CN116095301A

CN116095301A - Camera testing method and testing equipment

Info

Publication number: CN116095301A
Application number: CN202210976971.4A
Authority: CN
Inventors: 李钱; 周天一
Original assignee: Honor Device Co Ltd
Current assignee: Honor Device Co Ltd
Priority date: 2022-08-15
Filing date: 2022-08-15
Publication date: 2023-05-09
Anticipated expiration: 2042-08-15
Also published as: CN116095301B

Abstract

The application provides a camera testing method and testing equipment, and relates to the technical field of device testing. According to the camera testing method, the testing equipment controls the camera to shoot the light source based on the set exposure time when the light source is controlled to rotate for a preset angle once every preset time. Therefore, the time for manually placing the angle can be saved. In addition, the accuracy of the preset angle per rotation of the light source is high. Thus, the reliability of the first photo collection obtained by photographing recorded by the testing equipment is high. Further, the reliability of testing whether the camera in the preset photographing mode is qualified or not is also high in the intensity of the glare in each first photo.

Description

Camera testing method and testing equipment

Technical Field

The application relates to the technical field of device testing, in particular to a camera testing method and testing equipment.

Background

At present, after a camera of a terminal device shoots under sunlight or a point light source, a shot photo includes glare and the like, so that the shot photo has poor quality. One possible cause of the taken photograph including glare is a problem with the camera. Therefore, in order to ensure the quality of the photograph taken by the terminal device, the camera of the terminal device needs to be tested before the terminal device leaves the factory.

Currently, one way to test cameras is: the angle of the light source is manually rotated by a tester, and the camera is manually controlled to shoot pictures of the light source at different angles, so that the camera is tested according to the shot pictures. However, the above manual method results in low efficiency of the test and low reliability of the photographed picture, resulting in poor reliability of the final test result for the camera.

Disclosure of Invention

The application provides a camera testing method and testing equipment, which can automatically control a light source to rotate a preset angle every preset time length; and controlling the camera to shoot the light source based on the set exposure time length when the light source rotates once, so as to realize high-efficiency test, and the reliability of the obtained first photo set is high.

In a first aspect, the present application provides a camera testing method, applied to a testing device, where the testing device is disposed in a camera testing system, and the camera testing system further includes: light source and camera in the camera bellows, light source and camera set up relatively, and the method that this application provided includes: the testing equipment controls the light source to rotate by a preset angle every preset time length by taking the camera in a preset photographing mode as a circle center; the testing equipment controls the camera to shoot the light source based on the set exposure time length when the light source rotates once; when detecting that the cumulative rotation angle of the camera reaches an angle threshold, the test equipment records a first photo set obtained by photographing, wherein each first photo in the first photo set comprises glare generated during photographing; and the testing equipment tests whether the camera in the preset photographing mode is qualified or not according to the intensity of the glare in each first photo.

According to the camera testing method, the testing equipment controls the camera to shoot the light source based on the set exposure time when the light source is controlled to rotate for a preset angle once every preset time. Therefore, the time for manually placing the angle can be saved. In addition, the accuracy of the preset angle per rotation of the light source is high. Thus, the reliability of the first photo collection obtained by photographing recorded by the testing equipment is high. Further, the reliability of testing whether the camera in the preset photographing mode is qualified or not is also high in the intensity of the glare in each first photo.

In one possible embodiment, the preset photographing mode is a normal photographing mode.

Therefore, high-efficiency testing can be realized in the common photographing mode, and the reliability of the obtained first photo set is high.

In a possible implementation manner, the preset photographing mode is a professional photographing mode, and before the test device controls the light source to rotate by a preset angle every preset time length by taking the camera in the preset photographing mode as a circle center, the method provided by the application further comprises: the testing equipment searches for a first exposure time length in the visual field range of the camera, wherein the first exposure time length is as follows: the maximum exposure time length of the light source overexposure but the glare is not overexposed in the photo shot by the camera; the testing equipment searches for a second exposure time length outside the visual field range of the camera, wherein the second exposure time length is as follows: the maximum exposure time length for enabling the glare in the photo shot by the camera to be not overexposed; the test equipment controls the camera to shoot the light source based on the set exposure time length when the light source rotates once, and the test equipment comprises: when the light source is in the visual field range of the camera, the testing equipment controls the camera to shoot the light source based on the first exposure time length when the light source rotates once; when the light source is out of the visual field range of the camera, the testing equipment controls the camera to shoot the light source based on the second exposure time length when the light source rotates once.

Since the first exposure period is: the maximum exposure time length of the light source overexposure but the glare is not overexposed in the photo shot by the camera; the second exposure time period is as follows: and the maximum exposure time length of the glare in the photo shot by the camera is ensured. Therefore, no matter the light source is in the visual field range of the camera or out of the visual field range, the first photo without overexposure can be obtained, meanwhile, the high definition of the first photo is ensured, and the region with glare in the first photo can be displayed more clearly.

In one possible implementation, the test device searches for a first exposure duration within a field of view of the camera, including: the testing equipment controls the camera to shoot a plurality of second photos on the light source based on different exposure time lengths to obtain a second photo set, wherein each second photo comprises glare generated during shooting; the testing equipment determines second photos with overexposed light sources and unexposed glare in the second photo set; and the testing equipment determines the maximum exposure time length corresponding to each second photo with the overexposed light source and the non-overexposed glare as the first exposure time length.

In one possible implementation, if a neutral filter is configured in front of the light source, the test device controls the camera to take a plurality of second photos of the light source based on different exposure durations, including: the testing equipment controls the camera to shoot a plurality of second pictures on the light rays transmitted through the neutral filter by the light source based on different exposure time lengths.

When the light source is in the visual field of the camera, the light intensity emitted by the light source to the camera is strong, the neutral filter can weaken the light intensity emitted by the camera, the quality of the second photo photographed is improved, and meanwhile the brightness of the photo photographed in the visual field of the camera and the brightness of the photo photographed outside the visual field of the camera can be continuous.

In one possible implementation, the test device searches for a second exposure duration outside the field of view of the camera, including: the testing equipment determines the minimum angle of the light source leaving the visual field range of the camera; when the light source is at the minimum angle, the testing equipment controls the camera to shoot a plurality of third photos on the basis of different exposure time lengths to obtain a third photo set, wherein each third photo in the third photo set comprises glare generated during shooting; and when the third photo set contains all the third photos of the non-overexposed glare and all the third photos of the overexposed glare, the testing equipment determines that the maximum exposure time corresponding to all the third photos of the non-overexposed glare is the second exposure time.

In one possible embodiment, the test device determines a minimum angle at which the light source leaves the field of view of the camera, comprising: the testing equipment controls the light source to be positioned at the center of the camera and rotate a target angle, wherein the target angle is an included angle between the preconfigured light source and the visual field edge of the camera; the testing equipment controls the camera to photograph the light source to obtain a third photograph; the test device determines a minimum angle of the light source from the field of view of the camera when the glare is included in the third photograph but the light source is not included.

In one possible implementation, before the test device finds the first exposure time period within the field of view of the camera, the method further includes: the test equipment sets the sensitivity of the camera to a minimum value.

When the sensitivity of the camera is smaller, the signal-to-noise ratio of the photo shot by the camera is higher, and the noise of the shot photo can be reduced.

In one possible implementation manner, the testing device tests whether the camera in the preset photographing mode is qualified according to the intensity of the glare in each first photo, including: the testing equipment counts the number of first photos with the intensity of the glare larger than a set light intensity threshold value; when the number is larger than a set number threshold, testing that the cameras in a preset photographing mode are unqualified; and when the number is smaller than or equal to the set number threshold, testing that the cameras in the preset photographing mode are qualified.

Referring to fig. 15, the application further provides a camera testing device, which is applied to a testing device, wherein the testing device is arranged in a camera testing system, and the camera testing system further comprises: the camera is positioned in the camera bellows, and the light source and the camera are arranged oppositely. The device provided by the application comprises: the processing unit is used for controlling the light source to rotate by a preset angle every preset time length by taking the camera in a preset photographing mode as a circle center; the photographing unit is used for photographing the light source based on the set exposure time length when the light source rotates once; the storage unit is used for recording a first photo set obtained by photographing when the angle of the accumulated rotation of the camera reaches an angle threshold, wherein each first photo in the first photo set comprises glare generated during photographing; and the processing unit is also used for testing whether the camera in the preset photographing mode is qualified or not according to the intensity of the glare in each first photo.

In a third aspect, the present application provides a test apparatus comprising a processor and a memory for storing code instructions; the processor is configured to execute code instructions to cause the test apparatus to perform a camera test method as described in the first aspect or any implementation of the first aspect.

In a fourth aspect, the present application provides a computer readable storage medium storing instructions that, when executed, cause a computer to perform a camera testing method as described in the first aspect or any implementation of the first aspect.

In a fifth aspect, the present application provides a computer program product comprising a computer program which, when run, causes a computer to perform a camera testing method as described in the first aspect or any implementation of the first aspect.

It should be understood that, the second aspect to the fifth aspect of the present application correspond to the technical solutions of the first aspect of the present application, and the beneficial effects obtained by each aspect and the corresponding possible embodiments are similar, and are not repeated.

Drawings

FIG. 1 is a block diagram of a test apparatus according to an embodiment of the present application;

FIG. 2 is a block diagram of a test system according to an embodiment of the present application;

FIG. 3 is a schematic view of alignment of a light source with a cross-shaped identifier of a clamping device according to an embodiment of the present disclosure;

fig. 4 is a schematic diagram of alignment of a light source and a camera according to an embodiment of the present disclosure;

FIG. 5 is an interface schematic diagram of a first interface according to an embodiment of the present disclosure;

FIG. 6 is an interface schematic diagram of a second interface provided in an embodiment of the present application;

fig. 7 is one of flowcharts of a method for testing a camera according to an embodiment of the present application;

FIG. 8 is a schematic diagram for illustrating a rotation process of a light source according to an embodiment of the present disclosure;

FIG. 9 is a second flowchart of a method for testing a camera according to an embodiment of the present disclosure;

fig. 10 is a specific flowchart of S801 in fig. 9;

fig. 11 is a schematic diagram of a camera shooting a light source based on different exposure time periods when the light source provided in the embodiment of the present application is aligned with the shooting direction of the camera;

fig. 12 is a specific flowchart of S802 in fig. 9;

fig. 13 is a specific flowchart of S1201 in fig. 12;

FIG. 14 is a schematic view of a light source rotated to a target angle according to an embodiment of the present disclosure;

fig. 15 is a schematic diagram of a camera shooting a light source based on different exposure durations when the light source provided in the embodiment of the present application rotates to a target angle;

Fig. 16 is a functional block diagram of a camera testing device according to an embodiment of the present application;

fig. 17 is a schematic hardware structure of a test device according to an embodiment of the present application;

fig. 18 is a schematic structural diagram of a chip according to an embodiment of the present application.

Detailed Description

In order to clearly describe the technical solutions of the embodiments of the present application, in the embodiments of the present application, the words "first", "second", etc. are used to distinguish the same item or similar items having substantially the same function and effect. For example, the first value and the second value are merely for distinguishing between different values, and are not limited in their order. It will be appreciated by those of skill in the art that the words "first," "second," and the like do not limit the amount and order of execution, and that the words "first," "second," and the like do not necessarily differ.

In this application, the terms "exemplary" or "such as" are used to mean serving as an example, instance, or illustration. Any embodiment or design described herein as "exemplary" or "for example" should not be construed as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "such as" is intended to present related concepts in a concrete fashion.

In the present application, "at least one" means one or more, and "a plurality" means two or more. "and/or", describes an association relationship of an association object, and indicates that there may be three relationships, for example, a and/or B, and may indicate: a alone, a and B together, and B alone, wherein a, B may be singular or plural. The character "/" generally indicates that the context-dependent object is an "or" relationship. "at least one of" or the like means any combination of these items, including any combination of single item(s) or plural items(s). For example, at least one (one) of a, b, or c may represent: a, b, c, a-b, a-c, b-c, or a-b-c, wherein a, b, c may be single or plural.

After the camera of the terminal device shoots under sunlight or a point light source, the shot photo may include glare and the like, resulting in poor quality of the shot photo. Therefore, in order to ensure the quality of the photograph taken by the terminal device, the camera of the terminal device needs to be tested before the terminal device leaves the factory.

Currently, an angle of a light source is usually adjusted manually, and a camera shoots the light source at the angle after manual adjustment. The above manual mode results in low test efficiency and low reliability of the photographed picture, resulting in poor reliability of the final test result for the camera.

In view of this, the present application provides a camera testing method, where a testing device controls a camera to take a picture of a light source based on a set exposure time period when the camera controls the light source to rotate every preset angle once every preset time period. Therefore, the time for manually placing the angle can be saved. In addition, the accuracy of the preset angle per rotation of the light source is high. Thus, the reliability of the first photo collection obtained by photographing recorded by the testing equipment is high. Further, the reliability of testing whether the camera in the preset photographing mode is qualified or not is also high in the intensity of the glare in each first photo.

It will be appreciated that the device testing method described above may be applied to a terminal device and/or a server. The terminal device and/or the server can be understood as a test device. The server may be, but is not limited to, a web server, a database server, a cloud server, etc. The terminal device may be, but is not limited to, an office computer.

In addition, the camera may be a separate component or may be a component of the electronic device. The electronic device may be a mobile phone, a smart television, a wearable device, a tablet (Pad), a computer with wireless transceiving function, a Virtual Reality (VR) electronic device, an augmented reality (augmented reality, AR) electronic device, a wireless terminal in industrial control (industrial control), a wireless terminal in unmanned driving (self-driving), a wireless terminal in teleoperation (remote medical surgery), a wireless terminal in smart grid (smart grid), a wireless terminal in transportation security (transportation safety), a wireless terminal in smart city (smart city), a wireless terminal in smart home (smart home), and the like. The embodiment of the application does not limit the specific technology and the specific equipment form adopted by the electronic equipment.

Exemplary, fig. 1 is a schematic structural diagram of an electronic device according to an embodiment of the present application.

The electronic device may include a processor 110, an external memory interface 120, an internal memory 121, a universal serial bus (universal serial bus, USB) interface 130, a charge management module 140, a power management module 141, an antenna 1, an antenna 2, a mobile communication module 150, a wireless communication module 160, an audio module 170, a speaker 170A, a microphone 170B, a microphone 170C, a sensor module 180, keys 190, an indicator 192, a camera 193, a display 194, and the like. The sensor module 180 may include a pressure sensor 180A, a gyro sensor 180B, an air pressure sensor 180C, a magnetic sensor 180D, an acceleration sensor 180E, a distance sensor 180F, a proximity sensor 180G, a fingerprint sensor 180H, a temperature sensor 180J, a touch sensor 180K, an ambient light sensor 180L, a bone conduction sensor 180M, and the like.

Processor 110 may include one or more processing units. Wherein the different processing units may be separate devices or may be integrated in one or more processors. A memory may also be provided in the processor 110 for storing instructions and data.

It should be understood that the structures illustrated in the embodiments of the present application do not constitute a specific limitation on the electronic device. In other embodiments of the present application, the electronic device may include more or less components than illustrated, or certain components may be combined, or certain components may be split, or different arrangements of components. The illustrated components may be implemented in hardware, software, or a combination of software and hardware.

The following describes the technical solutions of the present application and how the technical solutions of the present application solve the above technical problems in detail with specific embodiments. The following embodiments may be implemented independently or combined with each other, and the same or similar concepts or processes may not be described in detail in some embodiments.

Technical term explanation of the present application:

glare: glare is intense light caused by reflection of outdoor glare on lenses and other surfaces, which has a certain effect on the eye and causes eye discomfort.

Hereinafter, a method for testing the camera 300 provided in the embodiment of the present application will be described with reference to fig. 2 to 15, and this example is not limited to the embodiment of the present application. The following embodiments may be combined with each other, and the same or similar concepts or processes will not be described again. The method for testing the camera 300 is applied to the testing device 100, and the testing device 100 is arranged in a testing system of the camera 300. As shown in fig. 2, the camera 300 test system further includes: the camera 300 and the light source 200 are arranged in the camera bellows 500, and the light source 200 is arranged opposite to the camera 300. It can be appreciated that the light source 200 and the camera 300 are disposed in the camera case 500, so that interference of external light on the test result can be avoided. The light source 200 may be disposed on a base, and the camera 300 may be clamped by a clamping device 400, and a cross-shaped mark is marked at the center of the clamping device 400.

It should be noted that, before implementing the method for testing the camera 300 provided in the embodiments of the present application, it is necessary to align the light source 200 with the cross-shaped mark of the clamping device 400 in advance, and detect whether the light spot of the light source 200 is hit on the cross-shaped mark. As shown in fig. 3, if the spot of the light source 200 does not hit the cross mark, the position of the light source 200 is adjusted so that the spot of the light source 200 hits the cross mark. Thus, as shown in fig. 4, when the camera 300 is mounted on the holding device 400, the photographing direction of the camera 300 can be aligned with the light source 200. Further, the position of the clamping device 400 may be further adjusted, so that the light spot of the light source 200 is hit on the camera 300, and the light source 200 is adjusted to center the image of the camera 300. And glare generated by photographing of the camera 300 is symmetrical with respect to imaging of the light source 200 on the camera 300. Thus, the shooting direction of the camera 300 can be aligned with the light source 200 more precisely.

In addition, the desktop of the test device 100 includes an icon of the light control application, and the test device 100 may display the first interface 101 in response to a trigger operation of the icon of the light control application. As shown in fig. 5, the user may set the color temperature, the brightness, the single rotation angle, and the maximum rotation angle of the light source 200 at the first interface 101. In addition, the desktop of the test device 100 further includes an icon of the full-automatic photographing application, and the test device 100 may display the second interface 102 in response to a trigger operation of the icon of the full-automatic photographing application. As shown in fig. 6, the user may set a lens module (e.g., a wide, ultra-wide, or telephoto lens) and a photographing mode (e.g., a normal photographing mode or a professional photographing mode) on the second interface 102.

Next, with reference to fig. 7, how to implement the method for testing the camera 300 provided in the embodiment of the present application when the set photographing mode is the normal photographing mode will be described. As shown in fig. 7, the method provided in the embodiment of the present application includes:

s701: the test apparatus 100 controls the light source 200 to rotate by a preset angle every preset time period with the camera 300 in the preset photographing mode as a center.

By way of example, the preset duration may be 500ms, 1s, 2s, etc., without limitation. The preset angle may be 1 degree, 2 degrees, 5 degrees, etc., and is not limited herein. As shown in fig. 8, the dotted line position in fig. 8 is a position where the light source 200 stays after every rotation of the preset angle.

S702: the test apparatus 100 controls the camera 300 to photograph the light source 200 based on the set exposure time period every time the light source 200 rotates.

It will be appreciated that the position of the light source 200 relative to the camera 300 and the intensity of the light received by the camera 300 from the light source 200 are different for each rotation of the light source 200. In this way, the test device 100 can take pictures of the light source 200 at different angles.

S703: when the testing device 100 detects that the angle of the cumulative rotation of the camera 300 reaches the angle threshold, a first photo set obtained by photographing is recorded. Wherein each first photograph in the first set of photographs includes glare produced when photographed.

In the embodiment of the present application, the angle threshold may be set to 90 degrees, and of course, the angle threshold may also be 60 degrees, 80 degrees, or the like, which is not limited herein. It can be appreciated that, if the testing device 100 detects that the angle of cumulative rotation of the camera 300 exceeds the angle threshold, the intensity of the light emitted by the light source 200 received by the camera 300 is weak, and the quality of the first shot is poor. Thus, when the angle of the cumulative rotation of the camera 300 is detected to reach the angle threshold, the rotation and photographing are stopped, so that the workload can be saved, and the first photo with low quality can be eliminated.

S704: the test apparatus 100 tests whether the camera 300 in the preset photographing mode is acceptable according to the intensity of the glare in each first photograph.

Illustratively, the test apparatus 100 counts the number of first photographs for which the intensity of the glare is greater than the set light intensity threshold; when the number is greater than the set number threshold, testing that the camera 300 in the preset photographing mode is failed; and when the number is smaller than or equal to the set number threshold, testing the cameras 300 in the preset photographing mode to be qualified.

Optionally, prior to S704, the test device 100 may convert each first photograph in the first set of photographs into a map graph, so that the test device 100 may more accurately identify the intensity of glare in each first photograph. The test apparatus 100 may also write the intensity of glare in each first photograph to an excel table for storage.

In summary, according to the method for testing the camera 300 provided in the embodiment of the present application, when the photographing mode is the normal photographing mode, the testing device 100 controls the camera 300 to photograph the light source 200 based on the set exposure time when the light source 200 is controlled to rotate once every preset time. Therefore, the time for manually placing the angle can be saved. In addition, the accuracy of the preset angle per rotation of the light source 200 is high. In this way, the reliability of the first photo collection obtained by photographing recorded by the test apparatus 100 is high. Further, the reliability of testing whether the camera 300 in the preset photographing mode is acceptable or not is also high in the intensity of the glare in each first photograph.

Alternatively, in the embodiment corresponding to fig. 7, the camera 300 may also be set in a professional photographing mode, which is not limited herein.

Next, in connection with fig. 9, how to implement the method for testing the camera 300 provided in the embodiment of the present application when the set photographing mode is the professional photographing mode is described. As shown in fig. 9, the method provided in the embodiment of the present application includes:

s801: the test apparatus 100 looks for a first exposure period within the field of view of the camera 300.

The first exposure time length is as follows: so that the light source 200 in the photograph taken by the camera 300 is overexposed but not dazzled for the maximum exposure time.

Illustratively, as shown in fig. 10, S801 may be embodied as:

s901: the test apparatus 100 controls the camera 300 to take a plurality of second photographs of the light source 200 based on different exposure durations, resulting in a second photograph set. Wherein each second photo comprises glare generated during photographing.

Illustratively, as shown in fig. 11, when the light source 200 is aligned with the shooting direction of the camera 300, the test apparatus 100 controls the camera 300 to take 10 second photos based on t1, t2, t3, t4, t5, t6, t7, t8, t9, t10 (i.e. 10 different exposure durations), respectively, to obtain a second photo set. The number of the second photos in the second photo set is not limited to 10, but may be 8, 12, etc., and is not limited herein.

In addition, when the light source 200 is within the field of view of the camera 300, a neutral filter is disposed in front of the light source 200, so that the test apparatus 100 controls the camera 300 to take a plurality of second photographs of the light rays transmitted through the neutral filter by the light source 200 based on different exposure durations.

It can be appreciated that when the light source 200 is within the field of view of the camera 300, the light intensity emitted from the light source 200 to the camera 300 is stronger, the neutral filter can weaken the light intensity emitted from the camera 300, and improve the quality of the second photo taken, and meanwhile, the brightness of the photo taken within the field of view of the camera 300 and outside the field of view of the camera 300 can be continuous.

S902: the test apparatus 100 determines each second photograph of the second set of photographs that is overexposed to the light source 200 but not overexposed to glare.

Illustratively, on the basis of the embodiment corresponding to S901, the test apparatus 100 detects whether or not there are 10 second photographs that are obtained by photographing, and if not, photographs that are overexposed by the light source 200 but not overexposed by the glare are photographed based on t11, t12, t13, t14, t15, t16, t17, t18, t19, and t20 (i.e., a new set of 10 different exposure durations), respectively, and then the process is circulated until it is determined that there are second photographs that are overexposed by the light source 200 but not overexposed by the glare.

In the second photograph set, it is necessary to determine each second photograph in which the light source 200 is overexposed but the glare is not overexposed, and it is necessary to determine the region of the light source 200 in each second photograph. Illustratively, the test apparatus 100 may obtain the diameter of the light source 200 in the first photograph according to the formula d=effl×d/L. Wherein, D is the diameter of the light source 200 itself, D is the diameter of the light source 200 in the first photo, and L is the distance from the camera 300 to the light source 200. Thus, given the location of the geometric center of the light source 200, the area of the light source 200 in each second photograph may be determined based on the diameter of the light source 200 in the first photograph.

S903: the test apparatus 100 determines a maximum exposure period corresponding to each second photo in which the light source 200 is overexposed but the flare is not overexposed as the first exposure period.

Since the first exposure period is: a maximum exposure time period for which the light source 200 in the photograph taken by the camera 300 is overexposed but not overexposed; in this way, when the light source 200 is within the field of view of the camera 300, the first photo without overexposure can be obtained, and meanwhile, the definition of the first photo is ensured to be high, so that the region with glare in the first photo can be displayed more clearly.

S802: the test apparatus 100 looks for a second exposure period outside the field of view of the camera 300. The second exposure time is as follows: so that the glare in the photograph taken by the camera 300 is not overexposed for the maximum exposure period.

Illustratively, as shown in fig. 12, S802 may be embodied as:

s1101: the test apparatus 100 determines the minimum angle at which the light source 200 leaves the field of view of the camera 300.

Illustratively, as shown in fig. 13, a specific implementation of S1201 may be:

s1201: the test device 100 controls the light source 200 to rotate by a target angle with the camera 300 as a center, wherein the target angle is an included angle between the preconfigured light source 200 and the view edge of the camera 300.

As shown in fig. 14, the angle θ is the angle between the light source 200 and the view edge of the camera 300. It will be appreciated that when the light source 200 is rotated by the angle θ, the glare is included in the third photograph but the light source 200 is not included.

S1202: the test apparatus 100 controls the camera 300 to take a picture of the light source 200, resulting in a third picture.

When the light source 200 is located at the camera 300 as the center of a circle, the camera 300 is controlled to take a picture of the light source 200 after the target angle is rotated, so as to obtain a third picture.

S1203: when the test apparatus 100 includes glare in the third photograph but does not include the light source 200, a minimum angle at which the light source 200 leaves the field of view of the camera 300 is determined.

Illustratively, the camera 300 determines whether glare is included in the third photograph but the light source 200 is not included, and if not, adjusts the position of the light source 200 until glare is included in the third photograph but the light source 200 is not included. At this time, the angle at which the light source 200 is cumulatively rotated is determined as the minimum angle at which the source leaves the field of view of the camera 300.

S1102: when the light source 200 is at the minimum angle, the testing device 100 controls the camera 300 to take a plurality of third photos on the light source 200 based on different exposure time periods, so as to obtain a third photo set, wherein each third photo in the third photo set comprises glare generated during photographing.

For example, as shown in fig. 15, when the light source 200 is aligned with the shooting direction of the camera 300, the test apparatus 100 controls the camera 300 to take 10 third photos based on t1, t2, t3, t4, t5, t6, t7, t8, t9, t10 (i.e. 10 different exposure durations), respectively, to obtain a third photo set. The number of the third photos in the third photo set is not limited to 10, but may be 8, 12, etc., and is not limited herein.

S1103: when the third photo set includes each third photo of the non-overexposed glare and each third photo of the overexposed glare, the test apparatus 100 determines a maximum exposure time period corresponding to each third photo of the non-overexposed glare as the second exposure time period.

Illustratively, on the basis of the embodiment corresponding to S1102, the test apparatus 100 detects whether 10 third photographs obtained by photographing exist, and if not, photographs of the light source 200 that are overexposed but not overexposed by glare are photographed based on t11, t12, t13, t14, t15, t16, t17, t18, t19, and t20 (i.e., a new set of 10 different exposure durations), respectively, and the process is repeated until it is determined that photographs of the light source 200 that are overexposed but not overexposed by glare exist.

Since the second exposure period is: so that the glare in the photograph taken by the camera 300 is not overexposed for the maximum exposure period. In this way, when the light source 200 is out of the visual field of the camera 300, the first photo without overexposure can be obtained, and meanwhile, the definition of the first photo is ensured to be high, and the region with glare in the first photo can be displayed more clearly.

S803: when the light source 200 is within the field of view of the camera 300, the test apparatus 100 controls the camera 300 to take a picture of the light source 200 based on the first exposure period every time the light source 200 rotates.

The principle of S803 is the same as that of S702 described above, and will not be described here.

When the light source 200 is within the field of view of the camera 300, a neutral filter is disposed in front of the light source 200, so that the test apparatus 100 controls the camera 300 to take a plurality of first photographs of the light rays transmitted through the neutral filter by the light source 200 based on different exposure periods. It can be appreciated that when the light source 200 is within the field of view of the camera 300, the light intensity emitted from the light source 200 to the camera 300 is stronger, the neutral filter can weaken the light intensity emitted from the camera 300, and improve the quality of the first photo taken, and meanwhile, the brightness of the photo taken within the field of view of the camera 300 and outside the field of view of the camera 300 can be continuous.

S804: when the light source 200 is out of the field of view of the camera 300, the test apparatus 100 controls the camera 300 to take a picture of the light source 200 based on the second exposure period every time the light source 200 rotates.

S805: when the testing device 100 detects that the angle of the cumulative rotation of the camera 300 reaches the angle threshold, a first photo set obtained by photographing is recorded. Wherein each first photograph in the first set of photographs includes glare produced when photographed.

The principle of S804 is the same as that of S702 described above, and will not be described here.

Note that, the method of S803-S804 may be replaced by:

when the test apparatus 100 is aligned with the photographing direction of the camera 300, the test apparatus 100 controls the camera 300 to photograph the light source 200 based on the first exposure period every time the light source 200 rotates. When detecting that the angle of cumulative rotation of the camera 300 reaches an angle threshold (for example, 90 degrees), the test device 100 records a photo set a obtained by photographing, wherein each photo in the photo set a includes glare generated during photographing.

When the test apparatus 100 is aligned with the photographing direction of the camera 300, the test apparatus 100 controls the camera 300 to photograph the light source 200 based on the second exposure period every time the light source 200 rotates. When detecting that the angle of cumulative rotation of the camera 300 reaches an angle threshold (e.g., 90 degrees), the test device 100 records a photo set B obtained by photographing, where each photo in the photo set B includes glare generated during photographing.

Thus, a first photo set is constructed by taking photos taken by the light source 200 in the camera 300 in the photo set a and taking photos taken by the light source 200 in the camera 300 out of the photo set B.

S806: the test apparatus 100 tests whether the camera 300 in the preset photographing mode is acceptable according to the intensity of the glare in each first photograph.

It should be noted that S806 is the same as the principle of S704 described above, and is not described here again.

It should be noted that, before S801 described above, the method provided in the embodiment of the present application may further include: the test apparatus 100 sets the sensitivity of the camera 300 to a minimum value. When the sensitivity of the camera 300 is smaller, the signal-to-noise ratio of the photograph taken by the camera 300 is higher, and the noise of the taken photograph can be reduced.

Referring to fig. 16, the present application further provides a camera testing device 1500, which is applied to a testing apparatus, wherein the testing apparatus is disposed in a camera testing system, and the camera testing system further includes: the camera is positioned in the camera bellows, and the light source and the camera are arranged oppositely. The apparatus 1500 provided herein includes: the processing unit 1501 is configured to control the light source to rotate by a preset angle every preset duration with the camera in the preset photographing mode as a center. A photographing unit 1502 for photographing the light source based on a set exposure time length every time the light source rotates once; the storage unit 1503 is configured to record a first photo set obtained by photographing when it is detected that an angle of cumulative rotation of the camera reaches an angle threshold, where each first photo in the first photo set includes glare generated during photographing; the processing unit 1501 is further configured to test whether the camera in the preset photographing mode is qualified according to the intensity of the glare in each first photograph.

In a possible implementation manner, the preset photographing mode is a professional photographing mode, and the processing unit 1501 is further configured to find a first exposure duration within a field of view of the camera, where the first exposure duration is: the maximum exposure time length of the light source overexposure but the glare is not overexposed in the photo shot by the camera; searching a second exposure time length outside the visual field range of the camera, wherein the second exposure time length is as follows: and the maximum exposure time length of the glare in the photo shot by the camera is ensured.

The photographing unit 1502 is specifically configured to photograph the light source based on the first exposure duration every time the light source rotates when the light source is within the field of view of the camera; and photographing the light source based on the second exposure time period every time the light source rotates once when the light source is out of the visual field range of the camera.

In a possible implementation manner, the photographing unit 1502 is further configured to photograph a plurality of second photographs of the light source based on different exposure durations, so as to obtain a second photograph set, where each second photograph includes glare generated during photographing; the processing unit 1501 is further configured to determine each second photograph in the second photograph set that is overexposed by the light source but is not overexposed by the glare; and the testing equipment determines the maximum exposure time length corresponding to each second photo with the overexposed light source and the non-overexposed glare as the first exposure time length.

In a possible implementation manner, a neutral filter is configured in front of the light source, and the photographing unit 1502 is specifically configured to control the camera to take a plurality of second photographs of the light rays transmitted through the neutral filter by the light source based on different exposure durations.

In a possible embodiment, the processing unit 1501 is specifically configured to determine the minimum angle at which the light source leaves the field of view of the camera. When the light source is at the minimum angle, the photographing unit 1502 is configured to photograph a plurality of third photographs of the light source based on different exposure durations, to obtain a third photograph set, where each third photograph in the third photograph set includes glare generated during photographing; the processing unit 1501 is further configured to determine, when the third photo set includes each third photo of the non-overexposed glare and each third photo of the overexposed glare, that a maximum exposure time period corresponding to each third photo of the non-overexposed glare is the second exposure time period.

In a possible implementation manner, the processing unit 1501 is specifically configured to control the light source to rotate by a target angle with the camera as a center, where the target angle is an included angle between the preconfigured light source and a view edge of the camera. The photographing unit 1502 is specifically configured to photograph the light source to obtain a third photograph. The processing unit 1501 is further configured to determine, when glare is included in the third photograph but no light source is included, a minimum angle at which the light source leaves the field of view of the camera.

In a possible implementation, the processing unit 1501 is further configured to set the sensitivity of the camera to a minimum value.

In a possible implementation manner, the processing unit 1501 is specifically configured to count the number of first photos whose intensity of the glare is greater than the set light intensity threshold; when the number is larger than a set number threshold, testing that the cameras in a preset photographing mode are unqualified; and when the number is smaller than or equal to the set number threshold, testing that the cameras in the preset photographing mode are qualified.

Fig. 17 is a schematic hardware structure of a test apparatus according to an embodiment of the present application, and as shown in fig. 17, the test apparatus includes a processor 1601, a communication line 1604 and at least one communication interface (illustrated in fig. 17 by taking a communication interface 1603 as an example).

The processor 1601 may be a general purpose central processing unit (central processing unit, CPU), microprocessor, application Specific Integrated Circuit (ASIC), or one or more integrated circuits for controlling the execution of the programs of the present application.

Communication line 1604 may include circuitry for communicating information between the components described above.

Communication interface 1603, using any transceiver-like device, is used to communicate with other devices or communication networks, such as ethernet, wireless local area network (wireless local area networks, WLAN), etc.

Possibly, the test device may further comprise a memory 1602.

Memory 1602 may be, but is not limited to, read-only memory (ROM) or other type of static storage device that can store static information and instructions, random access memory (random access memory, RAM) or other type of dynamic storage device that can store information and instructions, as well as electrically erasable programmable read-only memory (EEPROM), compact disc-read only memory (compact disc read-only memory) or other optical disk storage, optical disk storage (including compact disc, laser disc, optical disc, digital versatile disc, blu-ray disc, etc.), magnetic disk storage media or other magnetic storage devices, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer. The memory may be self-contained and coupled to the processor via communication line 1604. The memory may also be integrated with the processor.

The memory 1602 is used for storing computer-executable instructions for executing the embodiments of the present application, and is controlled by the processor 1601. The processor 1601 is configured to execute computer-executable instructions stored in the memory 1602, thereby implementing the camera testing method provided in the embodiments of the present application.

Possibly, the computer-executed instructions in the embodiments of the present application may also be referred to as application program code, which is not specifically limited in the embodiments of the present application.

In a particular implementation, as one embodiment, the processor 1601 may include one or more CPUs, such as CPU0 and CPU1 in fig. 17.

In a particular implementation, as one embodiment, the test device may include multiple processors, such as processor 1601 and processor 1605 in fig. 16. Each of these processors may be a single-core (single-CPU) processor or may be a multi-core (multi-CPU) processor. A processor herein may refer to one or more devices, circuits, and/or processing cores for processing data (e.g., computer program instructions).

Fig. 18 is a schematic structural diagram of a chip according to an embodiment of the present application. Chip 170 includes one or more (including two) processors 1710 and communication interfaces 1730.

In some implementations, memory 1740 stores the following elements: executable modules or data structures, or a subset thereof, or an extended set thereof.

In an embodiment of the application, memory 1740 may include read-only memory and random access memory and provides instructions and data to processor 1710. A portion of memory 1740 may also include non-volatile random access memory (non-volatile random access memory, NVRAM).

In the present embodiment, memory 1740, communication interface 1730, and memory 1740 are coupled together by bus system 1720. The bus system 1720 may include a power bus, a control bus, a status signal bus, and the like in addition to a data bus. For ease of description, the various buses are labeled as a bus system 1720 in FIG. 17.

The methods described in the embodiments of the present application may be applied to the processor 1710 or implemented by the processor 1710. The processor 1710 may be an integrated circuit chip with signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuitry in hardware in the processor 1710 or instructions in software. The processor 1710 may be a general purpose processor (e.g., a microprocessor or a conventional processor), a digital signal processor (digital signal processing, DSP), an application specific integrated circuit (application specific integrated circuit, ASIC), an off-the-shelf programmable gate array (field-programmable gate array, FPGA) or other programmable logic device, discrete gates, transistor logic, or discrete hardware components, and the processor 1710 may implement or perform the methods, steps, and logic blocks disclosed in embodiments of the present application.

The steps of a method disclosed in connection with the embodiments of the present application may be embodied directly in hardware, in a decoded processor, or in a combination of hardware and software modules in a decoded processor. The software modules may be located in a state-of-the-art storage medium such as random access memory, read-only memory, programmable read-only memory, or charged erasable programmable memory (electrically erasable programmable read only memory, EEPROM). The storage medium is located in memory 1740 and processor 1710 reads information from memory 1740 and performs the steps of the method described above in conjunction with its hardware.

In the above embodiments, the instructions stored by the memory for execution by the processor may be implemented in the form of a computer program product. The computer program product may be written in the memory in advance, or may be downloaded in the form of software and installed in the memory.

The computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, the processes or functions in accordance with embodiments of the present application are produced in whole or in part. The computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable apparatus. The computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be transmitted from one website, computer, server, or data center to another website, computer, server, or data center by wired (e.g., coaxial cable, fiber optic, digital subscriber line (digital subscriber line, DSL), or wireless (e.g., infrared, wireless, microwave, etc.), or semiconductor medium (e.g., solid state disk, SSD)) or the like.

Embodiments of the present application also provide a computer-readable storage medium. The methods described in the above embodiments may be implemented in whole or in part by software, hardware, firmware, or any combination thereof. Computer readable media can include computer storage media and communication media and can include any medium that can transfer a computer program from one place to another. The storage media may be any target media that is accessible by a computer.

As one possible design, the computer-readable medium may include compact disk read-only memory (CD-ROM), RAM, ROM, EEPROM, or other optical disk memory; the computer readable medium may include disk storage or other disk storage devices. Moreover, any connection is properly termed a computer-readable medium. For example, if the software is transmitted from a website, server, or other remote source using a coaxial cable, fiber optic cable, twisted pair, DSL, or wireless technologies such as infrared, radio, and microwave, then the coaxial cable, fiber optic cable, twisted pair, DSL, or wireless technologies such as infrared, radio, and microwave are included in the definition of medium. Disk and disc, as used herein, includes Compact Disc (CD), laser disc, optical disc, digital versatile disc (digital versatile disc, DVD), floppy disk and blu-ray disc where disks usually reproduce data magnetically, while discs reproduce data optically with lasers.

Combinations of the above should also be included within the scope of computer-readable media. The foregoing is merely specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the present application, and the changes or substitutions are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. The camera testing method is characterized by being applied to testing equipment, wherein the testing equipment is arranged in a camera testing system, and the camera testing system further comprises: the camera is positioned in the camera, and the light source and the camera are arranged oppositely, and the method comprises the following steps:

the testing equipment controls the light source to rotate by a preset angle every preset time length by taking the camera in a preset photographing mode as a circle center;

the testing equipment controls the camera to shoot the light source based on the set exposure time length when the light source rotates once;

when the testing equipment detects that the accumulated rotation angle of the camera reaches an angle threshold, recording a first photo set obtained by photographing, wherein each first photo in the first photo set comprises glare generated during photographing;

And the testing equipment tests whether the camera in the preset photographing mode is qualified or not according to the intensity of the glare in each first photo.

2. The method of claim 1, wherein the predetermined photographing mode is a normal photographing mode.

3. The method of claim 1, wherein the predetermined photographing mode is a professional photographing mode, and the method further comprises, before the test device controls the light source to rotate by a predetermined angle every predetermined time period with respect to the camera in the predetermined photographing mode as a center of a circle:

the testing equipment searches for a first exposure time length in the visual field range of the camera, wherein the first exposure time length is as follows: the maximum exposure time length of the light source overexposure but the glare is not overexposed in the photo shot by the camera;

the testing equipment searches for a second exposure time length outside the visual field range of the camera, wherein the second exposure time length is as follows: the maximum exposure time length of the glare in the photo shot by the camera is not overexposed;

the test equipment controls the camera to shoot the light source based on the set exposure time length when the light source rotates once, and the test equipment comprises the following steps:

When the light source is in the visual field range of the camera, the testing equipment controls the camera to shoot the light source based on the first exposure time length when the light source rotates once;

when the light source is out of the visual field range of the camera, the testing equipment controls the camera to shoot the light source based on the second exposure time length when the light source rotates once.

4. A method according to claim 3, wherein the test device seeking a first exposure time period within the field of view of the camera comprises:

the testing equipment controls the camera to shoot a plurality of second photos on the light source based on different exposure time lengths to obtain a second photo set, wherein each second photo comprises glare generated during shooting;

the testing equipment determines second photos in the second photo set, wherein the light source is overexposed but the glare is not overexposed;

and the testing equipment determines the maximum exposure time length corresponding to each second photo which is overexposed by the light source and not overexposed by the glare as the first exposure time length.

5. The method of claim 4, wherein the testing device controls the camera to take a plurality of second pictures of the light source based on different exposure durations if a neutral filter is disposed in front of the light source, comprising:

The testing equipment controls the camera to shoot a plurality of second pictures on the light rays of the light source penetrating through the neutral filter based on different exposure time lengths.

6. A method according to claim 3, wherein the test device seeking a second exposure period outside the field of view of the camera comprises:

the testing equipment determines the minimum angle of the light source leaving the visual field range of the camera;

when the light source is at the minimum angle, the testing equipment controls the camera to shoot a plurality of third photos on the light source based on different exposure time lengths to obtain a third photo set, wherein each third photo in the third photo set comprises glare generated during shooting;

and when the third photo set contains all the third photos of the non-overexposed glare and all the third photos of the overexposed glare, the testing equipment determines that the maximum exposure time corresponding to all the third photos of the non-overexposed glare is the second exposure time.

7. A method according to claim 3, wherein the testing device determining a minimum angle at which the light source leaves the field of view of the camera comprises:

The testing equipment controls the light source to be positioned at the center of the camera and rotate a target angle, wherein the target angle is an included angle between a preconfigured light source and the view field edge of the camera;

the testing equipment controls the camera to shoot the light source to obtain a third photo;

the test device determines a minimum angle at which the light source leaves the field of view of the camera when glare is included in the third photograph but the light source is not included.

8. The method of any of claims 3-7, wherein the test device looks for a first exposure period within the field of view of the camera, the method further comprising:

the test equipment sets the sensitivity of the camera to be the minimum value.

9. The method according to claim 1, wherein the testing device tests whether the camera in the preset photographing mode is acceptable according to the intensity of the glare in each first photograph, including:

the test equipment counts the number of first photos with the intensity of the glare larger than a set light intensity threshold value;

when the number is larger than a set number threshold, testing that the cameras in the preset photographing mode are unqualified;

And when the number is smaller than or equal to a set number threshold, testing that the cameras in the preset photographing mode are qualified.

10. A test device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, characterized in that the processor, when executing the computer program, causes the test device to perform the method according to any one of claims 1 to 9.

11. A computer readable storage medium storing a computer program, which when executed by a processor causes a computer to perform the method of any one of claims 1 to 9.

12. A computer program product comprising a computer program which, when run, causes a computer to perform the method of any one of claims 1 to 9.