CN105867047A - Flashlight adjusting method and shooting device - Google Patents
Flashlight adjusting method and shooting device Download PDFInfo
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- CN105867047A CN105867047A CN201610328959.7A CN201610328959A CN105867047A CN 105867047 A CN105867047 A CN 105867047A CN 201610328959 A CN201610328959 A CN 201610328959A CN 105867047 A CN105867047 A CN 105867047A
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- 238000000034 method Methods 0.000 title claims abstract description 36
- 230000006870 function Effects 0.000 description 48
- 238000011156 evaluation Methods 0.000 description 34
- 230000008569 process Effects 0.000 description 6
- 238000004891 communication Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 3
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- 238000011161 development Methods 0.000 description 1
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
- G03B15/02—Illuminating scene
- G03B15/03—Combinations of cameras with lighting apparatus; Flash units
- G03B15/05—Combinations of cameras with electronic flash apparatus; Electronic flash units
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/74—Circuitry for compensating brightness variation in the scene by influencing the scene brightness using illuminating means
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Abstract
The invention discloses a flashlight adjusting method and a shooting device. Shooting is conducted by selecting a preflashing mode or a main flashing mode according to the distance between a lens and a target object to be shot, that is to say, the brightness of a flashlight is dynamically adjusted according the distance between the lens and the target object without needing to adopt a flashlight driving device with currents adjustable, and therefore the cost can be reduced while the shooting quality is guaranteed.
Description
Technical Field
The embodiment of the invention relates to the technical field of optics and camera shooting, in particular to a flash lamp adjusting method and a shooting device based on the method.
Background
In a photographing device such as a digital camera, a flash is a photographing photosensitive element, and is often used for instantaneous illumination in a dark place and also for local light supplement for a photographed target in a bright place. In order to ensure a good effect of shooting a long shot in a dark place, the shooting device generally adjusts the brightness of the flash lamp to be higher in the debugging stage. However, when a person image is photographed at a short distance, the brightness of the flash lamp is high and cannot be freely adjusted, so that the stimulation to the eyes is large, the eyes of the person to be photographed are uncomfortable, the eyes are closed or squinted during photographing, the user experience effect is poor, and the photographing quality is poor.
In order to improve the above problems, the prior art dynamically adjusts the brightness of the flash lamp by adjusting the driving current or power of the flash lamp, but this requires that the driving device of the flash lamp can support the dynamic adjustment of the current or power of the flash lamp, which increases the development and production costs.
Disclosure of Invention
In view of this, embodiments of the present invention provide a method for adjusting a flash and a shooting device, which can dynamically adjust the brightness of the flash, thereby reducing the cost while ensuring the shooting quality.
The method for adjusting the flash lamp provided by the embodiment of the invention comprises the following steps: acquiring the current distance between a lens of a shooting device and a target object to be shot; comparing the current distance with a preset distance threshold; and triggering the shooting device to shoot according to the comparison result, so that the flash lamp of the shooting device selects one of the pre-flash mode and the main flash mode to shoot the target object.
Optionally, the step of triggering the shooting device to shoot according to the comparison result, so that the flash lamp of the shooting device selects one of the pre-flash mode and the main flash mode to shoot the target object comprises: if the current distance is smaller than a preset distance threshold, the flash lamp selects a pre-flash mode to shoot the target object; and if the current distance is greater than or equal to the preset distance threshold, the flash lamp selects a main flash mode to shoot the target object.
Optionally, the method further comprises: acquiring the current ambient brightness of a target object; comparing the current ambient brightness with the brightness corresponding to the pre-flash mode; and when the current ambient brightness is smaller than the brightness corresponding to the pre-flashing mode, triggering the shooting device to shoot according to the comparison result, so that a flash lamp of the shooting device selects one of the pre-flashing mode and the main flashing mode to shoot the target object.
Optionally, the step of obtaining the current ambient brightness of the target object includes: acquiring the current ambient brightness of a target object through a light sensing element arranged at a lens of a shooting device; or acquiring a current image of the target object, wherein the current image is an image obtained by shooting in any one of a pre-flash mode and a main flash mode which is not started; the current image is analyzed to obtain the current ambient brightness of the target object.
Optionally, the step of setting an analog focusing system and a digital focusing system in the shooting device, and selecting one of a pre-flash mode and a main flash mode to shoot the target object by a flash of the shooting device includes: and at least one of an analog focusing system and a digital focusing system is adopted for focusing shooting.
The embodiment of the invention provides a shooting device, which comprises a distance acquisition module, a distance comparison module and a shooting module, wherein the distance acquisition module is used for acquiring the current distance between the shooting module of the shooting device and a target object to be shot; the distance comparison module is used for comparing the current distance with a preset distance threshold; the shooting module is used for selecting one shooting target object from the pre-flash mode and the main flash mode according to the comparison result of the distance comparison module.
Optionally, if the current distance is smaller than a preset distance threshold, the shooting module selects a pre-flash mode to shoot the target object; and if the current distance is greater than or equal to the preset distance threshold, the shooting module selects the main flash mode to shoot the target object.
Optionally, the shooting device further includes a brightness obtaining module and a brightness comparing module, the brightness obtaining module is configured to obtain a current ambient brightness of the target object, the brightness comparing module is configured to compare the current ambient brightness with a brightness corresponding to the pre-flashing mode, and when the current ambient brightness is smaller than the brightness corresponding to the pre-flashing mode, the shooting module selects one of the pre-flashing mode and the main flashing mode to shoot the target object according to a comparison result of the distance comparing module.
Optionally, the brightness acquiring module is configured to analyze a current image of the target object to acquire a current ambient brightness of the target object, where the current image is an image captured in any one of the pre-flash mode and the main flash mode.
Optionally, the shooting module focuses the shooting target by using at least one of an analog focusing system and a digital focusing system.
According to the adjusting method of the flash lamp and the shooting device, one of the pre-flash mode and the main flash mode is selected for shooting by utilizing the distance between the lens and the target object, namely, the brightness of the flash lamp is dynamically adjusted according to the distance between the lens and the target object, a driving device of the flash lamp with adjustable current or power is not needed, and therefore the cost can be reduced while the shooting quality is ensured.
Drawings
FIG. 1 is a schematic flow chart illustrating an embodiment of a method for adjusting a flash lamp according to the present invention;
FIG. 2 is a schematic flow chart illustrating an adjusting method of a flash lamp according to another embodiment of the present invention;
FIG. 3 is a diagram illustrating an embodiment of a sharpness function curve in an auto-focusing method according to the present invention;
FIG. 4 is a schematic block diagram of an embodiment of a camera of the present invention;
fig. 5 is a schematic diagram of a hardware structure of an embodiment of the image capturing apparatus according to the present invention.
Detailed Description
The technical solutions of the exemplary embodiments provided in the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
Fig. 1 is a schematic flowchart of an embodiment of a method for adjusting a flash lamp according to the present invention. Referring to fig. 1, the method for adjusting a flash lamp of the present embodiment includes:
s11: acquiring the current distance between a lens of a shooting device and a target object to be shot;
the embodiment of the present invention is not limited to the manner of acquiring the current distance, and for example, a distance meter based on an infrared distance measurement method may be adopted, specifically, infrared light emitted from a position where the lens is located is emitted and then received by the target object to be photographed, and round-trip time of the infrared light is recorded, and then according to a displacement formula s ═ v × t (where s represents twice of the current distance, v represents an infrared light speed, and t represents round-trip time), a current distance between the lens of the photographing device and the target object may be obtained as half of a product of the infrared light speed and the round-trip time, that is, s/2.
S12: comparing the current distance with a preset distance threshold;
s13: and triggering the shooting device to shoot according to the comparison result, so that the flash lamp of the shooting device selects one of the pre-flash mode and the main flash mode to shoot the target object.
The prior flash lamp has two driving modes of pre-flash and main flash. The pre-flash mode is also called a normally bright mode, that is, the flash lamp has a longer light-emitting time in the shooting process and can be set according to the shooting requirements, and the brightness (also called illuminance) of the flash lamp is lower in the pre-flash mode, so that the functions of AE (automatic exposure), AF (Auto Focus), AWB (automatic white balance), and the like can be realized; the flash lamp in the main flash mode has short light emitting time but high brightness, and is used for completing a light supplementing function in the final shooting.
The preset distance threshold is a judgment standard for judging whether a flash lamp of the shooting device selects a pre-flash mode or a main flash mode to shoot the target object.
In the embodiment of the invention, if the current distance is smaller than the preset distance threshold, the flash lamp selects the pre-flash mode to shoot the target object. At this time, although the brightness of the flash is low, the brightness of the position where the target is located is high because the target is close to the photographing device, and therefore the photographing device can still take a picture with good brightness.
And if the current distance is greater than or equal to the preset distance threshold, the flash lamp selects a main flash mode to shoot the target object. At this time, although the brightness of the flash lamp is high, because the distance between the target object and the flash lamp is long, the brightness of the position where the target object is located is not too high, and the light supplement effect is good, the shooting device can still take a picture with good brightness.
No matter the flash light selects the pre-flash mode or selects the main flash mode to shoot, when the target object is a person, because the brightness of the flash light is low, the stimulation to the eyes of the person is small, the probability that the eyes of the person are closed and squinted when shooting can be reduced, and therefore the user experience effect and the shooting quality are improved.
As can be seen from the above description, in the embodiment of the present invention, one of the pre-flash mode and the main flash mode is selected to perform shooting by using the distance between the lens and the target object to be shot, that is, the brightness of the flash lamp is dynamically adjusted according to the distance between the lens and the target object, and a driving device of the flash lamp with adjustable current or power is not required, so that the cost can be reduced while the shooting quality is ensured.
Fig. 2 is a schematic flowchart of another embodiment of the adjusting method of the flash lamp according to the present invention. Referring to fig. 2, the method for adjusting a flash lamp of the present embodiment includes:
s21: acquiring the current ambient brightness of a target object;
the method for acquiring the current ambient brightness of the target includes, but is not limited to: acquiring the current ambient brightness of a target object through a light sensing element arranged at a lens of a shooting device; the method comprises the steps of collecting a current image of a target object, and analyzing the current image to obtain the current ambient brightness of the target object, wherein the current image is an image obtained by shooting in any one of a pre-flash mode and a main flash mode.
S22: judging whether the current environment brightness is smaller than the brightness corresponding to the pre-flashing mode;
if the current ambient brightness is greater than or equal to the brightness corresponding to the pre-flash mode, indicating that the ambient brightness to be shot by the shooting device meets the requirement, and the flash lamp does not need to be started, executing step S23; if the current ambient brightness is less than the brightness corresponding to the pre-flash mode, the steps S24-S26 are performed.
S23: the flash lamp is not required to be started;
s24: acquiring the current distance between a lens of a shooting device and a target object to be shot;
s25: comparing the current distance with a preset distance threshold;
s26: and triggering the shooting device to shoot according to the comparison result, so that the flash lamp of the shooting device selects one of the pre-flash mode and the main flash mode to shoot the target object.
On the basis of the embodiment shown in fig. 1, the present embodiment collects the current ambient brightness of the target object and is mainly suitable for shooting in a dark place. It should be understood that, in other embodiments, even if the current ambient brightness is greater than or equal to the brightness corresponding to the pre-flash mode, steps S24 to S26 may be performed to fill light locally to the photographed object when the light is bright.
The shooting device provided by the embodiment of the invention can adopt an automatic focusing mode, and is realized on the premise that an analog focusing system and a digital focusing system are arranged in the shooting device. The analog focusing is to perform high-frequency analog filtering on the image signal, select high-frequency components to calculate and construct a definition evaluation value function, and the analog focusing system adopts a high-frequency filter to filter low-frequency components and take out the high-frequency components during shooting or photographing, and only a full-screen focusing window is used during focusing, so that only the whole screen can be focused. The digital focusing is to carry out high-frequency and low-frequency digital filtering on signals of an image, select a high-frequency component and a low-frequency component to calculate and construct a definition evaluation value function, a high-frequency filter and a low-frequency filter are adopted in a digital focusing system, the number of the high frequency and the low frequency is judged during shooting or photographing, the highest point of the high-frequency numerical value and the low-frequency numerical value is taken, two focusing windows are arranged during focusing, one focusing window is a full-screen focusing window, and the other focusing window is a smaller focusing window in the middle of the full-screen focusing window, and the size of the focusing window can be set through software. The difference between the two is the sharpness evaluation function, which is: when the shooting device shoots or takes a picture of the zoom lens, the high-frequency and low-frequency component values corresponding to all focusing positions form a function curve, a relative maximum peak value exists on the function curve, the focusing position corresponding to the maximum peak value is the focus of the shooting device, and the function curve is a definition evaluation function curve.
The principle of focusing shooting by adopting one of an analog focusing system and a digital focusing system is as follows:
during shooting, a plurality of frames of images with different definition are obtained by means of shooting one image at each step by moving the automatic focusing lens forward or backward (namely continuous focusing) at equal intervals, and the quality of the plurality of frames of images goes through the process from blurring to clearness and then blurring.
Then, analyzing and calculating the acquired multi-frame image to obtain an image signal of the image, performing digital filtering on the image signal to obtain a high-frequency component in the image signal, calculating a definition evaluation value corresponding to the high-frequency component by combining an algorithm, and selecting a proper definition evaluation function to obtain a digital definition evaluation function curve. On the other hand, analog filtering can be performed on the image signal to obtain a high-frequency component and a low-frequency component in the image signal, a definition evaluation value corresponding to the high-frequency component and the low-frequency component is calculated by combining an algorithm, and an analog definition evaluation function curve is obtained by selecting a proper definition evaluation function.
Since the quality of the image goes through the process from blur to sharpness and then to blur, the adopted sharpness evaluation function should exhibit a change law which decreases from small to large. At least a first peak value in the digital sharpness evaluation function curve and a second peak value of the analog sharpness evaluation function curve are obtained according to the sharpness evaluation function. Wherein, according to the focusing requirement, a plurality of first peak values can be selected. And if the second peak value is positioned in the frequency band where the first peak value is positioned, namely the image definition of the frequency band is the maximum, taking the frequency band as a focusing target to carry out focusing. If the second peak value is not in the frequency band of the first peak value, the first peak value is reselected from the digital definition evaluation function curve, and the second peak value is reselected from the analog definition evaluation function curve until the selected second peak value is in the frequency band of the first peak value; and if the first peak value and the second peak value are not in the same frequency band until the selection is finished, focusing by taking the frequency band in which the second peak value is positioned as a focusing target.
Specifically, when photographing or shooting, a digital sharpness function curve of an image is obtained by taking an appropriate sharpness evaluation function. Fig. 3 is a schematic diagram of an embodiment of a sharpness function curve in an embodiment of the auto-focusing method of the present invention, as shown in fig. 3, a horizontal coordinate axis x is an image sequence corresponding to a position of an auto-focusing lens, a vertical coordinate axis y is a sharpness value, L1 is a digital sharpness evaluation function curve, and L2 is an analog sharpness evaluation function curve. Since the quality of the image goes through the process from blur to sharpness and then to blur, the adopted sharpness evaluation function should exhibit a change law which decreases from small to large. However, due to inevitable manual operations during focusing, the digital sharpness function curve L1 and the analog sharpness evaluation function curve L2 are not strictly smooth, single-peaked curves, which may have a plurality of false peaks.
In the focusing process, along with the stage that an image is blurred to be clear, a first peak value a appears on a digital definition evaluation function curve L1, the position of an automatic focusing lens is x1 at the moment, a peak value does not appear on the position x1 of an analog definition evaluation function curve L2, namely the frequency band where the second peak value is not located at the first peak value, the first peak value needs to be selected again from the digital definition evaluation function curve at the moment, and the second peak value needs to be selected again from the analog definition evaluation function curve at the moment.
The first peak b appears on the x2 corresponding to the digital sharpness evaluation function curve L1, and the second peak c appears on the analog sharpness evaluation function curve L2 at the x2 position. And judging that the x2 frequency band is a focusing frequency band, and further controlling the movement of the automatic focusing lens to focus to finish focusing.
The automatic focusing method of the embodiment combines digital focusing and analog focusing, only a frequency band where the second peak value is located at the first peak value needs to be found in the focusing process, all digital definition function curves and analog definition function curves do not need to be obtained, the calculation amount is small, the time for using the method is shorter than that for using digital focusing or analog focusing singly, and the focusing target is accurate.
In this embodiment, it is preferable that the selected appropriate sharpness evaluation function has a small calculation amount and can reflect the overall characteristics of the image, and there are two kinds of existing sharpness evaluation functions: the space domain definition evaluation function and the frequency domain definition evaluation function have relatively small calculation amount based on the space domain definition evaluation function, but have poor noise immunity. The definition evaluation function based on the frequency domain utilizes the overall characteristics of the image, so that focusing is accurate but the calculated amount is large. The sharpness evaluation function in this embodiment is preferably any one of an energy gradient function, a variance function, an entropy function, and a square gradient function.
In this embodiment, the analog focusing system and the digital focusing system are used for focusing at the same time, but in other embodiments of the present invention, any one of the analog focusing system and the digital focusing system may be used for focusing.
The embodiment of the present invention further provides a shooting device 40 as shown in fig. 4, including a distance obtaining module 41, a distance comparing module 42, and a shooting module 43, where:
a distance obtaining module 41, configured to obtain a current distance between a shooting module of the shooting device and a target object to be shot;
a distance comparison module 42, configured to compare the current distance with a preset distance threshold;
and a shooting module 43 for selecting one of the pre-flash mode and the main flash mode to shoot the target object according to the comparison result of the distance comparison module 42. If the current distance is smaller than the preset distance threshold, the shooting module 43 selects the pre-flash mode to shoot the target object; if the current distance is greater than or equal to the preset distance threshold, the shooting module 43 selects the main flash mode to shoot the target object.
Optionally, the shooting device further includes a brightness obtaining module 44 and a brightness comparing module 45, where the brightness obtaining module 44 is configured to obtain a current ambient brightness of the target object, the brightness comparing module 45 is configured to compare the current ambient brightness with a brightness corresponding to the pre-flash mode, and when the current ambient brightness is smaller than the brightness corresponding to the pre-flash mode, the shooting module 43 selects one of the pre-flash mode and the main flash mode to shoot the target object according to a comparison result of the distance comparing module 42.
Optionally, the brightness acquiring module 44 is configured to analyze a current image of the target object to acquire a current ambient brightness of the target object, where the current image is an image captured without any one of the pre-flash mode and the main flash mode.
Alternatively, the photographing module 43 focuses the photographing target object using at least one of an analog focusing system and a digital focusing system.
The modules of the photographing device 40 according to the embodiment of the present invention correspondingly execute the method for displaying the contact information according to each embodiment, and have the same technical effects as the above methods.
It should be understood that the division of the above-described modules into one logical functional division may be implemented in other ways, for example, two modules may be integrated into another system, or some features may be omitted, or not implemented. In addition, the modules may be connected to each other through some interfaces, and may also be in an electrical or other form. The modules may be implemented in the form of software functional blocks, or in the form of hardware, for example, as shown in fig. 5.
Referring to fig. 5, the camera 40 includes a lens 55, a flash 56, at least one processor 51, at least one network interface or other communication interface 52, a memory 53, and at least one communication bus 54, wherein the network interface or other communication interface 52 is used for the processor 51 to call up various data, and the memory 53 is used for storing program instructions. For ease of illustration, the number of processors 51, network interfaces or other communication interfaces 52, memory 53, and communication bus 54 shown in fig. 5 is one.
Wherein the processor 51 is configured to:
executing the program instructions to obtain the current distance between the lens 55 of the photographing device 40 and the target object;
executing program instructions to compare the current distance to a preset distance threshold;
and executing the program instructions to select one of the pre-flash mode and the main flash mode to shoot the target object according to the comparison result. If the current distance is smaller than the preset distance threshold, the processor 51 controls the flash lamp 56 to select a pre-flash mode to shoot the target object; if the current distance is greater than or equal to the preset distance threshold, the flash 56 is controlled to select the main flash mode to shoot the target object.
Optionally, the processor 51 is further configured to execute the program instructions to obtain a current ambient brightness of the target object, compare the current ambient brightness with a brightness corresponding to the pre-flash mode, and when the current ambient brightness is smaller than the brightness corresponding to the pre-flash mode, the processor 51 controls the flash 56 to select one of the pre-flash mode and the main flash mode to shoot the target object according to the comparison result.
Further optionally, the processor 51 obtains the current ambient brightness of the target by analyzing a current image of the target, wherein the current image is an image captured without any one of the pre-flash mode and the main flash mode.
Optionally, the processor 51 is further configured to execute program instructions to control the lens 55 to focus the shooting target by at least one of an analog focusing system and a digital focusing system.
It should be understood that the above-mentioned functions of the embodiments of the present invention, if implemented in the form of software functional units and sold or used as a stand-alone product, can be stored in a computer readable storage medium, that is, the embodiments of the present invention can be embodied in the form of a software product, which includes several instructions for making a shooting device execute all or part of the steps of the above-mentioned method.
It should be noted that the above-mentioned embodiments are only examples of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures or equivalent flow transformations made by using the contents of the present specification and the drawings, such as the combination of technical features between various embodiments, or the direct or indirect application to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A method of adjusting a flash, the method comprising:
acquiring the current distance between a lens of a shooting device and a target object to be shot;
comparing the current distance with a preset distance threshold;
and triggering the shooting device to shoot according to the comparison result, so that the flash lamp of the shooting device selects one of a pre-flash mode and a main flash mode to shoot the target object.
2. The method of claim 1, wherein the step of triggering the camera to shoot according to the comparison result so that a flash of the camera selects one of a pre-flash mode and a main flash mode to shoot the target object comprises:
if the current distance is smaller than the preset distance threshold, the flash lamp selects the pre-flash mode to shoot the target object;
and if the current distance is greater than or equal to the preset distance threshold, the flash lamp selects the main flash mode to shoot the target object.
3. The method of claim 1, further comprising:
acquiring the current ambient brightness of the target object;
comparing the current ambient brightness with the brightness corresponding to the pre-flash mode;
and when the current environment brightness is smaller than the brightness corresponding to the pre-flash mode, executing the step of triggering the shooting device to shoot according to the comparison result so that the flash lamp of the shooting device selects one of the pre-flash mode and the main flash mode to shoot the target object.
4. The method of claim 3, wherein the step of obtaining the current ambient brightness of the target object comprises:
acquiring the current ambient brightness of the target object through a light sensing element arranged at a lens of the shooting device; or,
acquiring a current image of the target object, wherein the current image is an image obtained by shooting without starting any one of the pre-flash mode and the main flash mode;
and analyzing the current image to acquire the current ambient brightness of the target object.
5. The method according to claim 1, wherein the photographing device is built in with an analog focusing system and a digital focusing system, and the step of photographing the object by a flash of the photographing device selecting one of a pre-flash mode and a main flash mode comprises:
and at least one of the analog focusing system and the digital focusing system is adopted for focusing and shooting.
6. The shooting device is characterized by comprising a distance acquisition module, a distance comparison module and a shooting module, wherein the distance acquisition module is used for acquiring the current distance between the shooting module of the shooting device and a target object to be shot; the distance comparison module is used for comparing the current distance with a preset distance threshold; the shooting module is used for selecting one of a pre-flash mode and a main flash mode to shoot the target object according to the comparison result of the distance comparison module.
7. The camera of claim 6, wherein if the current distance is less than the preset distance threshold, the photographing module selects the pre-flash mode to photograph the target object; and if the current distance is greater than or equal to the preset distance threshold, the shooting module selects the main flash mode to shoot the target object.
8. The camera according to claim 6, further comprising a brightness obtaining module and a brightness comparing module, wherein the brightness obtaining module is configured to obtain a current ambient brightness of the target, the brightness comparing module is configured to compare the current ambient brightness with a brightness corresponding to the pre-flash mode, and when the current ambient brightness is smaller than the brightness corresponding to the pre-flash mode, the camera selects one of the pre-flash mode and the main flash mode to shoot the target according to a comparison result of the distance comparing module.
9. The camera according to claim 8, wherein the brightness acquiring module is configured to analyze a current image of the object to acquire a current ambient brightness of the object, wherein the current image is an image captured without any one of the pre-flash mode and the main flash mode.
10. The camera of claim 6, wherein the camera module takes a picture of the target object in focus using at least one of an analog focus system and a digital focus system.
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| CN201610328959.7A CN105867047A (en) | 2016-05-18 | 2016-05-18 | Flashlight adjusting method and shooting device |
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Cited By (8)
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| CN106412440A (en) * | 2016-10-31 | 2017-02-15 | 维沃移动通信有限公司 | Flash lamp control method and mobile terminal |
| CN106603934A (en) * | 2017-01-12 | 2017-04-26 | 维沃移动通信有限公司 | Flash lamp control method and mobile terminal |
| CN106686314A (en) * | 2017-01-18 | 2017-05-17 | 广东欧珀移动通信有限公司 | Control method, control device and electronic device |
| CN107071287A (en) * | 2017-05-23 | 2017-08-18 | 奇酷互联网络科技（深圳）有限公司 | A kind of method and apparatus and mobile terminal taken pictures |
| CN107888842A (en) * | 2017-12-28 | 2018-04-06 | 上海传英信息技术有限公司 | A kind of flash lamp control method and control system based on intelligent terminal |
| CN110187591A (en) * | 2019-05-07 | 2019-08-30 | Oppo广东移动通信有限公司 | Flash lamp control method, device, electronic equipment and storage medium |
| CN110650296A (en) * | 2018-06-26 | 2020-01-03 | 青岛海信移动通信技术股份有限公司 | Photographing-based light supplementing method and device, mobile terminal and storage medium |
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| CN106412440A (en) * | 2016-10-31 | 2017-02-15 | 维沃移动通信有限公司 | Flash lamp control method and mobile terminal |
| CN106603934A (en) * | 2017-01-12 | 2017-04-26 | 维沃移动通信有限公司 | Flash lamp control method and mobile terminal |
| CN106603934B (en) * | 2017-01-12 | 2019-11-26 | 维沃移动通信有限公司 | A kind of flash lamp control method and mobile terminal |
| CN106686314A (en) * | 2017-01-18 | 2017-05-17 | 广东欧珀移动通信有限公司 | Control method, control device and electronic device |
| CN106686314B (en) * | 2017-01-18 | 2020-03-06 | Oppo广东移动通信有限公司 | Control method, control device and electronic device |
| CN107071287A (en) * | 2017-05-23 | 2017-08-18 | 奇酷互联网络科技（深圳）有限公司 | A kind of method and apparatus and mobile terminal taken pictures |
| CN107888842A (en) * | 2017-12-28 | 2018-04-06 | 上海传英信息技术有限公司 | A kind of flash lamp control method and control system based on intelligent terminal |
| CN110650296A (en) * | 2018-06-26 | 2020-01-03 | 青岛海信移动通信技术股份有限公司 | Photographing-based light supplementing method and device, mobile terminal and storage medium |
| CN110187591A (en) * | 2019-05-07 | 2019-08-30 | Oppo广东移动通信有限公司 | Flash lamp control method, device, electronic equipment and storage medium |
| CN110187591B (en) * | 2019-05-07 | 2021-09-17 | Oppo广东移动通信有限公司 | Flash lamp control method and device, electronic equipment and storage medium |
| CN110719413A (en) * | 2019-11-25 | 2020-01-21 | 展讯通信（上海）有限公司 | Flash lamp working process control method and device |
| CN110719413B (en) * | 2019-11-25 | 2021-03-19 | 展讯通信（上海）有限公司 | Flash lamp working process control method and device |
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