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WO2015101001A1 - 拍摄方法、装置及终端 - Google Patents

拍摄方法、装置及终端 Download PDF

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Publication number
WO2015101001A1
WO2015101001A1 PCT/CN2014/081739 CN2014081739W WO2015101001A1 WO 2015101001 A1 WO2015101001 A1 WO 2015101001A1 CN 2014081739 W CN2014081739 W CN 2014081739W WO 2015101001 A1 WO2015101001 A1 WO 2015101001A1
Authority
WO
WIPO (PCT)
Prior art keywords
image
display screen
camera
preset
illumination
Prior art date
Application number
PCT/CN2014/081739
Other languages
English (en)
French (fr)
Inventor
谢清鹏
张雷
李善甫
姚峻
高山
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to EP14809744.7A priority Critical patent/EP2905955B1/en
Priority to JP2015555589A priority patent/JP6112230B2/ja
Priority to KR1020157001065A priority patent/KR101710971B1/ko
Priority to US14/574,002 priority patent/US9462169B2/en
Publication of WO2015101001A1 publication Critical patent/WO2015101001A1/zh

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B7/00Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/16Control of exposure by setting shutters, diaphragms or filters, separately or conjointly in accordance with both the intensity of the flash source and the distance of the flash source from the object, e.g. in accordance with the "guide number" of the flash bulb and the focusing of the camera
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60Control of cameras or camera modules
    • H04N23/63Control of cameras or camera modules by using electronic viewfinders
    • H04N23/633Control of cameras or camera modules by using electronic viewfinders for displaying additional information relating to control or operation of the camera
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B15/00Special procedures for taking photographs; Apparatus therefor
    • G03B15/02Illuminating scene
    • G03B15/03Combinations of cameras with lighting apparatus; Flash units
    • G03B15/05Combinations of cameras with electronic flash apparatus; Electronic flash units
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60Control of cameras or camera modules
    • H04N23/64Computer-aided capture of images, e.g. transfer from script file into camera, check of taken image quality, advice or proposal for image composition or decision on when to take image
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70Circuitry for compensating brightness variation in the scene
    • H04N23/71Circuitry for evaluating the brightness variation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/222Studio circuitry; Studio devices; Studio equipment
    • H04N5/262Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
    • H04N5/272Means for inserting a foreground image in a background image, i.e. inlay, outlay
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M2250/00Details of telephonic subscriber devices
    • H04M2250/52Details of telephonic subscriber devices including functional features of a camera
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70Circuitry for compensating brightness variation in the scene
    • H04N23/74Circuitry for compensating brightness variation in the scene by influencing the scene brightness using illuminating means

Definitions

  • the rear camera has one or more flash units to provide an auxiliary light source for low-light conditions for easy taking or video recording (called photo and/or video collectively referred to as shooting).
  • the front camera is generally facing the user in most usage scenarios, and the flash is easily damaged by the human eye. Therefore, the front camera is generally not equipped with a flash. This way, images shot with the front camera may not perform well in low light conditions. Summary of the invention
  • an object of embodiments of the present invention is to provide a photographing method, apparatus, and terminal to solve the above problems.
  • the embodiment of the present invention provides the following technical solutions:
  • a photographing method including:
  • the display screen facing the subject is illuminated with the preset illumination parameters; the image is captured according to the shooting instruction.
  • the acquiring the preset lighting parameter Including: After detecting that the camera is activated, obtain preset lighting parameters.
  • the acquiring the preset illumination parameter comprises: acquiring a preset illumination parameter when the image is captured according to the shooting instruction.
  • the display screen facing the photographer and the display screen facing the object are In the same display screen, the display screen includes a display area for displaying the preview image and an illumination area for providing illumination with the preset illumination parameters.
  • the illumination parameter includes at least one of a backlight color value, a color temperature value, and a backlight brightness value.
  • the preview image includes at least one of a real image and a simulated image collected by the camera Kind.
  • the simulated image is an image that is simulated in a scene that is illuminated by the display using the preset illumination parameter .
  • the simulated image is an image that is displayed on the analog display screen without using the preset illumination parameter to provide illumination .
  • the simulated image is an image after the illumination improvement process is performed on the real image captured by the camera.
  • the acquiring the preset illumination parameter is determining the ambient light collected by the optical sensor Executed after the brightness is less than the preset brightness threshold.
  • the method before the acquiring the preset lighting parameter, the method further includes: setting, according to the ambient light brightness collected by the ⁇ The lighting parameters are described.
  • the method further includes: when the distance between the photographer and the camera is less than a preset distance threshold, prohibiting the flash provided on the same side of the camera as providing a flash, the same side of the camera
  • the flash refers to a flash that has a range of light coverage that matches the viewing range of the camera.
  • the method further includes: performing illumination improvement processing on the captured image.
  • the illumination improvement processing includes: improving an overall brightness of the image, and enhancing image contrast And at least one of image synthesis.
  • a photographing apparatus including:
  • a display control unit configured to display a preview image toward the photographer's display screen after detecting that the camera is activated
  • a lighting parameter obtaining unit configured to acquire preset lighting parameters
  • a lighting control unit configured to provide illumination to the display screen of the subject, the preset illumination parameter acquired by the illumination parameter acquisition unit;
  • a shooting unit that captures an image according to the shooting instructions.
  • the display screen facing the photographer and the display screen facing the subject are the same display screen, and the display screen includes a display area and an illumination area;
  • the display control unit is specifically configured to control the display area to display the preview image; and to cause the display screen facing the object to be captured by the illumination parameter acquisition unit
  • the preset illumination parameter provides illumination.
  • the illumination control unit is specifically configured to control the illumination area to provide illumination with the preset illumination parameter.
  • the display control unit is specifically configured to indicate that the display screen of the photographer is displayed on the display screen of the photographer. At least one of a real image and a simulated image.
  • the method further includes: a first illumination improvement processing unit, configured to perform illumination improvement processing on a real image collected by the camera; The image is after the illumination improvement process is performed by the first illumination improvement processing unit Image.
  • the illumination parameter acquiring unit is configured to determine that the ambient light intensity collected by the optical sensor is less than Obtaining the preset illumination parameter after the preset brightness threshold.
  • the method further includes: a setting unit, configured, before the illumination parameter acquiring unit acquires the preset lighting parameter The illumination parameter is set according to ambient light intensity collected by the light sensor.
  • the method further includes: a prohibiting unit, configured between the camera and the camera When the distance is less than the preset distance threshold, the flash on the same side of the camera is prohibited from providing a flash, and the flash on the same side of the camera means that the light coverage of the flash is consistent with the viewing range of the camera.
  • the method further includes: a second illumination improvement processing unit, configured to illuminate the captured image Improve processing.
  • a terminal comprising at least a display screen, a camera, and the photographing apparatus according to any one of the above.
  • the display screen can be used as an auxiliary light source, so that the display screen provides illumination by using preset illumination parameters, thereby improving the image effect of the camera under low light conditions.
  • FIG. 1 is a flowchart of a photographing method according to an embodiment of the present invention
  • FIG. 2 is another flowchart of a photographing method according to an embodiment of the present invention
  • FIG. 3 is still another flowchart of a photographing method according to an embodiment of the present invention
  • FIG. 4 is a schematic diagram of a dual-screen single display screen according to an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of dual display of dual cameras according to an embodiment of the present invention.
  • FIG. 6 is another schematic diagram of dual display of dual cameras according to an embodiment of the present invention.
  • FIG. 7 is still another flowchart of a photographing method according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of a photographing apparatus according to an embodiment of the present invention.
  • FIG. 9 is another schematic structural diagram of a camera device according to an embodiment of the present invention.
  • FIG. 10 is still another schematic structural diagram of a photographing apparatus according to an embodiment of the present invention.
  • FIG. 1 is a flowchart of a photographing method provided by the present invention, which may include at least: so, a camera is activated.
  • the indication After detecting that the camera is activated, the indication displays a preview image toward the photographer's display screen. The preview image will always be displayed until the following step S4 is not performed.
  • the existing terminal When the existing terminal starts the camera, it also displays the image of the camera, or the screen that enters the camera lens.
  • the displayed preview image is an image captured by the camera.
  • the displayed preview image may not be limited to the image captured by the camera. Introduction.
  • step S2 may be performed, or When the image is taken (when the user presses the shutter, the shooting command is issued), step S2 is executed.
  • the display screen facing the photographer and the display screen facing the object to be photographed may be the same display screen, or may be two separate display screens, which will be described in detail later in this document.
  • the illumination parameter may include at least one of a backlight color value, a color temperature value, and a backlight brightness value.
  • the illumination parameters described above may also include a projection angle, duration, and the like.
  • the user can select a different backlight color (color value), or use the system default backlight color (color value), such as white, the present invention does not limit the specific color.
  • colors value color value
  • users can also choose different backlight brightness, color temperature, etc. to get the best lighting effect.
  • backlight color value color temperature value
  • backlight brightness value projection angle, duration, etc.
  • Black and white checkerboard light source effect light source effect of darkening on both sides in the middle
  • light source effect of little starlight and so on.
  • Each of the above combinations can be considered to provide a light source template that can achieve a particular light source effect.
  • the values of the parameters in the above combination can be saved in the terminal to provide a special light source effect when using the display illumination.
  • the shooting may include taking a picture or recording, and thus, the captured image may include a photo or a video.
  • the display screen after detecting that the camera is activated or receiving a shooting instruction, can be used as an auxiliary light source of the camera, so that the display screen provides illumination with preset illumination parameters, thereby making the camera in low light condition.
  • the captured image is improved.
  • the display screen Based on the flow shown in Figure 2, after detecting that the camera is activated, the display screen provides illumination with preset illumination parameters. Therefore, the image captured by the camera is used to illuminate the display with preset lighting parameters. The image captured in the scene.
  • the real image captured by the camera can be directly displayed.
  • the display area of the display screen may also be divided into a first display area and a second display area, wherein the first display area displays a real image of the camera set, and the second display area displays a simulated image.
  • the simulated image is an image that simulates a scene that provides illumination without the use of a display.
  • the display screen is illuminated by the preset illumination parameter, so that the image captured by the camera is received before the shooting instruction is received.
  • the display does not use the above preset lighting parameters to provide an image in the illuminated scene.
  • the display area of the display screen may be divided into a first display area and a second display area, wherein the first display area displays a real image captured by the camera, and the second display area displays a simulated image.
  • the real image is an image captured by the camera in a scene where the display screen is not illuminated with preset illumination parameters; and the analog image is, the analog display is preset.
  • the lighting parameters provide an image of the set under illumination.
  • the simulation image in all of the above embodiments may be an image after the illumination improvement processing of the real image collected by the camera, whether based on the flow shown in Fig. 2 or Fig. 3.
  • the above lighting improvement processing may include:
  • Enhance the overall brightness of the image enhancing at least one of image contrast and image composition.
  • Image compositing can use existing image compositing techniques, for example, taking at least two photos when taking a photo, passing two photos through HDR (High-Dynamic Range), red-eye reduction, de-reflection, defogging, etc. Process the synthesis to produce a better picture.
  • HDR High-Dynamic Range
  • brightly colored borders such as white and yellow, or other decorative backgrounds can be added to the captured image to produce different visual effects.
  • the illumination parameters may also be displayed while the preview image is displayed, so that the user can make adjustments.
  • the steps of obtaining preset lighting parameters in all of the above embodiments may be performed after determining that the ambient light intensity collected by the photosensor is less than a preset brightness threshold.
  • a preset brightness threshold A person skilled in the art can set the brightness threshold according to actual needs, or the brightness threshold can be set by the user, which is not described herein.
  • the display may be provided without using the display (ie, the preset illumination parameters are not acquired). In this way, in the embodiment, whether the display screen is used to provide illumination can be automatically determined according to the brightness of the ambient light collected by the light sensor.
  • the flash function of the flash in the case where the camera is equipped with a flash, it is also possible to determine whether or not to use the flash function of the flash based on the ambient light level collected by the photosensor. For example, when it is less than a certain brightness value, the flash function of the flash is used, and when it is greater than or equal to the brightness value, the flash function of the flash is not used.
  • the above illumination parameters may also be set based on the ambient light intensity that is collected.
  • the photographing method may further include the following steps:
  • the flash on the same side of the camera is prohibited from providing flash to reduce the damage to the human eye (the main application of this embodiment) In the case of self-timer).
  • the so-called “flash on the same side as the camera” can refer to a flash that has the same light coverage as the camera's viewing range.
  • all flashes can be disabled from providing flash, or some flashes can be disabled from providing flash.
  • a graphical interface can be added for the user to choose whether to use the display as an auxiliary source.
  • the photographing method provided by all the embodiments of the present invention can be applied to at least the terminals of the single-screen display of the dual cameras (front camera and rear camera) as shown in FIG.
  • the single display terminal has only one display, so when the user takes a self-portrait, the unique display can be used to provide illumination to the camera and a preview image is displayed on the display. That is, in the present embodiment, the display screen facing the photographer is the same display screen as the display screen facing the subject.
  • the display screen can be divided into a display area and an illumination area, wherein the display area can be used to display the preview image, and the illumination area can be used to use the preset illumination parameter For lighting.
  • the display area may be further divided into a first display area and a second display area to respectively display a real image and a simulated image collected by the camera.
  • the photographing method provided by all the embodiments of the present invention can also be applied to the dual camera dual display terminal as shown in Fig. 5 or Fig. 6.
  • one display of the dual display terminal faces the subject or person (the display facing the subject) and the other display faces the user (toward the photographer's display).
  • the display facing the photographer is different from the display facing the subject. In this way, it is not limited to self-timer, and macro shooting can also provide illumination using a display screen.
  • the display facing the photographer and the display facing the subject remain the same display. Similar to the front, the display screen facing the photographer and the subject can be divided into a display area for displaying a preview image and an illumination area for providing illumination with preset illumination parameters.
  • the brightness of the screen is suitable for human eyes to see and not harm the human eye
  • the display In the self-timer/self-timer scene, the display is always on (lighted), and it is the face that is facing, and the distance between the screen and the face is within the range of the screen illumination.
  • the screen is also lit because the preview image is to be displayed (at least one screen is lit in the dual-screen terminal).
  • the illuminated screen (or part of the screen) can be used as a light source for auxiliary photography without the need to add other light source accessories and costs;
  • the display's illuminating color and brightness are controllable, thus providing a choice of light sources of different colors and brightness;
  • the display process is improved, the display brightness is always improved, and it has the characteristics of being a high-quality light source, and as the display is transparent and flexible, it can provide more characteristics and choices for the photographing light source.
  • the user may select to enter the photographing mode or the photographing mode, so that after the shutter is pressed, the terminal may take a photograph or photograph according to the entered mode.
  • step S4 the following steps may be further included: Resume the display of the preview image.
  • the preview image displayed in this step can be the captured image, or it can be a frame image of the taken photo/shot video (normally, the first frame image).
  • the method may further include the following steps: S5. Perform illumination improvement processing on the captured image.
  • the above lighting improvement processing may include:
  • Enhance the overall brightness of the image enhancing at least one of image contrast and image composition.
  • Image compositing can use existing image compositing techniques, for example, taking at least two photos when taking a photo, passing two photos through HDR (High-Dynamic Range), red-eye reduction, de-reflection, defogging, etc. Process the synthesis to produce a better picture.
  • HDR High-Dynamic Range
  • brightly colored borders such as white and yellow, or other decorative backgrounds can be added to the captured image to produce different visual effects.
  • Embodiments of the present invention also claim a camera.
  • the photographing apparatus 800 may include: a display control unit 1 configured to display a preview image toward a display screen of the photographer after detecting that the camera is activated;
  • the illumination parameter acquisition unit 2 is configured to acquire preset illumination parameters
  • the illumination control unit 3 is configured to provide illumination for the preset illumination parameters acquired by the illumination parameter acquisition unit 2 of the display object facing the object;
  • the shooting unit 4 is used to take an image according to the shooting instruction.
  • the illumination parameter acquisition unit 2 obtains preset illumination parameters after determining that the ambient light intensity collected by the light sensor is less than a preset brightness threshold.
  • the apparatus in all the above embodiments may further include: a setting unit, configured to: according to ambient light brightness collected by the light sensor, before the illumination parameter acquiring unit 2 acquires the preset illumination parameter, Set the lighting parameters.
  • a setting unit configured to: according to ambient light brightness collected by the light sensor, before the illumination parameter acquiring unit 2 acquires the preset illumination parameter, Set the lighting parameters.
  • the display facing the photographer and the display facing the subject are The same display screen, the display screen can include a display area and an illumination area.
  • the display control unit 1 in all the above embodiments may be specifically configured to control the display area to display the preview image in the display of the preview image on the display screen of the photographer.
  • the illumination control unit 3 may be specifically configured to control the illumination area to be provided by using the preset illumination parameter, in order to provide illumination to the display screen of the object to be illuminated by the preset illumination parameter acquired by the illumination parameter acquisition unit 2. illumination.
  • the display control unit in all the embodiments described above is specifically configured to instruct the display screen of the photographer to display the real image collected by the camera, and the display image displayed on the display screen of the photographer. At least one of the simulated images.
  • the apparatus in all the foregoing embodiments may further include:
  • a first illumination improvement processing unit configured to perform illumination improvement processing on a real image collected by the camera
  • the aforementioned analog image may be an image after the illumination improvement processing by the first illumination improvement processing unit.
  • the apparatus in all the above embodiments may further include: a prohibiting unit, configured to disable the flash supply on the same side of the camera when the distance between the photographer and the camera is less than a preset distance threshold Flash, the flash on the same side of the camera refers to the light coverage of the flash and the camera's viewing range.
  • a prohibiting unit configured to disable the flash supply on the same side of the camera when the distance between the photographer and the camera is less than a preset distance threshold Flash, the flash on the same side of the camera refers to the light coverage of the flash and the camera's viewing range.
  • the photographing apparatus 800 in all the above embodiments may further include:
  • the second illumination improvement processing unit 5 is configured to perform illumination improvement processing on the captured image.
  • FIG. 10 shows a hardware configuration of the above-described photographing apparatus 800, which may include a processor 801, a memory 802, a bus 803, and a communication interface 804.
  • the processor 801, the memory 802, and the communication interface 804 are connected to each other through a bus 803.
  • the memory 802 is configured to store a program.
  • the program can Including program code, the program code includes computer operation instructions.
  • the memory 802 may include a high speed random access memory (RAM) memory, and may also include a non-volatile memory such as at least one disk memory.
  • RAM random access memory
  • non-volatile memory such as at least one disk memory.
  • the processor 801 may be a general-purpose processor, including a central processing unit (CPU), a network processor (NP), etc.; or a digital signal processor (DSP), an application specific integrated circuit (ASIC) ), off-the-shelf programmable gate arrays (FPGAs) or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • CPU central processing unit
  • NP network processor
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGAs off-the-shelf programmable gate arrays
  • the processor 801 executes a program stored in the memory 802, and is used to implement the photographing method provided by the embodiment of the present invention.
  • the method includes: after detecting that the camera is activated, instructing to display a preview image toward a display screen of the photographer; and acquiring preset illumination parameters; The display screen facing the subject is illuminated with preset lighting parameters. Take an image according to the shooting instructions.
  • the above-mentioned imaging device 800 can also perform other steps involved in the shooting method described in the method section of this document, as well as the refinement of each step, which will not be described herein.
  • the CPU and the memory can be integrated in the same chip or as two separate devices.
  • the embodiment of the present invention further requires a protection terminal, which can include at least a display screen, a camera, and a photographing apparatus as described in all of the above embodiments.
  • the steps of a method or algorithm described in connection with the embodiments disclosed herein can be implemented directly in hardware, a software module executed by a processor, or a combination of both.
  • the software module can be placed in random access memory (RAM), memory, read only memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, removable disk, CD-ROM, or technical field. Any other form of storage medium known.
  • RAM random access memory
  • ROM read only memory
  • electrically programmable ROM electrically erasable programmable ROM
  • registers hard disk, removable disk, CD-ROM, or technical field. Any other form of storage medium known.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Studio Devices (AREA)
  • Exposure Control For Cameras (AREA)
  • Stroboscope Apparatuses (AREA)
  • Indication In Cameras, And Counting Of Exposures (AREA)

Abstract

本发明实施例公开了拍摄方法、装置及终端。上述方法包括:在检测到摄像头启动后,指示朝向拍摄者的显示屏显示预览图像;获取预设的照明参数;令朝向被拍摄对象的显示屏采用所述预设的照明参数提供照明;根据拍摄指令拍摄图像。在本发明实施例中,可使用显示屏作为辅助光源,令显示屏采用预设的照明参数提供照明,从而令摄像头在低光照情况下拍摄到的图像效果得到提升。

Description

拍摄方法、 装置及终端
技术领域
本申请要求于 2013 年 12 月 31 日提交中国专利局、 申请号为 201310753985.0、 发明名称为"拍摄方法、 装置及终端"的国内申请的优先权, 其全部内容通过引用结合在本申请中。 背景技术
很多终端 (例如手机、 相机、 PDA等) 已配置了双摄像头 (前置摄像头 和后置摄像头), 有些终端还配置有双屏幕。 通常的, 在大多数使用情景下, 后置摄像头背向用户, 而前置摄像头朝向用户, 用户可使用前置摄像头自拍。
后置摄像头带有一个或多个闪光灯, 以在低光照情况下提供辅助光源来 方便拍照或录像(可称拍照和 /或录像统称为拍摄)。 前置摄像头在大多数使用 场景中一般朝向用户, 而闪光灯又容易对人眼成伤害, 因此, 前置摄像头一 般不配备闪光灯。 这样, 在低光照情况下, 使用前置摄像头拍摄的图像效果 可能不佳。 发明内容
有鉴于此, 本发明实施例的目的在于提供拍摄方法、 装置及终端, 以解 决上述问题。
为实现上述目的, 本发明实施例提供如下技术方案:
根据本发明实施例的第一方面, 提供一种拍摄方法, 包括:
在检测到摄像头启动后, 指示朝向拍摄者的显示屏显示预览图像; 获取预设的照明参数;
令朝向被拍摄对象的显示屏釆用所述预设的照明参数提供照明; 根据拍摄指令拍摄图像。
结合第一方面, 在第一种可能的实现方式中, 所述获取预设的照明参数 包括: 在检测到摄像头启动后, 获取预设的照明参数。
结合第一方面, 在第二种可能的实现方式中, 所述获取预设的照明参数 包括: 在根据拍摄指令拍摄图像时, 获取预设的照明参数。
结合第一方面至第一方面第二种可能的实现方式中的任一项, 在第三种 可能的实现方式中, 所述朝向拍摄者的显示屏与所述朝向被拍摄对象的显示 屏为同一显示屏, 所述显示屏包括显示所述预览图像的显示区域和釆用所述 预设的照明参数提供照明的照明区域。
结合第一方面至第一方面第三种可能的实现方式中的任一项, 在第四种 可能的实现方式中, 所述照明参数包括背光色彩值、 色温值和背光亮度值中 的至少一种。
结合第一方面至第一方面第四种可能的实现方式中的任一项, 在第五种 可能的实现方式中, 所述预览图像包括摄像头所釆集的真实图像以及模拟图 像中的至少一种。
结合第一方面第五种可能的实现方式, 在第六种可能的实现方式中, 所 述模拟图像为, 模拟在显示屏釆用所述预设的照明参数提供照明的场景下釆 集的图像。
结合第一方面第五种可能的实现方式, 在第七种可能的实现方式中, 所 述模拟图像为, 模拟显示屏不釆用所述预设的照明参数提供照明的场景下釆 集的图像。
结合第一方面第五种可能的实现方式, 在第八种可能的实现方式中, 所 述模拟图像为, 对摄像头所釆集的真实图像进行照明改善处理后的图像。
结合第一方面至第一方面第八种可能的实现方式中的任一项, 在第九种 可能的实现方式中, 所述获取预设的照明参数是在确定光传感器釆集到的环 境光亮度小于预设的亮度阔值后执行的。
结合第一方面第九种可能的实现方式, 在第十种可能的实现方式中, 在 所述获取预设的照明参数之前, 所述方法还包括: 根据釆集到的环境光亮度, 设置所述照明参数。
结合第一方面至第一方面第十种可能的实现方式中的任一项, 在第十一 种可能的实现方式中, 还包括: 在被拍摄者与所述摄像头之间的距离小于预 设距离阔值时, 禁止与所述摄像头同侧的闪光灯提供闪光, 所述与所述摄像 头同侧的闪光灯指光线覆盖范围和所述摄像头的取景范围一致的闪光灯。
结合第一方面至第一方面第十一种可能的实现方式中的任一项, 在第十 二种可能的实现方式中, 还包括: 对拍摄到的图像进行照明改善处理。
结合第一方面第八种可能的实现方式或第一方面第九种可能的实现方 式, 在第十三种可能的实现方式中, 所述照明改善处理包括: 提升图像的整 体亮度, 增强图像对比度和图像合成中的至少一种。
根据本发明实施例的第二方面, 提供一种拍摄装置, 包括:
显示控制单元, 用于在检测到摄像头启动后, 指示朝向拍摄者的显示屏 显示预览图像;
照明参数获取单元, 用于获取预设的照明参数;
照明控制单元, 用于令朝向被拍摄对象的显示屏釆用所述照明参数获取 单元获取的所述预设的照明参数提供照明;
拍摄单元, 用于根据拍摄指令拍摄图像。
结合第二方面, 在第一种可能的实现方式中, 所述朝向拍摄者的显示屏 与所述朝向被拍摄对象的显示屏为同一显示屏, 所述显示屏包括显示区域和 照明区域; 在指示朝向拍摄者的显示屏显示预览图像方面, 所述显示控制单 元具体用于控制所述显示区域显示所述预览图像; 在令朝向被拍摄对象的显 示屏釆用所述照明参数获取单元获取的所述预设的照明参数提供照明方面, 所述照明控制单元具体用于控制所述照明区域釆用所述预设的照明参数提供 照明。
结合第二方面, 在第二种可能的实现方式中, 在指示朝向拍摄者的显示 屏显示预览图像方面, 所述显示控制单元具体用于指示所述朝向拍摄者的显 示屏显示摄像头所釆集的真实图像以及模拟图像中的至少一种。
结合第二方面第二种可能的实现方式, 在第三种可能的实现方式中, 还 包括: 第一照明改善处理单元, 用于对摄像头所釆集的真实图像进行照明改 善处理; 所述模拟图像为经所述第一照明改善处理单元进行照明改善处理后 的图像。
结合第二方面至第二方面第三种可能的实现方式中的任一项, 在第四种 可能的实现方式中, 所述照明参数获取单元是在确定光传感器釆集到的环境 光亮度小于预设的亮度阔值后获取所述预设的照明参数的。
结合第二方面或第二方面第四种可能的实现方式, 在第五种可能的实现 方式中, 还包括: 设置单元, 用于在所述照明参数获取单元获取所述预设的 照明参数之前, 根据光传感器釆集到的环境光亮度, 设置所述照明参数。
结合第二方面至第二方面第五种可能的实现方式中的任一项, 在第六种 可能的实现方式中, 还包括: 禁止单元, 用于在被拍摄者与所述摄像头之间 的距离小于预设距离阔值时, 禁止与所述摄像头同侧的闪光灯提供闪光, 所 述与所述摄像头同侧的闪光灯指所述闪光灯的光线覆盖范围和所述摄像头的 取景范围一致。
结合第二方面至第二方面第六种可能的实现方式中的任一项, 在第七种 可能的实现方式中, 还包括: 第二照明改善处理单元, 用于对拍摄到的图像 进行照明改善处理。
根据本发明实施例的第三方面, 提供一种终端, 至少包括显示屏、 摄像 头, 以及, 上述任一项所述的拍摄装置。
可见, 在本发明实施例中, 可使用显示屏作为辅助光源, 令显示屏釆用 预设的照明参数提供照明, 从而令摄像头在低光照情况下拍摄到的图像效果 得到提升。 附图说明
为了更清楚地说明本发明实施例中的技术方案, 下面将对实施例描述中 所需要使用的附图作简单地介绍, 显而易见地, 下面描述中的附图仅仅是本 发明的一些实施例, 对于本领域普通技术人员来讲, 在不付出创造性劳动的 前提下, 还可以根据这些附图获得其他的附图。
图 1为本发明实施例提供的拍摄方法的流程图;
图 2为本发明实施例提供的拍摄方法的另一流程图; 图 3为本发明实施例提供的拍摄方法的又一流程图;
图 4为本发明实施例提供的双摄像头单显示屏示意图;
图 5为本发明实施例提供的双摄像头双显示示意图;
图 6为本发明实施例提供的双摄像头双显示另一示意图;
图 7为本发明实施例提供的拍摄方法的又一流程图;
图 8为本发明实施例提供的拍摄装置结构示意图;
图 9为本发明实施例提供的拍摄装置另一结构示意图;
图 10为本发明实施例提供的拍摄装置又一结构示意图。
具体实施方式
为使本发明实施例的目的、 技术方案和优点更加清楚, 下面将结合本发 明实施例中的附图, 对本发明实施例中的技术方案进行清楚、 完整地描述, 显然, 所描述的实施例仅仅是本发明一部分实施例, 而不是全部的实施例。 基于本发明中的实施例, 本领域普通技术人员在没有作出创造性劳动前提下 所获得的所有其他实施例, 都属于本发明保护的范围。
请参见图 1 , 为本发明所提供拍摄方法的流程图, 其至少可包括: so、 摄像头启动。
51、 在检测到摄像头启动后, 指示朝向拍摄者的显示屏显示预览图像。 在下述步骤 S4未被执行前, 将会一直显示预览图像。
现有终端在启动摄像头后, 也会显示摄像头釆集的图像, 或者说, 显示 进入摄像头镜头中的画面。
在本实施例中, 可与现有终端相类似, 显示的预览图像为摄像头釆集的 图像, 在本发明其他实施例中, 显示的预览图像也可不限于摄像头釆集的图 像, 本文后续将进行介绍。
52、 获取预设的照明参数;
更具体的, 可在检测到摄像头启动后, 执行步骤 S2 , 也可在根据拍摄指 令(用户按下快门, 则是下达了拍摄指令)拍摄图像时, 执行步骤 S2。
因此, 请参见图 2和图 3 , 图 1所示的拍摄方法流程可有两种并列的细化 方案。
S3、 令朝向被拍摄对象的显示屏釆用预设的照明参数提供照明。
其中, 朝向拍摄者的显示屏与朝向被拍摄对象的显示屏可为同一显示屏, 也可为单独的两块显示屏, 本文后续将进行详细介绍。
进一步的, 上述照明参数可包括背光色彩值、 色温值和背光亮度值中的 至少一种。
在本发明其他实施例中, 上述照明参数还可包括投射角度、 持续时间等。 在设置照明参数时, 用户可选择不同的背光颜色(色彩值), 或釆用系统 默认背光颜色 (色彩值), 例如白色, 本发明不对具体颜色进行限制。 当然, 用户也可选择不同的背光亮度、 色温等, 以获得最佳的照明效果。
需要说明的是, 类似于舞台的灯光设计, 可对背光色彩值、 色温值、 背 光亮度值、 投射角度、 持续时间等中的一种或任意多种进行组合, 来实现特 定的渲染效果, 例如黑白棋盘格光源效果、 中间亮两边渐暗的光源效果、 点 点星光的光源效果等等。
上述每一种组合可认为是提供一种可实现特殊光源效果的光源模板。 可在终端中保存上述组合中各参数的取值, 以便在使用显示屏照明时, 可以提供特殊的光源效果。
S4、 根据拍摄指令拍摄图像。
更具体的, 拍摄可包括拍照或录像, 因此, 拍摄到的图像可包括照片或 视频。
在本发明实施例中, 在检测到摄像头启动或接收到拍摄指令后, 可使用 显示屏作为摄像头的辅助光源, 令显示屏釆用预设的照明参数提供照明, 从 而令摄像头在低光照情况下拍摄到的图像效果得到提升。
基于图 2 所示的流程, 在检测到摄像头启动后, 显示屏釆用预设的照明 参数提供照明, 因此, 摄像头所釆集的图像, 即为在显示屏釆用预设的照明 参数提供照明场景下所釆集的图像。 基于图 2 所示的流程, 在本发明其他实施例中, 在显示预览图像时, 可 直接显示摄像头所釆集的真实图像。 或者, 为了对比, 也可将显示屏的显示 区域分为第一显示区域和第二显示区域, 其中, 第一显示区域显示摄像头釆 集的真实图像, 第二显示区域显示模拟图像。 如基于图 2 所示流程, 该模拟 图像是模拟在不釆用显示屏提供照明的场景下的图像。
而如基于图 3 所示的流程中, 则在接收到拍摄指令时, 才令显示屏釆用 预设的照明参数提供照明, 因此, 在接收到拍摄指令之前, 摄像头所釆集的 图像, 是显示屏未釆用上述预设的照明参数提供照明场景下的图像。
基于图 3 所示的流程, 在本发明其他实施例中, 上述所有实施例在显示 预览图像时, 可直接显示摄像头所釆集的真实图像。 或者, 为了对比, 亦可 将显示屏的显示区域分为第一显示区域和第二显示区域, 其中, 第一显示区 域显示摄像头所釆集的真实图像, 第二显示区域显示模拟图像。
只不过, 在本实施例中, 真实图像为, 摄像头在显示屏未釆用预设的照 明参数提供照明的场景下所釆集的图像; 而模拟图像为, 模拟显示屏在釆用 预设的照明参数提供照明的场景下釆集的图像。
在本发明其他实施例中, 无论基于图 2或图 3所示流程, 上述所有实施 例中的模拟图像还可为对摄像头所釆集的真实图像进行照明改善处理后的图 像。
进一步的, 上述照明改善处理可包括:
提升图像的整体亮度, 增强图像对比度和图像合成中的至少一种。
图像合成可釆用现有的图像合成技术, 例如, 在拍照时, 至少拍两张照 片, 将两张照片通过 HDR ( High-Dynamic Range, 高动态范围)、 去红眼、 去 反光、 去雾等处理合成出效果更好图片。
此外, 还可在拍摄到的图像中加入白色、 黄色等亮色的边框, 或者其他 修饰性背景, 以产生不同的视觉效果。
此外, 在本发明其他实施例中, 还可在显示预览图像的同时, 显示照明 参数, 以便于用户进行调整。
在本发明其他实施例中, 上述所有实施例中的获取预设的照明参数的步 骤(也即步骤 S2 ), 可在确定光传感器釆集到的环境光亮度小于预设的亮度阔 值后执行。 本领域技术人员可根据实际需要设置亮度阔值, 或者, 也可由用 户自行设置亮度阔值, 在此不作赘述。
进一步的, 当环境光亮度大于等于亮度阔值时, 可不使用显示屏提供照 明 (也即不获取预设的照明参数)。 如此一来, 在本实施例中, 可根据光传感 器釆集到的环境光亮度, 自动判断是否使用显示屏提供照明。
或者, 在本发明其他实施例, 在摄像头配置闪光灯的情况下, 也可根据 光传感器釆集到的环境光亮度, 判断是否使用闪光灯的闪光功能。 例如, 在 小于某亮度阔值时, 使用闪光灯的闪光功能, 而在大于等于该亮度阔值时, 不使用闪光灯的闪光功能。
此外, 在本发明其他实施例中, 还可根据釆集到的环境光亮度, 设置上 述照明参数(例如背光亮度)。
在本发明其他实施例中, 在步骤 S3之前, 上述拍照方法还可包括如下步 骤:
在被拍摄者 (尤其被拍摄者的眼睛) 与摄像头之间的距离小于预设距离 阔值时, 禁止与该摄像头同侧的闪光灯提供闪光, 以降低对人眼的损伤 (本 实施例主要应用在自拍情况下)。 所谓的 "与摄像头同侧的闪光灯", 可指光 线覆盖范围和摄像头的取景范围一致的闪光灯。
更具体的, 当有多个闪光灯与进行拍摄的摄像头同侧时, 可禁止全部的 闪光灯提供闪光, 也可禁止一部分闪光灯提供闪光。
此外, 还可增加图形界面, 供用户选择是否使用显示屏作为辅助光源。 本发明所有实施例所提供的拍摄方法至少可应用于如图 4 所示的双摄像 头 (前置摄像头和后置摄像头)单显示屏的终端。 单显示屏终端只有一个显 示屏, 因此, 在用户自拍时, 可釆用该唯一的显示屏为摄像头提供光照, 并 在该显示屏上显示预览图像。 也即, 在本实施例中, 朝向拍摄者的显示屏与 朝向被拍摄对象的显示屏为同一显示屏。
在此情况下, 可将上述显示屏分为显示区域和照明区域, 其中, 显示区 域可用于显示上述预览图像, 而照明区域可用于釆用上述预设的照明参数提 供照明。
进一步的, 在本发明其他实施例中, 还可将显示区域分为第一显示区域 和第二显示区域, 以分别显示摄像头所釆集的真实图像以及模拟图像。
除此之外,本发明所有实施例所提供的拍摄方法还可应用于如图 5或图 6 所示的双摄像头双显示屏终端。 在拍摄过程中, 双显示屏终端的一个显示屏 朝向被拍物体或人物(朝向被拍摄对象的显示屏 ),另一个显示屏朝向用户(朝 向拍摄者的显示屏)。 在此场景下, 朝向拍摄者的显示屏与朝向被拍摄对象的 显示屏为不同的显示屏。 这样, 可不限于自拍, 微距拍摄等情景也可使用显 示屏提供照明。
当然, 双摄像头双显示屏终端在自拍时, 朝向拍摄者的显示屏与朝向被 拍摄对象的显示屏仍为同一显示屏。 与前类似, 此时可将朝向拍摄者以及被 拍摄对象的显示屏分为显示预览图像的显示区域和釆用预设的照明参数提供 照明的照明区域。
利用显示屏作为拍照照明光源有如下好处:
屏幕亮度强度适合人眼观看, 不伤害人眼;
在自拍 /自摄场景下, 显示屏是一定开启(亮着)的, 而且是正对的人脸, 屏幕与人脸距离处于屏幕发光照射范围内。 此外, 即使不是自拍 /自摄, 因为 要显示预览图像, 所以, 屏幕也是亮着的 (在双屏终端中至少一个屏幕是亮 着的)。 亮着的屏幕(或屏幕上的部分区域)可以作为辅助拍摄用的光源, 不 需要增加其它光源配件和成本;
显示屏的发光色彩和亮度可控, 因此可以提供不同颜色和亮度的光源选 择;
随着显示屏工艺提升, 显示亮度一直在提升, 具备作为优质光源的特性, 并且, 随着显示屏的透明化、 柔性化, 可为拍照光源提供更多的特性和选择。
在本发明其他实施例中, 在步骤 S1之前或之后, 用户可选择进入拍照模 式或者拍摄模式, 这样, 在按下快门后, 根据所进入的模式不同, 终端可进 行拍照或摄像。
在本发明其他实施例中, 在步骤 S4后, 还可包括如下步骤: 恢复显示预览图像。
在此步骤中显示的预览图像可为拍摄的图像, 或者, 可为已拍照片 /已拍 视频中的某一帧图像(通常情况下, 为第一帧图像)。
在本发明其他实施例中, 在步骤 S4后, 请参见图 7, 还可包括如下步骤: S5、 对拍摄到的图像进行照明改善处理。
更具体的, 上述照明改善处理可包括:
提升图像的整体亮度, 增强图像对比度和图像合成中的至少一种。
图像合成可釆用现有的图像合成技术, 例如, 在拍照时, 至少拍两张照 片, 将两张照片通过 HDR ( High-Dynamic Range, 高动态范围)、 去红眼、 去 反光、 去雾等处理合成出效果更好图片。
此外, 还可在拍摄到的图像中加入白色、 黄色等亮色的边框, 或者其他 修饰性背景, 以产生不同的视觉效果。
本发明实施例还要求保护拍摄装置。 如图 8所示, 拍摄装置 800可包括: 显示控制单元 1 , 用于在检测到摄像头启动后, 指示朝向拍摄者的显示屏 显示预览图像;
照明参数获取单元 2 , 用于获取预设的照明参数;
照明控制单元 3 ,用于令朝向被拍摄对象的显示屏釆用照明参数获取单元 2获取的预设的照明参数提供照明;
拍摄单元 4, 用于根据拍摄指令拍摄图像。
相关内容请参见本文前述记载, 在此不作赘述。
在本发明其他实施例中, 上述照明参数获取单元 2是在确定光传感器釆 集到的环境光亮度小于预设的亮度阔值后获取预设的照明参数的。
在本发明其他实施例中, 上述所有实施例中的装置还可包括: 设置单元, 用于在照明参数获取单元 2获取上述预设的照明参数之前, 根据光传感器釆 集到的环境光亮度, 设置照明参数。 相关内容请参见本文前述记载, 在此不 作赘述。
在单显示屏终端中, 朝向拍摄者的显示屏与朝向被拍摄对象的显示屏为 同一显示屏, 该显示屏可包括显示区域和照明区域。
相应的, 在本发明其他实施例中, 在指示朝向拍摄者的显示屏显示预览 图像方面, 上述所有实施例中的显示控制单元 1 可具体用于控制上述显示区 域显示所述预览图像;
而在令朝向被拍摄对象的显示屏釆用照明参数获取单元 2获取的预设的 照明参数提供照明方面, 上述照明控制单元 3 可具体用于控制上述照明区域 釆用上述预设的照明参数提供照明。
相关内容请参见本文前述记载, 在此不作赘述。
在本发明其他实施例中, 在指示朝向拍摄者的显示屏显示预览图像方面, 上述所有实施例中的显示控制单元具体用于指示上述朝向拍摄者的显示屏显 示摄像头所釆集的真实图像以及模拟图像中的至少一种。
相关内容请参见本文前述记载, 在此不作赘述。
在本发明其他实施例中, 上述所有实施例中的装置还可包括:
第一照明改善处理单元, 用于对摄像头所釆集的真实图像进行照明改善 处理;
前述的模拟图像可为经第一照明改善处理单元进行照明改善处理后的图 像。
在本发明其他实施例中, 上述所有实施例中的装置还可包括: 禁止单元, 用于在被拍摄者与摄像头之间的距离小于预设距离阔值时, 禁止与摄像头同 侧的闪光灯提供闪光, 与摄像头同侧的闪光灯指闪光灯的光线覆盖范围和摄 像头的取景范围一致。
在本发明其他实施例中, 请参见图 9, 上述所有实施例中的拍摄装置 800 还可包括:
第二照明改善处理单元 5 , 用于对拍摄到的图像进行照明改善处理。
具体细节请参见本文前述记载, 在此不作赘述。
图 10给出了上述拍摄装置 800的一种硬件结构, 其可包括处理器 801、 存储器 802、 总线 803和通信接口 804。 处理器 801、 存储器 802、 通信接口 804通过总线 803相互连接; 存储器 802, 用于存放程序。 具体地, 程序可以 包括程序代码, 程序代码包括计算机操作指令。
存储器 802可能包含高速随机存取存储器(random access memory, 简称 RAM )存储器, 也可能还包括非易失性存储器(non-volatile memory ), 例如 至少一个磁盘存储器。
处理器 801可以是通用处理器,包括中央处理器( Central Processing Unit, 简称 CPU )、 网络处理器(Network Processor, 简称 NP )等; 还可以是数字信 号处理器(DSP )、 专用集成电路(ASIC )、 现成可编程门阵列 (FPGA )或者 其他可编程逻辑器件、 分立门或者晶体管逻辑器件、 分立硬件组件。
处理器 801执行存储器 802所存放的程序, 用于实现本发明实施例提供 的拍摄方法, 包括: 在检测到摄像头启动后, 指示朝向拍摄者的显示屏显示预览图像; 获取预设的照明参数; 令朝向被拍摄对象的显示屏釆用预设的照明参数提供照明。 根据拍摄指令拍摄图像。 此外, 上述拍摄装置 800 亦可完成本文方法部分所介绍的拍摄方法所涉 及的其他步骤, 以及各步骤的细化, 在此不作赘述。
在本发明中, CPU和存储器可集成于同一芯片内, 也可为独立的两个器 件。
与之相对应, 本发明实施例还要求保护终端, 其可至少包括显示屏、 摄 像头, 以及, 如上述所有实施例描述的拍摄装置。
本说明书中各个实施例釆用递进的方式描述, 每个实施例重点说明的都 是与其他实施例的不同之处, 各个实施例之间相同相似部分互相参见即可。
结合本文中所公开的实施例描述的方法或算法的步骤可以直接用硬件、 处理器执行的软件模块, 或者二者的结合来实施。 软件模块可以置于随机存 储器(RAM ) 、 内存、 只读存储器(ROM ) 、 电可编程 ROM、 电可擦除可编 程 ROM、 寄存器、 硬盘、 可移动磁盘、 CD-ROM、 或技术领域内所公知的任 意其它形式的存储介质中。 对所公开的实施例的上述说明, 使本领域专业技术人员能够实现或使用 本发明。 对这些实施例的多种修改对本领域的专业技术人员来说将是显而易 见的, 本文中所定义的一般原理可以在不脱离本发明的精神或范围的情况下, 在其它实施例中实现。 因此, 本发明将不会被限制于本文所示的这些实施例, 而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。

Claims

权利要求
1、 一种拍摄方法, 其特征在于, 包括:
在检测到摄像头启动后, 指示朝向拍摄者的显示屏显示预览图像; 获取预设的照明参数;
令朝向被拍摄对象的显示屏釆用所述预设的照明参数提供照明; 根据拍摄指令拍摄图像。
2、 如权利要求 1所述的方法, 其特征在于, 所述获取预设的照明参数包 括:
在检测到摄像头启动后, 获取预设的照明参数。
3、 如权利要求 1所述的方法, 其特征在于, 所述获取预设的照明参数包 括:
在根据拍摄指令拍摄图像时 , 获取预设的照明参数。
4、 如权利要求 1-3任一项所述的方法, 其特征在于, 所述朝向拍摄者的 显示屏与所述朝向被拍摄对象的显示屏为同一显示屏, 所述显示屏包括显示 所述预览图像的显示区域和釆用所述预设的照明参数提供照明的照明区域。
5、 如权利要求 1-4任一项所述的方法, 其特征在于, 所述照明参数包括 背光色彩值、 色温值和背光亮度值中的至少一种。
6、 如权利要求 1-5任一项所述的方法, 其特征在于,
所述预览图像包括摄像头所釆集的真实图像以及模拟图像中的至少一 种。
7、 如权利要求 6所述的方法, 其特征在于, 所述模拟图像为, 模拟在显 示屏釆用所述预设的照明参数提供照明的场景下釆集的图像。
8、 如权利要求 6所述的方法, 其特征在于, 所述模拟图像为, 模拟显示 屏不釆用所述预设的照明参数提供照明的场景下釆集的图像。
9、 如权利要求 6所述的方法, 其特征在于, 所述模拟图像为, 对摄像头 所釆集的真实图像进行照明改善处理后的图像。
10、 如权利要求 1-9任一项所述的方法, 其特征在于, 所述获取预设的照 明参数是在确定光传感器釆集到的环境光亮度小于预设的亮度阔值后执行 的。
11、 如权利要求 10所述的方法, 其特征在于, 在所述获取预设的照明参 数之前, 所述方法还包括: 根据釆集到的环境光亮度, 设置所述照明参数。
12、 如权利要求 1-11任一项所述的方法, 其特征在于, 所述方法还包括: 在被拍摄者与所述摄像头之间的距离小于预设距离阔值时, 禁止与所述 摄像头同侧的闪光灯提供闪光, 所述与所述摄像头同侧的闪光灯指光线覆盖 范围和所述摄像头的取景范围一致的闪光灯。
13、 如权利要求 1-12所述的方法, 其特征在于, 还包括: 对拍摄到的图 像进行照明改善处理。
14、 如权利要求 9或 13所述的方法, 其特征在于, 所述照明改善处理包 括:
提升图像的整体亮度, 增强图像对比度和图像合成中的至少一种。
15、 一种拍摄装置, 其特征在于, 包括:
显示控制单元, 用于在检测到摄像头启动后, 指示朝向拍摄者的显示屏 显示预览图像;
照明参数获取单元, 用于获取预设的照明参数;
照明控制单元, 用于令朝向被拍摄对象的显示屏釆用所述照明参数获取 单元获取的所述预设的照明参数提供照明;
拍摄单元, 用于根据拍摄指令拍摄图像。
16、 如权利要求 15所述的装置, 其特征在于, 所述朝向拍摄者的显示屏 与所述朝向被拍摄对象的显示屏为同一显示屏, 所述显示屏包括显示区域和 照明区域;
在指示朝向拍摄者的显示屏显示预览图像方面, 所述显示控制单元具体 用于控制所述显示区域显示所述预览图像;
在令朝向被拍摄对象的显示屏釆用所述照明参数获取单元获取的所述预 设的照明参数提供照明方面, 所述照明控制单元具体用于控制所述照明区域 釆用所述预设的照明参数提供照明。
17、 如权利要求 15所述的装置, 其特征在于, 在指示朝向拍摄者的显示 屏显示预览图像方面, 所述显示控制单元具体用于指示所述朝向拍摄者的显 示屏显示摄像头所釆集的真实图像以及模拟图像中的至少一种。
18、 如权利要求 17所述的装置, 其特征在于, 还包括:
第一照明改善处理单元, 用于对摄像头所釆集的真实图像进行照明改善 处理;
所述模拟图像为经所述第一照明改善处理单元进行照明改善处理后的图 像。
19、 如权利要求 15-18任一项所述的装置, 其特征在于, 所述照明参数获 取单元是在确定光传感器釆集到的环境光亮度小于预设的亮度阔值后获取所 述预设的照明参数的。
20、 如权利要求 15或 19所述的装置, 其特征在于, 还包括:
设置单元, 用于在所述照明参数获取单元获取所述预设的照明参数之前, 根据光传感器釆集到的环境光亮度, 设置所述照明参数。
21、 如权利要求 15-20所述的装置, 其特征在于, 还包括:
禁止单元, 用于在被拍摄者与所述摄像头之间的距离小于预设距离阔值 时, 禁止与所述摄像头同侧的闪光灯提供闪光, 所述与所述摄像头同侧的闪 光灯指所述闪光灯的光线覆盖范围和所述摄像头的取景范围一致。
22、 如权利要求 15-21任一项所述的装置, 其特征在于, 还包括: 第二照明改善处理单元, 用于对拍摄到的图像进行照明改善处理。
23、 一种拍摄装置, 其特征在于, 至少包括处理器和存储器, 通过调用 所述存储器存储的程序或指令, 所述处理器用于:
在检测到摄像头启动后, 指示朝向拍摄者的显示屏显示预览图像; 获取预设的照明参数;
令朝向被拍摄对象的显示屏釆用所述预设的照明参数提供照明; 根据拍摄指令拍摄图像。 、 一种终端, 其特征在于, 至少包括显示屏、 摄像头, 以及, 如权利 - 23任一项所述的拍摄装置。
PCT/CN2014/081739 2013-12-31 2014-07-07 拍摄方法、装置及终端 WO2015101001A1 (zh)

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CN104754203A (zh) 2015-07-01
EP2905955A1 (en) 2015-08-12
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