WO2017076047A1 - 用于相机开机时控制图像曝光收敛的方法和装置 - Google Patents

用于相机开机时控制图像曝光收敛的方法和装置 Download PDF

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Publication number
WO2017076047A1
WO2017076047A1 PCT/CN2016/089038 CN2016089038W WO2017076047A1 WO 2017076047 A1 WO2017076047 A1 WO 2017076047A1 CN 2016089038 W CN2016089038 W CN 2016089038W WO 2017076047 A1 WO2017076047 A1 WO 2017076047A1
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exposure
parameter
camera
exposure parameter
boundary
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French (fr)
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高聪
李振华
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Le Holdings Beijing Co Ltd
Lemobile Information Technology (Beijing) Co Ltd
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Le Holdings Beijing Co Ltd
Lemobile Information Technology (Beijing) Co Ltd
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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
    • H04N23/60—Control of cameras or camera modules
    • H04N23/62—Control of parameters via user interfaces
    • 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
    • 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
    • H04N23/73—Circuitry for compensating brightness variation in the scene by influencing the exposure time

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  • the embodiments of the present application relate to image processing technologies, and in particular, to a method and apparatus for controlling image exposure convergence when a camera is turned on.
  • the camera, mobile phone, Ipad and other terminal devices on the market have the process of auto-exposure convergence when the camera is turned on.
  • the performance of the screen image changes from dark to normal or from bright to normal. display.
  • the exposure parameter is controlled to start the initial exposure from a boundary value of the range, and when the exposure parameter corresponding to the convergence target differs greatly from the initial exposure parameter, the exposure converges time. It will be longer, and the corresponding image display process will be longer when booting, which will bring a bad experience to the user.
  • the embodiment of the present application provides a method and apparatus for controlling image exposure convergence when the camera is turned on, so as to shorten the AE convergence process of the image when the camera is turned on, and present a fast and smooth startup screen to the user.
  • the embodiment of the present application provides a method for controlling image exposure convergence when the camera is turned on, including: selecting a non-boundary exposure parameter in an exposure parameter range in response to a user turning on the camera;
  • the non-boundary exposure parameter is used as an initial exposure parameter to perform exposure convergence processing on the image at boot time until the exposure convergence process ends.
  • the embodiment of the present application further provides an apparatus for controlling image exposure convergence when the camera is turned on, comprising: a parameter selection module, configured to select a non-boundary exposure parameter in an exposure parameter range in response to a user turning on the camera; Processing module for adoption The non-boundary exposure parameter is used as an initial exposure parameter to perform exposure convergence processing on the image at startup until the exposure convergence process ends.
  • an embodiment of the present application provides an apparatus for controlling image exposure convergence when a camera is powered on, including a memory, one or more processors, and one or more programs, wherein the one or more programs are The one or more processors, when executed, perform an operation of: selecting a non-boundary exposure parameter in an exposure parameter range in response to a user's power-on operation of the camera; using the non-boundary exposure parameter as an initial exposure parameter The exposure convergence process is performed until the exposure convergence process ends.
  • embodiments of the present application provide a computer readable storage medium having stored thereon computer executable instructions that, in response to execution, control image exposure when the camera is turned on
  • the convincing device performs an operation, the operation includes: selecting a non-boundary exposure parameter in an exposure parameter range in response to a user's power-on operation to the camera; and performing exposure convergence processing on the image at startup using the non-boundary exposure parameter as an initial exposure parameter Until the end of the exposure convergence process.
  • the method and device for controlling image exposure convergence when the camera is turned on are provided by the embodiment of the present application. After the camera is turned on, the non-boundary exposure parameter in the exposure parameter range is selected as the initial exposure parameter to control the automatic exposure convergence of the image when the camera is turned on. The process, with exposure convergence from the boundary exposure parameter values, can shorten the exposure convergence time at a high probability.
  • FIG. 1 is a flow chart of a method for controlling an image exposure convergence when a camera is turned on according to the present application
  • FIG. 2 is a flow chart of a method for controlling another method for controlling image exposure convergence when a camera is turned on according to the present application;
  • FIG. 3 is a schematic structural diagram of an apparatus for controlling image exposure convergence when a camera is turned on according to the present application
  • FIG. 4 is a schematic structural diagram of another embodiment of an apparatus for controlling image exposure convergence when a camera is turned on according to the present application;
  • FIG. 5 is a schematic diagram of controlling image exposure convergence when a camera is turned on according to an embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of an embodiment of a computer program product for controlling image exposure convergence when a camera is turned on according to an embodiment of the present application.
  • 310-parameter selection module 320-exposure processing module, 330-parameter finding module, 340-parameter storage module.
  • the existing automatic exposure adjustment is based on the camera metering the image after each frame image is acquired, and then through the photometry result, the exposure parameters such as the exposure time and the amount of light received per unit time (corresponding to the highlight gain) Adjust to finally converge to the target value.
  • exposure compensation is like adding and subtracting the value of the metering, so that the compensated exposure value is more in line with our needs.
  • metering There are three main types of metering for existing cameras: matrix metering (average metering), center weight metering, and spot metering.
  • matrix metering average metering
  • center weight metering spot metering
  • spot metering spot metering
  • the main difference between the three metering methods is the difference in the metering area.
  • Matrix metering selects almost all fields of view for metering, and then sets the final value according to the brightness and color distribution.
  • the center weight is selected from the center of the screen.
  • Light spot metering is to select a point in the picture for metering.
  • the exposure convergence process is to adjust the exposure by means of center weight metering. When the range of incident light intensity exceeds the exposure control range, it can be adjusted by increasing the gain (at low brightness) or decreasing the gain (at high brightness).
  • the execution body of the method may be a camera with image acquisition and processing functions and a terminal device integrated with camera functions. Such as mobile phones, Ipad, etc.
  • the method for controlling image exposure convergence when the camera is turned on includes the following steps:
  • the solution selects the non-boundary exposure parameter in the exposure parameter range as the initial exposure parameter after responding to the user's power-on operation to the camera.
  • These non-boundary exposure parameters may be empirical values accumulated by those skilled in the art during long-term studies of the boot image exposure, which are closer to the target exposure convergence value.
  • the selected non-boundary exposure parameters are used as initial exposure parameters to perform exposure convergence processing on the image at startup.
  • the exposure convergence process is to adjust the value of the exposure parameter according to the photometry result of the acquired frame image until the image display meets the predetermined requirement, and the exposure convergence process ends.
  • the method for controlling image exposure convergence when the camera is turned on is provided by the embodiment, since the non-boundary exposure parameter value is utilized as the initial exposure parameter.
  • the non-boundary exposure parameter values may be empirical values summarized by those skilled in the art to enable the fast-exposure convergence of the boot image, so that the difference between the target and the exposure threshold value is greater than the boundary exposure parameter value.
  • the difference between the target exposure convergence parameter values is smaller, so that the exposure convergence process of the boot image is faster, and the user's operating experience is improved.
  • the method for controlling image exposure convergence when the camera is turned on includes the following steps:
  • S220 The found exposure parameter used when the last camera is turned on is used as the selected non-boundary exposure parameter. S220 can be regarded as a specific refinement of the foregoing S110. Or, after S210, if the camera is not found, the exposure used when the camera was turned on last time is stored. Parameters, then execute:
  • the embodiment also performs personalization selection when selecting initial exposure parameters.
  • the scheme updates the initial exposure parameter of the current time each time the user turns off the camera.
  • the program also presets the exposure parameters in the indoor environment in the camera.
  • an exposure parameter located at an intermediate position in the range of exposure parameters may be selected as the selected non-boundary exposure parameter.
  • the reason is that the exposure parameter located in the middle of the parameter range is the target exposure convergence value for any value in the exposure parameter range, and the corresponding exposure convergence time is the shortest from the average probability, which is suitable for the average brightness distribution of the camera. Case.
  • the S250 uses the non-boundary exposure parameter as the initial exposure parameter to perform exposure convergence processing on the image at startup, until the exposure convergence process ends.
  • the S250 has the same content as the front speed S120.
  • the final exposure parameters can be saved, and used as the initial exposure parameter value during the next camera startup.
  • the method for controlling image exposure convergence when the camera is turned on is provided by the embodiment of the present application.
  • the intermediate parameter value and the pre-stored parameter value in the exposure parameter range are further selected (the last camera is turned on)
  • the exposure parameters used in the time and the exposure parameters in the indoor environment) are used as the final selected initial exposure parameters to complete the phase.
  • FIG. 3 is a schematic structural diagram of an apparatus for controlling image exposure convergence when the camera is turned on according to the present application, which can be used to perform the method steps of the embodiment shown in FIG. 1.
  • the device comprises:
  • the parameter selection module 310 is configured to select a non-boundary exposure parameter in the range of the exposure parameter in response to the user's power-on operation of the camera; the exposure processing module 320 is configured to perform exposure convergence on the image when the image is turned on by using the non-boundary exposure parameter as the initial exposure parameter. Process until the end of the exposure convergence process.
  • the parameter selection module 310 may be specifically configured to select an exposure parameter located at an intermediate position in the range of the exposure parameter as the selected non-boundary exposure parameter.
  • the device for controlling image exposure convergence when the camera is turned on may further include: a parameter searching module 330, configured to: in response to a user booting operation of the camera, find whether the camera is stored with the last time the camera was turned on. Exposure parameters.
  • the parameter selection module 310 can also be used to select the exposure parameter used by the parameter search module 330 when the last camera was turned on as the selected non-boundary exposure parameter, or the parameter search module 330 does not find the last time.
  • the device for controlling image exposure convergence when the camera is turned on may further include: a parameter saving module 340, configured to save the last adopted exposure parameter in the camera after the exposure convergence process ends.
  • the apparatus for controlling image exposure convergence when the camera is turned on in the embodiment of the present application utilizes a non-boundary exposure parameter value as an initial exposure parameter.
  • the non-boundary exposure parameter values may be empirical values summarized by those skilled in the art to enable the fast-exposure convergence of the boot image, so that the difference between the target and the exposure threshold value is greater than the boundary exposure parameter value.
  • the difference in the target exposure convergence parameter value is smaller, thus making the opening
  • the exposure convergence process of the machine image is faster and improves the user's operating experience.
  • the intermediate parameter value in the exposure parameter range, the pre-stored parameter value (the exposure parameter used when the camera was turned on last time, and the exposure parameter in the indoor environment) are used as the final selected initial exposure parameters to complete the process of camera boot exposure convergence. . In this way, the exposure convergence time of the boot image can be shortened more effectively.
  • FIG. 5 is a schematic structural diagram of still another embodiment of an apparatus for controlling image exposure convergence when a camera is turned on according to an embodiment of the present application.
  • the terminal device of the embodiment of the present application includes: a memory 41, one or more processors 42, and one or more programs 43.
  • the one or more programs 43 perform any one of the above embodiments when executed by one or more processors 42.
  • the device for controlling image exposure convergence when the camera is turned on is provided by the embodiment of the present application. After the camera is turned on, the non-boundary exposure parameter in the exposure parameter range is selected as an initial exposure parameter to control the automatic exposure convergence process of the image when the camera is turned on. Exposure convergence starts from the boundary exposure parameter value, and the exposure convergence time can be shortened in a large probability.
  • FIG. 6 is a schematic structural diagram of an embodiment of a computer program product for controlling image exposure convergence when a camera is turned on according to an embodiment of the present application.
  • the computer program product 51 for controlling image exposure convergence when the camera is turned on according to an embodiment of the present application may include a signal bearing medium 52.
  • Signal bearing medium 52 may include one or more instructions 53 that, when executed by, for example, a processor, may provide the functionality described above with respect to Figures 1-4.
  • the instructions 53 can include: one or more instructions for selecting a non-boundary exposure parameter in the range of exposure parameters in response to a user's power-on operation of the camera; and for employing the non-boundary exposure parameter as an initial exposure parameter pair
  • the image is subjected to exposure convergence processing at boot time until one or more instructions at the end of the exposure convergence process. Therefore, for example, referring to FIG. 3, the image exposure convergence is controlled when the camera is turned on.
  • the device may perform one or more of the steps shown in FIG. 1 in response to instruction 53.
  • signal bearing medium 52 can include computer readable media 54, such as but not limited to a hard disk drive, a compact disk (CD), a digital versatile disk (DVD), a digital tape, a memory, and the like.
  • the signal bearing medium 52 can include a recordable medium 55 such as, but not limited to, a memory, a read/write (R/W) CD, an R/W DVD, and the like.
  • signal bearing medium 52 can include communication medium 56 such as, but not limited to, digital and/or analog communication media (eg, fiber optic cables, waveguides, wired communication links, wireless communication links, and the like).
  • the computer program product 51 can be transmitted by the RF signal bearing medium 52 to one or more modules of the identification device of the multi-finger swipe gesture, wherein the signal bearing medium 52 is comprised of a wireless communication medium (eg, wireless compliant with the IEEE 802.11 standard) Communication medium) transmission.
  • a wireless communication medium eg, wireless compliant with the IEEE 802.11 standard
  • the computer program product of the embodiment of the present application after the camera is turned on, selects the non-boundary exposure parameter in the exposure parameter range as the initial exposure parameter to control the automatic exposure convergence process of the image when the camera is turned on, and performs exposure from the boundary exposure parameter value. Convergence can shorten the exposure convergence time at a high probability.

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Abstract

本申请实施例涉及一种用于相机开机时控制图像曝光收敛的方法和装置，所述方法包括：响应于用户对相机的开机操作，选取曝光参数范围中的非边界曝光参数；采用所述非边界曝光参数作为初始曝光参数对开机时图像进行曝光收敛处理，直至曝光收敛过程结束。本申请实施例可缩短相机在开机时图像的AE收敛过程，呈现给用户快速、流畅的开机画面。

Description

用于相机开机时控制图像曝光收敛的方法和装置
本专利申请要求申请日为2015年11月08日、申请号为2015107582900的中国专利申请的优先权，并将上述专利申请以引用的方式全文引入本文中。
技术领域
本申请实施例涉及图像处理技术，尤其涉及一种用于相机开机时控制图像曝光收敛的方法和装置。
背景技术
目前，市面上的相机、手机、Ipad等终端设备在开机相机功能时，都会存在开机时图像自动曝光收敛的过程，其表现为屏幕图像从黑暗逐渐变为正常显示或者由很亮逐渐收敛为正常显示。
由于现有的相机开机的图像曝光收敛的过程，是控制曝光参数从其范围的一个边界值开始进行初始曝光，而当收敛目标对应的曝光参数与初始曝光参数相差较大时，曝光收敛的时间就会较长，对应的开机时图像显示的过程就会较长，给用户带来不好的体验感受。
发明内容
本申请实施例提供一种用于相机开机时控制图像曝光收敛的方法和装置，以缩短相机在开机时图像的AE收敛过程，呈现给用户快速、流畅的开机画面。
为达到上述目的，本申请实施例提供了一种用于相机开机时控制图像曝光收敛的方法，包括：响应于用户对相机的开机操作，选取曝光参数范围中的非边界曝光参数；采用所述非边界曝光参数作为初始曝光参数对开机时图像进行曝光收敛处理，直至曝光收敛过程结束。
本申请实施例还提供了一种用于相机开机时控制图像曝光收敛的装置，包括：参数选取模块，用于响应于用户对相机的开机操作，选取曝光参数范围中的非边界曝光参数；曝光处理模块，用于采用 所述非边界曝光参数作为初始曝光参数对开机时图像进行曝光收敛处理，直至曝光收敛过程结束。
另一方面，本申请实施例提供一种用于相机开机时控制图像曝光收敛的装置，包括存储器、一个或多个处理器以及一个或多个程序，其中，所述一个或多个程序在由所述一个或多个处理器执行时执行下述操作：响应于用户对相机的开机操作，选取曝光参数范围中的非边界曝光参数；采用所述非边界曝光参数作为初始曝光参数对开机时图像进行曝光收敛处理，直至曝光收敛过程结束。
另一方面，本申请实施例提供一种计算机可读存储介质，所述计算机可读存储介质上存储有计算机可执行指令，所述计算机可执行指令响应于执行使得用于相机开机时控制图像曝光收敛的装置执行操作，所述操作包括：响应于用户对相机的开机操作，选取曝光参数范围中的非边界曝光参数；采用所述非边界曝光参数作为初始曝光参数对开机时图像进行曝光收敛处理，直至曝光收敛过程结束。本申请实施例提供的用于相机开机时控制图像曝光收敛的方法和装置，在相机开启后，选取曝光参数范围中非边界的曝光参数作为初始的曝光参数控制相机执行开机时图像的自动曝光收敛过程，与从边界曝光参数值开始进行曝光收敛，在很大几率上能够缩短曝光收敛时间。
附图说明
图1为本申请提供的用于相机开机时控制图像曝光收敛的方法一个实施例的方法流程图；
图2为本申请提供的用于相机开机时控制图像曝光收敛的方法另一个实施例的方法流程图；
图3为本申请提供的用于相机开机时控制图像曝光收敛的装置一个实施例的结构示意图；
图4为本申请提供的用于相机开机时控制图像曝光收敛的装置另一个实施例的结构示意图；
图5为本申请实施例提供的用于相机开机时控制图像曝光收敛 的装置的又一个实施例的结构示意图；
图6为本申请实施例提供的用于相机开机时控制图像曝光收敛的计算机程序产品一个实施例的结构示意图。
附图标记说明：
310-参数选取模块、320-曝光处理模块、330-参数查找模块、340-参数存储模块。
具体实施方式
现有自动曝光的调节，是基于相机在每次采集帧图像后，对图像进行测光，然后通过测光结果，对曝光参数如曝光时间以及单位时间接收的光量(对应于高光增益gain)进行调节，以最终收敛到目标值。通俗地讲，曝光补偿就像是在测光的数值上做加减法，从而使补偿后的曝光值更符合我们的需要。
现有相机的测光方式主要包括3种：矩阵测光(平均测光)、中心权重测光和点测光。这3种测光方式的主要区别在于测光区域的不同，矩阵测光选取几乎全部视野区域进行测光，再根据亮度、色彩的分布设定最终数值；中心权重是选取画面中央圆形区域测光；点测光是选取画面中的一点进行测光。本方案中，曝光收敛过程是是经过中心权重测光的方式来调节曝光。当入射光强的变化范围超出了曝光的控制范围时，可通过提高增益(在低亮度时)或降低增益(在高亮度时)来调节。
实施例一
图1为本申请提供的用于相机开机时控制图像曝光收敛的方法一个实施例的方法流程图，该方法的执行主体可以为具有图像采集和处理功能的相机和集成有相机功能的终端设备，如手机、Ipad等。如图1所示，该用于相机开机时控制图像曝光收敛的方法包括如下步骤：
S110，响应于用户对相机的开机操作，选取曝光参数范围中的非边界曝光参数。
考虑到现有技术中普遍采用从曝光参数的范围值中的一个边界值向另一个边界值收敛调节过程，而这种过程很可能造成目标收敛值与初始曝光参数差距较大，造成曝光收敛过程较长。因此，本方案在响应于用户对相机的开机操作后，选取曝光参数范围中的非边界曝光参数作为初始的曝光参数。这些非边界曝光参数可以是本领域技术人员在长期研究开机图像曝光时积累的经验值，这些经验值与目标曝光收敛值在很大几率上更为接近。
S120，采用非边界曝光参数作为初始曝光参数对开机时图像进行曝光收敛处理，直至曝光收敛过程结束。
将选取的非边界曝光参数作为初始曝光参数对开机时图像进行曝光收敛处理。所谓曝光收敛处理为，根据对采集的帧图像的测光结果对曝光参数的值进行调整，直至图像显示符合预定要求，曝光收敛过程才结束。
本实施例提供的用于相机开机时控制图像曝光收敛的方法，由于利用了非边界的曝光参数值作为初始的曝光参数。而这些非边界的曝光参数值可以是本领域技术人员总结出的使开机画面能快速曝光收敛的经验值，因此在很大几率上其与目标曝光收敛参数值的差值较边界曝光参数值与目标曝光收敛参数值的差值更小，从而使得开机图像的曝光收敛过程更快，提高用户的操作体验。
实施例二
图2为本申请提供的用于相机开机时控制图像曝光收敛的方法另一个实施例的方法流程图。可视为对图1所示实施例方法的补充和细化。如图2所示，该用于相机开机时控制图像曝光收敛的方法包括如下步骤：
S210，响应于用户对相机的开机操作，查找相机中是否存储有上一次相机开机时采用的曝光参数。
S220，将查找到的上一次相机开机时采用的曝光参数作为选取的非边界曝光参数。S220可视为前述S110的具体细化。或者，在S210之后，若未查找到相机中存储有上一次相机开机时采用的曝光 参数，则执行：
S230，将预设的室内环境下的曝光参数作为选取的所述非边界曝光参数。
在实际的生活场景中，用户使用相机的环境千差万别，个性化因素较强。因此本实施例在选取初始曝光参数时也进行了个性化选取。考虑到用户习惯在特定光线环境下打开相机拍照录像，本方案将用户在每次关闭相机时更新保存当次的初始曝光参数。同时，考虑到用户经常在室内打开相机拍照录像，且室内的光线亮度也基本恒定在某一特定的曝光参数范围，因此，本方案在相机中也预设了室内环境下的曝光参数。
可替换的，在选取曝光参数范围中的非边界曝光参数时，也可执行：
S240，响应于用户对相机的开机操作，选取曝光参数范围中位于中间位置的曝光参数作为选取的所述非边界曝光参数。
具体地，作为本领域技术人员的经验值，可选取曝光参数范围中位于中间位置的曝光参数作为选取的非边界曝光参数。原因是，位于参数范围中间位置的曝光参数对于曝光参数范围中任一值作为目标曝光收敛值，从平均概率上讲其对应的曝光收敛时长都是最短的，适用于相机开启的亮度环境平均分布的情况。
在通过前述任一方式选取到非边界曝光参数后，执行：
S250，采用非边界曝光参数作为初始曝光参数对开机时图像进行曝光收敛处理，直至曝光收敛过程结束。S250与前速S120内容相同。
在曝光收敛过程结束后，可将本次最终采用的曝光参数进行保存，一遍下次相机开机过程中，作为初始的曝光参数值使用。
本申请实施例提供的用于相机开机时控制图像曝光收敛的方法，在图1所示方法实施例的基础上，进一步选取曝光参数范围中的中间参数值、预存的参数值(上一次相机开机时采用的曝光参数和室内环境下的曝光参数)作为最终选取的初始曝光参数，完成相 机开机曝光收敛的过程。如此，可更有效的缩短开机图像的曝光收敛时间。
实施例三
如图3所示为本申请提供的用于相机开机时控制图像曝光收敛的装置一个实施例的结构示意图，可用于执行如图1所示实施例的方法步骤。如图3所示，该装置包括：
参数选取模块310，用于响应于用户对相机的开机操作，选取曝光参数范围中的非边界曝光参数；曝光处理模块320，用于采用非边界曝光参数作为初始曝光参数对开机时图像进行曝光收敛处理，直至曝光收敛过程结束。
在此基础上，如图4所示，上述参数选取模块310可具体用于选取曝光参数范围中位于中间位置的曝光参数作为选取的所述非边界曝光参数。
可选地，上述用于相机开机时控制图像曝光收敛的装置中还可包括：参数查找模块330，用于响应于用户对相机的开机操作，查找相机中是否存储有上一次相机开机时采用的曝光参数。
在此基础上，参数选取模块310具体还可用于将参数查找模块330查找到的上一次相机开机时采用的曝光参数作为选取的非边界曝光参数，或者，在参数查找模块330未查找到上一次相机开机时采用的曝光参数，参数选取模块310将预设的室内环境下的曝光参数作为选取的非边界曝光参数。
进一步的，上述用于相机开机时控制图像曝光收敛的装置中还可包括：参数保存模块340，用于在曝光收敛过程结束后，保存本次最后采用的曝光参数于相机中。
本申请实施例的用于相机开机时控制图像曝光收敛的装置，于利用了非边界的曝光参数值作为初始的曝光参数。而这些非边界的曝光参数值可以是本领域技术人员总结出的使开机画面能快速曝光收敛的经验值，因此在很大几率上其与目标曝光收敛参数值的差值较边界曝光参数值与目标曝光收敛参数值的差值更小，从而使得开 机图像的曝光收敛过程更快，提高用户的操作体验。
进一步地，将曝光参数范围中的中间参数值、预存的参数值(上一次相机开机时采用的曝光参数和室内环境下的曝光参数)作为最终选取的初始曝光参数，完成相机开机曝光收敛的过程。如此，可更有效的缩短开机图像的曝光收敛时间。
实施例四
图5为本申请实施例提供的用于相机开机时控制图像曝光收敛的装置的又一个实施例的结构示意图。如图5所示，本申请实施例的终端设备包括：存储器41、一个或多个处理器42以及一个或多个程序43。
其中，所述一个或多个程序43在由一个或多个处理器42执行时执行上述实施例中的任意一种方法。本申请实施例提供的用于相机开机时控制图像曝光收敛的装置，在相机开启后，选取曝光参数范围中非边界的曝光参数作为初始的曝光参数控制相机执行开机时图像的自动曝光收敛过程，与从边界曝光参数值开始进行曝光收敛，在很大几率上能够缩短曝光收敛时间。
实施例五
图6为本申请实施例提供的用于相机开机时控制图像曝光收敛的计算机程序产品一个实施例的结构示意图。如图6所示，本申请实施例的用于相机开机时控制图像曝光收敛的计算机程序产品51，可以包括信号承载介质52。信号承载介质52可以包括一个或更多个指令53，该指令53在由例如处理器执行时，处理器可以提供以上针对图1-4描述的功能。例如，指令53可以包括：用于响应于用户对相机的开机操作，选取曝光参数范围中的非边界曝光参数的一个或多个指令；以及用于采用所述非边界曝光参数作为初始曝光参数对开机时图像进行曝光收敛处理，直至曝光收敛过程结束的一个或多个指令。因此，例如，参照图3，用于相机开机时控制图像曝光收敛的 装置可以响应于指令53来进行图1中所示的步骤中的一个或更多个。
在一些实现中，信号承载介质52可以包括计算机可读介质54，诸如但不限于硬盘驱动器、压缩盘(CD)、数字通用盘(DVD)、数字带、存储器等。在一些实现中，信号承载介质52可以包括可记录介质55，诸如但不限于存储器、读/写(R/W)CD、R/W DVD等。在一些实现中，信号承载介质52可以包括通信介质56，诸如但不限于数字和/或模拟通信介质(例如，光纤线缆、波导、有线通信链路、无线通信链路等)。因此，例如，计算机程序产品51可以通过RF信号承载介质52传送给多指滑动手势的识别装置的一个或多个模块，其中，信号承载介质52由无线通信介质(例如，符合IEEE 802.11标准的无线通信介质)传送。
本申请实施例的计算机程序产品，在相机开启后，选取曝光参数范围中非边界的曝光参数作为初始的曝光参数控制相机执行开机时图像的自动曝光收敛过程，与从边界曝光参数值开始进行曝光收敛，在很大几率上能够缩短曝光收敛时间。
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到各实施方式可借助软件加必需的通用硬件平台的方式来实现，当然也可以通过硬件。基于这样的理解，上述技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品可以存储在计算机可读存储介质中，如ROM/RAM、磁碟、光盘等，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行各个实施例或者实施例的某些部分所述的方法。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应以所述权利要求的保护范围为准。

Claims (10)

  1. 一种用于相机开机时控制图像曝光收敛的方法，其特征在于，所述方法包括：
    响应于用户对相机的开机操作，选取曝光参数范围中的非边界曝光参数；
    采用所述非边界曝光参数作为初始曝光参数对开机时图像进行曝光收敛处理，直至曝光收敛过程结束。
  2. 根据权利要求1所述的方法，其特征在于，所述响应于用户对相机的开机操作，选取曝光参数范围中的非边界曝光参数包括：
    选取所述曝光参数范围中位于中间位置的曝光参数作为选取的所述非边界曝光参数。
  3. 根据权利要求1所述的方法，其特征在于，所述方法还包括：
    响应于用户对相机的开机操作，查找相机中是否存储有上一次相机开机时采用的曝光参数：
    所述选取曝光参数范围中的非边界曝光参数包括：将查找到的上一次相机开机时采用的曝光参数作为选取的所述非边界曝光参数。
  4. 根据权利要求3所述的方法，其特征在于，所述方法还包括：
    若未查找到上一次相机开机时采用的曝光参数，则将预设的室内环境下的曝光参数作为选取的所述非边界曝光参数。
  5. 根据权利要求1-4任一项所述的方法，其特征在于，所述方法还包括：
    在所述曝光收敛过程结束后，保存本次最后采用的曝光参数于相机中。
  6. 一种用于相机开机时控制图像曝光收敛的装置，其特征在于，所述方法包括：
    参数选取模块，用于响应于用户对相机的开机操作，选取曝光参数范围中的非边界曝光参数；
    曝光处理模块，用于采用所述非边界曝光参数作为初始曝光参 数对开机时图像进行曝光收敛处理，直至曝光收敛过程结束。
  7. 根据权利要求6所述的装置，其特征在于，所述参数选取模块具体用于选取所述曝光参数范围中位于中间位置的曝光参数作为选取的所述非边界曝光参数。
  8. 根据权利要求6所述的装置，其特征在于，所述装置还包括：
    参数查找模块，用于响应于用户对相机的开机操作，查找相机中是否存储有上一次相机开机时采用的曝光参数：
    所述参数选取模块具体还用于将所述参数查找模块查找到的上一次相机开机时采用的曝光参数作为选取的所述非边界曝光参数。
  9. 根据权利要求8所述的装置，其特征在于，所述参数选取模块具体还用于，若所述参数查找模块未查找到上一次相机开机时采用的曝光参数，则将预设的室内环境下的曝光参数作为选取的所述非边界曝光参数。
  10. 根据权利要求6-9任一项所述的装置，其特征在于，所述装置好包括：
    参数保存模块，用于在所述曝光收敛过程结束后，保存本次最后采用的曝光参数于相机中。
PCT/CN2016/089038 2015-11-08 2016-07-07 用于相机开机时控制图像曝光收敛的方法和装置 Ceased WO2017076047A1 (zh)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105657245A (zh) * 2015-11-08 2016-06-08 乐视移动智能信息技术（北京）有限公司 用于相机开机时控制图像曝光收敛的方法和装置
CN109361866B (zh) * 2018-11-21 2021-03-02 豪威科技(上海)有限公司 一种自动曝光控制方法及系统
CN113011227B (zh) * 2019-12-19 2024-01-26 合肥君正科技有限公司 一种遮挡检测中背景更新预判断期间避免误报的辅助检测方法
CN116320714B (zh) * 2023-03-07 2025-09-09 广州安凯微电子股份有限公司 图像采集方法、装置、设备、存储介质和程序产品
CN117560576B (zh) * 2023-11-13 2024-05-07 四川新视创伟超高清科技有限公司 一种焦平面区域的曝光方法及曝光系统

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6621987B1 (en) * 2003-01-29 2003-09-16 Novatek Microelectronics Corp. Method of fast converging appropriate exposure value
CN1504823A (zh) * 2002-12-05 2004-06-16 ӡ�����Ƽ��ɷ����޹�˾ 适当曝光值的快速收敛方法
US20110298886A1 (en) * 2010-06-06 2011-12-08 Apple, Inc. Auto Exposure Techniques for Variable Lighting Conditions
CN102369723A (zh) * 2011-08-29 2012-03-07 华为终端有限公司 自动曝光方法、装置和成像设备
CN104869322A (zh) * 2015-05-06 2015-08-26 惠州Tcl移动通信有限公司 移动终端基于眼纹识别的摄像头自适应调节方法及系统
CN105657245A (zh) * 2015-11-08 2016-06-08 乐视移动智能信息技术（北京）有限公司 用于相机开机时控制图像曝光收敛的方法和装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1525228A (zh) * 2003-02-24 2004-09-01 ��嫿Ƽ��ɷ����޹�˾ 一种自动修正数字影像设备曝光条件的装置与方法
US20060182430A1 (en) * 2005-02-15 2006-08-17 Stavely Donald J Camera exposure program coupled to image stabilization capability

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1504823A (zh) * 2002-12-05 2004-06-16 ӡ�����Ƽ��ɷ����޹�˾ 适当曝光值的快速收敛方法
US6621987B1 (en) * 2003-01-29 2003-09-16 Novatek Microelectronics Corp. Method of fast converging appropriate exposure value
US20110298886A1 (en) * 2010-06-06 2011-12-08 Apple, Inc. Auto Exposure Techniques for Variable Lighting Conditions
CN102369723A (zh) * 2011-08-29 2012-03-07 华为终端有限公司 自动曝光方法、装置和成像设备
CN104869322A (zh) * 2015-05-06 2015-08-26 惠州Tcl移动通信有限公司 移动终端基于眼纹识别的摄像头自适应调节方法及系统
CN105657245A (zh) * 2015-11-08 2016-06-08 乐视移动智能信息技术（北京）有限公司 用于相机开机时控制图像曝光收敛的方法和装置

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