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Method and apparatus for controlling image capture

An image capture and image technology, applied in the field of image processing, can solve problems such as failures and achieve high-quality results

Active Publication Date: 2015-09-30
NOKIA TECH OY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this method will fail when there are no obvious white objects in the scene that can be used as reference objects

Method used

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  • Method and apparatus for controlling image capture
  • Method and apparatus for controlling image capture
  • Method and apparatus for controlling image capture

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Embodiment Construction

[0018] As outlined above and discussed in detail below, one of the main ideas of the present invention is that while the user is capturing an image using one camera (e.g. a rear camera) on the electronic device, another independent A camera (for example, a front camera) to obtain information about the user's eyes. Since the human eye can provide stable reference information (for example, sclera color, pupil ratio, etc.) . Thus, environmental parameters estimated by one camera can be used to control the capture of images by another camera, eg, perform automatic exposure and / or automatic white balance processing. In this way, higher quality images can be obtained. Moreover, in some embodiments, the environment detection can be customized for different users, so as to further improve user experience.

[0019] Note that in the context of this disclosure, the term "image" is used to include both still images and moving images (ie, video). In addition, the term "capture of an im...

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Abstract

The embodiment of the invention relates to a method and apparatus for controlling image capture. The method for detecting an environment parameter to control image capture is disclosed. The method comprises: a first camera arranged on electronic equipment is used to obtain eye information of the user of the electronic equipment; on the basis of the eye information captured by the first camera, an environment parameter of the environment where the user is located is detected; and a second camera arranged on the electronic equipment is controlled to capture an image at least partially based on the detected environment parameter. The first camera and the second camera are located at the different sides of the electronic equipment. In addition, a corresponding apparatus, electronic equipment, and a computer program product are also disclosed.

Description

technical field [0001] Embodiments of the present invention relate to the field of image processing, and more particularly, to methods and apparatus for detecting environmental parameters to control image capture. Background technique [0002] With the development of image acquisition and processing technologies, more and more user devices have the function of image capture. For example, most of today's handheld mobile devices (eg, mobile phones, personal digital assistants PDAs, tablet computers, etc.) are equipped with cameras capable of capturing images. When a user uses such a mobile device to capture images, environmental parameters such as illumination and color temperature will generally change with different environments, and these environmental parameters have a direct impact on image capture. For example, depending on different environmental parameters, the camera needs to adjust its exposure time, sensor sensitivity, gain of different color channels and / or automa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/232G02B7/28G03B7/08G03B15/00G03B19/07G06V10/147H04N23/13
CPCG03B7/08H04N1/6086G03B7/099G06V40/19G06V10/147H04N23/61H04N23/611H04N23/71H04N23/88G06V40/193H04N23/13G06T7/80G06T7/90G06T2207/10024G06T2207/30041
Inventor 褚为利郭凤阳
Owner NOKIA TECH OY