发明申请
- 专利标题: REDUCED PRE-FLASH FOR LED FLASH BASED CAMERA DEVICES
- 专利标题(中): 基于LED闪光灯相机的减少预闪
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申请号: US12971571申请日: 2010-12-17
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公开(公告)号: US20120155846A1公开(公告)日: 2012-06-21
- 发明人: Yochanan Cliel Manoach Gilbert-Schachter , Qian Wang
- 申请人: Yochanan Cliel Manoach Gilbert-Schachter , Qian Wang
- 申请人地址: CA Waterloo
- 专利权人: RESEARCH IN MOTION LIMITED
- 当前专利权人: RESEARCH IN MOTION LIMITED
- 当前专利权人地址: CA Waterloo
- 主分类号: G03B13/00
- IPC分类号: G03B13/00 ; G03B15/03
摘要:
A mobile device comprising a processor, a camera module, and a flash configured to generate at least one of a reduced pre-flash, a standard pre-flash and a flash. The processor, in response to receiving an image capture request, is configured to receive a brightness value and determine a flash status based on a flash setting with the flash status being one of an off mode, on mode, and auto mode. In the event the flash status is one of the on mode and auto mode, determine whether there is sufficient light to capture an image based at least in part on a comparison of the brightness value and a flash threshold. In the event the brightness value is greater than the flash threshold, cause the flash to generate a shortened pre-flash and obtain only a white balance measurement and an auto-exposure measurement during the shortened pre-flash.
公开/授权文献
- US08391702B2 Reduced pre-flash for LED flash based camera devices 公开/授权日:2013-03-05
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