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公开(公告)号：US10602111B2
公开(公告)日：2020-03-24
申请号：US15697228
申请日：2017-09-06
Applicant: Apple Inc.
Inventor： Yonghui Zhao , Xuemei Zhang , Yingjun Bai , Gregory Guyomarc'h , Kosta Dabov
Abstract: Techniques for auto white balancing of captured images based on detection of flicker in ambient light is described. When flicker is detected in ambient light during an image capture event, and the flicker is unchanging during the image capture event, a white point of image data may be estimated according to a first technique. When flicker is detected in ambient light during an image capture event, and the flicker is changing during the image capture event, a white point of image data may be estimated according to a second technique. When flicker is not detected, a white point of image data may be estimated according to a third technique. Image data may be color corrected based on the estimated white point.
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公开(公告)号：US20180070068A1
公开(公告)日：2018-03-08
申请号：US15697228
申请日：2017-09-06
Applicant: Apple Inc.
Inventor： Yonghui Zhao , Xuemei Zhang , Yingjun Bai , Gregory Guyomarc'h , Kosta Dabov
CPC classification number: H04N9/735 , H04N5/23212 , H04N5/2357 , H04N5/3572 , H04N5/367 , H04N9/045 , H04N9/68
Abstract: Techniques for auto white balancing of captured images based on detection of flicker in ambient light is described. When flicker is detected in ambient light during an image capture event, and the flicker is unchanging during the image capture event, a white point of image data may be estimated according to a first technique. When flicker is detected in ambient light during an image capture event, and the flicker is changing during the image capture event, a white point of image data may be estimated according to a second technique. When flicker is not detected, a white point of image data may be estimated according to a third technique. Image data may be color corrected based on the estimated white point.
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