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Patent Searching and Data


Title:
IMAGE AUTO WHITE BALANCE METHOD AND APPARATUS
Document Type and Number:
WIPO Patent Application WO/2021/204202
Kind Code:
A1
Abstract:
The present application provides an image auto white balance method and apparatus. The method comprises: obtaining a photographing parameter used when a first camera of an electronic device captures an original RAW domain image; obtaining a multi-channel image corresponding to the original RAW domain image; inputting input data into a first neutral network model to obtain a first gain value for white balance, the input data comprising at least the photographing parameter of the first camera, and the multi-channel image; and performing first processing on the multi-channel image to obtain a target image, the first processing comprising a white balance processing based on the multi-channel image and the gain value. The implementation of embodiments of the present application can improve the accuracy and the stability of image auto white balance of the electronic device, and improve the user experience.

Inventors:
FENG SIBO (CN)
CHEN ZIYI (CN)
WAN LEI (CN)
JIA YANBING (CN)
ZHAI QIYAN (CN)
ZENG YIHUA (CN)
Application Number:
PCT/CN2021/085966
Publication Date:
October 14, 2021
Filing Date:
April 08, 2021
Export Citation:
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Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H04N9/04; H04N9/73
Foreign References:
CN107578390A2018-01-12
CN107343190A2017-11-10
CN109151426A2019-01-04
CN110647930A2020-01-03
Attorney, Agent or Firm:
SCIHEAD IP LAW FIRM (CN)
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