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Title:
AI AUTOMATIC WHITE BALANCE ALGORITHM AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/257713
Kind Code:
A1
Abstract:
The present application provides an AI automatic white balance algorithm and an electronic device. The algorithm comprises: performing calculation processing on an image by means of a first FFCC model, a second FFCC model, a third FFCC model and a fourth FFCC model, so as to obtain a first adjustment value, a second adjustment value, a third adjustment value and a fourth adjustment value of the image (S504 and S509); and then inputting the four adjustment values into a Kalman filter for calculation, so as to obtain an adjustment value of the image (S510). An adjustment value of an image that is obtained by means of the AI automatic white balance algorithm is an adjustment value having extremely high accuracy. When an image signal processor (ISP) adjusts the color of the image by using the adjustment value of the image, a chromatic aberration of the image can be better corrected, such that a white balance effect of the image is better.

Inventors:
QIAN YANLIN (CN)
XI DONGMIAO (CN)
JIN MENG (CN)
LUO GANG (CN)
ZHU CONGCHAO (CN)
Application Number:
PCT/CN2022/093491
Publication Date:
December 15, 2022
Filing Date:
May 18, 2022
Export Citation:
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Assignee:
HONOR DEVICE CO LTD (CN)
International Classes:
H04N9/73
Domestic Patent References:
WO2021051382A12021-03-25
Foreign References:
US20200051225A12020-02-13
US20190253683A12019-08-15
US20100225780A12010-09-09
JP2015061156A2015-03-30
KR20030009624A2003-02-05
CN109348206A2019-02-15
Other References:
BARRON, J. T. ET AL.: "Fast Fourier Color Constancy", 2017 IEEE CONFERENCE ON COMPUTER VISION AND PATTERN RECOGNITION (CVPR, 21 July 2017 (2017-07-21), Honolulu, HI, USA, pages 6950 - 6958, XP033250061, ISSN: 1063-6919, DOI: 10.1109/CVPR.2017.735
Attorney, Agent or Firm:
SCIHEAD IP LAW FIRM (CN)
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