Invention Grant
- Patent Title: Backlight detection method and device
- Patent Title (中): 背光检测方法及装置
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Application No.: US14566020Application Date: 2014-12-10
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Publication No.: US09390475B2Publication Date: 2016-07-12
- Inventor: Hua Zhou , Wei Luo , Bin Deng , Cheng Du
- Applicant: Huawei Device Co., Ltd.
- Applicant Address: CN Shenzhen
- Assignee: Huawei Device Co., Ltd.
- Current Assignee: Huawei Device Co., Ltd.
- Current Assignee Address: CN Shenzhen
- Agency: Conley Rose, P.C.
- Agent Grant Rodolph
- Priority: CN201310005069 20130107
- Main IPC: G06K9/40
- IPC: G06K9/40 ; G06T5/00 ; H04N5/235 ; G06T7/00

Abstract:
A backlight detection method and device, and the method includes acquiring a brightness value of each image block in a to-be-checked image, determining a brightness relationship between the adjacent image blocks according to the brightness value of each image block; and determining a dark region and a bright region in the to-be-checked image according to the brightness relationship between the adjacent image blocks, and determining whether the to-be-checked image is a backlight scenario according to the dark region and the bright region. The backlight detection method and device provided by the embodiments of the present invention can improve accuracy of backlight detection.
Public/Granted literature
- US20150093040A1 Backlight Detection Method and Device Public/Granted day:2015-04-02
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