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公开(公告)号：US09390475B2
公开(公告)日：2016-07-12
申请号：US14566020
申请日：2014-12-10
Applicant: Huawei Device Co., Ltd.
CPC classification number: G06T5/00 , G06T7/0002 , G06T7/11 , G06T7/136 , G06T7/194 , G06T2207/30168 , H04N5/2351
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.
Abstract translation: 一种背光检测方法和装置，该方法包括：获取待检查图像中每个图像块的亮度值，根据每个图像块的亮度值确定相邻图像块之间的亮度关系; 以及根据相邻图像块之间的亮度关系确定待检查图像中的暗区域和亮区域，并根据暗区域和明亮区域确定待检查图像是否为背光场景 地区。 由本发明实施例提供的背光检测方法和装置可以提高背光检测的精度。
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公开(公告)号：US20150093040A1
公开(公告)日：2015-04-02
申请号：US14566020
申请日：2014-12-10
Applicant: Huawei Device Co., Ltd.
IPC: G06T5/00
CPC classification number: G06T5/00 , G06T7/0002 , G06T7/11 , G06T7/136 , G06T7/194 , G06T2207/30168 , H04N5/2351
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.
Abstract translation: 一种背光检测方法和装置，该方法包括：获取待检查图像中每个图像块的亮度值，根据每个图像块的亮度值确定相邻图像块之间的亮度关系; 以及根据相邻图像块之间的亮度关系确定待检查图像中的暗区域和亮区域，并根据暗区域和明亮区域确定待检查图像是否为背光场景 地区。 由本发明实施例提供的背光检测方法和装置可以提高背光检测的精度。
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