发明名称 |
IMAGE PROCESSING DEVICE, METHOD THEREOF, AND A COMPUTER READABLE NON TRANSITORY STORAGE MEDIUM STORING AN IMAGE PROCESSING PROGRAM |
摘要 |
An image processing device includes, a block division unit configured to divide at least a part of an area of an input image into a plurality of blocks; a block classification unit configured to classify each block in the input image into a white block and a black block based on a variance of luminance values in a white block that typically includes white pixels and a variance of luminance values in a black block that includes at least black pixels among white pixels and black pixels; and a luminance correction unit configured to correct a luminance value of each pixel in a black block in the input image based on an average luminance value of pixels in one or more white blocks in the vicinity of the black block.
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申请公布号 |
US2011317935(A1) |
申请公布日期 |
2011.12.29 |
申请号 |
US201113104599 |
申请日期 |
2011.05.10 |
申请人 |
ANAN TAIZO;TAKAHASHI JUN;KURAKI KENSUKE;NAKAGATA SHOHEI;FUJITSU LIMITED |
发明人 |
ANAN TAIZO;TAKAHASHI JUN;KURAKI KENSUKE;NAKAGATA SHOHEI |
分类号 |
G06K9/40 |
主分类号 |
G06K9/40 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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