发明名称 |
Image processing apparatus for data compression, control method, and computer-readable medium |
摘要 |
An image processing apparatus comprises: an unit configured to compress image data based on values of pixels and a layout of the pixels for each tile including the predetermined number of pixels; an unit configured to calculate a representative value from the values of the pixels included in the tile; an unit configured to determine based on a distribution of the representative values of tiles included in a first area including the first number of tiles whether or not a tile of interest included in the first area is to be corrected; an unit configured to calculate a correction value for the tile of interest based on the representative values of tiles included in a second area including the second number of tiles; and an unit configured to add representative values of the tiles, determination results of the tiles, and the correction value to the image data compressed.
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申请公布号 |
US8570627(B2) |
申请公布日期 |
2013.10.29 |
申请号 |
US201113159312 |
申请日期 |
2011.06.13 |
申请人 |
AOYAGI TAKESHI;CANON KABUSHIKI KAISHA |
发明人 |
AOYAGI TAKESHI |
分类号 |
G03F3/08;H04N1/46 |
主分类号 |
G03F3/08 |
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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