发明名称 |
IMAGE PROCESSING APPARATUS AND METHOD OF CONTROLLING THE SAME |
摘要 |
In an image processing apparatus for encoding image data and a method of controlling the same, whether an attribute of each of a plurality of areas in image data corresponds to an edge in an image based on the image data is determined, and one of a plurality of sub-sampling processes is selected according to the determination for each of the plurality of areas. Note that the plurality of sub-sampling processes can sub-sample color difference components of each of the plurality of areas by different processes. By the sub-sampling process selected as that corresponding to each of the plurality of areas, each of the plurality of areas is sub-sampled to encode the image data. |
申请公布号 |
US2015124301(A1) |
申请公布日期 |
2015.05.07 |
申请号 |
US201514591486 |
申请日期 |
2015.01.07 |
申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
Mochizuki Yugo;Goto Fumihiro;Nakatani Akihiko;Tsuchiya Okinori;Nakamura Takashi;Fujita Takashi;Sano Ayumi;Ono Mitsuhiro;Kagawa Hidetsugu |
分类号 |
H04N1/64;H04N1/411 |
主分类号 |
H04N1/64 |
代理机构 |
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代理人 |
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主权项 |
1. An apparatus comprising:
a determination unit configured to determine whether an attribute of each of a plurality of areas in image data corresponds to an edge in an image based on the image data; a sub-sampling unit configured to sub-sample color difference components of each of the plurality of areas by a plurality of different processes; a selection unit configured to select a sub-sampling process corresponding to each of the plurality of areas from the plurality of processes configured to be executed by the sub-sampling unit in accordance with the determination for each of the plurality of areas by the determination unit; and an encoder configured to encode image data, each of the plurality of areas of which is sub-sampled by the sub-sampling process corresponding to each of the plurality of areas selected by the selection unit. |
地址 |
Tokyo JP |