发明名称 |
Apparatus and method for coding image based on level of visual attention and level of perceivable image quality distortion, and computer program product therefor |
摘要 |
An apparatus for coding an image includes a setting unit that sets quantization width for each coded block of an image frame of image data. The apparatus also includes a visual attention calculating unit that calculates a level of visual attention to a first element for each coded block of the image frame; and a perceptual distortion calculating unit that calculates a level of perceptual distortion of a second element whose distorted image quality is easily visually perceived, for each coded block of the image frame. The apparatus also includes a correcting unit that corrects the quantization width based on the level of visual attention and the level of perceptual distortion; and a quantizing unit that quantizes the image data based on the corrected quantization width.
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申请公布号 |
US2005286786(A1) |
申请公布日期 |
2005.12.29 |
申请号 |
US20050152258 |
申请日期 |
2005.06.15 |
申请人 |
NODA REIKO |
发明人 |
NODA REIKO |
分类号 |
G06K9/36;H04N7/26;H04N7/50;(IPC1-7):G06K9/36 |
主分类号 |
G06K9/36 |
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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