发明名称 |
NOISE REDUCTION DEVICE, NOISE REDUCTION METHOD, NOISE REDUCTION PROGRAM, AND RECORDING MEDIUM |
摘要 |
<p>Disclosed is a noise reduction device that includes a representative-value vector calculation unit that extracts from the neighboring region the pixels of a similarity region having a degree of similarity, greater than or equal to a threshold, to the notice pixel in a predetermined color space and calculates a representative-value vector of the pixels of the similarity region; a difference projection unit that projects a difference vector between a notice-pixel vector of the notice pixel and the representative-value vector in a specific direction of the color space; and a pixel-value correction unit that replaces an element of a vector obtained by adding the difference vector projected in the specific direction to the representative-value vector with the pixel value of the notice pixel.</p> |
申请公布号 |
EP2409275(A1) |
申请公布日期 |
2012.01.25 |
申请号 |
EP20100753382 |
申请日期 |
2010.02.18 |
申请人 |
RICOH COMPANY LTD. |
发明人 |
HARA, TAKAYUKI |
分类号 |
G06T5/00;H04N1/409;H04N9/64 |
主分类号 |
G06T5/00 |
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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