发明名称 NOISE REDUCTION APPARATUS AND NOISE REDUCTION METHOD
摘要 PROBLEM TO BE SOLVED: To effectively perform noise reduction of a moving image in accordance with human visual properties.SOLUTION: A noise acquisition unit 201 acquires an image signal including no subject but including only noise, and an image property acquisition unit 202 acquires the image signal of a photographing target. A visual property reflection unit 203 multiplies the respective image signals by visual frequency response properties to obtain a noise signal and an image signal including no noise, which reflect the visual frequency response properties. A filter designing unit 204 generates a winner filter from the obtained signals, and a filter processing unit 205 applies it to an image signal.
申请公布号 JP2013247525(A) 申请公布日期 2013.12.09
申请号 JP20120120138 申请日期 2012.05.25
申请人 CANON INC 发明人 IKEDA SATOSHI
分类号 H04N5/21;H04N5/225 主分类号 H04N5/21
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