发明名称 |
Adjusting film grain properties in digital images |
摘要 |
A method is disclosed of operating on a stored digital image produced by scanning the photographic element to smooth film-grain noise. The method includes extracting and storing a set of statistics of the grain pattern of the film type carrying the image, such statistics being representative of local, spatial, and spectral properties of a photographic grain pattern of that type of film; and using the stored set of statistics to operate upon the stored digital image to change such stored digital image so as to smooth film-grain noise when an image is produced. |
申请公布号 |
US5641596(A) |
申请公布日期 |
1997.06.24 |
申请号 |
US19950567793 |
申请日期 |
1995.12.05 |
申请人 |
EASTMAN KODAK COMPANY |
发明人 |
GRAY, ROBERT T.;COK, DAVID R. |
分类号 |
G06T5/00;H04N1/407;H04N5/21;H04N5/253;H04N5/84;H04N5/91;(IPC1-7):G03C11/00 |
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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