WO2001078372A3 - Secondary color modification of a digital image - Google Patents
Secondary color modification of a digital image Download PDFInfo
- Publication number
- WO2001078372A3 WO2001078372A3 PCT/US2001/010761 US0110761W WO0178372A3 WO 2001078372 A3 WO2001078372 A3 WO 2001078372A3 US 0110761 W US0110761 W US 0110761W WO 0178372 A3 WO0178372 A3 WO 0178372A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- chroma
- region
- plane
- modification
- digital image
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/46—Colour picture communication systems
- H04N1/56—Processing of colour picture signals
- H04N1/60—Colour correction or control
- H04N1/62—Retouching, i.e. modification of isolated colours only or in isolated picture areas only
- H04N1/622—Retouching, i.e. modification of isolated colours only or in isolated picture areas only with simulation on a subsidiary picture reproducer
Abstract
An ellipsoid chroma region of a chroma plane may be defined to specify a range of chromas for which a secondary chroma modification is to be applied, and to determine an output chroma for each chroma of the chroma plane based on the ellipsoid chroma region. Further, two or more different-shaped chroma regions of a chroma plane may be defined and manipulated, each chroma region specifying a range of chroma for which a secondary chroma modification is to be applied, and to determine an output chroma for each chroma of the chroma plane based on the two or more different-shaped chroma regions. Also, chroma-matching techniques may be used to define and manipulate the chroma region of a chroma plane that specifies a range of for which a secondary chroma modification is to be applied, and an output chroma may be determined for each chroma of the chroma plane based on the chroma region.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/545,644 US6477271B1 (en) | 2000-04-07 | 2000-04-07 | Secondary color modification of a digital image |
US09/545,644 | 2000-04-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2001078372A2 WO2001078372A2 (en) | 2001-10-18 |
WO2001078372A3 true WO2001078372A3 (en) | 2002-02-28 |
Family
ID=24177013
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2001/010761 WO2001078372A2 (en) | 2000-04-07 | 2001-04-03 | Secondary color modification of a digital image |
Country Status (2)
Country | Link |
---|---|
US (2) | US6477271B1 (en) |
WO (1) | WO2001078372A2 (en) |
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2000
- 2000-04-07 US US09/545,644 patent/US6477271B1/en not_active Expired - Fee Related
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2001
- 2001-04-03 WO PCT/US2001/010761 patent/WO2001078372A2/en active Application Filing
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2002
- 2002-09-13 US US10/242,806 patent/US6763134B2/en not_active Expired - Lifetime
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US5202935A (en) * | 1990-10-19 | 1993-04-13 | Matsushita Electric Industrial Co., Ltd. | Color conversion apparatus for altering color values within selected regions of a reproduced picture |
US5412491A (en) * | 1992-03-10 | 1995-05-02 | Scitex Corporation Ltd. | Apparatus and method for color transformation |
US6122012A (en) * | 1999-03-03 | 2000-09-19 | Oplus Technologies Ltd. | Method of selective color control of digital video images |
Also Published As
Publication number | Publication date |
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US6477271B1 (en) | 2002-11-05 |
US20030016866A1 (en) | 2003-01-23 |
WO2001078372A2 (en) | 2001-10-18 |
US6763134B2 (en) | 2004-07-13 |
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