Invention Grant
- Patent Title: Gamut clipping with preprocessing
- Patent Title (中): 带有预处理的色域裁剪
-
Application No.: US12549971Application Date: 2009-08-28
-
Publication No.: US08643922B2Publication Date: 2014-02-04
- Inventor: John Dairymple , James Zhixin Chang , Chizu Watanabe
- Applicant: John Dairymple , James Zhixin Chang , Chizu Watanabe
- Applicant Address: US WA Camas
- Assignee: Sharp Laboratories of America, Inc.
- Current Assignee: Sharp Laboratories of America, Inc.
- Current Assignee Address: US WA Camas
- Agency: Law Office of Gerald Maliszewski
- Agent Gerald Maliszewski
- Main IPC: G03F3/08
- IPC: G03F3/08

Abstract:
A method is provided for gamut clipping with preprocessing enabled as software instructions stored in a computer-readable medium and executable by a processor. The instructions provide a color in a color space defined by at least three attributes. If the color lies outside a gamut boundary in the first color space, a distance is measured from the color to the gamut boundary. In response to the measured distance, a weight is calculated for an attribute of the color. Then, it is determined if the attribute of the color is to be shifted. If so, an attribute shift amount is derived. The attribute shift amount of the color is modified by applying the weighting. The attribute of the first color is shifted by the weighted attribute shift amount, creating a post-processed color. The post-processed color is then clipped.
Public/Granted literature
- US20110051207A1 Gamut Clipping with Preprocessing Public/Granted day:2011-03-03
Information query