Invention Grant
- Patent Title: Reduction of harmonic artifacts in halftone screens
- Patent Title (中): 减少半色调屏幕中的谐波伪像
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Application No.: US10844993Application Date: 2004-05-13
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Publication No.: US08345311B2Publication Date: 2013-01-01
- Inventor: Mani Fischer , Doron Shaked
- Applicant: Mani Fischer , Doron Shaked
- Applicant Address: US TX Houston
- Assignee: Hewlett-Packard Development Company, L.P.
- Current Assignee: Hewlett-Packard Development Company, L.P.
- Current Assignee Address: US TX Houston
- Main IPC: H04N1/405
- IPC: H04N1/405 ; H04N1/409
Abstract:
A halftone screen is modified to reduce harmonic artifacts. Artifacts are modeled from the screen in a frequency domain. Threshold values in the screen are modified to reduce amplitude of at least some of the modeled artifacts.
Public/Granted literature
- US20050254096A1 Reduction of harmonic artifacts in halftone screens Public/Granted day:2005-11-17
Information query
