Invention Grant
US07256912B2 Adaptive generation of perceptually uniform samples for printer characterization
有权
用于打印机表征的感知统一样本的适应性生成
- Patent Title: Adaptive generation of perceptually uniform samples for printer characterization
- Patent Title (中): 用于打印机表征的感知统一样本的适应性生成
-
Application No.: US10606056Application Date: 2003-06-25
-
Publication No.: US07256912B2Publication Date: 2007-08-14
- Inventor: James Zhixin Chang
- Applicant: James Zhixin Chang
- 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 Mallszewski
- Agent Gerald Mallszewski
- Main IPC: G06F15/00
- IPC: G06F15/00

Abstract:
A method is provided for adaptively generating perceptually uniform printer characterization samples in a three-dimensional (3-D) signal space. The method comprises: generating lines, each including a plurality of samples, in a printer 3-D signal space; printing signal space color targets; measuring the signal space color targets; generating lines with a plurality of perceptually uniform samples; generating polygon shapes in the 3-D signal space from the perceptually uniform sampled lines; calculating addition perceptually uniform sample points associated with each polygon; and, generating a final target in the printer 3-D signal space using the calculated perceptually uniform sample points. In one aspect, generating lines, includes: for each line, generating a metric distance function; creating a plurality of perceptually uniform samples on the function output axis; and, using the inverse of the metric distance function, mapping perceptually uniform samples onto the line.
Public/Granted literature
- US20040263876A1 Adaptive generation of perceptually uniform samples for printer characterization Public/Granted day:2004-12-30
Information query