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요약정보
彩色打印机特性化多元回归模型的研究 / Study of characterizing color printers with the polynomial regression model
Resource Type
Academic Journal
Authors
韩喜君
;
石俊生
;
黄小乔
;
HAN Xijun
;
SHI Junsheng
;
HUANG Xiaoqiao
Source
光学技术 / OPTICAL TECHNIQUE
. 37(1):25-30
Subject
彩色打印机
颜色特性化
多元回归
Language
Chinese
ISSN
1002-1582
Online Access
Scopus
Find it @ DONGA
초록
多元回归法是彩色打印机特性化普遍采用的方法,实验对影响多元回归精度的阶数、色空间选择、以及训练样本选取进行了研究.研究结果表明:(1)二、三、四阶的特性化精度分别在10.9±0.3、6.6±0.2、6.0±0.2个CIELAB色差单位;(2)回归模型采用RGB到CIELAB或CIEXYZ的预测精度基本相同,大概相差1个CIELAB色差单位,但如果训练样本选择适当,两种色空间无差距;(3)训练样本的RGB取值要包括打印色域边界点0和255,这样将保证模型总体预测精度.研究结果将指导实际应用中回归阶数、色空间选择和训练样本的选择.
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