Research on Dot Compensation Method of Digital Image
Digital gray image as an example, based on the measured representative dot gain values, it drew the dot gain curve by Matlab programming method. Then based on Newtons iterative method it obtained the corresponding dot compensation values in calculating inverse method and fit the dot compensation curve. At last based on the dot compensation curve and threshold matrix method it processed directly each pixel of the digital image by Matlab programming method and achieved dot compensation of the digital image. The result showed, tone range was expanded and brightness was enhanced, besides image level became more gentle, which were more conducive for image high-quality printing output.
Wang Hai-wen Chen Guang-xue Li Jie
Pulp & Paper Engineering State Key Laboratory, South China University ofTechnology, Guangzhou, Guang Pulp & Paper Engineering State Key Laboratory, South China University of Technology, Guangzhou, Guan Department of Information and Power Engineering, College of Quzhou, Quzhou, Zhejiang Province, .R.Ch
国际会议
The 31st International Congress on Imaging Science(第31届国际影像科学大会 ICIS2010)
北京
英文
142-144
2010-05-12（万方平台首次上网日期，不代表论文的发表时间）