Yi-Sheng Lu

Abstract

Using a finer screen ruling will result in an improved final image quality in the color printing process. Studies have shown that beyond certain screen frequencies any further increase in the number of lines per inch has negligible benefit on multicolor process printing when using the half-tone printing precess. The objective of this research is to quantify the image quality of multicolor process printing by comparing the results of using several different screen rulings. The final image quality was subjectively evaluated based on the appearance of otherwise identical reproductions with the only difference being the screen ruling. The results of this research indicated that the relationship between the image quality and the screen rulings was not linear in the color printing process and the difference in image quality of reproductions made by using screen rulings of 133, 150, and 200 lines per inch was not significant.

Publication Date

5-28-1987

Document Type

Thesis

Student Type

Graduate

Degree Name

Imaging Science (MS)

Department, Program, or Center

School of Photographic Arts and Sciences (CIAS)

Advisor

Edward Granger

Advisor/Committee Member

Joseph Noga

Advisor/Committee Member

Chi Ming Tang

Comments

Physical copy available from RIT's Wallace Library at TR977 .L812 1987

Campus

RIT – Main Campus

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