Title :
A color halftoning algorithm for low-bit flat panel displays
Author :
Lee, Je-Ho ; Kwon, Yong-Moo ; Kim, Hyoung-Gon
Author_Institution :
Div. of Electron. & Inf. Technol., Korea Inst. of Sci. & Technol., Seoul, South Korea
Abstract :
A new color halftoning algorithm for very limited flat panel displays is proposed. We introduce a new method of color image halftoning that incorporates the human visual characteristics within the frame work of error diffusion to improve the quality of halftoned images. Moreover, by exploiting an adaptive processing technique which eliminates the estimation of the second-order statistics for input images, coefficients of the error diffusion filter are updated adaptively according to the characteristics of the input image. The image quality resulting from the proposed algorithm is measured by subjective evaluation and shows less artificial contouring and visual worm patterns
Keywords :
adaptive signal processing; error analysis; filtering theory; flat panel displays; image colour analysis; quantisation (signal); adaptive processing technique; artificial contouring; color halftoning algorithm; color image halftoning; error diffusion; error diffusion filter coefficients; human visual characteristics; image quality; input images; low bit flat panel displays; subjective evaluation; visual worm patterns; Color; Error analysis; Error correction; Filters; Flat panel displays; Humans; Image quality; Information technology; Quantization; Visual system;
Conference_Titel :
Image Processing, 1995. Proceedings., International Conference on
Conference_Location :
Washington, DC
Print_ISBN :
0-8186-7310-9
DOI :
10.1109/ICIP.1995.537486
