%0 Journal Article %A Sang-Chul Kim and Sung-Il Chien %D 2011 %J International Journal of Electrical and Computer Engineering %B World Academy of Science, Engineering and Technology %I Open Science Index 59, 2011 %T Dispersed Error Control based on Error Filter Design for Improving Halftone Image Quality %U https://publications.waset.org/pdf/2264 %V 59 %X The error diffusion method generates worm artifacts, and weakens the edge of the halftone image when the continuous gray scale image is reproduced by a binary image. First, to enhance the edges, we propose the edge-enhancing filter by considering the quantization error information and gradient of the neighboring pixels. Furthermore, to remove worm artifacts often appearing in a halftone image, we add adaptively random noise into the weights of an error filter. %P 1541 - 1546