Texture as information

Kenneth R. Sloan; Dan Campbell

doi:10.1117/12.152708

8 September 1993 Texture as information

Kenneth R. Sloan, Dan Campbell

Proceedings Volume 1913, Human Vision, Visual Processing, and Digital Display IV; (1993) https://doi.org/10.1117/12.152708
Event: IS&T/SPIE's Symposium on Electronic Imaging: Science and Technology, 1993, San Jose, CA, United States

Abstract

This paper presents a method of dithering which attempts to exploit the inevitable textures generated by all dithering schemes. We concentrate on rendering continuous tone (monochrome or color) images on a CRT display with a small number (on the order of 16 - 256) of distinct colors. Monochrome (especially bi-level) dithering techniques are well studied. We have previously demonstrated that texture introduced by the dithering process can significantly affect the appearance of the image. We then developed a scheme by which the user had some control over these texture effects and could then choose (locally) different ordered-dither matrices based on measured properties of the original image (e.g., the local gradient). In this paper, we exploit texture as an alternate channel of information. The key idea is to choose the previously described matrices based on properties not in the original image.

Citation Download Citation

Kenneth R. Sloan and Dan Campbell "Texture as information", Proc. SPIE 1913, Human Vision, Visual Processing, and Digital Display IV, (8 September 1993); https://doi.org/10.1117/12.152708

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