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30 January 1990 Compressing PC/AT-Based Video Graphics Array (VGA) Images
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The need for a compression system to significantly reduce the size of high resolution PC/AT based Video Graphics Array (VGA) image (picture) files, which can range from 64 Kbytes to over 1 Mbyte, stimulated an extensive research program that resulted in the development of new image conpression systems. This Discrete Cosine Transform (DC') based compression scheme can reduce VGA image file sizes by a factor of more than 6-to-1 with only minor detectable image degradation. The technology to be discussed is designed specifically to operate on the PC/AT-based platform equipped with VGA display. This paper will discuss the characteristics of VGA images versus full color RGB images and the compatibilities between these two types of images.
© (1990) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
David R. Ahlgren, Hasan Gadjali, and Leonard G. Roberts "Compressing PC/AT-Based Video Graphics Array (VGA) Images", Proc. SPIE 1153, Applications of Digital Image Processing XII, (30 January 1990);

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