Page description language to bitmap rasterization using optical imaging memory

Kefu Xue; Cailong Zhang

doi:10.1117/12.19960

1 August 1990 Page description language to bitmap rasterization using optical imaging memory

Kefu Xue, Cailong Zhang

Proceedings Volume 1258, Image Communications and Workstations; (1990) https://doi.org/10.1117/12.19960
Event: Electronic Imaging: Advanced Devices and Systems, 1990, Santa Clara, CA, United States

Abstract

In this paper, a technique to convert page description language (PDL) code to a bitmap color image using an optical image memory is discussed. The technique is useful in developing a low cost PDL compatible high resolution graphic printing device for desktop publishing applications. The optical image memory in this discussion is a raster scan addressable device which is write-only in the sense of electrical digital access, and its content is continually accessible by an analog optical mean. Utilizing the low cost optical image memory, the algorithm can rasterize PDL code without large amounts of expensive digital image frame memory. Since the optical image memory is a raster scan addressable device, the rasterization ofeach pixel ofthe color image must be done within the access time of each pixel writing. Some novel techniques are introduced in this algorithm. System development, performance analysis, and the application of the algorithm will be presented.

Citation Download Citation

Kefu Xue and Cailong Zhang "Page description language to bitmap rasterization using optical imaging memory", Proc. SPIE 1258, Image Communications and Workstations, (1 August 1990); https://doi.org/10.1117/12.19960

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KEYWORDS

Image processing

Raster graphics

Image compression

Visualization

Associative arrays

Stars

Printing

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