Bandwidth efficient image transformations on a multiprocessor

Venkat Venkateswar; R. Srinivasan; P. S. Rao

doi:10.1117/12.271613

4 April 1997 Bandwidth efficient image transformations on a multiprocessor

Venkat Venkateswar, R. Srinivasan, P. S. Rao

Proceedings Volume 3018, Color Imaging: Device-Independent Color, Color Hard Copy, and Graphic Arts II; (1997) https://doi.org/10.1117/12.271613
Event: Electronic Imaging '97, 1997, San Jose, CA, United States

Abstract

Image transformation computations are typically the most computationally intensive operations in raster image processing. Raster image processing is the process of converting a page description language like postscript to a bitmap. Researchers have traditionally assumed a uniprocessor model when optimizing the execution time associated with image transformation. In the case of multiprocessing environments, in addition to computational speed, other factors like the frame-buffer access bottleneck, processor utilization, etc. have to be considered. A block based approach that takes these factors into consideration will be presented along with techniques to choose optimal block dimensions.We will focus on the single-chip multi-processing environment provided on Texas Instruments TMS320C80 which has a RISC processor and four Digital Signal Processors on the same chip. We will compare the performance of the block based approach with a conventional scan-line based approach.

Citation Download Citation

Venkat Venkateswar, R. Srinivasan, and P. S. Rao "Bandwidth efficient image transformations on a multiprocessor", Proc. SPIE 3018, Color Imaging: Device-Independent Color, Color Hard Copy, and Graphic Arts II, (4 April 1997); https://doi.org/10.1117/12.271613

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