A Real-Time Image Acquisition And Processing System For A RISC-Based Microcomputer

Adrian J. Luckman; Nigel M. Allinson

doi:10.1117/12.950263

2 March 1989 A Real-Time Image Acquisition And Processing System For A RISC-Based Microcomputer

Adrian J. Luckman, Nigel M. Allinson

Proceedings Volume 1027, Image Processing II; (1989) https://doi.org/10.1117/12.950263
Event: 1988 International Congress on Optical Science and Engineering, 1988, Hamburg, Germany

Abstract

A low cost image acquisition and processing system has been developed for the Acorn Archimedes microcomputer. Using a Reduced Instruction Set Computer (RISC) architecture, the ARM (Acorn Risc Machine) processor provides instruction speeds suitable for image processing applications. The associated improvement in data transfer rate has allowed real-time video image acquisition without the need for frame-store memory external to the microcomputer. The system is comprised of real-time video digitising hardware which interfaces directly to the Archimedes memory, and software to provide an integrated image acquisition and processing environment. The hardware can digitise a video signal at up to 640 samples per video line with programmable parameters such as sampling rate and gain. Software support includes a work environment for image capture and processing with pixel, neighbourhood and global operators. A friendly user interface is provided with the help of the Archimedes Operating System WIMP (Windows, Icons, Mouse and Pointer) Manager. Windows provide a convenient way of handling images on the screen and program control is directed mostly by pop-up menus.

Citation Download Citation

Adrian J. Luckman and Nigel M. Allinson "A Real-Time Image Acquisition And Processing System For A RISC-Based Microcomputer", Proc. SPIE 1027, Image Processing II, (2 March 1989); https://doi.org/10.1117/12.950263

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KEYWORDS

Video

Image processing

Image acquisition

Signal processing

Video processing

Image resolution

Convolution

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