Programmable accelerating chip for optical Chinese character recognition

Ming-Wen Chang; Bor-Shenn Jeng; Char-Shin Miou; Chi-Jain Wen; Cheng-Tzong Lee; Dung-Ming Shieh; Shih-Fu Shy

doi:10.1117/12.186566

21 September 1994 Programmable accelerating chip for optical Chinese character recognition

Ming-Wen Chang, Bor-Shenn Jeng, Char-Shin Miou, Chi-Jain Wen, Cheng-Tzong Lee, Dung-Ming Shieh, Shih-Fu Shy

Proceedings Volume 2298, Applications of Digital Image Processing XVII; (1994) https://doi.org/10.1117/12.186566
Event: SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, 1994, San Diego, CA, United States

Abstract

In this paper, a programmable accelerating chip with parallel and pipelined computation capabilities for optical Chinese character recognition (OCCR) is presented. The chip contains eight matching processing elements working in parallel and a memory-saving sorter which can choose the best 32 candidates. The structure of the design is flexible and modular, which is capable of processing different start points and end points of the template feature. Fabricated in 1.0 micron CMOS gate array, the chip contains approximately 16,000 gates. It has been tested to be fully functional. By using this chip, a powerful optical Chinese character recognition system with high speed, high recognition rate, and accumulated learning ability is developed. From the experimental results, the process speed of this chip can be up to 200 characters per second, which is one hundred times the conventional pure software process speed. The chips can be used in parallel for a larger template character system and will not increase the process time.

Citation Download Citation

Ming-Wen Chang, Bor-Shenn Jeng, Char-Shin Miou, Chi-Jain Wen, Cheng-Tzong Lee, Dung-Ming Shieh, and Shih-Fu Shy "Programmable accelerating chip for optical Chinese character recognition", Proc. SPIE 2298, Applications of Digital Image Processing XVII, (21 September 1994); https://doi.org/10.1117/12.186566

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KEYWORDS

Feature extraction

Optical character recognition

Very large scale integration

Detection and tracking algorithms

Algorithm development

Computing systems

Image processing

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