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11 March 1994 High-speed VLSI workpiece position measurement using normalized 2Dcorrelation
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Proceedings Volume 2183, Machine Vision Applications in Industrial Inspection II; (1994)
Event: IS&T/SPIE 1994 International Symposium on Electronic Imaging: Science and Technology, 1994, San Jose, CA, United States
For workpiece recognition, the image processing unit of an assembly robot must be fast and reliable. To improve an already existing system, we implemented an ASIC for real-time image correlation from a standard video image based on an investigation of several algorithms for 2D grayscale image correlation. The architecture contains four parallel multipliers and uses a three- level pipelining schema. The ASIC, which is realized in a standard and macrocell technique, achieves a sustained performance of 16 X 106 MAC/s. A speed-up factor of 12 compared to a DSP56116 implementation at the same clock speed is obtained.
© (1994) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Fritz M. Rothacher, Norbert Felber, and Hubert Kaeslin "High-speed VLSI workpiece position measurement using normalized 2Dcorrelation", Proc. SPIE 2183, Machine Vision Applications in Industrial Inspection II, (11 March 1994);


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