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12 October 1988 Image Processing Techniques For Illumination Correction
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Proceedings Volume 0956, Piece Recognition and Image Processing; (1988) https://doi.org/10.1117/12.947685
Event: SPIE International Symposium on Optical Engineering and Industrial Sensing for Advance Manufacturing Technologies, 1988, Dearborn, MI, United States
Abstract
Basic image processing operations such as thresholding are often difficult to use in industrial settings because of nonuniformities in scene illumination. However, these illumination variations can be reduced or eliminated entirely if appropriate image processing techniques are applied prior to level-sensitive processing. Useful procedures for reducing the effects of illumination variations are covered in this paper including background subtraction, high-pass filtering and the use of homomorphic filters. Hardware considerations for performing these operations in real-time systems are also discussed.
© (1988) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
John W. V. Miller "Image Processing Techniques For Illumination Correction", Proc. SPIE 0956, Piece Recognition and Image Processing, (12 October 1988); https://doi.org/10.1117/12.947685
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