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1 March 1992 Illustrating physical principles through comparative feature extraction techniques in optical and digital image processing
Ralph E. Oberly, James O. Brumfield
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Proceedings Volume 1603, Education in Optics; (1992) https://doi.org/10.1117/12.57878
Event: Education in Optics, 1991, Leningrad, Russian Federation
Abstract
Facilitation of pattern recognition in machine—vision systems or Thematic Mapper imagery can be used to illustrate physical principles through comparative feature extraction techniques in optical and digital image processing. This is demonstrated utilizing coherent image processing with Fourier transforms incorporating filtering techniques such as convolution and inverse Fourier transform. A parallel digital image processing sequence is applied to the same image. Transparencies of the final product image are optically processed with cross—correlation for comparison of results where applicable.
© (1992) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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Ralph E. Oberly and James O. Brumfield "Illustrating physical principles through comparative feature extraction techniques in optical and digital image processing", Proc. SPIE 1603, Education in Optics, (1 March 1992); https://doi.org/10.1117/12.57878
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KEYWORDS
Image filtering
Digital image processing
Image processing
Linear filtering
Optical filters
Fourier transforms
Raster graphics
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