Proposing new methods in low-level vision from the Mach band illusion in retrospect |
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Authors: | Kuntal Ghosh Sandip Sarkar |
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Affiliation: | a Department of Microelectronics, Saha Institute of Nuclear Physics, 1/AF Bidhannagar, Kolkata 700064, West Bengal, India b Advisor, West Bengal University of Technology, BF-142 Bidhanagar, Kolkata 700064, West Bengal, India |
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Abstract: | A re-scan of the well-known Mach band illusion has led to the proposal of a Bi-Laplacian of Gaussian operation in early vision. Based on this postulate, the human visual system at low-level has been modeled from two approaches that give rise to two new tools. On one hand, it leads to the construction of a new image sharpening kernel, and on the other, to the explanation of more complex brightness-contrast illusions and the possible development of a new algorithm for robust visual capturing and display systems. |
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Keywords: | Early vision Edge enhancement Laplacian Brightness-contrast illusions Disinhibition |
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