A Nonlinear Model of Visual Information Processing Based on Discrete Maximal Overlap Wavelets

DOI IR IR (HANDLE) 9 Citations 25 References Open Access
  • ARAI Hitoshi
    Graduate School of Mathematical Sciences, The University of Tokyo

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  • A Nonlinear Model of Visual Information Processing Based on Discrete Maximal Overlap Wavelets (Special Issue on Mathematical Aspects of Image Processing and Computer Vision)

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The purpose of this paper is to give a new computational model of early visual information processing, and to simulate by using the model the occurrence of visual illusions. The model proposed in this paper is constructed as a maximal overlap biorthogonal wavelet filter bank equipped with a nonlinear processing modeled after “contrast induction” effect (for the definition, see Section 3). This model provides good computer simulations of the occurrence of many lightness illusions such as the Mach band, the Hermann grid, the Chevreul illusion, and other related illusions. Moreover, also the café wall illusion is studied by using the model.

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