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Perceptual Filling-in of Blind-Spot for Surrounding Color Gradient Stimuli

  • Amrita Mukherjee
  • Avijit Paul
  • Rajarshi Roy
  • Shibsankar Roy
  • Kuntal Ghosh
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 11278)

Abstract

Perceptual filling-in of blind-spot is still a mystic brain mechanism for which a great deal of research work is still going on using psychophysical and computational techniques. We conduct psychophysical experiments with a large number of stimuli to examine a retinotopic rule recently proposed by a group of researchers based on Cortical Magnification Factor (CMF). In our experiment we come across a phenomenon which could not be explained by the above mentioned retinotopic rule. So, we propose a new hypothesis for blind-spot filling-in for non-homogeneous surroundings. Our hypothesis encircles the importance of Trichromatic theory, Information theory and CMF in blind-spot filling-in mechanism. We also observe that two kinds of illusions namely Simultaneous Brightness Contrast (SBC) and Brightness Assimilation (BA), till now thought of as antagonistic with respect to brightness induction, are significantly similar and it bears analogy with the blind-spot filling-in mechanism.

Keywords

Blind-spot Cortical Magnification Factor Trichromatic theory Information theory Assimilation Contrast 

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Copyright information

© Springer Nature Switzerland AG 2018

Authors and Affiliations

  1. 1.Center for Soft Computing ResearchIndian Statistical InstituteKolkataIndia
  2. 2.TATA Consultancey ServicesKolkataIndia
  3. 3.Indian Institute of TechnologyIndoreIndia
  4. 4.Machine Intelligence UnitIndian Statistical InstituteKolkataIndia

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