Support for ECVP2006 abstract: ' Increasing and decreasing the Chevreul illusion by a background luminance ramp'

J Geier, L Séra, L Bernáth, M Hudák
Images are available only for ECVP200
6 committee and reviewers.
© 2006,  Janos Geier and his coworkers, All rights reserved

HTML programmer: Mariann Hudák, image programmer: János Geier


                           Description of the Images

  • Images presented on this site are demonstrations only.
  • The Chevreul illusion is a luminance staircase comprising homogeneous grey steps whose border neighbouring a  lighter step appears to be darker.

  • The luminance staircase is placed either in a luminance ramp background or a homogeneous grey or black background




Click on the images to enlarge.



Click on the images to enlarge.


What to observe?




For further information see  

  (since April 13, 2006)