Spatial Frequency Channels for Stereoscopic Depth Perception

Satoshi Shioiri, Tomomichi Hatori, Hirohisa Yaguchi, Souichi Kubo

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)


We investigated spatial frequency tuning of the mechanisms for stereoscopic depth perception, using a masking technique, and compared these tunings with those for luminance pattern detection. Observers discriminated depth direction in random-dot stereograms with various contrasts of a masking pattern, which was dichoptic stimulus of uncorrelated random dots. The strength of masking effect as a function of spatial frequency (i.e., masking function) was measured: masking function approximates the spatial frequency tuning of the mechanism that detects the depth in the test pattern. The masking functions for stereoscopic depth were found to be similar to either of the three of the six spatial frequency channels proposed by Wilson and Gelb (1984) for the detection of luminance patterns.

Original languageEnglish
Pages (from-to)311-313
Number of pages3
JournalOptical Review
Issue number2
Publication statusPublished - 1994


  • binocular disparity
  • masking
  • spatial frequency channel
  • spatial frequency tuning
  • stereoscopic depth


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