ISSN 1671-3710
CN 11-4766/R

Advances in Psychological Science ›› 2012, Vol. 20 ›› Issue (9): 1355-1363.doi: 10.3724/SP.J.1042.2012.01355

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Stereopsis-Based Binocular Unmasking

CHEN Ming-Li;ZHANG Chang-Xin;YANG Shao-Juan;MAO Li-Hua;TIAN Yong-Hong;HUANG Tie-Jun;WU Xi-Hong;GAO Wen;LI Liang   

  1. (1Department of Psychology, Peking University, Beijing 100871, China) (2School of Electronics Engineering and Computer Science, Peking University, Beijing 100871, China) (3Laboratory of Machine Perception (Ministry of Education), Peking University, Beijing 100871, China)
  • Received:2012-02-05 Online:2012-09-15 Published:2012-09-15
  • Contact: LI Liang

Abstract: Without affecting the signal-to-noise ratio, the binocular disparity-based stereopsis induces perceived depth separation between the target and the masker (s). The perceived separation improves detection and/or discrimination of the target, leading to the so-called binocular unmasking. This review summarizes previous studies related to binocular unmasking and particularly emphasizes that the allocation of selective visual attention in depth plays a critical role in binocular unmasking. Most importantly, considering that the unmasking effect of perceived spatial separation also occurs in auditory perception, this review proposes that perceived spatial separation-induced unmasking of target signals represents the essential function of the brain in untangling complex scenes. Typical examples of application of binocular unmasking in the industrial field are also provided in this review.

Key words: binocular unmasking, disparity, stereopsis, random-dot stereograms, perceived spatial separation