Real-time disparity estimation using foreground segmentation for stereo sequences

Hansung Kim, Dong Bo Min, Shinwoo Choi, Kwanghoon Sohn

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

We propose a fast disparity estimation algorithm using background registration and object segmentation for stereo sequences from fixed cameras. Dense background disparity information i calculated in an initialization step, so that only disparities of moving object regions are updated in the main process. We propose a real-time segmentation technique using background subtraction and interframe differences, and a hierarchical disparity estimation using a region-dividing technique and shape-adaptive matching windows. Experimental results show that the proposed algorithm provides accurate disparity vector fields with an average processing speed of 15 frames/s for x 320 × 240 stereo sequences on an ordinary PC.

Original languageEnglish
Article number037402
JournalOptical Engineering
Volume45
Issue number3
DOIs
StatePublished - Mar 2006

Keywords

  • Adaptive window
  • Foreground segmentation
  • Real-time disparity estimation
  • Stereo matching

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