Absolute motion and structure from stereo image sequences without stereo correspondence and analysis of degenerate cases

  • Authors:
  • Jae-Hean Kim;Myung Jin Chung

  • Affiliations:
  • Department of Electrical Engineering and Computer Science, Korea Advanced Institute of Science and Technology, 373-1, Gusong-dong, Yusong-gu, Daejon, 305-701, Republic of Korea;Department of Electrical Engineering and Computer Science, Korea Advanced Institute of Science and Technology, 373-1, Gusong-dong, Yusong-gu, Daejon, 305-701, Republic of Korea

  • Venue:
  • Pattern Recognition
  • Year:
  • 2006

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Abstract

This paper deals with the estimation of motion and structure with an absolute scale factor from stereo image sequences without stereo correspondence. We show that the absolute motion and structure can be determined using only motion correspondences. This property is very useful in two aspects: first, motion correspondence is easier to solve than stereo correspondence because sequences of images can be taken at short time intervals; second, it is not necessary that the rigid scene be included in the intersection of the field of view of the two cameras. It is also shown that the degenerate cases reported in this paper constitute all of the degenerate cases for the scheme and can be easily avoided.