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Spatio-temporal consistency in video disparity estimation

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3 Author(s)
Khoshabeh, R. ; Dept. of Electr. & Comput. Eng., Univ. of California, San Diego, San Diego, CA, USA ; Chan, S.H. ; Nguyen, T.Q.

We present a novel stereo video disparity estimation method. The proposed method is a two-stage algorithm. During the first stage, initial disparity maps are computed in a frame by-frame basis. In the second stage, the initial estimates are treated as a space-time volume. By setting up an l1-normed minimization problem with a novel three-dimensional total variation regularization, spatial smoothness and temporal consistency are handled simultaneously. Due to our unique formulation, any existing image disparity estimation technique may utilize our method as a post-processing step to refine noisy estimates or to be extended to videos. The proposed method shows superior speed, accuracy, and consistency compared to state-of-the-art algorithms.

Published in:

Acoustics, Speech and Signal Processing (ICASSP), 2011 IEEE International Conference on

Date of Conference:

22-27 May 2011