Title :
Reliability measurement of disparity estimates for intermediate view reconstruction
Author :
Zhang, Liang ; Wang, Demin ; Vincent, André
Author_Institution :
Commun. Res. Centre, Ottawa, Ont., Canada
Abstract :
Proposes an algorithm for improving the image quality of disparity-based intermediate view reconstruction by introducing a reliability measurement for disparity estimates. The reliability of disparity estimates is measured with a criterion based on a-posteriori probability of disparity estimates, in which the displaced image intensity difference and the variation of disparity estimates are taken into account. This reliability measurement is then integrated into an intermediate view reconstruction approach, which guides the recovery of disparity values in occluded areas and the reconstruction of the intermediate views. Experimental results with natural stereoscopic sequences show that the disparity reliability measurement is quite effective. The proposed algorithm improves the image quality of reconstructed intermediate views.
Keywords :
image reconstruction; stereo image processing; video signal processing; a-posteriori probability; disparity estimates; displaced image intensity difference; image quality; intermediate view reconstruction; natural stereoscopic sequences; occluded areas; reliability measurement; Area measurement; Bidirectional control; Cameras; Displacement measurement; Image quality; Image reconstruction; Image texture; Interpolation; Laplace equations; Motion measurement;
Conference_Titel :
Image Processing. 2002. Proceedings. 2002 International Conference on
Print_ISBN :
0-7803-7622-6
DOI :
10.1109/ICIP.2002.1039102