Tuesday, March 19, 2013

Lab Meeting, March 21, 2013 (Yen-Ting): Extracting 3D Scene-Consistent Object Proposals and Depth from Stereo Images (ECCV 2012)

Authors: Michael Bleyer, Christoph Rhemann, and Carsten Rother

Abstract: This work combines two active areas of research in computer vision: unsupervised object extraction from a single image, and depth estimation from a stereo image pair. A recent, successful trend in unsupervised object extraction is to exploit so-called “3D scene-consistency”, that is enforcing that objects obey underlying physical constraints of the 3D scene, such as occupancy of 3D space and gravity of objects. Our main contribution is to introduce the concept of 3D scene-consistency into stereo matching. We show that this concept is beneficial for both tasks, object extraction and depth estimation. In particular, we demonstrate that our approach is able to create a large set of 3D scene-consistent object proposals, by varying e.g. the prior on the number of objects...

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