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CVPR
2010
IEEE
15 years 9 months ago
Anatomical Parts-Based Regression Using Non-Negative Matrix Factorization
Non-negative matrix factorization (NMF) is an excellent tool for unsupervised parts-based learning, but proves to be ineffective when parts of a whole follow a specific pattern. ...
Swapna Joshi, Karthikeyan Shanmugavadivel, B.S. Ma...
ICPR
2002
IEEE
15 years 9 months ago
Near-Optimal Regularization Parameters for Applications in Computer Vision
Computer vision requires the solution of many ill-posed problems such as optical flow, structure from motion, shape from shading, surface reconstruction, image restoration and ed...
Changjiang Yang, Ramani Duraiswami, Larry S. Davis
SIGGRAPH
2010
ACM
15 years 8 months ago
Video tapestries with continuous temporal zoom
We present a novel approach for summarizing video in the form of a multiscale image that is continuous in both the spatial domain and across the scale dimension: There are no hard...
Connelly Barnes, Dan B. Goldman, Eli Shechtman, Ad...
MICCAI
2001
Springer
15 years 8 months ago
Cardiac Motion Analysis from Ultrasound Sequences Using Non-rigid Registration
Abstract. In this article we propose a cardiac motion estimation technique that uses non-rigid registration to compute the dense cardiac displacement field from 2D ultrasound sequ...
María J. Ledesma-Carbayo, Jan Kybic, Manuel...
ICCV
1999
IEEE
15 years 8 months ago
Multi-Frame Optical Flow Estimation using Subspace Constraints
We show that the set of all ow- elds in a sequence of frames imaging a rigid scene resides in a lowdimensional linear subspace. Based on this observation, we develop a method for ...
Michal Irani