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BILDMED
2009
162views Algorithms» more  BILDMED 2009»
13 years 9 months ago
Extracting a Purely Non-rigid Deformation Field of a Single Structure
During endovascular aortic repair (EVAR) treatment, the aortic shape is subject to severe deformation that is imposed by medical instruments such as guide wires, catheters, and the...
Stefanie Demirci, Frode Manstad-Hulaas, Nassir Nav...
BILDMED
2009
161views Algorithms» more  BILDMED 2009»
13 years 9 months ago
Estimation of Inner Lung Motion Fields by Non-linear Registration
Abstract. Detailed analysis of breathing dynamics, as motivated by radiotherapy of lung tumors, requires accurate estimates of inner lung motion fields. We present an evaluation an...
René Werner, Jan Ehrhardt, Alexander Schmid...
CVIU
2006
110views more  CVIU 2006»
13 years 8 months ago
Simultaneous tracking of multiple body parts of interacting persons
This paper presents a framework to simultaneously segment and track multiple body parts of interacting humans in the presence of mutual occlusion and shadow. The framework uses mu...
Sangho Park, Jake K. Aggarwal
IJON
2008
186views more  IJON 2008»
13 years 8 months ago
Computational analysis and learning for a biologically motivated model of boundary detection
In this work we address the problem of boundary detection by combining ideas and approaches from biological and computational vision. Initially, we propose a simple and efficient ...
Iasonas Kokkinos, Rachid Deriche, Olivier D. Fauge...
IJCV
2006
192views more  IJCV 2006»
13 years 8 months ago
Piecewise-Smooth Dense Optical Flow via Level Sets
We propose a new algorithm for dense optical flow computation. Dense optical flow schemes are challenged by the presence of motion discontinuities. In state of the art optical flo...
Tomer Amiaz, Nahum Kiryati