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ICPR
2008
IEEE
16 years 8 months ago
EK-SVD: Optimized dictionary design for sparse representations
Sparse representations using overcomplete dictionaries are used in a variety of field such as pattern recognition and compression. However, the size of dictionary is usually a tra...
Raazia Mazhar, Paul D. Gader
MICCAI
2008
Springer
16 years 8 months ago
Active Volume Models with Probabilistic Object Boundary Prediction Module
We propose a novel Active Volume Model (AVM) which deforms in a free-form manner to minimize energy. Unlike Snakes and level-set active contours which only consider curves or surfa...
Tian Shen, Yaoyao Zhu, Xiaolei Huang, Junzhou H...
MICCAI
2009
Springer
16 years 8 months ago
Asymmetric Image-Template Registration
A natural requirement in pairwise image registration is that the resulting deformation is independent of the order of the images. This constraint is typically achieved via a symmet...
Mert R. Sabuncu, B. T. Thomas Yeo, Koen Van Leem...
MICCAI
2009
Springer
16 years 8 months ago
Dynamic Cone Beam Reconstruction Using a New Level Set Formulation
Abstract. This paper addresses an approach toward tomographic reconstruction from rotational angiography data as it is generated by Carms in cardiac imaging. Since the rotational a...
Andreas Keil, Jakob Vogel, Günter Lauritsch, ...
ICPR
2006
IEEE
16 years 7 months ago
Multiple Object Tracking Using Local PCA
Tracking multiple interacting objects represents a challenging area in computer vision. The tracking problem in general can be formulated as the task of recovering the spatio-temp...
Bernhard Frühstück, Csaba Beleznai, Hors...