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145
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IJCV
2011
14 years 7 months ago
2011
We examine the underlying structure of popular algorithms for variational methods used in image processing. We focus here on operator splittings and Bregman methods based on a uniï...
173
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FOCS
2009
IEEE
15 years 10 months ago
2009
IEEE
Abstract— Thorup and Zwick, in their seminal work, introduced the approximate distance oracle, which is a data structure that answers distance queries in a graph. For any integer...
145
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ECCV
1994
Springer
16 years 5 months ago
1994
Springer
Abstract. Regularization o ers a powerful framework for signal reconstruction by enforcing weak constraints through the use of stabilizers. Stabilizers are functionals measuring th...
263
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ICIAR
2009
Springer
15 years 10 months ago
2009
Springer
The SIFT (Scale Invariant Feature Transform) descriptor is a widely used method for matching image features. However, perfect scale invariance can not be achieved in practice becau...
141
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VISUALIZATION
2002
IEEE
15 years 8 months ago
2002
IEEE
This paper presents a new technique for the extraction of surfaces from 3D ultrasound data. Surface extraction from ultrasound data is challenging for a number of reasons includin...