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ICIP
2000
IEEE
15 years 11 months ago
Total Variation Improved Wavelet Thresholding in Image Compression
In this paper, we propose using Partial Differential Equation (PDE) techniques in wavelet based image processing to reduce edge artifacts generated by wavelet thresholding. We emp...
Tony F. Chan, Hao-Min Zhou
BILDMED
2008
125views Algorithms» more  BILDMED 2008»
15 years 8 months ago
Iterative Reconstruction of SPECT Images Using Adaptive Multi-level Refinement
We present a novel method for iterative reconstruction of high resolution images. Our method is based on the observation that constant regions in an image can be represented at muc...
Hanno Schumacher, Stefan Heldmann, Eldad Haber, Be...
CLEF
2010
Springer
15 years 7 months ago
Prior Art Retrieval Using Various Patent Document Fields Contents
In this paper, we report our approach to retrieve patent documents based on the prior art. We use the standard Information Retrieval (IR) techniques which contain indexing and retr...
Metti Zakaria Wanagiri, Mirna Adriani
ICCAD
2001
IEEE
108views Hardware» more  ICCAD 2001»
16 years 3 months ago
Placement Driven Retiming with a Coupled Edge Timing Model
Retiming is a widely investigated technique for performance optimization. It performs powerful modifications on a circuit netlist. However, often it is not clear, whether the pred...
Ingmar Neumann, Wolfgang Kunz
ICANN
2007
Springer
16 years 23 days ago
Sparse and Transformation-Invariant Hierarchical NMF
The hierarchical non-negative matrix factorization (HNMF) is a multilayer generative network for decomposing strictly positive data into strictly positive activations and base vect...
Sven Rebhan, Julian Eggert, Horst-Michael Gro&szli...