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ICANN
2003
Springer
15 years 11 months ago
Sparse Coding with Invariance Constraints
We suggest a new approach to optimize the learning of sparse features under the constraints of explicit transformation symmetries imposed on the set of feature vectors. Given a set...
Heiko Wersing, Julian Eggert, Edgar Körner
MUE
2008
IEEE
103views Multimedia» more  MUE 2008»
16 years 14 days ago
Ubiquitous Web Access: Collaborative Optimization and Dynamic Content Negotiation
Traditionally, cellular wide area networks like UMTS are used as Internet access networks for particular users but, in some cases, they can be employed to provide Internet access ...
Xavier Sanchez-Loro, Victoria Beltran, Jordi Casad...
BMCBI
2005
115views more  BMCBI 2005»
15 years 6 months ago
Statistical distributions of optimal global alignment scores of random protein sequences
Background: The inference of homology from statistically significant sequence similarity is a central issue in sequence alignments. So far the statistical distribution function un...
Hongxia Pang, Jiaowei Tang, Su-Shing Chen, Shiheng...
TMI
2010
251views more  TMI 2010»
15 years 24 days ago
3-D Scalable Medical Image Compression With Optimized Volume of Interest Coding
We present a novel 3-D scalable compression method for medical images with optimized volume of interest (VOI) coding. The method is presented within the framework of interactive te...
Victor Sanchez, Rafeef Abugharbieh, Panos Nasiopou...
IBPRIA
2007
Springer
16 years 7 days ago
Optimally Discriminant Moments for Speckle Detection in Real B-Scan Images
Detection of speckle in ultrasound (US) images has been regarded as an important research topic in US imaging, mainly focusing on two specific applications: improving signal to no...
Robert Marti, Joan Martí, Jordi Freixenet, ...