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ICPR
2010
IEEE
13 years 11 months ago
Consistent Estimators of Median and Mean Graph
The median and mean graph are basic building blocks for statistical graph analysis and unsupervised pattern recognition methods such as central clustering and graph quantization. ...
Brijnesh J. Jain, Klaus Obermayer
NN
2006
Springer
108views Neural Networks» more  NN 2006»
13 years 9 months ago
Performance analysis of LVQ algorithms: A statistical physics approach
Learning vector quantization (LVQ) constitutes a powerful and intuitive method for adaptive nearest prototype classification. However, original LVQ has been introduced based on he...
Anarta Ghosh, Michael Biehl, Barbara Hammer
TCOM
2010
114views more  TCOM 2010»
13 years 4 months ago
Concentric Permutation Source Codes
Permutation codes are a class of structured vector quantizers with a computationally-simple encoding procedure based on sorting the scalar components. Using a codebook comprising s...
Ha Q. Nguyen, Lav R. Varshney, Vivek K. Goyal
ICIP
2000
IEEE
14 years 11 months ago
Block Color Quantization: A New Method for Color Halftoning
An important halftoning problem faced in the design of many color printers and copiers is to represent a 24-bit color image by a small number of preset output colors, generally at...
Maya Gupta, Michael J. Gormish, David G. Stork
DCC
2003
IEEE
14 years 3 months ago
Universal Multiple Description Scalar Quantization: Analysis and Design
—This paper introduces a new high-rate analysis of the multiple description scalar quantizer (MDSQ) with balanced descriptions. The analysis provides insight into the structure o...
Chao Tian, Sheila S. Hemami