Sciweavers

1344 search results - page 39 / 269
» Quantization
Sort
View
ICDM
2009
IEEE
137views Data Mining» more  ICDM 2009»
14 years 4 months ago
Regression Learning Vector Quantization
— Learning Vector Quantization (LVQ) is a popular class of nearest prototype classifiers for multiclass classification. Learning algorithms from this family are widely used becau...
Mihajlo Grbovic, Slobodan Vucetic
ICASSP
2008
IEEE
14 years 4 months ago
Model-based sparsity projection pursuit for lattice vector quantization
In this work we present an efficient coding scheme suitable for lossy image compression using a lattice vector quantizer (LVQ) based on statistically independent data projections...
Leonardo H. Fonteles, Marc Antonini, Ronald Phlypo
MMSP
2008
IEEE
149views Multimedia» more  MMSP 2008»
14 years 4 months ago
Hybrid low bitrate audio coding using adaptive gain shape vector quantization
—Audio coding at low bitrates typically suffers from artifacts caused by bandwidth truncation. In this paper we present a novel scheme to code audio signals at low bitrates which...
Sanjeev Mehrotra, Wei-Ge Chen, Kazuhito Koishida, ...
GLOBECOM
2007
IEEE
14 years 4 months ago
Volume Growth and General Rate Quantization on Grassmann Manifolds
—The Grassmann manifold Gn,p (L) is the set of all p-dimensional planes (through the origin) in the n-dimensional Euclidean space Ln , where L is either R or C. This paper consid...
Wei Dai, Brian Rider, Youjian Liu
DAWAK
2001
Springer
14 years 2 months ago
Adaptable Similarity Search Using Vector Quantization
Adaptable similarity queries based on quadratic form distance functions are widely popular in data mining applications, particularly for domains such as multimedia, CAD, molecular ...
Christian Böhm, Hans-Peter Kriegel, Thomas Se...