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» Adaptable Similarity Search Using Vector Quantization
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VLDB
1997
ACM
141views Database» more  VLDB 1997»
13 years 10 months ago
Efficient User-Adaptable Similarity Search in Large Multimedia Databases
Efficient user-adaptable similarity search more and more increases in its importance for multimedia and spatial database systems. As a general similarity model for multi-dimension...
Thomas Seidl, Hans-Peter Kriegel
MMSP
2008
IEEE
149views Multimedia» more  MMSP 2008»
14 years 20 days 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, ...
ISM
2006
IEEE
138views Multimedia» more  ISM 2006»
13 years 6 months ago
Similarity Search Using Sparse Pivots for Efficient Multimedia Information Retrieval
Similarity search is a fundamental operation for applications that deal with unstructured data sources. In this paper we propose a new pivot-based method for similarity search, ca...
Nieves R. Brisaboa, Antonio Fariña, Oscar P...
ICASSP
2009
IEEE
14 years 1 months ago
Low bitrate audio coding using generalized adaptive gain shape vector quantization across channels
Audio coding at low bitrates suffers from artifacts due to spectrum truncation. Typical audio codecs code multi-channel sources using transforms across the channels to remove redu...
Sanjeev Mehrotra, Wei-Ge Chen, Kishore A. Kotteri
NIPS
2001
13 years 7 months ago
An Efficient Clustering Algorithm Using Stochastic Association Model and Its Implementation Using Nanostructures
This paper describes a clustering algorithm for vector quantizers using a "stochastic association model". It offers a new simple and powerful softmax adaptation rule. Th...
Takashi Morie, Tomohiro Matsuura, Makoto Nagata, A...