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PCM
2004
Springer
106views Multimedia» more  PCM 2004»
15 years 7 months ago
Performance Improvement of Vector Quantization by Using Threshold
Abstract. Vector quantization (VQ) is an elementary technique for image compression. However, the complexity of searching the nearest codeword in a codebook is time-consuming. In t...
Hung-Yi Chang, Pi-Chung Wang, Rong-Chang Chen, Shu...
CGF
2011
14 years 5 months ago
A Sparse Parametric Mixture Model for BTF Compression, Editing and Rendering
Bidirectional texture functions (BTFs) represent the appearance of complex materials. Three major shortcomings with BTFs are the bulky storage, the difficulty in editing and the ...
Hongzhi Wu, Julie Dorsey, Holly E. Rushmeier
SEBD
1997
158views Database» more  SEBD 1997»
15 years 3 months ago
Indexing Metric Spaces with M-Tree
M-tree is a dynamic access method suitable to index generic “metric spaces”, where the function used to compute the distance between any two objects satisfies the positivity, ...
Paolo Ciaccia, Marco Patella, Fausto Rabitti, Pave...
AVSS
2006
IEEE
15 years 8 months ago
On the Performance and Use of Speaker Recognition Systems for Surveillance
We model the performance of a speaker recognition system used for surveillance to prioritize a large number of candidate speakers in search of a single target speaker. It is assum...
Peter J. Barger, Sridha Sridharan
114
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CIKM
2008
Springer
15 years 3 months ago
A proposal for chemical information retrieval evaluation
Based on the important progresses made in information retrieval (IR) in terms of theoretical models and evaluations, more and more attention has recently been paid to the research...
Jianhan Zhu, John Tait