71 search results - page 7 / 15 » A Comparison of Codebook Generation Techniques for Vector Qu... |
ICASSP
2011
IEEE
13 years 5 days ago
2011
IEEE
In this paper, we propose a new vector quantization method to create video thumbnail. In particular, we employ video time density function (VTDF) to explore the temporal character...
IS
2008
13 years 8 months ago
2008
We propose a dimensionality reduction technique for time series analysis that significantly improves the efficiency and accuracy of similarity searches. In contrast to piecewise c...
DCC
2008
IEEE
14 years 8 months ago
2008
IEEE
We discuss the use of lattice vector quantizers in conjunction with a quadtree-based sorting algorithm for the compression of multidimensional data sets, as encountered, for examp...
ICIP
2006
IEEE
14 years 10 months ago
2006
IEEE
In the current video analysis scenario, effective clustering of shots facilitates the access to the content and helps in understanding the associated semantics. This paper introdu...
TIP
1998
13 years 8 months ago
1998
—Two new design techniques for adaptive orthogonal block transforms based on vector quantization (VQ) codebooks are presented. Both techniques start from reference vectors that a...