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PRL
2006
96views more  PRL 2006»
15 years 6 months ago
Fast codebook search algorithms based on tree-structured vector quantization
Tree-Structured Vector Quantization (TSVQ) is a highly efficient technique for locating an appropriate codeword for each input vector. The algorithm does not guarantee that the sel...
Chin-Chen Chang, Yu-Chiang Li, Jun-Bin Yeh
TCSV
2008
139views more  TCSV 2008»
15 years 6 months ago
A Fast MB Mode Decision Algorithm for MPEG-2 to H.264 P-Frame Transcoding
Abstract--The H.264 standard achieves much higher coding efficiency than the MPEG-2 standard, due to its improved inter-and intra-prediction modes at the expense of higher computat...
Gerardo Fernández-Escribano, Hari Kalva, Pe...
ICIP
2001
IEEE
16 years 8 months ago
Motion estimation for low power video devices
We propose a block motion estimation (ME) algorithm that meets high quality requirements and allows for cost efficient VLSI realizations. It relies on a set of rules common to all...
Christophe De Vleeschouwer, Tord Nilsson
COCO
2004
Springer
91views Algorithms» more  COCO 2004»
15 years 10 months ago
Compression of Samplable Sources
We study the compression of polynomially samplable sources. In particular, we give efficient prefix-free compression and decompression algorithms for three classes of such sources ...
Luca Trevisan, Salil P. Vadhan, David Zuckerman
FAW
2008
Springer
127views Algorithms» more  FAW 2008»
15 years 8 months ago
Visiting a Polygon on the Optimal Way to a Query Point
Abstract. We study a constrained version of the shortest path problem in polygonal domains, in which the path must visit a given target polygon. We provide an efficient algorithm f...
Ramtin Khosravi, Mohammad Ghodsi