Sciweavers

207 search results - page 13 / 42
» Additive vector decoding of transform coded images
Sort
View
ICASSP
2008
IEEE
15 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»
15 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, ...
73
Voted
ICASSP
2009
IEEE
14 years 7 months ago
A differential motion estimation method for image interpolation in distributed video coding
Motion estimation methods based on differential techniques proved to be very useful in the context of video analysis, but have a limited employment in classical video compression ...
Marco Cagnazzo, Thomas Maugey, Béatrice Pes...
67
Voted
ICIP
2007
IEEE
15 years 4 months ago
Rate-Distortion Analysis and Bit Allocation Strategy for Motion Estimation at the Decoder using Maximum Likelihood Technique in
Numerous approaches for distributed video coding have been recently proposed. One of main motivations for these techniques is the possibility of achieving complexity tradeoffs bet...
Ivy H. Tseng, Antonio Ortega
DCC
2005
IEEE
15 years 9 months ago
Coding the Wavelet Spatial Orientation Tree with Low Computational Complexity
ct A very fast, low complexity algorithm for resolution scalable and random access decoding is presented. The algorithm is based on AGP (Alphabet and Group Partitioning) [1], where...
Yushin Cho, Amir Said, William A. Pearlman