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» Scalable motion vector coding
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ICIP
2004
IEEE
16 years 1 months ago
Rate distortion analysis of leaky prediction layered video coding using quantization noise modeling
Unlike conventional layered scalable video coding, leaky prediction layered video coding (LPLC) introduces a leaky factor , which takes on values in the range between 0 and 1, to ...
Yuxin Liu, Josep Prades-Nebot, Paul Salama, Edward...
ICASSP
2007
IEEE
15 years 6 months ago
A New Rotation Search for Dependent Rate-Distortion Optimization in Video Coding
We present a novel search algorithm which is suitable for optimizing functions with a high-dimensional discrete-valued parameter vector. The algorithm is designed to find a funct...
Tuukka Toivonen, Loren Merritt, Ville Ojansivu, Ja...
ISCAS
2003
IEEE
79views Hardware» more  ISCAS 2003»
15 years 5 months ago
Computation reduction in cascaded DCT-domain video downscaling transcoding
In this paper, we propose efficient techniques and architectures for realizing spatial-downscaling transcoders in the DCT domain. We also present methods for re-sampling motion ve...
Yuh-Ruey Lee, Chia-Wen Lin, Yen-Wen Chen
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ICIP
2001
IEEE
16 years 1 months ago
Bayesian high-resolution reconstruction of low-resolution compressed video
A method for simultaneously estimating the high-resolution frames and the corresponding motion field from a compressed low-resolution video sequence is presented. The algorithm in...
Rafael Molina, Aggelos K. Katsaggelos, Javier Mate...
DSD
2007
IEEE
164views Hardware» more  DSD 2007»
15 years 6 months ago
An Efficient Hardware Architecture for Quarter-Pixel Accurate H.264 Motion Estimation
In this paper, we present an efficient hardware architecture for real-time implementation of quarter-pixel accurate variable block size motion estimation for H.264 / MPEG4 Part 10...
Serkan Oktem, Ilker Hamzaoglu