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ICIP
2002
IEEE
14 years 9 months ago
Perceived quality metrics for low bit rate compressed video
This paper presents an objective metric for the perceived quality of low bit rate compressed video. Frames are decomposed into several frequency bands at multiple scales and a mot...
Mark Masry, Sheila S. Hemami
ICC
2007
IEEE
115views Communications» more  ICC 2007»
14 years 1 months ago
Distortion Exponents for Different Source-Channel Diversity Achieving Schemes over Multi-Hop Channels
— The performance limits of multimedia systems combining source (multiple description) coding and channel coding with user cooperation diversity over multi-hop channels is studie...
Karim G. Seddik, Andres Kwasinski, K. J. Ray Liu
DCC
2007
IEEE
14 years 7 months ago
Distortion-Complexity Optimization of the H.264/MPEG-4 AVC Encoder using the GBFOS Algorithm
The H.264/ACV standard provides significant improvements in performance over earlier video coding standards at the cost of increased complexity. Our challenge is to determine H.26...
Rahul Vanam, Eve A. Riskin, Sheila S. Hemami, Rich...
IJACTAICIT
2010
121views more  IJACTAICIT 2010»
13 years 2 months ago
Separation and Equalization of Cross-Coupled Signals by Adaptive Cancellation
This paper describes an adaptive noise cancellation structure suitable for the separation and equalization of signals that coupled due to the approximate placing of primary and au...
Manal Jamil Al-Kindi
SIAMCOMP
2012
11 years 9 months ago
Local Versus Global Properties of Metric Spaces
d Abstract) Sanjeev Arora∗ L´aszl´o Lov´asz† Ilan Newman‡ Yuval Rabani§ Yuri Rabinovich¶ Santosh Vempala Motivated by applications in combinatorial optimization, we ini...
Sanjeev Arora, László Lovász,...