Sciweavers

ICASSP
2009
IEEE
14 years 2 months ago
On the performance of semidefinite relaxation MIMO detectors for QAM constellations
Due to their computational efficiency and strong empirical performance, semidefinite relaxation (SDR)–based algorithms have gained much attention in multiple–input multiple...
Anthony Man-Cho So
ICASSP
2009
IEEE
14 years 2 months ago
Video event detection and summarization using audio, visual and text saliency
Georgios Evangelopoulos, A. Zlatintsi, G. Skoumas,...
ICASSP
2009
IEEE
14 years 2 months ago
Robust and fast non asymmetric distributed source coding using turbo codes on the syndrome trellis
We consider the distributed compression of two (binary memoryless) correlated sources and propose a unique codec that can reach any point in the Slepian-Wolf region. In a previous...
Velotiaray Toto-Zarasoa, Aline Roumy, Christine Gu...
ICASSP
2009
IEEE
14 years 2 months ago
A split quaternion nonlinear adaptive filter
A split quaternion learning algorithm for the training of nonlinear finite impulse response filters for the modelling of hypercomplex signals is proposed. A rigorous derivation ...
Bukhari Che Ujang, Clive Cheong Took, Alek Kavcic,...
ICASSP
2009
IEEE
14 years 2 months ago
Role of head pose estimation in speech acquisition from distant microphones
Reverberant environments pose a challenge to speech acquisition from distant microphones. Approaches using microphone arrays have met with limited success. Recent research using a...
Shankar T. Shivappa, Bhaskar D. Rao, Mohan M. Triv...
ICASSP
2009
IEEE
14 years 2 months ago
Two microphone based direction of arrival estimation for multiple speech sources using spectral properties of speech
A two microphone direction of arrival (DOA) estimation technique for multiple speech sources is developed which exploits speech specific properties, namely sparsity in time-frequ...
Wenyi Zhang, Bhaskar D. Rao
ICASSP
2009
IEEE
14 years 2 months ago
Blind system identification for speech dereverberation with Forced Spectral Diversity
The common zeros problem for blind system identification (BSI) is well known. It degrades the performance of classic BSI algorithms and therefore imposes the limit on the perform...
Xiang Lin, Andy W. H. Khong, Patrick A. Naylor
ICASSP
2009
IEEE
14 years 2 months ago
Time-sensitive behavior dynamics in multimedia fingerprinting social networks
Multimedia social network is a network infrastructure in which the social network members share multimedia contents with all different purposes. Analyzing user behavior in multime...
W. Sabrina Lin, H. Vicky Zhao, K. J. Ray Liu
ICASSP
2009
IEEE
14 years 2 months ago
Anti-collusion fingerprinting with scalar Costa scheme (SCS) and colluder weight recovery
— An anti-collusion fingerprinting system is developed to protect media files against time-varying collusion attacks based on the scalar Costa scheme (SCS) and colluder weight ...
Byung-Ho Cha, C.-C. Jay Kuo