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ETRA
2006
ACM
198views Biometrics» more  ETRA 2006»
16 years 13 days ago
Perceptual attention focus prediction for multiple viewers in case of multimedia perceptual compression with feedback delay
Human eyes have limited perception capabilities. Only 2 degrees of our 180 degree vision field provide the highest quality of perception. Due to this fact the idea of perceptual a...
Oleg Komogortsev, Javed I. Khan
MM
2006
ACM
197views Multimedia» more  MM 2006»
16 years 13 days ago
Virtual observers in a mobile surveillance system
Conventional wide-area video surveillance systems use a network of fixed cameras positioned close to locations of interest. We describe an alternative and flexible approach to w...
Stewart Greenhill, Svetha Venkatesh
MM
2005
ACM
146views Multimedia» more  MM 2005»
16 years 1 days ago
Unsupervised content discovery in composite audio
Automatically extracting semantic content from audio streams can be helpful in many multimedia applications. Motivated by the known limitations of traditional supervised approache...
Rui Cai, Lie Lu, Alan Hanjalic
SIGIR
2003
ACM
15 years 11 months ago
Domain-independent text segmentation using anisotropic diffusion and dynamic programming
This paper presents a novel domain-independent text segmentation method, which identifies the boundaries of topic changes in long text documents and/or text streams. The method c...
Xiang Ji, Hongyuan Zha
SDM
2003
SIAM
123views Data Mining» more  SDM 2003»
15 years 7 months ago
Fast Online SVD Revisions for Lightweight Recommender Systems
The singular value decomposition (SVD) is fundamental to many data modeling/mining algorithms, but SVD algorithms typically have quadratic complexity and require random access to ...
Matthew Brand