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ICASSP
2011
IEEE
12 years 11 months ago
A new data hiding method using angle quantization index modulation in gradient domain
A robust data hiding scheme that embeds the watermark bits by quantizing the gradient directions of an image is proposed. By embedding the watermark in the angle, the watermark be...
Ehsan Nezhadarya, Z. Jane Wang, Rabab K. Ward
MM
2005
ACM
146views Multimedia» more  MM 2005»
14 years 1 months 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
CIVR
2004
Springer
135views Image Analysis» more  CIVR 2004»
13 years 11 months ago
Knowledge Assisted Analysis and Categorization for Semantic Video Retrieval
In this paper we discuss the use of knowledge for the analysis and semantic retrieval of video. We follow a fuzzy relational approach to knowledge representation, based on which we...
Manolis Wallace, Thanos Athanasiadis, Yannis S. Av...
SIGMOD
2008
ACM
140views Database» more  SIGMOD 2008»
14 years 8 months ago
Skippy: a new snapshot indexing method for time travel in the storage manager
The storage manager of a general-purpose database system can retain consistent disk page level snapshots and run application programs "back-in-time" against long-lived p...
Ross Shaull, Liuba Shrira, Hao Xu
ICMCS
2005
IEEE
127views Multimedia» more  ICMCS 2005»
14 years 1 months ago
Multimodal Segmental-Based Modeling of Tennis Video Broadcasts
Efficient multimodal fusion is a key feature of future video indexing systems. Hidden Markov Models provide a powerful framework for video structure analysis but they require all...
Manolis Delakis, Guillaume Gravier, Patrick Gros