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» Acceleration of the EM algorithm
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145
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ICIP
2007
IEEE
15 years 10 months ago
A General Two-Dimensional Hidden Markov Model and its Application in Image Classification
In this paper, we propose a general two-dimensional hidden Markov model (2D-HMM), where dependency of the state transition probability on any state is allowed as long as causality...
Xiang Ma, Dan Schonfeld, Ashfaq A. Khokhar
133
Voted
MMSEC
2005
ACM
132views Multimedia» more  MMSEC 2005»
15 years 9 months ago
Resolution and quality scalable spread spectrum image watermarking
If digital watermarking is to adequately protect content in systems which provide both resolution and quality scalability, then the watermarking algorithms used must provide both ...
Angela Piper, Reihaneh Safavi-Naini, Alfred Mertin...
144
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MM
2004
ACM
219views Multimedia» more  MM 2004»
15 years 9 months ago
Multi-level annotation of natural scenes using dominant image components and semantic concepts
Automatic image annotation is a promising solution to enable semantic image retrieval via keywords. In this paper, we propose a multi-level approach to annotate the semantics of n...
Jianping Fan, Yuli Gao, Hangzai Luo
108
Voted
SSPR
2004
Springer
15 years 9 months ago
Clustering with Soft and Group Constraints
Several clustering algorithms equipped with pairwise hard constraints between data points are known to improve the accuracy of clustering solutions. We develop a new clustering alg...
Martin H. C. Law, Alexander P. Topchy, Anil K. Jai...
136
Voted
IPSN
2003
Springer
15 years 8 months ago
Energy Based Acoustic Source Localization
A novel source localization approach using acoustic energy measurements from the individual sensors in the sensor field is presented. This new approach is based on the acoustic en...
Xiaohong Sheng, Yu Hen Hu