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» On detecting space-time clusters
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TCSV
2010
14 years 4 months ago
New Fourier-Statistical Features in RGB Space for Video Text Detection
In this paper, we propose new Fourier-Statistical Features (FSF) in RGB space for detecting text in video frames of unconstrained background, different fonts, different scripts and...
Palaiahnakote Shivakumara, Trung Quy Phan, Chew Li...
KDD
2009
ACM
189views Data Mining» more  KDD 2009»
15 years 4 months ago
CoCo: coding cost for parameter-free outlier detection
How can we automatically spot all outstanding observations in a data set? This question arises in a large variety of applications, e.g. in economy, biology and medicine. Existing ...
Christian Böhm, Katrin Haegler, Nikola S. M&u...
AAAI
2007
15 years 6 days ago
Temporal and Information Flow Based Event Detection from Social Text Streams
Recently, social text streams (e.g., blogs, web forums, and emails) have become ubiquitous with the evolution of the web. In some sense, social text streams are sensors of the rea...
Qiankun Zhao, Prasenjit Mitra, Bi Chen
COMCOM
2007
149views more  COMCOM 2007»
14 years 9 months ago
Adaptive security design with malicious node detection in cluster-based sensor networks
Distributed wireless sensor networks have problems on detecting and preventing malicious nodes, which always bring destructive threats and compromise multiple sensor nodes. Theref...
Meng-Yen Hsieh, Yueh-Min Huang, Han-Chieh Chao
KDD
2009
ACM
194views Data Mining» more  KDD 2009»
15 years 10 months ago
Combining link and content for community detection: a discriminative approach
In this paper, we consider the problem of combining link and content analysis for community detection from networked data, such as paper citation networks and Word Wide Web. Most ...
Tianbao Yang, Rong Jin, Yun Chi, Shenghuo Zhu