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» Anomaly Detection Using an Ensemble of Feature Models
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ECCV
2008
Springer
14 years 9 months ago
Discriminative Sparse Image Models for Class-Specific Edge Detection and Image Interpretation
Abstract. Sparse signal models learned from data are widely used in audio, image, and video restoration. They have recently been generalized to discriminative image understanding t...
Julien Mairal, Marius Leordeanu, Francis Bach, Mar...
SEC
2008
13 years 9 months ago
Detecting More SIP Attacks on VoIP Services by Combining Rule Matching and State Transition Models
The Session Initiation Protocol (SIP) has been used widely for Voice over IP (VoIP) service because of its potential advantages, economical efficiency and call setup simplicity. Ho...
Dongwon Seo, Heejo Lee, Ejovi Nuwere
DICTA
2003
13 years 9 months ago
Gesture Classification Using Hidden Markov Models and Viterbi Path Counting
Human-Machine interfaces play a role of growing importance as computer technology continues to evolve. Motivated by the desire to provide users with an intuitive gesture input syst...
Nianjun Liu, Brian C. Lovell
CVPR
2008
IEEE
14 years 10 months ago
Spatio-temporal Saliency detection using phase spectrum of quaternion fourier transform
Salient areas in natural scenes are generally regarded as the candidates of attention focus in human eyes, which is the key stage in object detection. In computer vision, many mod...
Chenlei Guo, Qi Ma, Liming Zhang
ICDAR
2009
IEEE
14 years 2 months ago
HMM-Based Handwritten Amharic Word Recognition with Feature Concatenation
Amharic is the official language of Ethiopia and uses Ethiopic script for writing. In this paper, we present writer-independent HMM-based Amharic word recognition for offline hand...
Yaregal Assabie, Josef Bigün