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E. Spyrou, G. Koumoulos, Y. Avrithis and S. Kollias
Using Local Region Semantics for Concept Detection in Video
1st International Conference on Semantics And digital Media Technology (SAMT 2006), Athens, Greece
ABSTRACT
This paper presents a framework for the detection of semantic features in video sequences. Low-level feature extraction is performed on the keyframes of the shots and a "feature vector" including color and texture features is formed. A region "thesaurus" that contains all the high-level features is constructed using a subtractive clustering method.Then, a "model vector" that contains the distances from each region type is formed and a SVM detector is trained for each semantic concept. Experiments were performed using TRECVID 2005 development data.
06 December , 2006
E. Spyrou, G. Koumoulos, Y. Avrithis and S. Kollias, "Using Local Region Semantics for Concept Detection in Video", 1st International Conference on Semantics And digital Media Technology (SAMT 2006), Athens, Greece
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