Computer Science ›› 2011, Vol. 38 ›› Issue (8): 265-268.
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WANG Yu-xin,GUO He,HE Chang-qin,FENG Zhen,JIA Qi
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Abstract: An approach to recognize scene categories by means of a novel model named bag of spatial visual words was proposed. Images were hierarchically divided into sub regions and the spatial visual vocabulary was constructed by grouping the low-level features collected from every corresponding spatial sub region into a specified number of clusters using k-means algorithm. To recognize the category of a scene, the visual vocabulary distributions of all spatial sub regions were concatenated to form a global feature vector.The classification result was obtained using LIBSVM and two kinds of features were used in the experiments:"V1-like" filters and PACK features.
Key words: Scene classification,Bag of words, Spatial clustering, Spatial visual vocabulary, SVM
WANG Yu-xin,GUO He,HE Chang-qin,FENG Zhen,JIA Qi. Bag of Spatial Visual Words Model for Scene Classification[J].Computer Science, 2011, 38(8): 265-268.
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