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Scene recognition with objectness
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DOI：10.1016/j.patcog.2017.09.025.png)
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Abstract
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In this paper, we present a feature description method called semantic descriptor with objectness (SDO) for scene recognition. Most existing scene representation methods exploit the characteristics of constituent objects in scenes with inter-class independence, which ignore the negative effects caused by the common objects among different scenes. The generic characteristics of the common objects cause some generality among different scenes, which weakens the discriminative characteristics among scenes. To address this problem, we exploit the correlations of object configurations among different scenes by the co-occurrence pattern of all objects across scenes to choose representative and discriminative objects which enhances the inter-class discriminability. Specifically, we capture the statistic information of objects appearing in each scene to compute the distribution of each object across scenes, which obtains the co-occurrence pattern of objects. Moreover, we represent the image descriptors with the occurrence probabilities of discriminative objects in image patches to eliminate the negative effects of common objects. To make image descriptors more discriminative, we discard the patches with non-discriminative objects to enhance the intra-class generalized characteristics. Experimental results on three widely used scene recognition datasets show that our method outperforms the state-of-the-art methods. (C) 2017 Elsevier Ltd. All rights reserved.
Keywords:
Scene recognition
Deep learning
Co-occurrence pattern
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