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PAMI
2011

CENTRIST: A Visual Descriptor for Scene Categorization

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CENTRIST: A Visual Descriptor for Scene Categorization
—CENTRIST (CENsus TRansform hISTogram), a new visual descriptor for recognizing topological places or scene categories, is introduced in this paper. We show that place and scene recognition, especially for indoor environments, require its visual descriptor to possess properties that are different from other vision domains (e.g. object recognition). CENTRIST satisfies these properties and suits the place and scene recognition task. It is a holistic representation and has strong generalizability for category recognition. CENTRIST mainly encodes the structural properties within an image and suppresses detailed textural information. Our experiments demonstrate that CENTRIST outperforms the current state-of-the-art in several place and scene recognition datasets, compared with other descriptors such as SIFT and Gist. Besides, it is easy to implement and evaluates extremely fast.
Jianxin Wu, James M. Rehg
Added 17 Sep 2011
Updated 17 Sep 2011
Type Journal
Year 2011
Where PAMI
Authors Jianxin Wu, James M. Rehg
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