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Title: Propagative Hough voting for human activity recognition
Authors: Yu, Gang
Yuan, Junsong
Liu, Zicheng
Keywords: Electrical and Electronic Engineering
Issue Date: 2012
Source: Yu, G., Yuan, J., & Liu, Z. (2012). Propagative Hough Voting for Human Activity Recognition. Proceedings of the 12th European conference on Computer Vision (ECCV12), 7574, 693-706.
Abstract: Hough-transform based voting has been successfully applied to both object and activity detections. However, most current Hough voting methods will su er when insu cient training data is provided. To address this problem, we propose propagative Hough voting for activity analysis. Instead of letting local features vote individually, we perform feature voting using random projection trees (RPT) which leverages the low-dimension manifold structure to match feature points in the high-dimensional feature space. Our RPT can index the unlabeled testing data in an unsupervised way. After the trees are constructed, the label and spatial-temporal con guration information are propagated from the training samples to the testing data via RPT. The proposed activity recognition method does not rely on human detection and tracking, and can well handle the scale and intra-class variations of the activity pat-terns. The superior performances on two benchmarked activity datasets validate that our method outperforms the state-of-the-art techniques not only when there is su cient training data such as in activity recognition, but also when there is limited training data such as in activity search with one query example.
DOI: 10.1007/978-3-642-33712-3_50
Rights: © 2012 Springer-Verlag Berlin Heidelberg. This is the author created version of a work that has been peer reviewed and accepted for publication by Proceedings of the 12th European conference on Computer Vision (ECCV12), Springer-Verlag Berlin Heidelberg. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Conference Papers

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