Please use this identifier to cite or link to this item: https://doi.org/10.1109/ROBOT.2006.1642221
Title: Feature representation based on intrinsic structure discovery in high dimensional space
Authors: Ge, S.S. 
Guan, F.
Loh, A.P. 
Fua, C.H.
Issue Date: 2006
Source: Ge, S.S.,Guan, F.,Loh, A.P.,Fua, C.H. (2006). Feature representation based on intrinsic structure discovery in high dimensional space. Proceedings - IEEE International Conference on Robotics and Automation 2006 : 3399-3404. ScholarBank@NUS Repository. https://doi.org/10.1109/ROBOT.2006.1642221
Abstract: In this paper, an image is regarded as a collection of image patches that can be referred to as points with certain intrinsic structures/patterns in high-dimensional space. These structures contain vital information of image features and thus provide a novel method for image feature representation. To discover these intrinsic structures, we first propose neighborhood linear embedding (NLE), an unsupervised learning algorithm, to discover neighborhood relationship and global distribution of input data simultaneously. Secondly, NLE is extended to discover the clustering structure of data by incorporating with a Euclidean distance histogram and a series of band pass filters. Finally, by combining with a dimensionality reduction technique, the discovered intrinsic structures are visualized and manipulated in low-dimensional space in the format known as embeddings. The proposed NLE allows the discovery process to adapt to the characteristics of input data. In addition, it is revealed that an image feature composed of image patches can be tracked by tracking the contour containing embeddings of the corresponding image patches. © 2006 IEEE.
Source Title: Proceedings - IEEE International Conference on Robotics and Automation
URI: http://scholarbank.nus.edu.sg/handle/10635/70324
ISBN: 0780395069
ISSN: 10504729
DOI: 10.1109/ROBOT.2006.1642221
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