NDLI: Image Tag Completion via Image-Specific and Tag-Specific Linear Sparse Reconstructions

Content Provider	IEEE Xplore Digital Library
Author	Zijia Lin Guiguang Ding Mingqing Hu Jianmin Wang Xiaojun Ye
Copyright Year	2013
Description	Author affiliation: Sch. of Software, Tsinghua Univ., Beijing, China (Guiguang Ding; Jianmin Wang; Xiaojun Ye) \|\| Dept. of Comput. Sci. & Technol., Tsinghua Univ., Beijing, China (Zijia Lin) \|\| Inst. of Comput. Technol., Beijing, China (Mingqing Hu)
Abstract	Though widely utilized for facilitating image management, user-provided image tags are usually incomplete and insufficient to describe the whole semantic content of corresponding images, resulting in performance degradations in tag-dependent applications and thus necessitating effective tag completion methods. In this paper, we propose a novel scheme denoted as LSR for automatic image tag completion via image-specific and tag-specific Linear Sparse Reconstructions. Given an incomplete initial tagging matrix with each row representing an image and each column representing a tag, LSR optimally reconstructs each image (i.e. row) and each tag (i.e. column) with remaining ones under constraints of sparsity, considering image-image similarity, image-tag association and tag-tag concurrence. Then both image-specific and tag-specific reconstruction values are normalized and merged for selecting missing related tags. Extensive experiments conducted on both benchmark dataset and web images well demonstrate the effectiveness of the proposed LSR.
Starting Page	1618
Ending Page	1625
File Size	593930
Page Count	8
File Format	PDF
ISBN	9780769549897
ISSN	10636919
DOI	10.1109/CVPR.2013.212
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-06-23
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Image reconstruction Tagging Vectors Sparse matrices Linear programming Semantics Visualization linear sparse reconstruction image tag completion
Content Type	Text
Resource Type	Article
Subject	Computer Vision and Pattern Recognition Software

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