NDLI: Robust image annotation via simultaneous feature and sample outlier pursuit (TOMM, Vol.9, Issue 4)

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Robust image annotation via simultaneous feature and sample outlier pursuit (TOMM, Vol.9, Issue 4)

Content Provider	ACM Digital Library
Author	Chen, Xiangyu Yan, Shuicheng Cheng, Bin Dong, Jian Chua, Tat-Seng Zhou, Xi
Copyright Year	2013
Abstract	Graph-based semi-supervised image annotation has achieved great success in a variety of studies, yet it essentially and intuitively suffers from both the irrelevant/noisy features (referred to as feature outliers) and the unusual/corrupted samples (referred to as sample outliers). In this work, we investigate how to derive robust sample affinity matrix via simultaneous feature and sample outlier pursuit. This task is formulated as a Dual-outlier and Prior-driven Low-Rank Representation (DP-LRR) problem, which possesses convexity in objective function. In DP-LRR, the clean data are assumed to be self-reconstructible with low-rank coefficient matrix as in LRR; while the error matrix is decomposed as the sum of a row-wise sparse matrix and a column-wise sparse matrix, the $ℓ_{2,1}-norm$ minimization of which encourages the pursuit of feature and sample outliers respectively. The DP-LRR is further regularized by the priors from side information, that is, the inhomogeneous data pairs. An efficient iterative procedure based on linearized alternating direction method is presented to solve the DP-LRR problem, with closed-form solutions within each iteration. The derived low-rank reconstruction coefficient matrix is then fed into any graph based semi-supervised label propagation algorithm for image annotation, and as a by-product, the cleaned data from DP-LRR can also be utilized as a better image representation to generally boost image annotation performance. Extensive experiments on MIRFlickr, Corel30K, NUS-WIDE-LITE and NUS-WIDE databases well demonstrate the effectiveness of the proposed formulation for robust image annotation.
Starting Page	1
Ending Page	20
Page Count	20
File Format	PDF
ISSN	15516857
e-ISSN	15516865
DOI	10.1145/2501643.2501646
Volume Number	9
Issue Number	4
Journal	ACM Transactions on Multimedia Computing, Communications, and Applications (TOMM)
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2013-08-19
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Low-Rank Representation Sample and feature outlier removal
Content Type	Text
Resource Type	Article
Subject	Hardware and Architecture Computer Networks and Communications

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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