NDLI: Pattern Mining in Visual Concept Streams

Content Provider	IEEE Xplore Digital Library
Author	Lexing Xie Shih-Fu Chang
Copyright Year	2006
Description	Author affiliation: IBM Thomas J. Watson Res. Center (Lexing Xie)
Abstract	Pattern mining algorithms are often much easier applied than quantitatively assessed. In this paper we address the pattern evaluation problem by looking at both the capability of models and the difficulty of target concepts. We use four different data mining models: frequent itemset mining, k-means clustering, hidden Markov model, and hierarchical hidden Markov model to mine 39 concept streams from the a 137-video broadcast news collection from TRECVID-2005. We hypothesize that the discovered patterns can reveal semantics beyond the input space, and thus evaluate the patterns against a much larger concept space containing 192 concepts defined by LSCOM. Results show that HHMM has the best average prediction among all models, however different models seem to excel in different concepts depending on the concept prior and the ontological relationship. Results also show that the majority of the target concepts are better predicted with temporal or combination hypotheses, and there are novel concepts found that are not part of the original lexicon. This paper presents the first effort on temporal pattern mining in the large concept space. There are many promising directions to use concept mining to help construct better concept detectors or to guide the design of multimedia ontology
Starting Page	297
Ending Page	300
File Size	790978
Page Count	4
File Format	PDF
ISBN	1424403667
DOI	10.1109/ICME.2006.262457
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-07-09
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Data mining Hidden Markov models Streaming media Ontologies Itemsets Clustering algorithms Predictive models Large-scale systems Government Shape control
Content Type	Text
Resource Type	Article

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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
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