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A High-Recall Self-Improving Web Crawler That Finds Images Using Captions

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Author
Rowe, Neil C.
Date
2002-07
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Abstract
Finding multimedia objects to meet some need is considerably harder on the World Wide Web than finding text because content-based retrieval of multimedia is much harder than text retrieval and caption text is inconsistently placed. We describe a Web "crawler" and caption filter MARIE-4 we have developed that searches the Web to find text likely to be image captions and its associated image objects. Rather than examining a few features like existing systems, it uses broad set of criteria including some novel ones to yield higher recall than competing systems, which generally focus on high precision. We tested these criteria in careful experiments that extracted 8140 caption candidates for 4585 representative images, and quantified for the first time the relative value of several kinds of clues for captions. The crawler is self-improving in that it obtains from experience further statistics as positive and negative clues. We index the results found by the crawler and provide a user interface. We have done a demonstration implementation of a Web search engine for all 667,573 publicly-accessible U.S. Navy Web images.
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IEEE Intelligent Systems, July/August2002
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http://hdl.handle.net/10945/35973
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Showing items related by title, author, creator and subject.

  • Thumbnail

    Marie-4: A High-Recall, Self-Improving Web Crawler That Finds Images Using Captions 

    Rowe, Neil C. (2002);
    Marie-4, a Web crawler and caption filter, searches the Web to find image captions and the associated image objects. It uses a broad set of criteria to yield higher recall than competing systems, which generally focus ...
  • Thumbnail

    Exploiting captions in retrieval of multimedia data 

    Rowe, Neil C.; Guglielmo, Eugene J. (Monterey, California. Naval Postgraduate School, 1992-07); NPS-CS-92-011
    Descriptive natural-language captions can help organize multimedia data. We described our MARIE system that interprets English queries directing the fetch of media objects. it is novel in the extent to which it exploits ...
  • Thumbnail

    Exploiting Captions for Web Data Mining by Neil C. Rowe 

    Rowe, Neil C. (Monterey, California. Naval Postgraduate School, 2004);
    We survey research on using captions in data mining from the Web. Captions are text that describes some other information (typically, multimedia). Since text is considerably easier to index and manipulate than non-text ...
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