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Part of the book series: The Information Retrieval Series ((INRE,volume 33))

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Abstract

This chapter examines the challenges and opportunities of Multimedia Information Retrieval and corresponding search engine applications. Computer technology has changed our access to information tremendously: We used to search authors or titles (which we had to know) in library cards in order to locate relevant books; now we can issue keyword searches within the full text of whole book repositories in order to identify authors, titles and locations of relevant books. What about the corresponding challenge of finding multimedia by fragments, examples and excerpts? Rather than asking for a music piece by artist and title, can we hum its tune to find it? Can doctors submit scans of a patient to identify medically similar images of diagnosed cases in a database? Can your mobile phone take a picture of a statue and tell you about its artist and significance via a service that it sends this picture to?

In an attempt to answer some of these questions we get to know basic concepts of multimedia resource discovery technologies for a number of different query and document types: piggy-back text search, i.e., reducing the multimedia to pseudo text documents; automated annotation of visual components; content-based retrieval where the query is an image; and fingerprinting to match near duplicates.

Some of the research challenges are given by the semantic gap between the simple pixel properties computers can readily index and high-level human concepts; related to this is an inherent technological limitation of automated annotation of images from pixels alone. Other challenges are given by polysemy, i.e., the many meanings and interpretations that are inherent in visual material and the corresponding wide range of a user’s information need.

This chapter demonstrates how these challenges can be tackled by automated processing and machine learning and by utilising the skills of the user, for example through browsing or through a process that is called relevance feedback, thus putting the user at centre stage. The latter is made easier by “added value” technologies, exemplified here by summaries of complex multimedia objects such as TV news, information visualisation techniques for document clusters, visual search by example, and methods to create browsable structures within the collection.

This book chapter is an updated re-print of Rüger (2009), Multimedia resource discovery, in Göker and Davies (eds), Information Retrieval: Searching in the 21st Century, pp. 39–62, Wiley, with excerpts from Rüger (2010), Multimedia information retrieval, Lecture notes in the series Synthesis Lectures on Information Concepts, Retrieval, and Services, Morgan and Claypool Publishers, http://dx.doi.org/10.2200/S00244ED1V01Y200912ICR010.

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Notes

  1. 1.

    See http://dir.yahoo.com/.

  2. 2.

    See http://www.mkweb.co.uk/places_to_visit/displayarticle.asp?id=411 accessed Aug 2010.

  3. 3.

    See http://www.oclc.org/worldcat/statistics accessed Aug 2010.

  4. 4.

    See http://flickr.com.

  5. 5.

    See http://www.youtube.com.

  6. 6.

    See http://www.apple.com/itunes.

  7. 7.

    See http://del.icio.us.

  8. 8.

    See http://www.behold.cc.

  9. 9.

    Topic 124 of TRECVid 2003, see http://www-nlpir.nist.gov/projects/tv2003.

  10. 10.

    See http://www.chlt.org.

  11. 11.

    See http://www.flickr.com.

  12. 12.

    See http://del.icio.us.

  13. 13.

    See http://plasma.nationalgeographic.com/map-machine/ as of January 2011.

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Acknowledgements

Outlining the paradigms in this chapter and their implementations would not have been possible without the ingenuity, imagination and hard work of Paul Browne, Matthew Carey, Shyamala Doraisamy, Daniel Heesch, Peter Howarth, Suzanne Little, Haiming Liu, Ainhoa Llorente, João Magalhães, Alexander May, Simon Overell, Marcus Pickering, Adam Rae, Edward Schofield, Shalini Sewraz, Dawei Song, Lawrence Wong and Alexei Yavlinsky.

Credits

The photograph in Fig. 7.1 (Milton Keynes Peace pagoda) by Stefan Rüger, July 2007, was first published in Rüger (2010). Figure 7.2 is a mock-up based on the existing üBase search engine, see Fig. 7.14, with modifications by Peter Devine and was previously published in Rüger (2010). Figure 7.3 (new search engine types) was designed by Peter Devine and published in Rüger (2010). Figures 7.5, 7.6 and 7.9 use royalty-free images from Corel Gallery 380,000, © Corel Corporation, all rights reserved. Figure 7.7 (Behold) by Alexei Yavlinsky are screenshots from http://photo.beholdsearch.com, 19 July 2007, now http://www.behold.cc with thumbnails of creative-commons Flickr images. The photograph in Fig. 7.8 © by Stefan Rüger, taken May 1996 in the Nord Jyllands Kunstmuseum, Ålborg. Figures 7.8 and 7.9 were published in Rüger (2010). The screenshots in Figs. 7.107.14 and 7.167.18 are reproduced courtesy of © Imperial College London. The ANSES system in Fig. 7.10 was originally designed by Marcus Pickering and later modified by Lawrence Wong; the images and part of the text displayed in the screenshot of Fig. 7.10 were recorded from British Broadcasting Corporation (BBC), http://www.bbc.co.uk. The Sammon map in Fig. 7.11 and the radial visualisation in Fig. 7.13 were designed by Matthew Carey. The Dendro map in Fig. 7.12 was designed by Daniel Heesch. The üBase system depicted in the screenshots of Figs. 7.14(a), 7.14(b) and 7.16(a) was designed by Alexander May. The images used within the screenshot of Fig. 7.14 and within the illustration of Fig. 7.15 were reproduced from Corel Gallery 380,000, © Corel Corporation, all rights reserved. The images in the (partial) screenshots of Figs. 7.16 and 7.17 were reproduced from TREC Video Retrieval Evaluation 2003 (TRECVid), http://www-nlpir.nist.gov/projects. The geotemporal browsing screenshot in Fig. 7.18 was created by Simon Overell.

Fig. 7.12
figure 12

Dendro Map—A plane-spanning binary tree (query “Beethoven”)

Fig. 7.13
figure 13

Radial visualisation

Fig. 7.14
figure 14

Visual search for images of dark doors starting with a bright-door example

Fig. 7.15
figure 15

A relevance feedback

Fig. 7.16
figure 16

Lateral browsing for an image “from behind the pitcher in a baseball game…”

Fig. 7.17
figure 17

Alternative ways to browse for images “from behind the pitcher …”

Fig. 7.18
figure 18

Geo-temporal browsing in action

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Rüger, S. (2011). Multimedia Resource Discovery. In: Melucci, M., Baeza-Yates, R. (eds) Advanced Topics in Information Retrieval. The Information Retrieval Series, vol 33. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-20946-8_7

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