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10.4108/ICST.MOBIMEDIA2009.7406guideproceedingsArticle/Chapter ViewAbstractPublication PagesConference Proceedingsacm-pubtype
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Location coding for mobile image retrieval

Published: 07 September 2009 Publication History

Abstract

For mobile image retrieval, efficient data transmission can be achieved by sending only the query features. Each query feature is composed of a descriptor and a location in the image. The former is used to find candidate matching images using a "bag-of-words" approach while the latter is used in a geometric consistency check to map features in the query image to corresponding features in the database image.
We investigate how to compress the location information and how lossy compression affects the geometric consistency check. The location information is converted into a location histogram and a context-based arithmetic coding with location refinement method is then proposed to code the histogram. The effects of lossily compressing the location information are evaluated empirically in terms of the errors in corresponding features and the error of the estimated geometric transformation model. From our experiments, rates at ~5.1 bits per feature can achieve errors comparable to lossless coding. The proposed scheme achieves a 12.5x rate reduction compared to the floating point representation, and 2.8x rate reduction compared to a fixed point representation.

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      cover image Guide Proceedings
      Mobimedia '09: Proceedings of the 5th International ICST Mobile Multimedia Communications Conference
      September 2009
      360 pages
      ISBN:9789639799622

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      • ICST

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      ICST (Institute for Computer Sciences, Social-Informatics and Telecommunications Engineering)

      Brussels, Belgium

      Publication History

      Published: 07 September 2009

      Author Tags

      1. content-based image retrieval
      2. mobile augmented reality
      3. scalable vocabulary tree
      4. scale-invariant feature

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      • (2016)A survey on high coherence visual media retargetingFrontiers of Computer Science: Selected Publications from Chinese Universities10.1007/s11704-016-6084-310:5(778-796)Online publication date: 1-Oct-2016
      • (2016)Fast verification via statistical geometric for mobile visual searchMultimedia Systems10.1007/s00530-015-0452-y22:4(525-534)Online publication date: 1-Jul-2016
      • (2013)Learning Compact Visual Descriptors for Low Bit Rate Mobile Landmark SearchAI Magazine10.1609/aimag.v34i2.246934:2(67-85)Online publication date: 1-Jun-2013
      • (2013)Learning from mobile contexts to minimize the mobile location search latencyImage Communication10.1016/j.image.2012.05.00628:4(368-385)Online publication date: 1-Apr-2013
      • (2012)Geometric context-preserving progressive transmission in mobile visual searchProceedings of the 20th ACM international conference on Multimedia10.1145/2393347.2396355(953-956)Online publication date: 29-Oct-2012
      • (2011)Towards low bit rate mobile visual search with multiple-channel codingProceedings of the 19th ACM international conference on Multimedia10.1145/2072298.2072372(573-582)Online publication date: 28-Nov-2011
      • (2010)Low latency image retrieval with progressive transmission of CHoG descriptorsProceedings of the 2010 ACM multimedia workshop on Mobile cloud media computing10.1145/1877953.1877966(41-46)Online publication date: 29-Oct-2010
      • (2010)Mobile product recognitionProceedings of the 18th ACM international conference on Multimedia10.1145/1873951.1874293(1587-1590)Online publication date: 25-Oct-2010
      • (2009)Low-rate image retrieval with tree histogram codingProceedings of the 5th International ICST Mobile Multimedia Communications Conference10.4108/ICST.MOBIMEDIA2009.7496(1-7)Online publication date: 7-Sep-2009

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