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A new stereo image matching technique using mutual information

Fookes, Clinton B., Lamanna, A. , & Bennamoun, Mohammed (2001) A new stereo image matching technique using mutual information. In International Conference on Computer Graphics and Imaging, 13-16 August 2001, Honolulu, USA.

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Abstract

In this paper we present a new method for matching stereo image pairs. This technique is based on a formulation of mutual information, a new information theoretic topic that has recently seen a prolific expansion in the computer vision and medical imaging field. Mutual information is an intensity-based technique and we formulate this similarity metric with the use of Shannon’s information theorem. Our approach also incorporates adaptive window sizes based on the amount of information contained in the candidate and template windows. Windows containing high information, indicated by large intensity variances, are matched using small square windows. However, windows with low information, indicated by small intensity variances, are matched using larger rectangular windows. Experimental results for a number of stereo pairs indicate that the adaptive mutual information measure shows significant promise for stereo matching, particularly due to its robustness in overcoming the effects of radiometric distortion and improvedmatching in bland regions.

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ID Code: 17898
Item Type: Conference Paper
Additional Information: Self-archiving of the author-version is not yet supported by this publisher. For more information, please refer to the journal’s website (see hypertext link) or contact the author.
Keywords: Stereo Image Matching, Mutual Information
Subjects: Australian and New Zealand Standard Research Classification > INFORMATION AND COMPUTING SCIENCES (080000) > ARTIFICIAL INTELLIGENCE AND IMAGE PROCESSING (080100) > Computer Vision (080104)
Australian and New Zealand Standard Research Classification > INFORMATION AND COMPUTING SCIENCES (080000) > ARTIFICIAL INTELLIGENCE AND IMAGE PROCESSING (080100) > Image Processing (080106)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > Schools > School of Engineering Systems
Copyright Owner: Copyright 2001 ACTA Press
Deposited On: 18 Feb 2009 08:49
Last Modified: 11 Aug 2011 01:24

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