Time Series Case Based Reasoning for Image Categorisation

Elsayed, Ashraf and Ahmad Hijazi, Mohd Hanafi and Coenen, Frans and García-Fiñana, Marta and Sluming, Vanessa A. and Zheng, Yalin (2011) Time Series Case Based Reasoning for Image Categorisation. In: 19th International Conference on Case-Based Reasoning, ICCBR 2011, 12-15 September 2011, London.


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This paper describes an approach to Case Based Reasoning (CBR) for image categorisation. The technique is founded on a time series analysis mechanism whereby images are represented as time series (curves) and compared using time series similarity techniques. There are a number of ways in which images can be represented as time series, this paper explores two. The first considers the entire image whereby the image is represented as a sequence of histograms. The second considers a particular feature (region of interest) contained across an image collection, which can then be represented as a time series. The proposed techniques then use dynamic time warping to compare image curves contained in a case base with that representing a new image example. The focus for the work described is two medical applications: (i) retinal image screening for Age-related Macular Degeneration (AMD) and (ii) the classification of Magnetic Resonance Imaging (MRI) brain scans according to the nature of the corpus callosum, a particular tissue feature that appears in such images. The proposed technique is described in detail together with a full evaluation in terms of the two applications.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Divisions: SCHOOL > School of Engineering and Information Technology
Depositing User: Users 25 not found.
Date Deposited: 17 Mar 2015 06:50
Last Modified: 09 Nov 2017 08:04
URI: http://eprints.ums.edu.my/id/eprint/10663

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