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Clustering-based Methods for Fast Epitome Generation

Abstract : This paper deals with epitome generation, mainly dedicated here to image coding applications. Existing approaches are known to be memory and time consuming due to exhaustive self-similarities search within the image for each non-overlapping block. We propose here a novel approach for epitome construction that first groups close patches together. In a second time the self-similarities search is performed for each group. By limiting the number of exhaustive searches we limit the memory occupation and the processing time. Results show that interesting complexity reduction can be achieved while keeping a good epitome quality (down to 18.08 % of the original memory occupation and 41.39 % of the original processing time).
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https://hal.inria.fr/hal-01008279
Contributor : Martin Alain <>
Submitted on : Tuesday, June 17, 2014 - 11:16:56 AM
Last modification on : Friday, July 10, 2020 - 4:11:48 PM
Long-term archiving on: : Wednesday, September 17, 2014 - 10:56:23 AM

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  • HAL Id : hal-01008279, version 1

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Martin Alain, Christine Guillemot, Dominique Thoreau, Philippe Guillotel. Clustering-based Methods for Fast Epitome Generation. European Signal Processing Conference (EUSIPCO 2014), Sep 2014, Lisbonne, Portugal. ⟨hal-01008279⟩

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