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Conference Papers Year : 2011

Adaptive pixel/patch-based synthesis for texture compression

Abstract

This paper presents an adaptive scheme for synthesizing missing textured regions. In synthesis-based compression approaches, large textures are removed at encoder side and filled in at decoder side. This work proposes a synthesizer in which both complementary pixel-based and patch-based approaches are used. According to results shown by synthesis algorithms, patch-based and pixel-based approaches are efficient with different kinds of texture. Two algorithms are adapted to the region synthesis context: the sample patch is built from surrounding texture and potential anchor blocks inside the removed region; the scan order depends on a confidence map in order to take advantage of the designed patch; DCT-descriptors provide the minimum size of matching window which is a required parameter for both synthesizers. Finally an "a posteriori" gradient based assessor enables the synthesizer to switch between algorithms.
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Dates and versions

hal-00600159 , version 1 (14-06-2011)

Identifiers

  • HAL Id : hal-00600159 , version 1

Cite

Fabien Racapé, Simon Lefort, Edouard Francois, Marie Babel, Olivier Déforges. Adaptive pixel/patch-based synthesis for texture compression. IEEE International Conference on Image Processing, ICIP, Sep 2011, Brussels, Belgium. pp.1-4. ⟨hal-00600159⟩
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