Abstract
We propose an enhancement of the B-Tree-Triangulation coding technique in a Riemannian framework . Our method focuses on the subdivision criteria in the triangulation process, and compares results obtained by means of two different metrics: the Euclidean and the Riemannian one. Comparison between input and compressed/decompressed images, in terms of a set of image quality measures, shows better performance of Riemannian triangulation in low intensity levels, while using Euclidean distance works better in high intensities. We therefore propose two combined decision cirtirea and compare image quality measures. Results show an enhancement of image quality at similar compression rates, and are promissing for further adjustments to specific applications.
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Triki, O., Zéraï, M. (2013). Color Image Compression by Riemannian B-Tree Triangular Coding. In: Bebis, G., et al. Advances in Visual Computing. ISVC 2013. Lecture Notes in Computer Science, vol 8034. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-41939-3_56
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DOI: https://doi.org/10.1007/978-3-642-41939-3_56
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