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A Fast Block-Pruned 4x4 DTT Algorithm for Image Compression
2009
Journal of clean energy technologies
The Discrete Tchebichef transform (DTT) is a linear orthonormal version of the orthogonal Tchebichef polynomials, which is recently used in image analysis and compression. This paper presents a new fast block-pruned 4x4 DTT algorithm which is suitable for pruning the output coefficients in block fashion. The principle idea behind the proposed algorithm is the utilization of the distributed-arithmetic and the symmetry properties of 2-d DTT in order to combine similar terms of the linear
doi:10.7763/ijcte.2009.v1.41
fatcat:y2wgv2iadbh3xpvkhr5bbfjaqy