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Pyramidal_directional_filter_banks_and_curvelets.
- Abstract - A fl exible multiscale and directional representation for images is proposed. The scheme combines directional fi lter banks with the Laplacian pyramid to provides a sparse representation for two- dimensional piecewise smoot
matlab_4
- 基于matlab的4种梯度算子,Sobel Operator、Laplacian Operator、Prewitt Operator-Matlab based on the four kinds of gradient operator