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We propose a novel image denoising strategy based on an enhanced sparse representation in transform domain. The enhancement of the sparsity is achieved by grouping similar 2-D image fragments (e.g., blocks) into 3-D data...

La investigación en análisis de imágenes y reconocimiento de patrones como auxilio al diagnóstico médico es ampliamente reconocida por su complejidad e importancia. En general, uno de los mayores problemas que pres...

We propose a new model for active contours to detect objects in a given image, based on techniques of curve evolution, Mumford-Shah (1989) functional for segmentation and level sets. Our model can detect objects whose bo...