Sparsity-based Color Image Super Resolution via Exploiting Cross Channel Constraints.
IEEE Transactions on Image Processing(2017)
摘要
Sparsity constrained single image super-resolution (SR) has been of much recent interest. A typical approach involves sparsely representing patches in a low-resolution (LR) input image via a dictionary of example LR patches, and then using the coefficients of this representation to generate the high-resolution (HR) output via an analogous HR dictionary. However, most existing sparse representation...
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关键词
Image color analysis,Dictionaries,Image edge detection,Spatial resolution,Correlation,Image reconstruction
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