Proceedings of the 27th annual conference on Computer graphics and interactive techniques
Geometric surface processing via normal maps
ACM Transactions on Graphics (TOG)
Digital Image Processing (3rd Edition)
Digital Image Processing (3rd Edition)
Handbook of Data Compression
Fast query for exemplar-based image completion
IEEE Transactions on Image Processing
Region filling and object removal by exemplar-based image inpainting
IEEE Transactions on Image Processing
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This paper proposes a new technique to smooth undesirable elements of the atmosphere, such as fogs, clouds and shadows, which damage and lead to loss of image data. In our approach, an efficient way to detect clouds and shadows is presented. The method applies constants related to such undesirable elements, as well as a High boost Filter in the homomorphic filtering for scattered clouds removal. We highlight the use of the Inpainting method, which replaces contaminated pixels using a nearest neighbor interpolation. Beside this, the proposed algorithm adopts a morphologic opening of the image that aims to suppress some isolated occurrences in the scene. The results are evaluated by Kappa coefficient and PSNR index, proving the good performance of the method.