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A new method is proposed based on fractional differential, which can enhance the remote sensing image, especially the texture details. First, the properties of fractional differential are discussed, and some important conclusions are drawn. Then, the numerical algorithm of fractional differential is studied, and an operator is constructed, by which the operation of fractional differential can be implemented...
Detection of local feature covariant region is a new technology of image contents and image semantic representations, and it has become an important foundation of the image recognition, learning and understanding. First, a Laplace of Gaussian corner detection method is proposed based on edge contour curves, in the meantime, a new local feature descriptor, named covariant support region, is introduced...
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