Signal Extrapolation for Image and Video Error Concealment Using Gaussian Processes With Adaptive Nonstationary Kernels.
IEEE Signal Processing Letters(2012)
摘要
In this letter, a new adaptive Gaussian process (GP) frame work for signal extrapolation is proposed. Signal extrapolation is an essential task in many applications such as concealment of corrupted data in image and video communications. While possessing many interesting properties, Gaussian process priors with inappropriate stationary kernels may create extremely blurred edges in concealed areas ...
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关键词
Kernel,Image edge detection,Gaussian processes,Extrapolation,Bayesian methods,Image reconstruction,Euclidean distance
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