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Recently, pulse coupled neural network (PCNN) attracts much attention in image denoising as a nonlinear filtering technique. The PCNN‐based anisotropic diffusion (PCNN‐AD) method has been proposed previously for flicker noise reduction and its effectiveness has been demonstrated. Using the visual characteristics of PCNN, PCNN‐AD has also solved the problem of AD that AD is not able to suppress the...
Pulse Coupled Neural Network (PCNN) has gained widely attention in image noise reduction as a non-linear filtering technique. Conventional PCNN-based methods usually are combined with median filter or step-by-step modifying algorithm. There are mainly two problems. In one hand, such filtering approaches blur the edge when smoothing an image. In the other hand, it is difficult to properly estimate...
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