Two-stage image denoising


COMPUTER COURSE ONLINE

Two-stage image denoising by principal component analysis with local pixel grouping

FREE-DOWNLOAD L Zhang, W Dong, D Zhang… – Pattern Recognition, 2010 – Elsevier
a PCA-based scheme was proposed for image denoising by using a moving window to
calculate the . However, this scheme applies PCA directly to the noisy image without data selection
and many noise residual and visual artifacts will appear in the denoised outputs




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