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Denoising of MR (Magnetic Resonance) images is one of the crucial tasks in the field of medicine as it is often corrupted by Rician noise which exhibits a signal dependent behaviour at different SNR. Due to the biased nature of Rician noise, it is a challenging task to attenuate Rician noise from MR images. In this paper, we analyse the basic and effective MRI denoising techniques. Also, we have proposed...
Image super resolution attempts to extract high-resolution image using one or more corrupted low resolution images. Typical patch-wise sparse dictionary based super resolution reconstruction methods remove undesired effects but sometimes lead to blurring due to averaging of many high resolution (HR) patches. On the other hand, local self-similarity based super resolution (SR) suffers from insufficient...
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