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This is the presentation slides on the IEEE GlobalSIP2015 paper:"A novel nonlocal MRI reconstruction algorithm with patch-based low rank regularization".

For more information, you can refer to the paper and discuss with us on the conference.

Abstract—We describe and evaluate an algorithm for image reconstruction in 3D x-ray computed tomography. The proposed algorithm is similar to the class of projected gradient methods. The gradient descent for reducing the measurement misfit term is carried out using a stochastic gradient iteration and the gradient directions are weighted using weights suggested by parallel coordinate descent.