MATLAB Code for the following paper:

Data-driven tight frame for Cryo-EM image denoising and conformational classification

Yin Xian, Hanlin Gu, Wei Wang, Xuhui Huang, Yuan Yao, Yang Wang and Jian-Feng Cai

http://arxiv.org/abs/1810.08829

The current verion has been accepted by IEEE Global Signal and Information Processing 2018.