TY - RPRT TI - Non-uniform refinement: Adaptive regularization improves single particle cryo-EM reconstruction AU - Punjani, A. AU - Zhang, H. AU - Fleet, D. J. PY - 2019 DO - 10.1101/2019.12.15.877092 UR - https://www.biorxiv.org/content/10.1101/2019.12.15.877092v1 ID - 10.1101/2019.12.15.877092 ER -