Skip to main content
. Author manuscript; available in PMC: 2020 Feb 1.
Published in final edited form as: IEEE Trans Med Imaging. 2018 Aug 30;38(2):596–607. doi: 10.1109/TMI.2018.2868045

Fig. 3.

Fig. 3.

Example dictionary atoms learned using either standard or locally-oriented image patches. For illustration purposes here, we display the central slice through 33 × 33 × 33 atoms for dictionaries using n = 100 atoms with a sparsity constraint Γ0 = 4.