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. Author manuscript; available in PMC: 2018 Jun 29.
Published in final edited form as: IEEE Signal Process Mag. 2017 Jul 11;34(4):43–59. doi: 10.1109/MSP.2017.2695801

Fig. 5.

Fig. 5

The cumulative percentage of the face dataset in Figure 4 in the image space, the Radon transform space, the Ridgelet transform space, and the Radon-CDT transform space.