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. Author manuscript; available in PMC: 2021 Jul 31.
Published in final edited form as: IEEE Trans Pattern Anal Mach Intell. 2020 Jul 9;PP:10.1109/TPAMI.2020.3008107. doi: 10.1109/TPAMI.2020.3008107

Fig. 7. Symmetry advantage in units important for classification.

Fig. 7

(A) Symmetry modulation index (Eq. 5) for horizontal and vertical objects. (B) Example gabor images used for the spatial frequency analysis (C) Average activity evoked by Gabors of varying spatial frequency for top-100 and bottom-100 units in the penultimate fully-connected layer of VGG-16. Error bars indicate s.e.m. across units; (D) Spatial frequency modulation index (Eq. 6) for top-100 and bottom-100 units. Error bars indicate s.e.m. ***** is p < 0.000005.