Non-uniqueness phenomenon of object representation in modelling IT cortex by deep convolutional neural network (DCNN)

Qiulei Dong, Bo Liu, Zhanyi Hu

Recently DCNN (Deep Convolutional Neural Network) has been advocated as a general and promising modelling approach for neural object representation in primate inferotemporal cortex. In this work, we show that some inherent non-uniqueness problem exists in the DCNN-based modelling of image object representations. This non-uniqueness phenomenon reveals to some extent the theoretical limitation of this general modelling approach, and invites due attention to be taken in practice.

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