Poster

Exploring Image Regions Not Well Encoded by an INN

Zenan Ling · Fan Zhou · Meng Wei · Quanshi Zhang

[ Abstract ]
Wed 30 Mar 3:30 a.m. PDT — 5 a.m. PDT

Abstract:

This paper proposes a method to clarify image regions that are not well encoded by an invertible neural network (INN), i.e., image regions that significantly decrease the likelihood of the input image. The proposed method can diagnose the limitation of the representation capacity of an INN. Given an input image, our method extracts image regions, which are not well encoded, by maximizing the likelihood of the image. We explicitly model the distribution of not-well-encoded regions. A metric is proposed to evaluate the extraction of the not-well-encoded regions. Finally, we use the proposed method to analyze several state-of-the-art INNs trained on various benchmark datasets.

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