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Neural Architecture Search for Deep Image Prior

2020-01-14 13:51:32
Kary Ho, Andrew Gilbert, Hailin Jin, John Collomosse

Abstract

We present a neural architecture search (NAS) technique to enhance the performance of unsupervised image de-noising, in-painting and super-resolution under the recently proposed Deep Image Prior (DIP). We show that evolutionary search can automatically optimize the encoder-decoder (E-D) structure and meta-parameters of the DIP network, which serves as a content-specific prior to regularize these single image restoration tasks. Our binary representation encodes the design space for an asymmetric E-D network that typically converges to yield a content-specific DIP within 10-20 generations using a population size of 500. The optimized architectures consistently improve upon the visual quality of classical DIP for a diverse range of photographic and artistic content.

Abstract (translated)

URL

https://arxiv.org/abs/2001.04776

PDF

https://arxiv.org/pdf/2001.04776.pdf


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