Papers › AMPA-Net: Optimization-Inspired Attention Neural Network for Deep Compressed Sensing

AMPA-Net: Optimization-Inspired Attention Neural Network for Deep Compressed Sensing

14 Oct 2020arXiv:2010.06907archive 2025-07-28

Nanyu Li, Charles C. Zhou

Compressed sensing (CS) is a challenging problem in image processing due to reconstructing an almost complete image from a limited measurement. To achieve fast and accurate CS reconstruction, we synthesize the advantages of two well-known methods (neural network and optimization algorithm) to propose a novel optimization inspired neural network which dubbed AMP-Net. AMP-Net realizes the fusion of the Approximate Message Passing (AMP) algorithm and neural network. All of its parameters are learned automatically. Furthermore, we propose an AMPA-Net which uses three attention networks to improve the representation ability of AMP-Net. Finally, We demonstrate the effectiveness of AMP-Net and AMPA-Net on four standard CS reconstruction benchmark data sets. Our code is available on https://github.com/puallee/AMPA-Net.

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