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Conference Publication

A Robust Deep Unfolded Network for Sparse Signal Recovery from Noisy Binary Measurements

Host Publication: European Signal Processing Conference

Authors: Y. Yang, P. Xiao, B. Liao and N. Deligiannis

Publisher: IEEE

Publication Year: 2020

Number of Pages: 5


Abstract:

We propose a novel deep neural network, coined DeepFPC-L2, for solving the 1-bit compressed sensing problem. The network is designed by unfolding the iterations of the fixed-point continuation (FPC) algorithm with one-sided L2-norm (FPC-L2). The DeepFPC-L2 method shows higher signal reconstruction accuracy and convergence speed than the traditional FPC-L2 algorithm. Furthermore, we compare its robustness to noise with the previously proposed DeepFPC network—which stemmed from unfolding the FPC-L1 algorithm—for different signal to noise ratio (SNR) and sign-flipped ratio (flip ratio) scenarios. We show that the proposed network has better noise immunity than the previous DeepFPC method. This result indicates that the robustness of a deep-unfolded neural network is related with that of the algorithm it stems from.

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Miss Yuqing Yang

+32 (0)2 629 2930

yyanga@etrovub.be

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Prof. Dr. Ir. Nikolaos Deligiannis

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ndeligia@etrovub.be

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