Search Results for author: Ningyi Leng

Found 3 papers, 1 papers with code

Phase Retrieval with Background Information: Decreased References and Efficient Methods

no code implementations16 Aug 2023 Ziyang Yuan, Haoxing Yang, Ningyi Leng, Hongxia Wang

Furthermore, two methods called Background Douglas-Rachford (BDR) and Convex Background Douglas-Rachford (CBDR) are proposed.

Retrieval

Untrained neural network embedded Fourier phase retrieval from few measurements

1 code implementation16 Jul 2023 Liyuan Ma, Hongxia Wang, Ningyi Leng, Ziyang Yuan

FPR with few measurements is important for reducing time and hardware costs, but it suffers from serious ill-posedness.

Retrieval

ADMM based Fourier phase retrieval with untrained generative prior

no code implementations23 Oct 2022 Liyuan Ma, Hongxia Wang, Ningyi Leng, Ziyang Yuan

Then an untrained generative network is embedded in the iterative process of ADMM to project an estimated signal into the generative space, and the projected signal is applied to next iteration of ADMM.

Retrieval

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