Papers › 0.8% Nyquist computational ghost imaging via non-experimental deep learning

0.8% Nyquist computational ghost imaging via non-experimental deep learning

17 Aug 2021arXiv:2108.07673archive 2025-07-28

Haotian Song, Xiaoyu Nie, Hairong Su, Hui Chen, Yu Zhou, Xingchen Zhao, Tao Peng, Marlan O. Scully

We present a framework for computational ghost imaging based on deep learning and customized pink noise speckle patterns. The deep neural network in this work, which can learn the sensing model and enhance image reconstruction quality, is trained merely by simulation. To demonstrate the sub-Nyquist level in our work, the conventional computational ghost imaging results, reconstructed imaging results using white noise and pink noise via deep learning are compared under multiple sampling rates at different noise conditions. We show that the proposed scheme can provide high-quality images with a sampling rate of 0.8% even when the object is outside the training dataset, and it is robust to noisy environments. This method is excellent for various applications, particularly those that require a low sampling rate, fast reconstruction efficiency, or experience strong noise interference.

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3D Face ModellingDeep LearningDomain GeneralizationImage ReconstructionLanguage ModellingLow-Light Image EnhancementOpen-Domain Question AnsweringQuestion Answering

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Open-Domain Question Answering Natural Questions FiE Exact Match 58.4 #1 of 5 Archive leaderboard report
Question Answering Natural Questions (long) FiE EM 58.4 #9 of 13 Archive leaderboard report

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