期刊
OPTICS EXPRESS
卷 29, 期 10, 页码 15747-15763出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.423892
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资金
- Key Research and Development Projects of Shaanxi Province [2020ZDLGY01-03]
- National Natural Science Foundation of China [51975483, 62006195]
- Science, Technology and Innovation Commission of Shenzhen Municipality [JCYJ20180508151936092]
A novel spatial and temporal super-resolution framework based on a recurrent neural network is proposed, achieving excellent reconstruction results and improving resolution of fluorescence images. The performance can be enhanced, running time reduced, and robustness against interference can be maintained.
A novel spatial and temporal super-resolution (SR) framework based on a recurrent neural network (RNN) is demonstrated. In this work, we learn the complex yet useful features from the temporal data by taking advantage of structural characteristics of RNN and a skip connection. The usage of supervision mechanism is not only making full use of the intermediate output of each recurrent layer to recover the final output, but also alleviating vanishing/exploding gradients during the back-propagation. The proposed scheme achieves excellent reconstruction results, improving both the spatial and temporal resolution of fluorescence images including the simulated and real tubulin datasets. Besides, robustness against various critical metrics, such as the full-width at half-maximum (FWHM) and molecular density, can also be incorporated. In the validation, the performance can be increased by more than 20% for intensity profile, and 8% for FWHM, and the running time can be saved at least 40% compared with the classic Deep-STORM method, a high-performance net which is popularly used for comparison. (C) 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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