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100,000 frames-per-second compressive imaging with a conventional rolling-shutter camera by random point-spread-function engineering
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DOI：10.1364/OE.402873.png)
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We demonstrate an approach that allows taking videos at very high frame-rates of over 100,000 frames per second by exploiting the fast sampling rate of the standard rolling-shutter readout mechanism, common to most conventional sensors, and a compressive-sampling acquisition scheme. Our approach is directly applied to a conventional imaging system by the simple addition of a diffuser to the pupil plane that randomly encodes the entire field-of-view to each camera row, while maintaining diffraction-limited resolution. A short video is reconstructed from a single camera frame via a compressed-sensing reconstruction algorithm, exploiting the inherent sparsity of the imaged scene. (C) 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
Keyword:
VIDEO
RECONSTRUCTION
PHOTOGRAPHY
期刊
IF:
3.3
论文数:
6.1W
被引数:
14.3W
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NATURE PHOTONICS
OAAI
NATURE PHOTONICSIF32.9
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