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In modern digital imaging systems, the recording of high-speed, high-resolution video has been hindered by the limited data transfer bandwidth of electronics. Here we demonstrate ultrahigh-pixel-rate compressed photography using time delay integration (TDI) in which both the spatial and temporal resolutions are greatly enhanced. A dynamic scene is spatially encoded with a pseudo-random pattern, temporally modulated by the TDI camera, and streamed to a host computer for post-processing. The system can record a 0.85-megapixel video at a 200kHz frame rate (170 gigapixels per second). The corresponding pixel rate is two orders of magnitude greater than that of a conventional camera.
Jongchan Park andLiang Gao
"Ultrahigh-pixel-rate compressed photography using time delay integration", Proc. SPIE PC11971, High-Speed Biomedical Imaging and Spectroscopy VII, PC1197107 (2 March 2022); https://doi.org/10.1117/12.2612439
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Jongchan Park, Liang Gao, "Ultrahigh-pixel-rate compressed photography using time delay integration," Proc. SPIE PC11971, High-Speed Biomedical Imaging and Spectroscopy VII, PC1197107 (2 March 2022); https://doi.org/10.1117/12.2612439