Canon develops a sensor that can shoot full color photos in the dark even where nothing is visible to the naked eye

https://petapixel.com/2021/12/07/canon-develops-a-sensor-that-can-shoot-full-color-photos-in-the-dark/

"a new type of light-receiving element called a single photon avalanche diode (SPAD) and is implementing it on a CMOS sensor... 3.2 million pixels, which it says is more than three times the resolution of conventional SPADs and makes it the highest-resolution sensor of its type ever made... designed to replace, or at least provide an alternative to, infrared night vision cameras"

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https://www.thedailybeast.com/machine-learning-turns-monochromatic-night-vision-into-a-rainbow-of-colors