US EditionHiding secret codes in light protects against fake videos
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Hiding secret codes in light protects against fake videos
A team of Cornell researchers has developed a way to "watermark" light in videos, which they can use to detect if video is fake or has been manipulated. The idea is to hide information in nearly-invisible fluctuations of lighting at important events and locations. These fluctuations are designed to go unnoticed by humans, but are recorded as a hidden watermark in any video captured under the special lighting.Study: Noise-Coded Illumination for F…
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