8/6/2023 0 Comments Redacted image![]() Since a pixelated video can also be interpreted as low-resolution, using video upscaling techniques could be a viable approach. In case all frames are correctly blurred, a different approach is required. While this is usually desirable to reduce the spread of this information, it also makes it possible for a malicious actor to detect them easily and in an automated fashion by immediately downloading new uploads from documentary/news channels and diffing them with a download from a later date. In some of the observed cases, the mishaps were fixed after being noticed (e.g. Multiple camera shots, each leaking different information that can be combined (see the BTC QR code story).Missing blur in the first/last frame after/before a cut.Unblurred reporter's email address which could also be used to retrieve the previously blurred result page (and cyber bully her?) (the black box was added by me) Gaussian blur (or similar): Using a specific kernel, the new color of every pixel is influenced by its surrounding pixels (via a weighted average). ![]()
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