Yandex reverse image search not working8/23/2023 ![]() The most significant bit is that the algorithm can identify how different the images being compared are. ![]() When algorithm runs against their databases of indexed images, various algorithms might be deployed, like SIFT (Scale-Invariant Feature Transform) or SURF (Speeded Up Robust Features). Now an image might be represented by just a few lists of colors, rather than 250,000 pixels. Each RIS uses a slightly different method, but most of them divide the image up into smaller sections.įor each section, an RIS will make a list of the top 5 most often used pixel colors and store the result. The RIS selects a method to compare images that doesn’t take too long. Users can upload a simple or complex image they want to find to RIS, which then compares it to all the stored copies and looks for a match.Įach image is made up of many tiny dots called pixels, and one image found on the internet may have 250,000 or more of these pixels. ![]() Reverse image search (RIS) stores copies of lots of images on a big computer somewhere. "ELI5: How do reverse image searches work?"
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