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These features are similar to other AI-driven dating app features; in the last few years, as AI has taken over the tech space, it's also taken over The Apps. Hinge's Prompt Feedback, for instance, uses AI to encourage members to beef up their profiles, while Tinder's Photo Selector uses it to optimize one's photos, similar to Bumble's new AI Photo Feedback.
Instead of perturbing each pixel in the input image at random, we can choose to dither by a predetermined amount depending on the pixel’s position in the image. This can be achieved using a threshold map; a small, fixed-size matrix where each entry tells us the amount by which to perturb the input value , producing the dithered value . This matrix is tiled across the input image and sampled for every pixel during the dithering process. The following describes a dithering function for a 4×4 matrix given the pixel raster coordinates :