“noise”

Why a Photo Will Not Cut Out Cleanly, and How to Tell Before You Download Anything

Four measurable properties decide whether a background remover produces a clean edge or a fuzzy band: sharpness, clipping, how abruptly the edges turn over, and whether the subject shares its colours with the background. All four can be measured in a fraction of a second, for free, before a 45 to 192 MB model is fetched.