MultiMatte, a Promptable Image Background Removal Model
SMRTR summary
MultiMatte is a new AI tool that removes image backgrounds based on text prompts, letting users name an object to keep while everything else gets cut out. Built on Meta's SAM 3 model, it improves background removal by using alpha mattes instead of binary masks, better handling tricky edges like hair, scoring 0.901 versus SAM 3's 0.667.
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