Releases·Model Release
Show HN: MultiMatte, a Promptable Image Background Removal Model
Feyn, a company that builds custom models from client data, released MultiMatte, a background removal model controlled via text prompts: users name an object in an image and the model keeps only that object. The model is open source, with a companion NoBg library on GitHub and a live demo.
57 engagement1 sourceThu, Sep 10, 2026, 03:50 PM
AI Overview
- Feyn releases MultiMatte, an open-source promptable background removal model built on Meta's SAM 3, via its NoBg library.
- MultiMatte replaces binary masks with alpha mattes assigning per-pixel opacity, better capturing hair, fur, and motion blur.
- MultiMatte lifts DIS5K S-measure from 0.674 to 0.908 (+34.6%) and DUT-OMRON from 0.792 to 0.901 (+13.7%) over SAM 3.
- Unlike models keeping all foreground, MultiMatte keeps user-named objects only; it succeeds Feyn's earlier FeyNoBg model.
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Related
Releases·Model Release
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145 engagement1 sourcehackernewsMon, Jul 27, 2026, 04:59 PM
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1 engagement1 sourcehackernewsWed, Aug 5, 2026, 10:21 AM
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