SAM2 ONNX Mirror (A.I.M.I)

Mirror of SharpAI's SAM2 ONNX exports for A.I.M.I's "Smart-Mask" (click-to-select) feature. Used by the Edit tab's SAM2 workflow — user clicks anywhere on a subject, gets a pixel-perfect alpha mask in ~500 ms.

Contents unmodified from upstream.

Files

hiera-tiny/ — small + fast (default at all tiers)

File	Size	Purpose
encoder.onnx	128 MB	Image encoder (run once per image)
decoder.onnx	20 MB	Click-to-mask decoder (run per click)

hiera-base-plus/ — slightly better masks, slightly slower (Expert option)

File	Size	Purpose
encoder.onnx	324 MB	Image encoder (base-plus variant)
decoder.onnx	20 MB	Click-to-mask decoder

Total: ~500 MB.

License

Meta AI's Segment Anything 2 (SAM2) code + weights: Apache 2.0. ONNX conversion by SharpAI on HuggingFace, redistributed here under the same license.

Attribution

• SAM2: Nikhila Ravi, Valentin Gabeur, Yuan-Ting Hu, Ronghang Hu, Chaitanya Ryali, Tengyu Ma, Haitham Khedr, Roman Rädle, Chloe Rolland, Laura Gustafson, Eric Mintun, Junting Pan, Kalyan Vasudev Alwala, Nicolas Carion, Chao-Yuan Wu, Ross Girshick, Piotr Dollár, Christoph Feichtenhofer — SAM 2: Segment Anything in Images and Videos (Meta AI Research, 2024).
• ONNX export: SharpAI on HuggingFace.