pipeline-router-onnx – AI Model by withoutbg | AlphaNeural AI

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withoutbg/
pipeline-router-onnx

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background-removal

image-classification

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withoutBG Pipeline Router (ONNX)

Routes images to either the withoutBG open-weights matting pipeline or BiRefNet based on a 6-way challenge taxonomy.

Built with DINOv3 (ConvNeXt-Base CLS + linear head).

Files

File	Description
`router_10.0.0.onnx`	fp16 weights, float32 I/O (~167 MB)
`router_10.0.0.onnx.json`	Sidecar metadata (categories, shapes, sha256)

Contract

Input rgb: (1, 3, 224, 224) float32 NCHW in [0, 1]
Output logits: (1, 6) float32 (softmax → category probs)

Categories (index order):

fine_strand → matting
soft_detail → matting
transparency → matting
hard_opaque → birefnet
flat_scene → birefnet
vehicle → birefnet (SDK/API may override vehicles to matting)

License

withoutBG-authored portions are Apache 2.0. The embedded DINOv3 ConvNeXt backbone is subject to the Meta DINOv3 License. See the withoutBG Open Model License.