# Background Remover — third-party model & runtime notices

DigiWebSpot Background Remover runs **entirely in your browser**. Your images are not uploaded for inference. Model **weights** may be downloaded from verified sources on first use.

This tool produces **soft probability masks**, not professional closed-form alpha mattes.

## Models (commercial-approved)

### ORMBG — default (General)
- Hugging Face: https://huggingface.co/onnx-community/ormbg-ONNX
- Upstream: https://huggingface.co/schirrmacher/ormbg
- Weight licence: **Apache License 2.0**
- Commercial use and redistribution: permitted under Apache-2.0 (retain notices)

### MODNet — Portrait mode
- Hugging Face: https://huggingface.co/Xenova/modnet
- Upstream: https://github.com/ZHKKKe/MODNet
- Weight licence: **Apache License 2.0**
- Portrait / person matting only

### MediaPipe Selfie Segmenter — Lightweight person mode
- Asset: `/models/selfie_segmenter_float16_v1.tflite`
- Runtime: `@mediapipe/tasks-vision@1.2.0` (Apache-2.0)
- Person / selfie segmentation only

### BiRefNet-lite (512) — optional High quality
- Hugging Face: https://huggingface.co/studioludens/birefnet-lite-512
- Upstream: https://github.com/ZhengPeng7/BiRefNet (MIT)
- Weight licence: **MIT**
- Large download; desktop recommended

## Explicitly excluded
- **BRIA RMBG-1.4** — not approved for commercial use without a BRIA agreement. Weights are **not** downloaded or redistributed. https://huggingface.co/briaai/RMBG-1.4

## Runtimes
- `@huggingface/transformers` — Apache-2.0
- `onnxruntime-web` — MIT
- `@mediapipe/tasks-vision` — Apache-2.0