IS-Net (general use)#

High-resolution dichotomous image segmentation model (DIS / IS-Net) for general cutouts.

Compare to withoutBG Open on the side-by-side page. Product hub: /open-model.

Family
IS-Net
License
Apache-2.0 · commercially usable
Deploy
ONNX · rembg `isnet-general-use`
Input / size
1024×1024 · ~176 MB class ONNX (rembg)

Quick take

  • Best for: Sharper general objects vs classic u2net
  • Avoid when: Tight CPU budgets — prefer u2netp / BiRefNet lite
  • Notes: Available as rembg session `isnet-general-use`.

Evidence

Visual comparison on Bench v0 (same images for every model), with MAE / MGE / connectivity when ground truth is available.