A Python library for alpha matting

Generating automatic trimap through pixel dilation and strongly-connected-component algorithms

Official code for our ICCV2025 paper "SDMatte: Grafting Diffusion Models for Interactive Matting"

UniVidX intrinsic & alpha video decomposition custom nodes for ComfyUI

State-of-the-art background removal API for images and video. BiRefNet on Modal GPUs, ~200ms per image. 26 endpoints: cutouts, masks, PSD export, upscale, face restore, inpaint, collage, studio shots, video with ProRes 4444 alpha. MIT, self-hostable, 10x cheaper than remove.bg.

A Tri-map free direct Alpha Matting.

Repository for implementing alpha matting

AI-assisted lasso selection plugin for Krita that creates soft alpha object masks locally.

Repository for class project "Application of 3D graphic synthetic dataset generation for the means of image alpha matting using deep neural networks" of Machine Learning class, Faculty of Applied Sciences of Ukrainian Catholic University (Lviv)

A high-quality AI-based real-time matting plugin for Open Broadcaster Software (OBS) Studio using native alpha

This project implements the Bayesian Matting technique described in Yung-Yu Chuang, Brian Curless, David H. Salesin and Richard Szeliski. A Bayesian Approach to Digital Matting. In Proceedings of IEEE Computer Vision and Pattern Recognition (CVPR 2001), Vol. II, 264-271, December 2001 [1]

Automate background removal for product photography. Includes batch processing, AI masking, and specialized halo removal for white backgrounds.

SAM 2 photo → depth-ordered transparent PNG layers for CSS compositing

A unified benchmark of four prompt-based matting models on plant images, with failure analysis and RGB-guided MAM refinement.

Predicting an alpha matte from an image and a trimap.