Instance Segmentation Python Packages

ultralytics

Ultralytics YOLO 🚀

supervision

We write your reusable computer vision tools. 💜

inference-gpu

Turn any computer or edge device into a command center for your computer vision projects.

inference-cli

Turn any computer or edge device into a command center for your computer vision projects.

sahi

Framework agnostic sliced/tiled inference + interactive ui + error analysis plots

mmdet

OpenMMLab Detection Toolbox and Benchmark

rfdetr

[ICLR 2026] RF-DETR is a real-time object detection and segmentation model architecture developed by Roboflow, SOTA on COCO, designed for fine-tuning.

inference-sdk

Turn any computer or edge device into a command center for your computer vision projects.

inference

Turn any computer or edge device into a command center for your computer vision projects.

imgviz

Rich Image Visualization with Minimum Dependency (no OpenCV, Matplotlib)

mask-rcnn-12rics

Mask R-CNN for object detection and instance segmentation on Keras and TensorFlow

ultralytics-opencv-headless

Ultralytics YOLO 🚀

albumentationsx

Next-generation Albumentations: dual-licensed for open-source and commercial use

inference-core

Turn any computer or edge device into a command center for your computer vision projects.

autodistill

Images to inference with no labeling (use foundation models to train supervised models).

inference-cpu

Turn any computer or edge device into a command center for your computer vision projects.

x-anylabeling-cvhub

Effortless data labeling with AI support from Segment Anything and other awesome models.

yolozu

Framework-agnostic vision toolkit for training and evaluation

yolo-tiling

Tile (slice) a YOLO-formatted dataset for small detection, segmentation, and classification

labelme2coco

A lightweight package for converting your labelme annotations into COCO object detection format.

coralnet-toolbox

Tools for panoptic segmentation and developing machine learning models for benthic imagery

deepcell

Deep Learning Library for Single Cell Analysis

tidecv

A General Toolbox for Identifying Object Detection Errors

mambavision

[CVPR 2025] Official PyTorch Implementation of MambaVision: A Hybrid Mamba-Transformer Vision Backbone