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

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

inference-sdk

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)

inference

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

ultralytics-opencv-headless

Ultralytics YOLO 🚀

albumentationsx

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

autodistill

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

x-anylabeling-cvhub

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

inference-core

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

labelme2coco

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

inference-cpu

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

vernier

A modern toolkit to evaluate 2D detection and segmentation models

yolo-tiling

Tile (slice) YOLO Dataset for Small Objects Detection and Instance Segmentation

mask-rcnn-12rics

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

yolozu

Framework-agnostic vision toolkit for training and evaluation

coralnet-toolbox

Tools for annotating and developing ML models for benthic imagery

deepcell

Deep learning for single cell image segmentation

mambavision

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