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Instance Segmentation Python Packages

Python packages with the GitHub topic instance-segmentation. Sorted by relevance, with stars and monthly downloads.
ultralytics
ultralytics

Ultralytics YOLO 🚀

10.7M 57K 11K
roboflow
supervision

We write your reusable computer vision tools. 💜

1.1M 38K 3K
roboflow
inference-gpu

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

1M 2K 260
roboflow
inference-cli

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

827K 2K 260
obss
sahi

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

495K 5K 745
open-mmlab
mmdet

OpenMMLab Detection Toolbox and Benchmark

436K 33K 10K
roboflow
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.

231K 7K 876
roboflow
inference-sdk

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

161K 2K 260
roboflow
inference

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

116K 2K 260
wkentaro
imgviz

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

101K 263 30
matterport
mask-rcnn-12rics

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

29K 26K 12K
ultralytics
ultralytics-opencv-headless

Ultralytics YOLO 🚀

19K 57K 11K
albumentations-team
albumentationsx

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

16K 315 28
roboflow
inference-core

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

9K 2K 260
autodistill
autodistill

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

8K 3K 213
roboflow
inference-cpu

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

7K 2K 260
CVHub520
x-anylabeling-cvhub

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

7K 9K 971
ToppyMicroServices
yolozu

Framework-agnostic vision toolkit for training and evaluation

4K 2 0
Jordan-Pierce
yolo-tiling

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

4K 19 3
fcakyon
labelme2coco

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

3K 319 70
Jordan-Pierce
coralnet-toolbox

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

3K 45 7
vanvalenlab
deepcell

Deep Learning Library for Single Cell Analysis

2K 474 107
dbolya
tidecv

A General Toolbox for Identifying Object Detection Errors

2K 738 116
NVlabs
mambavision

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

2K 2K 139
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