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Top 23 Python semantic-segmentation Projects
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Swin-Transformer
This is an official implementation for "Swin Transformer: Hierarchical Vision Transformer using Shifted Windows".
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Stream
Stream - Scalable APIs for Chat, Feeds, Moderation, & Video. Stream helps developers build engaging apps that scale to millions with performant and flexible Chat, Feeds, Moderation, and Video APIs and SDKs powered by a global edge network and enterprise-grade infrastructure.
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labelme
Image Polygonal Annotation with Python (polygon, rectangle, circle, line, point and image-level flag annotation).
Project mention: Convert LabelMe Annotations to YOLO Format with labelme-to-yolo | dev.to | 2024-12-29Convert LabelMe format into YoloV7 format for instance segmentation.
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segmentation_models.pytorch
Semantic segmentation models with 500+ pretrained convolutional and transformer-based backbones.
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Pytorch-UNet
PyTorch implementation of the U-Net for image semantic segmentation with high quality images
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InternVL
[CVPR 2024 Oral] InternVL Family: A Pioneering Open-Source Alternative to GPT-4o. 接近GPT-4o表现的开源多模态对话模型
Project mention: InternVL3: Unified Multimodal AI Training Outperforms Open-Source Rivals | dev.to | 2025-04-17InternVL3 marks a significant advancement in the InternVL model series, implementing a native multimodal pre-training approach that fundamentally transforms how vision-language models learn. Unlike most leading multimodal large language models (MLLMs) that adapt text-only models to handle visual inputs through complex post-hoc alignment, InternVL3 jointly acquires multimodal and linguistic capabilities in a single unified pre-training stage.
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PaddleSeg
Easy-to-use image segmentation library with awesome pre-trained model zoo, supporting wide-range of practical tasks in Semantic Segmentation, Interactive Segmentation, Panoptic Segmentation, Image Matting, 3D Segmentation, etc.
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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Project mention: Gluon: a GPU programming language based on the same compiler stack as Triton | news.ycombinator.com | 2025-09-17
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semantic-segmentation-pytorch
Pytorch implementation for Semantic Segmentation/Scene Parsing on MIT ADE20K dataset
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HRNet-Semantic-Segmentation
The OCR approach is rephrased as Segmentation Transformer: https://arxiv.org/abs/1909.11065. This is an official implementation of semantic segmentation for HRNet. https://arxiv.org/abs/1908.07919
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InternImage
[CVPR 2023 Highlight] InternImage: Exploring Large-Scale Vision Foundation Models with Deformable Convolutions
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efficientdet-pytorch
A PyTorch impl of EfficientDet faithful to the original Google impl w/ ported weights
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MaskDINO
[CVPR 2023] Official implementation of the paper "Mask DINO: Towards A Unified Transformer-based Framework for Object Detection and Segmentation"
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medicaldetectiontoolkit
The Medical Detection Toolkit contains 2D + 3D implementations of prevalent object detectors such as Mask R-CNN, Retina Net, Retina U-Net, as well as a training and inference framework focused on dealing with medical images.
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involution
[CVPR 2021] Involution: Inverting the Inherence of Convolution for Visual Recognition, a brand new neural operator
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PaddleViT
:robot: PaddleViT: State-of-the-art Visual Transformer and MLP Models for PaddlePaddle 2.0+
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Swin-Transformer-Semantic-Segmentation
This is an official implementation for "Swin Transformer: Hierarchical Vision Transformer using Shifted Windows" on Semantic Segmentation.
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
Python semantic-segmentation discussion
Python semantic-segmentation related posts
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Show HN: I made a ROS package for realtime semantic segmentation
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OPENSCENE can identify objects, materials, affordances, activities, and room types in complex 3D scenes, all using a single model trained without any labeled 3D data
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What do you guys think of InternImage? - 65.5 mAP on COCO
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[D] What do you guys think of InternImage?
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[R] Mask DINO: Towards A Unified Transformer-based Framework for Object Detection and Segmentation
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Swin Transformer: Hierarchical Vision Transformer using Shifted Windows
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Swin Transformer: Hierarchical Vision Transformer Using Shifted Windows
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A note from our sponsor - InfluxDB
www.influxdata.com | 16 Nov 2025
Index
What are some of the best open-source semantic-segmentation projects in Python? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | Swin-Transformer | 15,313 |
| 2 | labelme | 15,224 |
| 3 | segmentation_models.pytorch | 11,061 |
| 4 | Pytorch-UNet | 10,786 |
| 5 | InternVL | 9,473 |
| 6 | mmsegmentation | 9,381 |
| 7 | PaddleSeg | 9,217 |
| 8 | gluon-cv | 5,915 |
| 9 | semantic-segmentation-pytorch | 5,043 |
| 10 | HRNet-Semantic-Segmentation | 3,297 |
| 11 | InternImage | 2,760 |
| 12 | face-parsing.PyTorch | 2,494 |
| 13 | Open3D-ML | 2,172 |
| 14 | efficientdet-pytorch | 1,631 |
| 15 | MaskDINO | 1,406 |
| 16 | medicaldetectiontoolkit | 1,338 |
| 17 | involution | 1,314 |
| 18 | PaddleViT | 1,234 |
| 19 | Swin-Transformer-Semantic-Segmentation | 1,233 |
| 20 | nncf | 1,100 |
| 21 | EfficientFormer | 1,085 |
| 22 | PixelLib | 1,071 |
| 23 | GSCNN | 932 |
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