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YOLOv5 🚀 in PyTorch > ONNX > CoreML > TFLite used as a tool for solution of Go Autonomous Easter eggs challenge

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YOLOv5 🚀 is the world's most loved vision AI, representing Ultralytics open-source research into future vision AI methods, incorporating lessons learned and best practices evolved over thousands of hours of research and development.

To request an Enterprise License please complete the form at Ultralytics Licensing.

Ultralytics Live Session

Ultralytics Live Session Ep. 2 ✨ will be streaming live on Tuesday, December 13th at 19:00 CET with Joseph Nelson of Roboflow who will join us to discuss the brand new Roboflow x Ultralytics HUB integration. Tune in to ask Glenn and Joseph about how you can make speed up workflows with seamless dataset integration! 🔥

Segmentation ⭐ NEW

Our new YOLOv5 release v7.0 instance segmentation models are the fastest and most accurate in the world, beating all current SOTA benchmarks. We've made them super simple to train, validate and deploy. See full details in our Release Notes and visit our YOLOv5 Segmentation Colab Notebook for quickstart tutorials.

Segmentation Checkpoints

We trained YOLOv5 segmentations models on COCO for 300 epochs at image size 640 using A100 GPUs. We exported all models to ONNX FP32 for CPU speed tests and to TensorRT FP16 for GPU speed tests. We ran all speed tests on Google Colab Pro notebooks for easy reproducibility.

Model size
(pixels)
mAPbox
50-95
mAPmask
50-95
Train time
300 epochs
A100 (hours)
Speed
ONNX CPU
(ms)
Speed
TRT A100
(ms)
params
(M)
FLOPs
@640 (B)
YOLOv5n-seg 640 27.6 23.4 80:17 62.7 1.2 2.0 7.1
YOLOv5s-seg 640 37.6 31.7 88:16 173.3 1.4 7.6 26.4
YOLOv5m-seg 640 45.0 37.1 108:36 427.0 2.2 22.0 70.8
YOLOv5l-seg 640 49.0 39.9 66:43 (2x) 857.4 2.9 47.9 147.7
YOLOv5x-seg 640 50.7 41.4 62:56 (3x) 1579.2 4.5 88.8 265.7
  • All checkpoints are trained to 300 epochs with SGD optimizer with lr0=0.01 and weight_decay=5e-5 at image size 640 and all default settings.
    Runs logged to https://wandb.ai/glenn-jocher/YOLOv5_v70_official
  • Accuracy values are for single-model single-scale on COCO dataset.
    Reproduce by python segment/val.py --data coco.yaml --weights yolov5s-seg.pt
  • Speed averaged over 100 inference images using a Colab Pro A100 High-RAM instance. Values indicate inference speed only (NMS adds about 1ms per image).
    Reproduce by python segment/val.py --data coco.yaml --weights yolov5s-seg.pt --batch 1
  • Export to ONNX at FP32 and TensorRT at FP16 done with export.py.
    Reproduce by python export.py --weights yolov5s-seg.pt --include engine --device 0 --half
Segmentation Usage Examples  Open In Colab

Train

YOLOv5 segmentation training supports auto-download COCO128-seg segmentation dataset with --data coco128-seg.yaml argument and manual download of COCO-segments dataset with bash data/scripts/get_coco.sh --train --val --segments and then python train.py --data coco.yaml.

# Single-GPU
python segment/train.py --data coco128-seg.yaml --weights yolov5s-seg.pt --img 640

# Multi-GPU DDP
python -m torch.distributed.run --nproc_per_node 4 --master_port 1 segment/train.py --data coco128-seg.yaml --weights yolov5s-seg.pt --img 640 --device 0,1,2,3

Val

Validate YOLOv5s-seg mask mAP on COCO dataset:

bash data/scripts/get_coco.sh --val --segments  # download COCO val segments split (780MB, 5000 images)
python segment/val.py --weights yolov5s-seg.pt --data coco.yaml --img 640  # validate

Predict

Use pretrained YOLOv5m-seg.pt to predict bus.jpg:

python segment/predict.py --weights yolov5m-seg.pt --data data/images/bus.jpg
model = torch.hub.load('ultralytics/yolov5', 'custom', 'yolov5m-seg.pt')  # load from PyTorch Hub (WARNING: inference not yet supported)
zidane bus

Export

Export YOLOv5s-seg model to ONNX and TensorRT:

python export.py --weights yolov5s-seg.pt --include onnx engine --img 640 --device 0

Documentation

See the YOLOv5 Docs for full documentation on training, testing and deployment. See below for quickstart examples.

Install

Clone repo and install requirements.txt in a Python>=3.7.0 environment, including PyTorch>=1.7.

git clone https://github.com/ultralytics/yolov5  # clone
cd yolov5
pip install -r requirements.txt  # install
Inference

YOLOv5 PyTorch Hub inference. Models download automatically from the latest YOLOv5 release.

import torch

# Model
model = torch.hub.load('ultralytics/yolov5', 'yolov5s')  # or yolov5n - yolov5x6, custom

# Images
img = 'https://ultralytics.com/images/zidane.jpg'  # or file, Path, PIL, OpenCV, numpy, list

# Inference
results = model(img)

# Results
results.print()  # or .show(), .save(), .crop(), .pandas(), etc.
Inference with detect.py

detect.py runs inference on a variety of sources, downloading models automatically from the latest YOLOv5 release and saving results to runs/detect.

python detect.py --weights yolov5s.pt --source 0                               # webcam
                                               img.jpg                         # image
                                               vid.mp4                         # video
                                               screen                          # screenshot
                                               path/                           # directory
                                               list.txt                        # list of images
                                               list.streams                    # list of streams
                                               'path/*.jpg'                    # glob
                                               'https://youtu.be/Zgi9g1ksQHc'  # YouTube
                                               'rtsp://example.com/media.mp4'  # RTSP, RTMP, HTTP stream
Training

The commands below reproduce YOLOv5 COCO results. Models and datasets download automatically from the latest YOLOv5 release. Training times for YOLOv5n/s/m/l/x are 1/2/4/6/8 days on a V100 GPU (Multi-GPU times faster). Use the largest --batch-size possible, or pass --batch-size -1 for YOLOv5 AutoBatch. Batch sizes shown for V100-16GB.

python train.py --data coco.yaml --epochs 300 --weights '' --cfg yolov5n.yaml  --batch-size 128
                                                                 yolov5s                    64
                                                                 yolov5m                    40
                                                                 yolov5l                    24
                                                                 yolov5x                    16
Tutorials

Integrations




Roboflow ClearML ⭐ NEW Comet ⭐ NEW Deci ⭐ NEW
Label and export your custom datasets directly to YOLOv5 for training with Roboflow Automatically track, visualize and even remotely train YOLOv5 using ClearML (open-source!) Free forever, Comet lets you save YOLOv5 models, resume training, and interactively visualise and debug predictions Automatically compile and quantize YOLOv5 for better inference performance in one click at Deci

Ultralytics HUB

Ultralytics HUB is our ⭐ NEW no-code solution to visualize datasets, train YOLOv5 🚀 models, and deploy to the real world in a seamless experience. Get started for Free now!

Why YOLOv5

YOLOv5 has been designed to be super easy to get started and simple to learn. We prioritize real-world results.

YOLOv5-P5 640 Figure

Figure Notes
  • COCO AP val denotes [email protected]:0.95 metric measured on the 5000-image COCO val2017 dataset over various inference sizes from 256 to 1536.
  • GPU Speed measures average inference time per image on COCO val2017 dataset using a AWS p3.2xlarge V100 instance at batch-size 32.
  • EfficientDet data from google/automl at batch size 8.
  • Reproduce by python val.py --task study --data coco.yaml --iou 0.7 --weights yolov5n6.pt yolov5s6.pt yolov5m6.pt yolov5l6.pt yolov5x6.pt

Pretrained Checkpoints

Model size
(pixels)
mAPval
50-95
mAPval
50
Speed
CPU b1
(ms)
Speed
V100 b1
(ms)
Speed
V100 b32
(ms)
params
(M)
FLOPs
@640 (B)
YOLOv5n 640 28.0 45.7 45 6.3 0.6 1.9 4.5
YOLOv5s 640 37.4 56.8 98 6.4 0.9 7.2 16.5
YOLOv5m 640 45.4 64.1 224 8.2 1.7 21.2 49.0
YOLOv5l 640 49.0 67.3 430 10.1 2.7 46.5 109.1
YOLOv5x 640 50.7 68.9 766 12.1 4.8 86.7 205.7
YOLOv5n6 1280 36.0 54.4 153 8.1 2.1 3.2 4.6
YOLOv5s6 1280 44.8 63.7 385 8.2 3.6 12.6 16.8
YOLOv5m6 1280 51.3 69.3 887 11.1 6.8 35.7 50.0
YOLOv5l6 1280 53.7 71.3 1784 15.8 10.5 76.8 111.4
YOLOv5x6
+ TTA
1280
1536
55.0
55.8
72.7
72.7
3136
-
26.2
-
19.4
-
140.7
-
209.8
-
Table Notes
  • All checkpoints are trained to 300 epochs with default settings. Nano and Small models use hyp.scratch-low.yaml hyps, all others use hyp.scratch-high.yaml.
  • mAPval values are for single-model single-scale on COCO val2017 dataset.
    Reproduce by python val.py --data coco.yaml --img 640 --conf 0.001 --iou 0.65
  • Speed averaged over COCO val images using a AWS p3.2xlarge instance. NMS times (~1 ms/img) not included.
    Reproduce by python val.py --data coco.yaml --img 640 --task speed --batch 1
  • TTA Test Time Augmentation includes reflection and scale augmentations.
    Reproduce by python val.py --data coco.yaml --img 1536 --iou 0.7 --augment

Classification ⭐ NEW

YOLOv5 release v6.2 brings support for classification model training, validation and deployment! See full details in our Release Notes and visit our YOLOv5 Classification Colab Notebook for quickstart tutorials.

Classification Checkpoints

We trained YOLOv5-cls classification models on ImageNet for 90 epochs using a 4xA100 instance, and we trained ResNet and EfficientNet models alongside with the same default training settings to compare. We exported all models to ONNX FP32 for CPU speed tests and to TensorRT FP16 for GPU speed tests. We ran all speed tests on Google Colab Pro for easy reproducibility.

Model size
(pixels)
acc
top1
acc
top5
Training
90 epochs
4xA100 (hours)
Speed
ONNX CPU
(ms)
Speed
TensorRT V100
(ms)
params
(M)
FLOPs
@224 (B)
YOLOv5n-cls 224 64.6 85.4 7:59 3.3 0.5 2.5 0.5
YOLOv5s-cls 224 71.5 90.2 8:09 6.6 0.6 5.4 1.4
YOLOv5m-cls 224 75.9 92.9 10:06 15.5 0.9 12.9 3.9
YOLOv5l-cls 224 78.0 94.0 11:56 26.9 1.4 26.5 8.5
YOLOv5x-cls 224 79.0 94.4 15:04 54.3 1.8 48.1 15.9
ResNet18 224 70.3 89.5 6:47 11.2 0.5 11.7 3.7
ResNet34 224 73.9 91.8 8:33 20.6 0.9 21.8 7.4
ResNet50 224 76.8 93.4 11:10 23.4 1.0 25.6 8.5
ResNet101 224 78.5 94.3 17:10 42.1 1.9 44.5 15.9
EfficientNet_b0 224 75.1 92.4 13:03 12.5 1.3 5.3 1.0
EfficientNet_b1 224 76.4 93.2 17:04 14.9 1.6 7.8 1.5
EfficientNet_b2 224 76.6 93.4 17:10 15.9 1.6 9.1 1.7
EfficientNet_b3 224 77.7 94.0 19:19 18.9 1.9 12.2 2.4
Table Notes (click to expand)
  • All checkpoints are trained to 90 epochs with SGD optimizer with lr0=0.001 and weight_decay=5e-5 at image size 224 and all default settings.
    Runs logged to https://wandb.ai/glenn-jocher/YOLOv5-Classifier-v6-2
  • Accuracy values are for single-model single-scale on ImageNet-1k dataset.
    Reproduce by python classify/val.py --data ../datasets/imagenet --img 224
  • Speed averaged over 100 inference images using a Google Colab Pro V100 High-RAM instance.
    Reproduce by python classify/val.py --data ../datasets/imagenet --img 224 --batch 1
  • Export to ONNX at FP32 and TensorRT at FP16 done with export.py.
    Reproduce by python export.py --weights yolov5s-cls.pt --include engine onnx --imgsz 224
Classification Usage Examples  Open In Colab

Train

YOLOv5 classification training supports auto-download of MNIST, Fashion-MNIST, CIFAR10, CIFAR100, Imagenette, Imagewoof, and ImageNet datasets with the --data argument. To start training on MNIST for example use --data mnist.

# Single-GPU
python classify/train.py --model yolov5s-cls.pt --data cifar100 --epochs 5 --img 224 --batch 128

# Multi-GPU DDP
python -m torch.distributed.run --nproc_per_node 4 --master_port 1 classify/train.py --model yolov5s-cls.pt --data imagenet --epochs 5 --img 224 --device 0,1,2,3

Val

Validate YOLOv5m-cls accuracy on ImageNet-1k dataset:

bash data/scripts/get_imagenet.sh --val  # download ImageNet val split (6.3G, 50000 images)
python classify/val.py --weights yolov5m-cls.pt --data ../datasets/imagenet --img 224  # validate

Predict

Use pretrained YOLOv5s-cls.pt to predict bus.jpg:

python classify/predict.py --weights yolov5s-cls.pt --data data/images/bus.jpg
model = torch.hub.load('ultralytics/yolov5', 'custom', 'yolov5s-cls.pt')  # load from PyTorch Hub

Export

Export a group of trained YOLOv5s-cls, ResNet and EfficientNet models to ONNX and TensorRT:

python export.py --weights yolov5s-cls.pt resnet50.pt efficientnet_b0.pt --include onnx engine --img 224

Environments

Get started in seconds with our verified environments. Click each icon below for details.

App

Run YOLOv5 models on your iOS or Android device by downloading the Ultralytics App!

Ultralytics mobile app

We love your input! We want to make contributing to YOLOv5 as easy and transparent as possible. Please see our Contributing Guide to get started, and fill out the YOLOv5 Survey to send us feedback on your experiences. Thank you to all our contributors!

License

YOLOv5 is available under two different licenses:

  • GPL-3.0 License: See LICENSE file for details.
  • Enterprise License: Provides greater flexibility for commercial product development without the open-source requirements of GPL-3.0. Typical use cases are embedding Ultralytics software and AI models in commercial products and applications. Request an Enterprise License at Ultralytics Licensing.

Contact

For YOLOv5 bugs and feature requests please visit GitHub Issues. For professional support please Contact Us.


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YOLOv5 🚀 in PyTorch > ONNX > CoreML > TFLite used as a tool for solution of Go Autonomous Easter eggs challenge

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