1022 lines
46 KiB
Plaintext
1022 lines
46 KiB
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"source": [
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"<a href=\"https://colab.research.google.com/github/ultralytics/yolov5/blob/master/tutorial.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
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"<a align=\"left\" href=\"https://ultralytics.com/yolov5\" target=\"_blank\">\n",
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"<img src=\"https://user-images.githubusercontent.com/26833433/125273437-35b3fc00-e30d-11eb-9079-46f313325424.png\"></a>\n",
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"\n",
|
||
"This is the **official YOLOv5 🚀 notebook** by **Ultralytics**, and is freely available for redistribution under the [GPL-3.0 license](https://choosealicense.com/licenses/gpl-3.0/). \n",
|
||
"For more information please visit https://github.com/ultralytics/yolov5 and https://ultralytics.com. Thank you!"
|
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]
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"source": [
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"# Setup\n",
|
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"\n",
|
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"Clone repo, install dependencies and check PyTorch and GPU."
|
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]
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},
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{
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"cell_type": "code",
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"metadata": {
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"id": "wbvMlHd_QwMG",
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"colab": {
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"base_uri": "https://localhost:8080/"
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},
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"outputId": "4d67116a-43e9-4d84-d19e-1edd83f23a04"
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},
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"source": [
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"!git clone https://github.com/ultralytics/yolov5 # clone repo\n",
|
||
"%cd yolov5\n",
|
||
"%pip install -qr requirements.txt # install dependencies\n",
|
||
"\n",
|
||
"import torch\n",
|
||
"from IPython.display import Image, clear_output # to display images\n",
|
||
"\n",
|
||
"clear_output()\n",
|
||
"print(f\"Setup complete. Using torch {torch.__version__} ({torch.cuda.get_device_properties(0).name if torch.cuda.is_available() else 'CPU'})\")"
|
||
],
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||
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"outputs": [
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"output_type": "stream",
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"text": [
|
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"Setup complete. Using torch 1.9.0+cu102 (Tesla V100-SXM2-16GB)\n"
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],
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"name": "stdout"
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}
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]
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"metadata": {
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"source": [
|
||
"# 1. Inference\n",
|
||
"\n",
|
||
"`detect.py` runs YOLOv5 inference on a variety of sources, downloading models automatically from the [latest YOLOv5 release](https://github.com/ultralytics/yolov5/releases), and saving results to `runs/detect`. Example inference sources are:\n",
|
||
"\n",
|
||
"```shell\n",
|
||
"python detect.py --source 0 # webcam\n",
|
||
" file.jpg # image \n",
|
||
" file.mp4 # video\n",
|
||
" path/ # directory\n",
|
||
" path/*.jpg # glob\n",
|
||
" 'https://youtu.be/NUsoVlDFqZg' # YouTube\n",
|
||
" 'rtsp://example.com/media.mp4' # RTSP, RTMP, HTTP stream\n",
|
||
"```"
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]
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},
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},
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"outputId": "8b728908-81ab-4861-edb0-4d0c46c439fb"
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},
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"source": [
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"!python detect.py --weights yolov5s.pt --img 640 --conf 0.25 --source data/images/\n",
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"Image(filename='runs/detect/exp/zidane.jpg', width=600)"
|
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],
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|
||
"\u001b[34m\u001b[1mdetect: \u001b[0mweights=['yolov5s.pt'], source=data/images/, imgsz=640, conf_thres=0.25, iou_thres=0.45, max_det=1000, device=, view_img=False, save_txt=False, save_conf=False, save_crop=False, nosave=False, classes=None, agnostic_nms=False, augment=False, visualize=False, update=False, project=runs/detect, name=exp, exist_ok=False, line_thickness=3, hide_labels=False, hide_conf=False, half=False\n",
|
||
"YOLOv5 🚀 v5.0-367-g01cdb76 torch 1.9.0+cu102 CUDA:0 (Tesla V100-SXM2-16GB, 16160.5MB)\n",
|
||
"\n",
|
||
"Fusing layers... \n",
|
||
"Model Summary: 224 layers, 7266973 parameters, 0 gradients\n",
|
||
"image 1/2 /content/yolov5/data/images/bus.jpg: 640x480 4 persons, 1 bus, 1 fire hydrant, Done. (0.007s)\n",
|
||
"image 2/2 /content/yolov5/data/images/zidane.jpg: 384x640 2 persons, 2 ties, Done. (0.007s)\n",
|
||
"Results saved to \u001b[1mruns/detect/exp\u001b[0m\n",
|
||
"Done. (0.091s)\n"
|
||
],
|
||
"name": "stdout"
|
||
}
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "markdown",
|
||
"metadata": {
|
||
"id": "hkAzDWJ7cWTr"
|
||
},
|
||
"source": [
|
||
" \n",
|
||
"<img align=\"left\" src=\"https://user-images.githubusercontent.com/26833433/127574988-6a558aa1-d268-44b9-bf6b-62d4c605cc72.jpg\" width=\"600\">"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "markdown",
|
||
"metadata": {
|
||
"id": "0eq1SMWl6Sfn"
|
||
},
|
||
"source": [
|
||
"# 2. Validate\n",
|
||
"Validate a model's accuracy on [COCO](https://cocodataset.org/#home) val or test-dev datasets. Models are downloaded automatically from the [latest YOLOv5 release](https://github.com/ultralytics/yolov5/releases). To show results by class use the `--verbose` flag. Note that `pycocotools` metrics may be ~1% better than the equivalent repo metrics, as is visible below, due to slight differences in mAP computation."
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "markdown",
|
||
"metadata": {
|
||
"id": "eyTZYGgRjnMc"
|
||
},
|
||
"source": [
|
||
"## COCO val2017\n",
|
||
"Download [COCO val 2017](https://github.com/ultralytics/yolov5/blob/74b34872fdf41941cddcf243951cdb090fbac17b/data/coco.yaml#L14) dataset (1GB - 5000 images), and test model accuracy."
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"metadata": {
|
||
"id": "WQPtK1QYVaD_",
|
||
"colab": {
|
||
"base_uri": "https://localhost:8080/",
|
||
"height": 48,
|
||
"referenced_widgets": [
|
||
"484511f272e64eab8b42e68dac5f7a66",
|
||
"78cceec059784f2bb36988d3336e4d56",
|
||
"ab93d8b65c134605934ff9ec5efb1bb6",
|
||
"30df865ded4c434191bce772c9a82f3a",
|
||
"20cdc61eb3404f42a12b37901b0d85fb",
|
||
"2d7239993a9645b09b221405ac682743",
|
||
"17b5a87f92104ec7ab96bf507637d0d2",
|
||
"2358bfb2270247359e94b066b3cc3d1f",
|
||
"3e984405db654b0b83b88b2db08baffd",
|
||
"654d8a19b9f949c6bbdaf8b0875c931e",
|
||
"896030c5d13b415aaa05032818d81a6e"
|
||
]
|
||
},
|
||
"outputId": "7e6f5c96-c819-43e1-cd03-d3b9878cf8de"
|
||
},
|
||
"source": [
|
||
"# Download COCO val2017\n",
|
||
"torch.hub.download_url_to_file('https://github.com/ultralytics/yolov5/releases/download/v1.0/coco2017val.zip', 'tmp.zip')\n",
|
||
"!unzip -q tmp.zip -d ../datasets && rm tmp.zip"
|
||
],
|
||
"execution_count": null,
|
||
"outputs": [
|
||
{
|
||
"output_type": "display_data",
|
||
"data": {
|
||
"application/vnd.jupyter.widget-view+json": {
|
||
"model_id": "484511f272e64eab8b42e68dac5f7a66",
|
||
"version_minor": 0,
|
||
"version_major": 2
|
||
},
|
||
"text/plain": [
|
||
" 0%| | 0.00/780M [00:00<?, ?B/s]"
|
||
]
|
||
},
|
||
"metadata": {
|
||
"tags": []
|
||
}
|
||
}
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"metadata": {
|
||
"id": "X58w8JLpMnjH",
|
||
"colab": {
|
||
"base_uri": "https://localhost:8080/"
|
||
},
|
||
"outputId": "3dd0e2fc-aecf-4108-91b1-6392da1863cb"
|
||
},
|
||
"source": [
|
||
"# Run YOLOv5x on COCO val2017\n",
|
||
"!python val.py --weights yolov5x.pt --data coco.yaml --img 640 --iou 0.65 --half"
|
||
],
|
||
"execution_count": null,
|
||
"outputs": [
|
||
{
|
||
"output_type": "stream",
|
||
"text": [
|
||
"\u001b[34m\u001b[1mval: \u001b[0mdata=./data/coco.yaml, weights=['yolov5x.pt'], batch_size=32, imgsz=640, conf_thres=0.001, iou_thres=0.65, task=val, device=, single_cls=False, augment=False, verbose=False, save_txt=False, save_hybrid=False, save_conf=False, save_json=True, project=runs/val, name=exp, exist_ok=False, half=True\n",
|
||
"YOLOv5 🚀 v5.0-367-g01cdb76 torch 1.9.0+cu102 CUDA:0 (Tesla V100-SXM2-16GB, 16160.5MB)\n",
|
||
"\n",
|
||
"Downloading https://github.com/ultralytics/yolov5/releases/download/v5.0/yolov5x.pt to yolov5x.pt...\n",
|
||
"100% 168M/168M [00:08<00:00, 20.6MB/s]\n",
|
||
"\n",
|
||
"Fusing layers... \n",
|
||
"Model Summary: 476 layers, 87730285 parameters, 0 gradients\n",
|
||
"\u001b[34m\u001b[1mval: \u001b[0mScanning '../datasets/coco/val2017' images and labels...4952 found, 48 missing, 0 empty, 0 corrupted: 100% 5000/5000 [00:01<00:00, 2749.96it/s]\n",
|
||
"\u001b[34m\u001b[1mval: \u001b[0mNew cache created: ../datasets/coco/val2017.cache\n",
|
||
" Class Images Labels P R mAP@.5 mAP@.5:.95: 100% 157/157 [01:08<00:00, 2.28it/s]\n",
|
||
" all 5000 36335 0.746 0.626 0.68 0.49\n",
|
||
"Speed: 0.1ms pre-process, 5.1ms inference, 1.6ms NMS per image at shape (32, 3, 640, 640)\n",
|
||
"\n",
|
||
"Evaluating pycocotools mAP... saving runs/val/exp/yolov5x_predictions.json...\n",
|
||
"loading annotations into memory...\n",
|
||
"Done (t=0.46s)\n",
|
||
"creating index...\n",
|
||
"index created!\n",
|
||
"Loading and preparing results...\n",
|
||
"DONE (t=4.94s)\n",
|
||
"creating index...\n",
|
||
"index created!\n",
|
||
"Running per image evaluation...\n",
|
||
"Evaluate annotation type *bbox*\n",
|
||
"DONE (t=83.60s).\n",
|
||
"Accumulating evaluation results...\n",
|
||
"DONE (t=13.22s).\n",
|
||
" Average Precision (AP) @[ IoU=0.50:0.95 | area= all | maxDets=100 ] = 0.504\n",
|
||
" Average Precision (AP) @[ IoU=0.50 | area= all | maxDets=100 ] = 0.688\n",
|
||
" Average Precision (AP) @[ IoU=0.75 | area= all | maxDets=100 ] = 0.546\n",
|
||
" Average Precision (AP) @[ IoU=0.50:0.95 | area= small | maxDets=100 ] = 0.351\n",
|
||
" Average Precision (AP) @[ IoU=0.50:0.95 | area=medium | maxDets=100 ] = 0.551\n",
|
||
" Average Precision (AP) @[ IoU=0.50:0.95 | area= large | maxDets=100 ] = 0.644\n",
|
||
" Average Recall (AR) @[ IoU=0.50:0.95 | area= all | maxDets= 1 ] = 0.382\n",
|
||
" Average Recall (AR) @[ IoU=0.50:0.95 | area= all | maxDets= 10 ] = 0.629\n",
|
||
" Average Recall (AR) @[ IoU=0.50:0.95 | area= all | maxDets=100 ] = 0.681\n",
|
||
" Average Recall (AR) @[ IoU=0.50:0.95 | area= small | maxDets=100 ] = 0.524\n",
|
||
" Average Recall (AR) @[ IoU=0.50:0.95 | area=medium | maxDets=100 ] = 0.735\n",
|
||
" Average Recall (AR) @[ IoU=0.50:0.95 | area= large | maxDets=100 ] = 0.827\n",
|
||
"Results saved to \u001b[1mruns/val/exp\u001b[0m\n"
|
||
],
|
||
"name": "stdout"
|
||
}
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "markdown",
|
||
"metadata": {
|
||
"id": "rc_KbFk0juX2"
|
||
},
|
||
"source": [
|
||
"## COCO test-dev2017\n",
|
||
"Download [COCO test2017](https://github.com/ultralytics/yolov5/blob/74b34872fdf41941cddcf243951cdb090fbac17b/data/coco.yaml#L15) dataset (7GB - 40,000 images), to test model accuracy on test-dev set (**20,000 images, no labels**). Results are saved to a `*.json` file which should be **zipped** and submitted to the evaluation server at https://competitions.codalab.org/competitions/20794."
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"metadata": {
|
||
"id": "V0AJnSeCIHyJ"
|
||
},
|
||
"source": [
|
||
"# Download COCO test-dev2017\n",
|
||
"torch.hub.download_url_to_file('https://github.com/ultralytics/yolov5/releases/download/v1.0/coco2017labels.zip', 'tmp.zip')\n",
|
||
"!unzip -q tmp.zip -d ../ && rm tmp.zip # unzip labels\n",
|
||
"!f=\"test2017.zip\" && curl http://images.cocodataset.org/zips/$f -o $f && unzip -q $f && rm $f # 7GB, 41k images\n",
|
||
"%mv ./test2017 ../coco/images # move to /coco"
|
||
],
|
||
"execution_count": null,
|
||
"outputs": []
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"metadata": {
|
||
"id": "29GJXAP_lPrt"
|
||
},
|
||
"source": [
|
||
"# Run YOLOv5s on COCO test-dev2017 using --task test\n",
|
||
"!python val.py --weights yolov5s.pt --data coco.yaml --task test"
|
||
],
|
||
"execution_count": null,
|
||
"outputs": []
|
||
},
|
||
{
|
||
"cell_type": "markdown",
|
||
"metadata": {
|
||
"id": "VUOiNLtMP5aG"
|
||
},
|
||
"source": [
|
||
"# 3. Train\n",
|
||
"\n",
|
||
"Download [COCO128](https://www.kaggle.com/ultralytics/coco128), a small 128-image tutorial dataset, start tensorboard and train YOLOv5s from a pretrained checkpoint for 3 epochs (note actual training is typically much longer, around **300-1000 epochs**, depending on your dataset)."
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"metadata": {
|
||
"id": "Knxi2ncxWffW"
|
||
},
|
||
"source": [
|
||
"# Download COCO128\n",
|
||
"torch.hub.download_url_to_file('https://github.com/ultralytics/yolov5/releases/download/v1.0/coco128.zip', 'tmp.zip')\n",
|
||
"!unzip -q tmp.zip -d ../datasets && rm tmp.zip"
|
||
],
|
||
"execution_count": null,
|
||
"outputs": []
|
||
},
|
||
{
|
||
"cell_type": "markdown",
|
||
"metadata": {
|
||
"id": "_pOkGLv1dMqh"
|
||
},
|
||
"source": [
|
||
"Train a YOLOv5s model on [COCO128](https://www.kaggle.com/ultralytics/coco128) with `--data coco128.yaml`, starting from pretrained `--weights yolov5s.pt`, or from randomly initialized `--weights '' --cfg yolov5s.yaml`. Models are downloaded automatically from the [latest YOLOv5 release](https://github.com/ultralytics/yolov5/releases), and **COCO, COCO128, and VOC datasets are downloaded automatically** on first use.\n",
|
||
"\n",
|
||
"All training results are saved to `runs/train/` with incrementing run directories, i.e. `runs/train/exp2`, `runs/train/exp3` etc.\n"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"metadata": {
|
||
"id": "bOy5KI2ncnWd"
|
||
},
|
||
"source": [
|
||
"# Tensorboard (optional)\n",
|
||
"%load_ext tensorboard\n",
|
||
"%tensorboard --logdir runs/train"
|
||
],
|
||
"execution_count": null,
|
||
"outputs": []
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"metadata": {
|
||
"id": "2fLAV42oNb7M"
|
||
},
|
||
"source": [
|
||
"# Weights & Biases (optional)\n",
|
||
"%pip install -q wandb\n",
|
||
"import wandb\n",
|
||
"wandb.login()"
|
||
],
|
||
"execution_count": null,
|
||
"outputs": []
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"metadata": {
|
||
"id": "1NcFxRcFdJ_O",
|
||
"colab": {
|
||
"base_uri": "https://localhost:8080/"
|
||
},
|
||
"outputId": "00ea4b14-a75c-44a2-a913-03b431b69de5"
|
||
},
|
||
"source": [
|
||
"# Train YOLOv5s on COCO128 for 3 epochs\n",
|
||
"!python train.py --img 640 --batch 16 --epochs 3 --data coco128.yaml --weights yolov5s.pt --cache"
|
||
],
|
||
"execution_count": null,
|
||
"outputs": [
|
||
{
|
||
"output_type": "stream",
|
||
"text": [
|
||
"\u001b[34m\u001b[1mtrain: \u001b[0mweights=yolov5s.pt, cfg=, data=coco128.yaml, hyp=data/hyps/hyp.scratch.yaml, epochs=3, batch_size=16, imgsz=640, rect=False, resume=False, nosave=False, noval=False, noautoanchor=False, evolve=None, bucket=, cache=ram, image_weights=False, device=, multi_scale=False, single_cls=False, adam=False, sync_bn=False, workers=8, project=runs/train, entity=None, name=exp, exist_ok=False, quad=False, linear_lr=False, label_smoothing=0.0, upload_dataset=False, bbox_interval=-1, save_period=-1, artifact_alias=latest, local_rank=-1, freeze=0\n",
|
||
"\u001b[34m\u001b[1mgithub: \u001b[0mup to date with https://github.com/ultralytics/yolov5 ✅\n",
|
||
"YOLOv5 🚀 v5.0-367-g01cdb76 torch 1.9.0+cu102 CUDA:0 (Tesla V100-SXM2-16GB, 16160.5MB)\n",
|
||
"\n",
|
||
"\u001b[34m\u001b[1mhyperparameters: \u001b[0mlr0=0.01, lrf=0.2, momentum=0.937, weight_decay=0.0005, warmup_epochs=3.0, warmup_momentum=0.8, warmup_bias_lr=0.1, box=0.05, cls=0.5, cls_pw=1.0, obj=1.0, obj_pw=1.0, iou_t=0.2, anchor_t=4.0, fl_gamma=0.0, hsv_h=0.015, hsv_s=0.7, hsv_v=0.4, degrees=0.0, translate=0.1, scale=0.5, shear=0.0, perspective=0.0, flipud=0.0, fliplr=0.5, mosaic=1.0, mixup=0.0, copy_paste=0.0\n",
|
||
"\u001b[34m\u001b[1mWeights & Biases: \u001b[0mrun 'pip install wandb' to automatically track and visualize YOLOv5 🚀 runs (RECOMMENDED)\n",
|
||
"\u001b[34m\u001b[1mTensorBoard: \u001b[0mStart with 'tensorboard --logdir runs/train', view at http://localhost:6006/\n",
|
||
"2021-08-15 14:40:43.449642: I tensorflow/stream_executor/platform/default/dso_loader.cc:53] Successfully opened dynamic library libcudart.so.11.0\n",
|
||
"\n",
|
||
" from n params module arguments \n",
|
||
" 0 -1 1 3520 models.common.Focus [3, 32, 3] \n",
|
||
" 1 -1 1 18560 models.common.Conv [32, 64, 3, 2] \n",
|
||
" 2 -1 1 18816 models.common.C3 [64, 64, 1] \n",
|
||
" 3 -1 1 73984 models.common.Conv [64, 128, 3, 2] \n",
|
||
" 4 -1 3 156928 models.common.C3 [128, 128, 3] \n",
|
||
" 5 -1 1 295424 models.common.Conv [128, 256, 3, 2] \n",
|
||
" 6 -1 3 625152 models.common.C3 [256, 256, 3] \n",
|
||
" 7 -1 1 1180672 models.common.Conv [256, 512, 3, 2] \n",
|
||
" 8 -1 1 656896 models.common.SPP [512, 512, [5, 9, 13]] \n",
|
||
" 9 -1 1 1182720 models.common.C3 [512, 512, 1, False] \n",
|
||
" 10 -1 1 131584 models.common.Conv [512, 256, 1, 1] \n",
|
||
" 11 -1 1 0 torch.nn.modules.upsampling.Upsample [None, 2, 'nearest'] \n",
|
||
" 12 [-1, 6] 1 0 models.common.Concat [1] \n",
|
||
" 13 -1 1 361984 models.common.C3 [512, 256, 1, False] \n",
|
||
" 14 -1 1 33024 models.common.Conv [256, 128, 1, 1] \n",
|
||
" 15 -1 1 0 torch.nn.modules.upsampling.Upsample [None, 2, 'nearest'] \n",
|
||
" 16 [-1, 4] 1 0 models.common.Concat [1] \n",
|
||
" 17 -1 1 90880 models.common.C3 [256, 128, 1, False] \n",
|
||
" 18 -1 1 147712 models.common.Conv [128, 128, 3, 2] \n",
|
||
" 19 [-1, 14] 1 0 models.common.Concat [1] \n",
|
||
" 20 -1 1 296448 models.common.C3 [256, 256, 1, False] \n",
|
||
" 21 -1 1 590336 models.common.Conv [256, 256, 3, 2] \n",
|
||
" 22 [-1, 10] 1 0 models.common.Concat [1] \n",
|
||
" 23 -1 1 1182720 models.common.C3 [512, 512, 1, False] \n",
|
||
" 24 [17, 20, 23] 1 229245 models.yolo.Detect [80, [[10, 13, 16, 30, 33, 23], [30, 61, 62, 45, 59, 119], [116, 90, 156, 198, 373, 326]], [128, 256, 512]]\n",
|
||
"Model Summary: 283 layers, 7276605 parameters, 7276605 gradients, 17.1 GFLOPs\n",
|
||
"\n",
|
||
"Transferred 362/362 items from yolov5s.pt\n",
|
||
"Scaled weight_decay = 0.0005\n",
|
||
"\u001b[34m\u001b[1moptimizer:\u001b[0m SGD with parameter groups 59 weight, 62 weight (no decay), 62 bias\n",
|
||
"\u001b[34m\u001b[1malbumentations: \u001b[0mversion 1.0.3 required by YOLOv5, but version 0.1.12 is currently installed\n",
|
||
"\u001b[34m\u001b[1mtrain: \u001b[0mScanning '../datasets/coco128/labels/train2017' images and labels...128 found, 0 missing, 2 empty, 0 corrupted: 100% 128/128 [00:00<00:00, 2440.28it/s]\n",
|
||
"\u001b[34m\u001b[1mtrain: \u001b[0mNew cache created: ../datasets/coco128/labels/train2017.cache\n",
|
||
"\u001b[34m\u001b[1mtrain: \u001b[0mCaching images (0.1GB ram): 100% 128/128 [00:00<00:00, 302.61it/s]\n",
|
||
"\u001b[34m\u001b[1mval: \u001b[0mScanning '../datasets/coco128/labels/train2017.cache' images and labels... 128 found, 0 missing, 2 empty, 0 corrupted: 100% 128/128 [00:00<?, ?it/s]\n",
|
||
"\u001b[34m\u001b[1mval: \u001b[0mCaching images (0.1GB ram): 100% 128/128 [00:00<00:00, 142.55it/s]\n",
|
||
"[W pthreadpool-cpp.cc:90] Warning: Leaking Caffe2 thread-pool after fork. (function pthreadpool)\n",
|
||
"[W pthreadpool-cpp.cc:90] Warning: Leaking Caffe2 thread-pool after fork. (function pthreadpool)\n",
|
||
"Plotting labels... \n",
|
||
"\n",
|
||
"\u001b[34m\u001b[1mautoanchor: \u001b[0mAnalyzing anchors... anchors/target = 4.27, Best Possible Recall (BPR) = 0.9935\n",
|
||
"Image sizes 640 train, 640 val\n",
|
||
"Using 2 dataloader workers\n",
|
||
"Logging results to runs/train/exp\n",
|
||
"Starting training for 3 epochs...\n",
|
||
"\n",
|
||
" Epoch gpu_mem box obj cls labels img_size\n",
|
||
" 0/2 3.64G 0.04492 0.0674 0.02213 298 640: 100% 8/8 [00:03<00:00, 2.05it/s]\n",
|
||
" Class Images Labels P R mAP@.5 mAP@.5:.95: 100% 4/4 [00:00<00:00, 4.70it/s]\n",
|
||
" all 128 929 0.686 0.565 0.642 0.421\n",
|
||
"\n",
|
||
" Epoch gpu_mem box obj cls labels img_size\n",
|
||
" 1/2 5.04G 0.04403 0.0611 0.01986 232 640: 100% 8/8 [00:01<00:00, 5.59it/s]\n",
|
||
" Class Images Labels P R mAP@.5 mAP@.5:.95: 100% 4/4 [00:00<00:00, 4.46it/s]\n",
|
||
" all 128 929 0.694 0.563 0.654 0.425\n",
|
||
"\n",
|
||
" Epoch gpu_mem box obj cls labels img_size\n",
|
||
" 2/2 5.04G 0.04616 0.07056 0.02071 214 640: 100% 8/8 [00:01<00:00, 5.94it/s]\n",
|
||
" Class Images Labels P R mAP@.5 mAP@.5:.95: 100% 4/4 [00:02<00:00, 1.52it/s]\n",
|
||
" all 128 929 0.711 0.562 0.66 0.431\n",
|
||
"\n",
|
||
"3 epochs completed in 0.005 hours.\n",
|
||
"Optimizer stripped from runs/train/exp/weights/last.pt, 14.8MB\n",
|
||
"Optimizer stripped from runs/train/exp/weights/best.pt, 14.8MB\n",
|
||
"Results saved to \u001b[1mruns/train/exp\u001b[0m\n"
|
||
],
|
||
"name": "stdout"
|
||
}
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "markdown",
|
||
"metadata": {
|
||
"id": "15glLzbQx5u0"
|
||
},
|
||
"source": [
|
||
"# 4. Visualize"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "markdown",
|
||
"metadata": {
|
||
"id": "DLI1JmHU7B0l"
|
||
},
|
||
"source": [
|
||
"## Weights & Biases Logging 🌟 NEW\n",
|
||
"\n",
|
||
"[Weights & Biases](https://wandb.ai/site?utm_campaign=repo_yolo_notebook) (W&B) is now integrated with YOLOv5 for real-time visualization and cloud logging of training runs. This allows for better run comparison and introspection, as well improved visibility and collaboration for teams. To enable W&B `pip install wandb`, and then train normally (you will be guided through setup on first use). \n",
|
||
"\n",
|
||
"During training you will see live updates at [https://wandb.ai/home](https://wandb.ai/home?utm_campaign=repo_yolo_notebook), and you can create and share detailed [Reports](https://wandb.ai/glenn-jocher/yolov5_tutorial/reports/YOLOv5-COCO128-Tutorial-Results--VmlldzozMDI5OTY) of your results. For more information see the [YOLOv5 Weights & Biases Tutorial](https://github.com/ultralytics/yolov5/issues/1289). \n",
|
||
"\n",
|
||
"<img align=\"left\" src=\"https://user-images.githubusercontent.com/26833433/125274843-a27bc600-e30e-11eb-9a44-62af0b7a50a2.png\" width=\"800\">"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "markdown",
|
||
"metadata": {
|
||
"id": "-WPvRbS5Swl6"
|
||
},
|
||
"source": [
|
||
"## Local Logging\n",
|
||
"\n",
|
||
"All results are logged by default to `runs/train`, with a new experiment directory created for each new training as `runs/train/exp2`, `runs/train/exp3`, etc. View train and val jpgs to see mosaics, labels, predictions and augmentation effects. Note an Ultralytics **Mosaic Dataloader** is used for training (shown below), which combines 4 images into 1 mosaic during training.\n",
|
||
"\n",
|
||
"> <img src=\"https://user-images.githubusercontent.com/26833433/131255960-b536647f-7c61-4f60-bbc5-cb2544d71b2a.jpg\" width=\"700\"> \n",
|
||
"`train_batch0.jpg` shows train batch 0 mosaics and labels\n",
|
||
"\n",
|
||
"> <img src=\"https://user-images.githubusercontent.com/26833433/131256748-603cafc7-55d1-4e58-ab26-83657761aed9.jpg\" width=\"700\"> \n",
|
||
"`test_batch0_labels.jpg` shows val batch 0 labels\n",
|
||
"\n",
|
||
"> <img src=\"https://user-images.githubusercontent.com/26833433/131256752-3f25d7a5-7b0f-4bb3-ab78-46343c3800fe.jpg\" width=\"700\"> \n",
|
||
"`test_batch0_pred.jpg` shows val batch 0 _predictions_\n",
|
||
"\n",
|
||
"Training results are automatically logged to [Tensorboard](https://www.tensorflow.org/tensorboard) and [CSV](https://github.com/ultralytics/yolov5/pull/4148) as `results.csv`, which is plotted as `results.png` (below) after training completes. You can also plot any `results.csv` file manually:\n",
|
||
"\n",
|
||
"```python\n",
|
||
"from utils.plots import plot_results \n",
|
||
"plot_results('path/to/results.csv') # plot 'results.csv' as 'results.png'\n",
|
||
"```\n",
|
||
"\n",
|
||
"<img align=\"left\" width=\"800\" alt=\"COCO128 Training Results\" src=\"https://user-images.githubusercontent.com/26833433/126906780-8c5e2990-6116-4de6-b78a-367244a33ccf.png\">"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "markdown",
|
||
"metadata": {
|
||
"id": "Zelyeqbyt3GD"
|
||
},
|
||
"source": [
|
||
"# Environments\n",
|
||
"\n",
|
||
"YOLOv5 may be run in any of the following up-to-date verified environments (with all dependencies including [CUDA](https://developer.nvidia.com/cuda)/[CUDNN](https://developer.nvidia.com/cudnn), [Python](https://www.python.org/) and [PyTorch](https://pytorch.org/) preinstalled):\n",
|
||
"\n",
|
||
"- **Google Colab and Kaggle** notebooks with free GPU: <a href=\"https://colab.research.google.com/github/ultralytics/yolov5/blob/master/tutorial.ipynb\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"></a> <a href=\"https://www.kaggle.com/ultralytics/yolov5\"><img src=\"https://kaggle.com/static/images/open-in-kaggle.svg\" alt=\"Open In Kaggle\"></a>\n",
|
||
"- **Google Cloud** Deep Learning VM. See [GCP Quickstart Guide](https://github.com/ultralytics/yolov5/wiki/GCP-Quickstart)\n",
|
||
"- **Amazon** Deep Learning AMI. See [AWS Quickstart Guide](https://github.com/ultralytics/yolov5/wiki/AWS-Quickstart)\n",
|
||
"- **Docker Image**. See [Docker Quickstart Guide](https://github.com/ultralytics/yolov5/wiki/Docker-Quickstart) <a href=\"https://hub.docker.com/r/ultralytics/yolov5\"><img src=\"https://img.shields.io/docker/pulls/ultralytics/yolov5?logo=docker\" alt=\"Docker Pulls\"></a>\n"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "markdown",
|
||
"metadata": {
|
||
"id": "6Qu7Iesl0p54"
|
||
},
|
||
"source": [
|
||
"# Status\n",
|
||
"\n",
|
||
"\n",
|
||
"\n",
|
||
"If this badge is green, all [YOLOv5 GitHub Actions](https://github.com/ultralytics/yolov5/actions) Continuous Integration (CI) tests are currently passing. CI tests verify correct operation of YOLOv5 training ([train.py](https://github.com/ultralytics/yolov5/blob/master/train.py)), testing ([val.py](https://github.com/ultralytics/yolov5/blob/master/val.py)), inference ([detect.py](https://github.com/ultralytics/yolov5/blob/master/detect.py)) and export ([export.py](https://github.com/ultralytics/yolov5/blob/master/export.py)) on MacOS, Windows, and Ubuntu every 24 hours and on every commit.\n"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "markdown",
|
||
"metadata": {
|
||
"id": "IEijrePND_2I"
|
||
},
|
||
"source": [
|
||
"# Appendix\n",
|
||
"\n",
|
||
"Optional extras below. Unit tests validate repo functionality and should be run on any PRs submitted.\n"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"metadata": {
|
||
"id": "mcKoSIK2WSzj"
|
||
},
|
||
"source": [
|
||
"# Reproduce\n",
|
||
"for x in 'yolov5s', 'yolov5m', 'yolov5l', 'yolov5x':\n",
|
||
" !python val.py --weights {x}.pt --data coco.yaml --img 640 --conf 0.25 --iou 0.45 # speed\n",
|
||
" !python val.py --weights {x}.pt --data coco.yaml --img 640 --conf 0.001 --iou 0.65 # mAP"
|
||
],
|
||
"execution_count": null,
|
||
"outputs": []
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"metadata": {
|
||
"id": "GMusP4OAxFu6"
|
||
},
|
||
"source": [
|
||
"# PyTorch Hub\n",
|
||
"import torch\n",
|
||
"\n",
|
||
"# Model\n",
|
||
"model = torch.hub.load('ultralytics/yolov5', 'yolov5s')\n",
|
||
"\n",
|
||
"# Images\n",
|
||
"dir = 'https://ultralytics.com/images/'\n",
|
||
"imgs = [dir + f for f in ('zidane.jpg', 'bus.jpg')] # batch of images\n",
|
||
"\n",
|
||
"# Inference\n",
|
||
"results = model(imgs)\n",
|
||
"results.print() # or .show(), .save()"
|
||
],
|
||
"execution_count": null,
|
||
"outputs": []
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"metadata": {
|
||
"id": "FGH0ZjkGjejy"
|
||
},
|
||
"source": [
|
||
"# Unit tests\n",
|
||
"%%shell\n",
|
||
"export PYTHONPATH=\"$PWD\" # to run *.py. files in subdirectories\n",
|
||
"\n",
|
||
"rm -rf runs # remove runs/\n",
|
||
"for m in yolov5s; do # models\n",
|
||
" python train.py --weights $m.pt --epochs 3 --img 320 --device 0 # train pretrained\n",
|
||
" python train.py --weights '' --cfg $m.yaml --epochs 3 --img 320 --device 0 # train scratch\n",
|
||
" for d in 0 cpu; do # devices\n",
|
||
" python detect.py --weights $m.pt --device $d # detect official\n",
|
||
" python detect.py --weights runs/train/exp/weights/best.pt --device $d # detect custom\n",
|
||
" python val.py --weights $m.pt --device $d # val official\n",
|
||
" python val.py --weights runs/train/exp/weights/best.pt --device $d # val custom\n",
|
||
" done\n",
|
||
" python hubconf.py # hub\n",
|
||
" python models/yolo.py --cfg $m.yaml # inspect\n",
|
||
" python export.py --weights $m.pt --img 640 --batch 1 # export\n",
|
||
"done"
|
||
],
|
||
"execution_count": null,
|
||
"outputs": []
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"metadata": {
|
||
"id": "gogI-kwi3Tye"
|
||
},
|
||
"source": [
|
||
"# Profile\n",
|
||
"from utils.torch_utils import profile\n",
|
||
"\n",
|
||
"m1 = lambda x: x * torch.sigmoid(x)\n",
|
||
"m2 = torch.nn.SiLU()\n",
|
||
"results = profile(input=torch.randn(16, 3, 640, 640), ops=[m1, m2], n=100)"
|
||
],
|
||
"execution_count": null,
|
||
"outputs": []
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"metadata": {
|
||
"id": "RVRSOhEvUdb5"
|
||
},
|
||
"source": [
|
||
"# Evolve\n",
|
||
"!python train.py --img 640 --batch 64 --epochs 100 --data coco128.yaml --weights yolov5s.pt --cache --noautoanchor --evolve\n",
|
||
"!d=runs/train/evolve && cp evolve.* $d && zip -r evolve.zip $d && gsutil mv evolve.zip gs://bucket # upload results (optional)"
|
||
],
|
||
"execution_count": null,
|
||
"outputs": []
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"metadata": {
|
||
"id": "BSgFCAcMbk1R"
|
||
},
|
||
"source": [
|
||
"# VOC\n",
|
||
"for b, m in zip([64, 48, 32, 16], ['yolov5s', 'yolov5m', 'yolov5l', 'yolov5x']): # zip(batch_size, model)\n",
|
||
" !python train.py --batch {b} --weights {m}.pt --data VOC.yaml --epochs 50 --cache --img 512 --nosave --hyp hyp.finetune.yaml --project VOC --name {m}"
|
||
],
|
||
"execution_count": null,
|
||
"outputs": []
|
||
}
|
||
]
|
||
} |