What is Train Adapt Optimize (TAO) Toolkit?

Train Adapt Optimize (TAO) Toolkit is a python based AI toolkit for taking purpose-built pre-trained AI models and customizing them with your own data. TAO adapts popular network architectures and backbones to your data, allowing you to train, fine tune, prune and export highly optimized and accurate AI models for edge deployment. This model is ready for commercial use.

The pre-trained models accelerate the AI training process and reduce costs associated with large scale data collection, labeling, and training models from scratch. Transfer learning with pre-trained models can be used for AI applications in smart cities, retail, healthcare, industrial inspection and more.

Build end-to-end services and solutions for transforming pixels and sensor data to actionable insights using TAO, DeepStream SDK and TensorRT. The models are suitable for object detection and classification.

Object Detection Using TAO

Object detection is a popular computer vision technique that can detect one or multiple objects in a frame. Object detection will recognize the individual objects in an image and places bounding boxes around the object. This model card contains pretrained weights that may be used as a starting point with the following object detection networks in Train Adapt Optimize (TAO) Toolkit to facilitate transfer learning.

YOLOV3
YOLOV4
YOLOV4-Tiny
FasterRCNN
SSD
DSSD
RetinaNet

It is trained on a subset of the Google OpenImages dataset. Following backbones are supported with these detection networks.

resnet10/resnet18/resnet34/resnet50/resnet101
vgg16/vgg19
googlenet
mobilenet_v1/mobilenet_v2
squeezenet
darknet19/darknet53
efficientnet_b0
cspdarknet19/cspdarknet53
cspdarknet-tiny

Some combinations might not be supported. See the matrix below for all supported combinations.

$\"LOGO\"$

To see the full list of all the backbones, scroll over to the version history tab.

Note: These are unpruned models with just the feature extractor weights, and may not be used without re-training in an object detection application

Note: The ResNet101 model is currently only supported for FasterRCNN currently. Please make sure to turn set the all_projections field to False in the spec file when training a ResNet101 model. For more information about this parameter please refer to the TAO Getting Started Guide.

Note: The pre-trained weights in this model are only for the detection networks above and shouldn't be used for DetectNet_v2 based object detection models. For pre-trained weights with DetectNet_v2, click here

Running Object Detection Models Using TAO

The object detection apps in TAO expect data in KITTI file format. TAO provides a simple command line interface to train a deep learning model for object detection.

The models in this model area are only compatible with TAO Toolkit. For more information about the TAO container, please visit the TAO container page.

Before running the container, use docker pull to ensure an up-to-date image is installed. Once the pull is complete, you can run the container image.

\n
Install the NGC CLI from ngc.nvidia.com
\n
\n
To view all the backbones that are supported by object detection architecture in TAO:
\n

ngc registry model list nvidia/tao_pretrained_object_detection:*\n

Download the model:

--dest \n\">

ngc registry model download-version nvidia/tao_pretrained_object_detection:<template> --dest <path>\n

Instructions to run the sample notebook

\n
Get the NGC API key from the SETUP tab on the left. Please store this key for future use. Detailed instructions can be found here
\n
\n
Configure the NGC command line interface using the command mentioned below and follow the prompts.
\n

ngc config set\n

Download the sample notebooks from NGC using the command below

ngc registry resource download-version \"nvidia/tao_cv_samples:v1.0.2\"\n

Invoke the jupyter notebook using the following command

jupyter notebook --ip 0.0.0.0 --port 8888 --allow-root\n

Open an internet browser and type in the following URL to start running the notebooks when running on a local machine.

http://0.0.0.0:8888\n

If you wish to run view the notebook from a remote client, please modify the URL as follows:

http://a.b.c.d:8888\n

Where, the a.b.c.d is the IP address of the machine running the container.

Other TAO Pre-trained Models

\n
Get TAO DetectNet_v2 Object Detection pre-trained models for DetectNet_v2 architecture from NGC model registry
\n
\n
Get TAO EfficientDet Object Detection pre-trained models for DetectNet_v2 architecture from NGC model registry
\n
\n
Get TAO classification pre-trained models from NGC model registry
\n
\n
Get TAO Instance segmentation pre-trained models for MaskRCNN architecture from NGC
\n
\n
Get TAO Semantic segmentation pre-trained models for UNet architecture from NGC
\n
\n
Get Purpose-built models from NGC model registry:
\n
- PeopleNet
- TrafficCamNet
- DashCamNet
- FaceDetectIR
- VehicleMakeNet
- VehicleTypeNet
- PeopleSegNet
- PeopleSemSegNet
- License Plate Detection
- License Plate Recognition
- Gaze Estimation
- Facial Landmark
- Heart Rate Estimation
- Gesture Recognition
- Emotion Recognition
- FaceDetect
- 2D Body Pose Net
- ActionRecognitionNet
\n

License

This work is licensed under the Creative Commons Attribution 4.0 International License. To view a copy of this license, please visit this link, or send a letter to Creative Commons, PO Box 1866, Mountain View, CA 94042, USA.

Technical blogs

Train like a ‘pro’ without being an AI expert using TAO AutoML
Create Custom AI models using NVIDIA TAO Toolkit with Azure Machine Learning
Developing and Deploying AI-powered Robots with NVIDIA Isaac Sim and NVIDIA TAO
Learn endless ways to adapt and supercharge your AI workflows with TAO - Whitepaper
Customize Action Recognition with TAO and deploy with DeepStream
Read the 2 part blog on training and optimizing 2D body pose estimation model with TAO - Part 1 | Part 2
Learn how to train real-time License plate detection and recognition app with TAO and DeepStream.
Model accuracy is extremely important, learn how you can achieve state of the art accuracy for classification and object detection models using TAO

Ethical Considerations

NVIDIA believes Trustworthy AI is a shared responsibility and we have established policies and practices to enable development for a wide array of AI applications. When downloaded or used in accordance with our terms of service, developers should work with their supporting model team to ensure this model meets requirements for the relevant industry and use case and addresses unforeseen product misuse. For more detailed information on ethical considerations for this model, please see the Model Card++ Explainability, Bias, Safety & Security, and Privacy Subcards here. Please report security vulnerabilities or NVIDIA AI Concerns here.

NVIDIA’s platforms and application frameworks enable developers to build a wide array of AI applications. Consider potential algorithmic bias when choosing or creating the models being deployed. Work with the model’s developer to ensure that it meets the requirements for the relevant industry and use case; that the necessary instruction and documentation are provided to understand error rates, confidence intervals, and results; and that the model is being used under the conditions and in the manner intended.

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TAO adapts popular network architectures and backbones to your data, allowing you to train, fine tune, prune and export highly optimized and accurate AI models for edge deployment. This model is ready for commercial use.\n\nThe pre-trained models accelerate the AI training process and reduce costs associated with large scale data collection, labeling, and training models from scratch. Transfer learning with pre-trained models can be used for AI applications in smart cities, retail, healthcare, industrial inspection and more.\n\nBuild end-to-end services and solutions for transforming pixels and sensor data to actionable insights using TAO, [DeepStream SDK](https://developer.nvidia.com/deepstream-sdk) and [TensorRT](https://developer.nvidia.com/tensorrt). The models are suitable for object detection and classification.\n\n### Object Detection Using TAO \n\nObject detection is a popular computer vision technique that can detect one or multiple objects in a frame. Object detection will recognize the individual objects in an image and places bounding boxes around the object. This model card contains pretrained weights that may be used as a starting point with the following object detection networks in Train Adapt Optimize (TAO) Toolkit to facilitate transfer learning.\n\n- **YOLOV3**\n- **YOLOV4**\n- **YOLOV4-Tiny**\n- **FasterRCNN**\n- **SSD**\n- **DSSD**\n- **RetinaNet**\n\nIt is trained on a subset of the Google OpenImages dataset. Following backbones are supported with these detection networks.\n\n- resnet10/resnet18/resnet34/resnet50/resnet101\n- vgg16/vgg19\n- googlenet\n- mobilenet_v1/mobilenet_v2\n- squeezenet\n- darknet19/darknet53\n- efficientnet_b0\n- cspdarknet19/cspdarknet53\n- cspdarknet-tiny\n\nSome combinations might not be supported. See the matrix below for all supported combinations.\n\n![LOGO](https://github.com/vpraveen-nv/model_card_images/raw/main/api/openimage_table.jpg)\n\nTo see the full list of all the backbones, scroll over to the version history tab.\n\n***Note:*** These are unpruned models with just the feature extractor weights, and may not be used without re-training in an object detection application\n\n***Note:*** The `ResNet101` model is currently only supported for **FasterRCNN** currently. Please make sure to turn set the `all_projections` field to `False` in the spec file when training a `ResNet101` model. For more information about this parameter please refer to the [TAO Getting Started Guide](https://docs.nvidia.com/tao/tao-toolkit/index.html).\n\n***Note:*** The pre-trained weights in this model are only for the detection networks above and shouldn't be used for DetectNet_v2 based object detection models. For pre-trained weights with DetectNet_v2, click [here](https://ngc.nvidia.com/catalog/models/nvidia:tao:pretrained_detectnet_v2)\n\n### Running Object Detection Models Using TAO \n\nThe object detection apps in TAO expect data in KITTI file format. TAO provides a simple command line interface to train a deep learning model for object detection.\n\nThe models in this model area are only compatible with TAO Toolkit. For more information about the TAO container, please visit the TAO container page.\n\nBefore running the container, use docker pull to ensure an up-to-date image is installed. Once the pull is complete, you can run the container image.\n\n1. Install the NGC CLI from ngc.nvidia.com\n\n2. To view all the backbones that are supported by object detection architecture in TAO:\n\n```sh\nngc registry model list nvidia/tao_pretrained_object_detection:*\n```\n\n3. Download the model:\n\n```sh\nngc registry model download-version nvidia/tao_pretrained_object_detection: