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Field	Response
Participation considerations from adversely impacted groups (protected classes) in model design and testing:	Unknown
Measures taken to mitigate against unwanted bias:	No measures taken to mitigate against unwanted bias.

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ReIdentificationNet Model Card

Description:

ReIdentificationNet generates embeddings for identifying people captured in different scenes.

This model is ready for commercial use

References:

Citations

H. Luo, Y. Gu, X. Liao, S. Lai and W. Jiang, \"Bag of Tricks and a Strong Baseline for Deep Person Re-Identification,\" 2019 IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW), 2019, 1\npp. 1487-1495, doi: 10.1109/CVPRW.2019.00190.
L. Zheng, L. Shen, L. Tian, S. Wang, J. Wang and Q. Tian, \"Scalable Person Re-identification: A Benchmark,\" 2015 IEEE International Conference on Computer Vision (ICCV), 2015, pp. 1116-1124, doi: 10.1109/ICCV.2015.133.
M. Naphade, S. Wang, D. C. Anastasiu, Z. Tang, M.-C. Chang, Y. Yao, L. Zheng, M. S. Rahman, M. S. Arya, A. Sharma, Q. Feng, V. Ablavsky, S. Sclaroff, P. Chakraborty, S. Prajapati, A. Li, S. Li, K. Kunadharaju, S. Jiang and R. Chellappa, \"The 7th AI City Challenge,\" in 2023 IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW), 2023.

Using TAO Pre-trained Models

Get TAO Container
Get other purpose-built models from the NGC model registry:\n
- TrafficCamNet
- PeopleNet
- PeopleNet-Transformer
- DashCamNet
- FaceDetectIR
- VehicleMakeNet
- VehicleTypeNet
- PeopleSegNet
- PeopleSemSegNet
- License Plate Detection
- License Plate Recognition
- PoseClassificationNet
- Facial Landmark
- FaceDetect
- 2D Body Pose Estimation
- ActionRecognitionNet
- People ReIdentification
- PointPillarNet
- CitySegFormer
- Retail Object Detection
- Retail Object Embedding
- Optical Inspection
- Optical Character Detection
- Optical Character Recognition
- PCB Classification
- PeopleSemSegFormer
\n

Model Architecture:

Architecture Type: Convolution Neural Network (CNN)
\nNetwork Architecture: ResNet50

Input:

Input Type(s): Image
\nInput Format(s): Red, Green, Blue (RGB)
\nInput Parameters: 2D
\nOther Properties Related to Input: Fixed Resolution: B X 3 X 256 X 128; No minimum bit depth, alpha, or gamma

Output:

Output Type(s): Embeddings
\nOutput Format: Numpy (Npy)
\nOther Properties Related to Output: Precision to billionths

Software Integration:

Runtime Engine(s):

TAO - 5.2
DeepStream 6.1 or later

Supported Hardware Architecture(s):

Ampere
Jetson
Hopper
Lovelace
Pascal
Turing
Volta

Supported Operating System(s):

Linux
Linux 4 Tegra

Model Version(s):

deployable_v1.2 - ONNX model for re-identification deployable to DeepStream or TensorRT.
trainable_v1.1 - Pre-trained model for re-identification.
deployable_v1.1 - Encrypted model for re-identification deployable to DeepStream or TensorRT.

Training & Evaluation:

Training Dataset:

Data Collection Method by dataset:

Automatic/Sensors

Labeling Method by dataset:

Unknown

Properties: 14737 images from Market-1501 dataset of 751 real people and 29533 images of 156 people (148 of which are synthetic) from MTMC people tracking dataset from the 2023 AI City Challenge.

Class distribution

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n

tr:nth-child(odd)]:bg-surface-sunken\">

subset	no. total identities	no. total images	no. total cameras	no. real identities	no. real images	no. real cameras	no. synthetic identities	no. synthetic images	no. synthetic cameras
Train	907	44070	135	759	14537	13	148	29533	122
Test	907	28768	135	759	21163	13	148	7605	122
Query	906	4356	135	758	3539	13	148	817	122

Data Format

The data format must be in the following format.

/data\n    /market1501\n        /bounding_box_train\n            0001_c1s1_01_00.jpg\n            0001_c1s1_02_00.jpg\n            0002_c1s1_03_00.jpg\n            0002_c1s1_04_00.jpg\n            0003_c1s1_05_00.jpg\n            0003_c1s1_06_00.jpg\n            ...\n            ...\n            ...\n            N.png\n        /bounding_box_test\n            0001_c1s1_01_00.jpg\n            0001_c1s1_02_00.jpg\n            0002_c1s1_03_00.jpg\n            0002_c1s1_04_00.jpg\n            0003_c1s1_05_00.jpg\n            0003_c1s1_06_00.jpg\n            ...\n            ...\n            ...\n            N.jpg\n        /query\n            0001_c1s1_01_00.jpg\n            0001_c1s1_02_00.jpg\n            0002_c1s1_03_00.jpg\n            0002_c1s1_04_00.jpg\n            0003_c1s1_05_00.jpg\n            0003_c1s1_06_00.jpg\n            ...\n            ...\n            ...\n            N.jpg\n

The dataset should be divided into different directories by train, test and query folders. Each of these folders will contain image crops with the above naming scheme.

For example:, the image 0001_c1s1_01_00.jpg is the first sequence s1 of camera c1. 01 is the first frame in the sequence c1s1. 0001 in 0001_c1s1_01_00.jpg is the unique ID assigned to the object. Data after the third _ are ignored.

Evaluation Dataset:

Data Collection Method by dataset:

Automatic/Sensors

Labeling Method by dataset:

Unknown

Properties: 21163 testing images from Market-1501 dataset of 751 real people and 7605 testing images of 156 people (148 of which are synthetic) from MTMC people tracking dataset from the 2023 AI City Challenge.

Methodology and KPI

The key performance indicators are the ranked accuracy of re-identification and the mean average precision (mAP).

Rank-K accuracy: It is method of computing accuracy where the top-K highest confidence labels are matched with a ground truth label. If the ground truth label falls in one of these top-K labels, we state that this prediction is accurate. It allows us to get an overall accuracy measurement while being lenient on the predictions if the number of classes are too high and too similar. In our case, we compute rank-1, 5 and 10 accuracies. This means in case of rank-10, for a given sample, if the top-10 highest confidence labels predicted, match the label of ground truth, this sample will be counted as a correct measurement.

Mean average precision(mAP): Precision measures how accurate predictions are, in our case the logits of ID of an object. In other words, it measures the percentage of the predictions that are correct. mAP (mean average precision) is the average of average precision (AP) where AP is computed for each class, in our case ID.

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n

tr:nth-child(odd)]:bg-surface-sunken\">

model	feature dimension	mAP (%)	rank-1 accuracy (%)	rank-5 accuracy (%)	rank-10 accuracy (%)
resnet50_market1501	64	91.0	93.4	96.7	97.7
resnet50_market1501	128	92.1	94.5	96.9	97.9
resnet50_market1501	256	93.0	94.7	97.3	98.0
resnet50_market1501	512	93.4	95.1	97.5	98.1
resnet50_market1501	1024	93.7	94.8	97.5	98.2
resnet50_market1501	2048	93.9	95.3	98.0	98.4

Inference:

Engine: Tensor(RT), Triton
\nTest Hardware:

Jetson AGX Xavier
Xavier NX
Orin
Orin NX
NVIDIA T4
Ampere GPU
A2
A30
L4
T4
DGX H100
DGX A100
DGX H100
L40
JAO 64GB
Orin NX16GB
Orin Nano 8GB

The inference performance runs with trtexec on NVIDIA Ampere and Jetson GPUs. The end-to-end performance with image data might slightly vary depending on use cases of applications.

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n

tr:nth-child(odd)]:bg-surface-sunken\">

Model	Device	Precision	Batch Size	Latency (ms)	Images per Second
ResNet50	A10	Mixed	1	0.49	2057.64
ResNet50	A10	Mixed	16	2.83	5725.13
ResNet50	A10	Mixed	64	10.64	6088.47
ResNet50	A30	Mixed	1	0.50	2004.44
ResNet50	A30	Mixed	16	2.25	7445.72
ResNet50	A30	Mixed	64	7.14	9103.93
ResNet50	Jetson AGX Orin	FP16	1	0.96	1043.62
ResNet50	Jetson AGX Orin	FP16	16	6.42	2492.26
ResNet50	Jetson AGX Orin	FP16	64	23.09	2771.60

How to use this model

This model needs to be used with NVIDIA Hardware and Software. For Hardware, the model can run on any NVIDIA GPU including NVIDIA Jetson devices. This model can only be used with Train Adapt Optimize (TAO) Toolkit, DeepStream SDK or TensorRT.

Primary use case intended for this model is to generate embeddings for an object and then perform similarity matching.

A pre-trained model is provided:

resnet50_market1501_aicity156

It is intended for training and fine-tune using Train Adapt Optimize (TAO) Toolkit and the users' dataset of re-identification. High fidelity models can be trained to the new use cases. The Jupyter notebook available as a part of TAO container can be used to re-train.

The model is also intended for easy deployment to the edge using DeepStream SDK or TensorRT. DeepStream provides facility to create efficient video analytic pipelines to capture, decode and pre-process the data before running inference.

The model is encrypted and can be decrypted with the following key:

Model load key: nvidia_tao

Please make sure to use this as the key for all TAO commands that require a model load key.

Instructions to use the model with TAO toolkit

In order to use the model as pre-trained weights for transfer learning, please use the snippet below as a template for the model component of the experiment spec file to train a ReIdentificationNet. For more information on experiment spec file, please refer to the Train Adapt Optimize (TAO) Toolkit User Guide.

model:\n  backbone: resnet_50\n  last_stride: 1\n  pretrain_choice: imagenet\n  pretrained_model_path: /path/to/pretrained_resenet50.pth\n  input_channels: 3\n  input_width: 128\n  input_height: 256\n  neck: bnneck\n  feat_dim: 256\n  neck_feat: after\n  metric_loss_type: triplet\n  with_center_loss: False\n  with_flip_feature: False\n  label_smooth: True\n

Instructions to deploy the model with Triton Inference Server

To create the entire end-to-end video analytic application, deploy this model with Triton Inference Server. NVIDIA Triton Inference Server is an open-source inference serving software that helps standardize model deployment and execution and delivers fast and scalable AI in production. Triton supports direct integration of this model into the server and inference from a client.

To deploy this model with Triton Inference Server and end-to-end inference from video, please refer to the TAO Triton apps.

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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 internal 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++ Promise and the Explainability, Bias, Safety & Security, and Privacy Subcards.

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Luo, Y. Gu, X. Liao, S. Lai and W. Jiang, \"Bag of Tricks and a Strong Baseline for Deep Person Re-Identification,\" 2019 IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW), 2019, 1\npp. 1487-1495, doi: 10.1109/CVPRW.2019.00190.\n- L. Zheng, L. Shen, L. Tian, S. Wang, J. Wang and Q. Tian, \"Scalable Person Re-identification: A Benchmark,\" 2015 IEEE International Conference on Computer Vision (ICCV), 2015, pp. 1116-1124, doi: 10.1109/ICCV.2015.133.\n- M. Naphade, S. Wang, D. C. Anastasiu, Z. Tang, M.-C. Chang, Y. Yao, L. Zheng, M. S. Rahman, M. S. Arya, A. Sharma, Q. Feng, V. Ablavsky, S. Sclaroff, P. Chakraborty, S. Prajapati, A. Li, S. Li, K. Kunadharaju, S. Jiang and R. Chellappa, \"The 7th AI City Challenge,\" in 2023 IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW), 2023.\n\n### Using TAO Pre-trained Models \n- Get [TAO Container](https://ngc.nvidia.com/catalog/containers/nvidia:tao:tao-toolkit)\n- Get other purpose-built models from the NGC model registry:\n - [TrafficCamNet](https://ngc.nvidia.com/catalog/models/nvidia:tao:trafficcamnet)\n - [PeopleNet](https://ngc.nvidia.com/catalog/models/nvidia:tao:peoplenet)\n - [PeopleNet-Transformer](https://ngc.nvidia.com/catalog/models/nvidia:tao:peoplenet_transformer)\n - [DashCamNet](https://ngc.nvidia.com/catalog/models/nvidia:tao:dashcamnet)\n - [FaceDetectIR](https://ngc.nvidia.com/catalog/models/nvidia:tao:facedetectir)\n - [VehicleMakeNet](https://ngc.nvidia.com/catalog/models/nvidia:tao:vehiclemakenet)\n - [VehicleTypeNet](https://ngc.nvidia.com/catalog/models/nvidia:tao:vehicletypenet)\n - [PeopleSegNet](https://ngc.nvidia.com/catalog/models/nvidia:tao:peoplesegnet)\n - [PeopleSemSegNet](https://ngc.nvidia.com/catalog/models/nvidia:tao:peoplesemsegnet)\n - [License Plate Detection](https://ngc.nvidia.com/catalog/models/nvidia:tao:lpdnet)\n - [License Plate Recognition](https://ngc.nvidia.com/catalog/models/nvidia:tao:lprnet)\n - [PoseClassificationNet](https://ngc.nvidia.com/catalog/models/nvidia:tao:poseclassificationnet)\n - [Facial Landmark](https://ngc.nvidia.com/catalog/models/nvidia:tao:fpenet)\n - [FaceDetect](https://ngc.nvidia.com/catalog/models/nvidia:tao:facenet)\n - [2D Body Pose Estimation](https://ngc.nvidia.com/catalog/models/nvidia:tao:bodyposenet)\n - [ActionRecognitionNet](https://ngc.nvidia.com/catalog/models/nvidia:tao:actionrecognitionnet)\n - [People ReIdentification](https://ngc.nvidia.com/catalog/models/nvidia:tao:reidentificationnet)\n - [PointPillarNet](https://catalog.ngc.nvidia.com/orgs/nvidia/teams/tao/models/pointpillarnet)\n - [CitySegFormer](https://catalog.ngc.nvidia.com/orgs/nvidia/teams/tao/models/citysemsegformer)\n - [Retail Object Detection](https://catalog.ngc.nvidia.com/orgs/nvidia/teams/tao/models/retail_object_detection)\n - [Retail Object Embedding](https://catalog.ngc.nvidia.com/orgs/nvidia/teams/tao/models/retail_object_recognition)\n - [Optical Inspection](https://catalog.ngc.nvidia.com/orgs/nvidia/teams/tao/models/optical_inspection)\n - [Optical Character Detection](https://catalog.ngc.nvidia.com/orgs/nvidia/teams/tao/models/ocdnet)\n - [Optical Character Recognition](https://catalog.ngc.nvidia.com/orgs/nvidia/teams/tao/models/ocrnet)\n - [PCB Classification](https://catalog.ngc.nvidia.com/orgs/nvidia/teams/tao/models/pcb_classification)\n - [PeopleSemSegFormer](https://catalog.ngc.nvidia.com/orgs/nvidia/teams/tao/models/peoplesemsegformer)\n\n## Model Architecture: \n**Architecture Type:** Convolution Neural Network (CNN)
\n**Network Architecture:** ResNet50
\n\n## Input:\n**Input Type(s):** Image
\n**Input Format(s):** Red, Green, Blue (RGB)
\n**Input Parameters:** 2D
\n**Other Properties Related to Input:** Fixed Resolution: B X 3 X 256 X 128; No minimum bit depth, alpha, or gamma
\n\n## Output:\n**Output Type(s):** Embeddings
\n**Output Format:** Numpy (Npy)
\n**Other Properties Related to Output:** Precision to billionths
\n\n## Software Integration:\n**Runtime Engine(s):** \n* TAO - 5.2
\n* DeepStream 6.1 or later
\n\n**Supported Hardware Architecture(s):**
\n* Ampere
\n* Jetson
\n* Hopper
\n* Lovelace
\n* Pascal
\n* Turing
\n* Volta
\n\n**Supported Operating System(s):**
\n* Linux
\n* Linux 4 Tegra
\n\n## Model Version(s): \n- **deployable_v1.2** - ONNX model for re-identification deployable to DeepStream or TensorRT.\n- **trainable_v1.1** - Pre-trained model for re-identification.\n- **deployable_v1.1** - Encrypted model for re-identification deployable to DeepStream or TensorRT.\n\n## Training & Evaluation: \n\n## Training Dataset:\n**Data Collection Method by dataset:**
\n* Automatic/Sensors
\n\n**Labeling Method by dataset:**
\n* Unknown
\n\n**Properties:** 14737 images from [Market-1501](https://zheng-lab.cecs.anu.edu.au/Project/project_reid.html) dataset of 751 real people and 29533 images of 156 people (148 of which are synthetic) from [MTMC people tracking dataset from the 2023 AI City Challenge](https://www.aicitychallenge.org/2023-data-and-evaluation/).
\n\n### Class distribution\n\n|subset|no. total identities|no. total images|no. total cameras|no. real identities|no. real images|no. real cameras|no. synthetic identities|no. synthetic images|no. synthetic cameras|\n|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|\n|Train|907|44070|135|759|14537|13|148|29533|122|\n|Test|907|28768|135|759|21163|13|148|7605|122|\n|Query|906|4356|135|758|3539|13|148|817|122|\n\n### Data Format\n\nThe data format must be in the following format.\n```py\n/data\n /market1501\n /bounding_box_train\n 0001_c1s1_01_00.jpg\n 0001_c1s1_02_00.jpg\n 0002_c1s1_03_00.jpg\n 0002_c1s1_04_00.jpg\n 0003_c1s1_05_00.jpg\n 0003_c1s1_06_00.jpg\n ...\n ...\n ...\n N.png\n /bounding_box_test\n 0001_c1s1_01_00.jpg\n 0001_c1s1_02_00.jpg\n 0002_c1s1_03_00.jpg\n 0002_c1s1_04_00.jpg\n 0003_c1s1_05_00.jpg\n 0003_c1s1_06_00.jpg\n ...\n ...\n ...\n N.jpg\n /query\n 0001_c1s1_01_00.jpg\n 0001_c1s1_02_00.jpg\n 0002_c1s1_03_00.jpg\n 0002_c1s1_04_00.jpg\n 0003_c1s1_05_00.jpg\n 0003_c1s1_06_00.jpg\n ...\n ...\n ...\n N.jpg\n```\nThe dataset should be divided into different directories by train, test and query folders. Each of these folders will contain image crops with the above naming scheme.\n\nFor example:, the image `0001_c1s1_01_00.jpg` is the first sequence `s1` of camera `c1`. `01` is the first frame in the sequence `c1s1`. `0001` in `0001_c1s1_01_00.jpg` is the unique ID assigned to the object. Data after the third `_` are ignored.\n\n## Evaluation Dataset:\n\n**Data Collection Method by dataset:**
\n* Automatic/Sensors
\n\n**Labeling Method by dataset:**
\n* Unknown
\n\n**Properties:** 21163 testing images from [Market-1501](https://zheng-lab.cecs.anu.edu.au/Project/project_reid.html) dataset of 751 real people and 7605 testing images of 156 people (148 of which are synthetic) from [MTMC people tracking dataset from the 2023 AI City Challenge](https://www.aicitychallenge.org/2023-data-and-evaluation/).
\n\n### Methodology and KPI\n\nThe key performance indicators are the ranked accuracy of re-identification and the mean average precision (mAP).\n\nRank-K accuracy: It is method of computing accuracy where the top-K highest confidence labels are matched with a ground truth label. If the ground truth label falls in one of these top-K labels, we state that this prediction is accurate. It allows us to get an overall accuracy measurement while being lenient on the predictions if the number of classes are too high and too similar. In our case, we compute rank-1, 5 and 10 accuracies. This means in case of rank-10, for a given sample, if the top-10 highest confidence labels predicted, match the label of ground truth, this sample will be counted as a correct measurement.\n\nMean average precision(mAP): Precision measures how accurate predictions are, in our case the logits of ID of an object. In other words, it measures the percentage of the predictions that are correct. mAP (mean average precision) is the average of average precision (AP) where AP is computed for each class, in our case ID.\n\n|model|feature dimension|mAP (%)|rank-1 accuracy (%)|rank-5 accuracy (%)|rank-10 accuracy (%)|\n|---|---|---|---|---|---|\n|resnet50_market1501|64|91.0|93.4|96.7|97.7|\n|resnet50_market1501|128|92.1|94.5|96.9|97.9|\n|resnet50_market1501|256|93.0|94.7|97.3|98.0|\n|resnet50_market1501|512|93.4|95.1|97.5|98.1|\n|resnet50_market1501|1024|93.7|94.8|97.5|98.2|\n|resnet50_market1501|2048|93.9|95.3|98.0|98.4|\n\n## Inference:\n**Engine:** Tensor(RT), Triton
\n**Test Hardware:**
\n- Jetson AGX Xavier\n- Xavier NX\n- Orin\n- Orin NX\n- NVIDIA T4\n- Ampere GPU\n- A2\n- A30\n- L4\n- T4\n- DGX H100\n- DGX A100\n- DGX H100\n- L40\n- JAO 64GB\n- Orin NX16GB\n- Orin Nano 8GB\n\nThe inference performance runs with [`trtexec`](https://github.com/NVIDIA/TensorRT/tree/master/samples/trtexec) on NVIDIA Ampere and Jetson GPUs. The end-to-end performance with image data might slightly vary depending on use cases of applications.\n\n|Model|Device|Precision|Batch Size|Latency (ms)|Images per Second|\n|---|---|---|---|---|---|\n|ResNet50|A10|Mixed|1|0.49|2057.64|\n|ResNet50|A10|Mixed|16|2.83|5725.13|\n|ResNet50|A10|Mixed|64|10.64|6088.47|\n|ResNet50|A30|Mixed|1|0.50|2004.44|\n|ResNet50|A30|Mixed|16|2.25|7445.72|\n|ResNet50|A30|Mixed|64|7.14|9103.93|\n|ResNet50|Jetson AGX Orin|FP16|1|0.96|1043.62|\n|ResNet50|Jetson AGX Orin|FP16|16|6.42|2492.26|\n|ResNet50|Jetson AGX Orin|FP16|64|23.09|2771.60|\n\n## How to use this model \n\nThis model needs to be used with NVIDIA Hardware and Software. For Hardware, the model can run on any NVIDIA GPU including NVIDIA Jetson devices. This model can only be used with [Train Adapt Optimize (TAO) Toolkit](https://developer.nvidia.com/tao-toolkit), [DeepStream SDK](https://developer.nvidia.com/deepstream-sdk) or [TensorRT](https://developer.nvidia.com/tensorrt).\n\nPrimary use case intended for this model is to generate embeddings for an object and then perform similarity matching.\n\nA pre-trained model is provided:\n- resnet50_market1501_aicity156\n\nIt is intended for training and fine-tune using Train Adapt Optimize (TAO) Toolkit and the users' dataset of re-identification. High fidelity models can be trained to the new use cases. The Jupyter notebook available as a part of [TAO container](https://ngc.nvidia.com/catalog/containers/nvidia:tao:tao-toolkit-tf) can be used to re-train.\n\nThe model is also intended for easy deployment to the edge using DeepStream SDK or TensorRT. DeepStream provides facility to create efficient video analytic pipelines to capture, decode and pre-process the data before running inference.\n\nThe model is encrypted and can be decrypted with the following key:\n\n- Model load key: `nvidia_tao`\n\nPlease make sure to use this as the key for all TAO commands that require a model load key.\n\n### Instructions to use the model with TAO toolkit\n\nIn order to use the model as pre-trained weights for transfer learning, please use the snippet below as a template for the `model` component of the experiment spec file to train a ReIdentificationNet. For more information on experiment spec file, please refer to the [Train Adapt Optimize (TAO) Toolkit User Guide](https://docs.nvidia.com/tao/tao-toolkit/index.html).\n\n```yaml\nmodel:\n backbone: resnet_50\n last_stride: 1\n pretrain_choice: imagenet\n pretrained_model_path: /path/to/pretrained_resenet50.pth\n input_channels: 3\n input_width: 128\n input_height: 256\n neck: bnneck\n feat_dim: 256\n neck_feat: after\n metric_loss_type: triplet\n with_center_loss: False\n with_flip_feature: False\n label_smooth: True\n```\n\n### Instructions to deploy the model with Triton Inference Server\n\nTo create the entire end-to-end video analytic application, deploy this model with [Triton Inference Server](https://developer.nvidia.com/nvidia-triton-inference-server). NVIDIA Triton Inference Server is an open-source inference serving software that helps standardize model deployment and execution and delivers fast and scalable AI in production. Triton supports direct integration of this model into the server and inference from a client.\n\nTo deploy this model with [Triton Inference Server](https://developer.nvidia.com/nvidia-triton-inference-server) and end-to-end inference from video, please refer to the [TAO Triton apps](https://github.com/NVIDIA-AI-IOT/tao-toolkit-triton-apps). \n\n## Technical blogs \n\n- [Access the latest in Vision AI development workflows with NVIDIA TAO Toolkit 5.0](https://developer.nvidia.com/blog/access-the-latest-in-vision-ai-model-development-workflows-with-nvidia-tao-toolkit-5-0/)\n- [Improve accuracy and robustness of vision ai models with vision transformers and NVIDIA TAO](https://developer.nvidia.com/blog/improve-accuracy-and-robustness-of-vision-ai-apps-with-vision-transformers-and-nvidia-tao/)\n- [Train like a ‘pro’ without being an AI expert using TAO AutoML](https://developer.nvidia.com/blog/training-like-an-ai-pro-using-tao-automl/)\n- [Create Custom AI models using NVIDIA TAO Toolkit with Azure Machine Learning ](https://developer.nvidia.com/blog/creating-custom-ai-models-using-nvidia-tao-toolkit-with-azure-machine-learning/)\n- [Developing and Deploying AI-powered Robots with NVIDIA Isaac Sim and NVIDIA TAO](https://developer.nvidia.com/blog/developing-and-deploying-ai-powered-robots-with-nvidia-isaac-sim-and-nvidia-tao/)\n- Learn endless ways to adapt and supercharge your AI workflows with TAO - [Whitepaper](https://developer.nvidia.com/tao-toolkit-usecases-whitepaper/1-introduction)\n- [Customize Action Recognition with TAO and deploy with DeepStream](https://developer.nvidia.com/blog/developing-and-deploying-your-custom-action-recognition-application-without-any-ai-expertise-using-tao-and-deepstream/)\n- Read the 2 part blog on training and optimizing 2D body pose estimation model with TAO - [Part 1](https://developer.nvidia.com/blog/training-optimizing-2d-pose-estimation-model-with-tao-toolkit-part-1) | [Part 2](https://developer.nvidia.com/blog/training-optimizing-2d-pose-estimation-model-with-tao-toolkit-part-2)\n- Learn how to train [real-time License plate detection and recognition app](https://developer.nvidia.com/blog/creating-a-real-time-license-plate-detection-and-recognition-app) with TAO and DeepStream.\n- Model accuracy is extremely important, learn how you can achieve [state of the art accuracy for classification and object detection models](https://developer.nvidia.com/blog/preparing-state-of-the-art-models-for-classification-and-object-detection-with-tao-toolkit/) using TAO\n\n## Suggested reading \n\n- More information on about TAO Toolkit and pre-trained models can be found at the [NVIDIA Developer Zone](https://developer.nvidia.com/tao-toolkit)\n- [TAO documentation](https://docs.nvidia.com/tao/tao-toolkit/index.html)\n- Read the [TAO getting Started](https://docs.nvidia.com/tao/tao-toolkit/text/tao_toolkit_quick_start_guide.html) guide and [release notes](https://docs.nvidia.com/tao/tao-toolkit/text/release_notes.html).\n- If you have any questions or feedback, please refer to the discussions on [TAO Toolkit Developer Forums](https://forums.developer.nvidia.com/c/accelerated-computing/intelligent-video-analytics/tao-toolkit/17)\n- Deploy your models for video analytics application using DeepStream. Learn more about [DeepStream SDK](https://developer.nvidia.com/deepstream-sdk)\n- Deploy your models in [Riva](https://developer.nvidia.com/riva) for ConvAI use case.\n\n## Ethical Considerations:\nNVIDIA 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 internal 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++ Promise and the Explainability, Bias, Safety & Security, and Privacy Subcards.","displayName","ReIdentificationNet",["D",1732745306659],"publisher","latestVersion","versions","collectionCounts","imageUrl","/api/image/nvidia/tao/models/reidentificationnet","rawImageUrl","https://dz112fgwz7ogh.cloudfront.net/logos/Nvidia-Centric-TAO.png","canGuestDownload","latestVersionSizeInBytes",96398132,"licenseTerms","isMultinodeEnabled","isMultiArchitecture","bias","| Field | Response |\n| -- | -- |\n|Participation considerations from adversely impacted groups [(protected classes)](https://www.senate.ca.gov/content/protected-classes) in model design and testing: | Unknown |\n| Measures taken to mitigate against unwanted bias: | No measures taken to mitigate against unwanted bias.|","explainability","| Field | Response |\n| -- | -- |\n| Intended Application(s) & Domain(s): | Embeddings for identifying people |\n| Model Type: | Embedding Generator |\n| Intended Users: | The ReIdentificationNet model is intended for security personnel, retail analysts, and smart city operators who need to enhance safety, customer experience, and operational efficiency. |\n| Output: | Embedding |\n| Describe how the model works: | Generates embeddings for identifying persons in different scenes |\n| Technical Limitations: | Model needs to be transfer learned before deployment |\n| Verified to have met prescribed NVIDIA standards: | Yes |\n| Performance Metrics: | Accuracy |\n| Potential Known Risks: | Model may fail to identify persons in different scenes. |\n| Licensing: | [https://www.nvidia.com/en-us/data-center/products/nvidia-ai-enterprise/eula/](https://www.nvidia.com/en-us/data-center/products/nvidia-ai-enterprise/eula/) |","privacy","| Field | Response |\n| -- | -- |\n| Generatable or reverse engineerable personally-identifiable information (PII)? | None |\n| Protected classes used to create this model? | None |\n| Was consent obtained for any PII used? | Unknown |\n| How often is dataset reviewed? | \tBefore Release |\n| Is a mechanism in place to honor data subject right of access or deletion of personal data? | No |\n| If PII collected for the development of the model, was it collected directly by NVIDIA? | No, all data was collected by zheng-lab.cecs.anu |\n| If PII collected for the development of the model by NVIDIA, do you maintain or have access to disclosures made to data subjects?\t| Not Applicable |\n| If PII collected for the development of this AI model, was it minimized to only what was required? | Not Known (Collected by Third-Party) |\n| Is there provenance for all datasets used in training? | Yes |\n| Does data labeling (annotation, metadata) comply with privacy laws? | Yes |\n| Is data compliant with data subject requests for data correction or removal, if such a request was made? | No, not possible with externally-sourced data. |\n| Applicable NVIDIA Privacy Policy\t| [https://www.nvidia.com/en-us/data-center/products/nvidia-ai-enterprise/eula/](https://www.nvidia.com/en-us/data-center/products/nvidia-ai-enterprise/eula/) |","safetyAndSecurity","| Field | Response |\n| -- | -- |\n| Model Application(s): | Re-Identification network to generate embeddings for identifying persons in different scenes |\n| Describe the life-critical application (if present). | None: Not within Operational Design Domain |\n| Use Case Restrictions: | Abide by https://www.nvidia.com/en-us/data-center/products/nvidia-ai-enterprise/eula/ |\n| Describe access restrictions (if any): | The Principle of least privilege (PoLP) is applied limiting access for dataset generation and model development. Restrictions enforce dataset access during training, and dataset license constraints adhered to. |","featureLabels",[],"displayLabels",[201,202,203,204,205,206,207,208,209,210,211,212,213,214],"policyLabels",[],"systemLabels",[],"products",[],"hasNimMetadata",{"_165":252,"_216":253,"_217":254,"_219":220},{"_165":248,"_216":249,"_217":250,"_219":220},{"_165":246,"_216":246,"_217":247,"_219":220},{"_165":244,"_216":244,"_217":245,"_219":220},{"_165":241,"_216":242,"_217":243,"_219":220},{"_165":237,"_216":238,"_217":239,"_219":220},{"_165":235,"_216":235,"_217":236,"_219":220},{"_165":233,"_216":233,"_217":234,"_219":220},{"_165":231,"_216":231,"_217":232,"_219":220},{"_165":229,"_216":229,"_217":230,"_219":220},{"_165":226,"_216":226,"_217":227,"_219":220},{"_165":224,"_216":224,"_217":225,"_219":220},{"_165":222,"_216":222,"_217":223,"_219":220},{"_165":215,"_216":215,"_217":218,"_219":220},"Transfer Learning Toolkit","value","filter",{"_221":220,"_216":215},"category","label","field","Transfer Learning",{"_221":220,"_216":222},"TLT",{"_221":220,"_216":224},"TAO Toolkit",{"_221":228,"_216":226},"framework","TAO",{"_221":220,"_216":229},"Smart Infrastructure",{"_221":220,"_216":231},"Smart City",{"_221":220,"_216":233},"NSPECT-CQBD-MZW9",{"_221":220,"_216":235},"Metropolis","pltfm_metropolis",{"_221":240,"_216":238},"platform","DeepStream","pltfm_deepstream",{"_221":240,"_216":242},"Deep Learning",{"_221":220,"_216":244},"CV",{"_221":220,"_216":246},"Computer Vision","soln_computer_vision",{"_221":251,"_216":249},"technology","AI","soln_ai",{"_221":251,"_216":253},"appConfig",{"_1433":1434,"_289":1435},"ngcApps",[1386],"csaApiBaseUrl","https://www.nvidia.com/ai-agents/csa-agent/dcsm","datadogRum",{"_1367":1368,"_1369":1370,"_1371":1372,"_1373":1374,"_1375":267,"_76":294,"_1376":1377,"_1378":44,"_1379":87,"_1380":87,"_1381":1382,"_1383":87,"_1384":1385},"amplitude",{"_1364":1365,"_966":-7,"_1366":20},"disableJs","environment","prod","featureFlagsBlob","JTdCJTIydGVzdEZsYWclMjIlM0FmYWxzZSUyQyUyMnNob3dTZWFyY2hMYWJlbFNldEZpbHRlcnMlMjIlM0FmYWxzZSUyQyUyMmNoaW5hTmltRGlzdHJpYnV0b3JzUmVkZXNpZ24lMjIlM0F0cnVlJTJDJTIyZW5hYmxlQ3NhV2lkZ2V0JTIyJTNBZmFsc2UlMkMlMjJlbmFibGVQcm9kdWN0R3JvdXBpbmdCeVN1YnNjcmlwdGlvbiUyMiUzQWZhbHNlJTJDJTIyY29udGFpbmVyU2Nhbm5pbmdSZWRlc2lnbk0xJTIyJTNBdHJ1ZSU3RA==","featureFlagsGuarded","isDevLikeEnv","isPlaywright","isMobileDevice","categorizedOrgs",{"_1358":1359,"_1360":1361,"_1362":1363},"currentOrgContext","currentContextRoles",[],"enterpriseOrgs",[],"locale","en","ngcApiOrigin","https://api.ngc.nvidia.com","ngcHelmOrigin","https://helm.ngc.nvidia.com","origin","https://catalog.ngc.nvidia.com","user","usesMocks","theme","year",2026,"1.7.3","defaultSearchSuggestions",{"_1241":110,"_1242":1243,"_1244":1245,"_1246":1247},"announcements",[],"consentState",{"_332":1231,"_1232":20,"_1233":20,"_1234":87,"_1235":1236},"consentConfig",{"_314":315,"_316":317,"_318":319,"_320":321,"_322":323,"_324":325,"_326":327,"_328":329,"_330":331,"_332":333},"showContactAdmin",1783895606816,[],[],[308,309,310,311,312,313],{"_33":47,"_35":52,"_37":49,"_39":-5,"_41":-5,"_43":44},{"_33":47,"_35":51,"_37":49,"_39":-5,"_41":-5,"_43":44},{"_33":47,"_35":50,"_37":49,"_39":-5,"_41":-5,"_43":44},{"_33":47,"_35":48,"_37":49,"_39":-5,"_41":-5,"_43":44},{"_33":45,"_35":46,"_37":38,"_39":40,"_41":42,"_43":44},{"_33":34,"_35":36,"_37":38,"_39":40,"_41":42,"_43":44},"mainInfoText","We and our third-party partners (including social media, advertising, and analytics partners) use cookies and other tracking technologies to collect, store, monitor, and process certain information about you when you visit our website. 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We and our advertising partners will use this information to make our websites and the advertising displayed on it, more relevant to your interests.",[482,483,484,485,486,487,488,489,490,491,492,493,494,495,496,497,498,499,500,501,502,503,504,505,506,507,508,509,510,511,512,513,514,515,516],[355,356,357,358,359,360,361,362,363,364,365,366,367,368,369,370,371],{"_372":478,"_165":478,"_109":110,"_346":479},{"_372":473,"_165":473,"_109":110,"_346":474},{"_372":469,"_165":469,"_109":110,"_346":470},{"_372":464,"_165":464,"_109":110,"_346":465},{"_372":459,"_165":459,"_109":110,"_346":460},{"_372":447,"_165":447,"_109":110,"_346":448},{"_372":435,"_165":435,"_109":110,"_346":436},{"_372":430,"_165":430,"_109":110,"_346":431},{"_372":419,"_165":419,"_109":110,"_346":420},{"_372":414,"_165":414,"_109":110,"_346":415},{"_372":409,"_165":409,"_109":110,"_346":410},{"_372":404,"_165":404,"_109":110,"_346":405},{"_372":399,"_165":399,"_109":110,"_346":400},{"_372":394,"_165":394,"_109":110,"_346":395},{"_372":389,"_165":389,"_109":110,"_346":390},{"_372":382,"_165":382,"_109":110,"_346":383},{"_372":373,"_165":373,"_109":110,"_346":374},"hostName","amazon-adsystem.com",[375,376],{"_143":381,"_378":373,"_379":20,"_109":380},{"_143":377,"_378":373,"_379":20,"_109":380},"ad-privacy","host","isSession","This domain is owned by online retailer Amazon and is used as part of its affiliate marketing programme.","ad-id","doubleclick.net",[384,385],{"_143":388,"_378":382,"_379":20,"_109":387},{"_143":386,"_378":382,"_379":20,"_109":387},"IDE","This domain is owned by Doubleclick (Google). 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These cookies enable us to provide enhanced website functionality and personalization as well as make the marketing messages we send to you more relevant to your interests. 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As part of our bot management service, this cookie helps manage incoming traffic that matches criteria associated with bots.\nThis is a CloudFoundry cookie","OptanonConsent","nvid.nvidia.com","This cookie is set by the cookie compliance solution from OneTrust. It stores information about the categories of cookies the site uses and whether visitors have given or withdrawn consent for the use of each category. This enables site owners to prevent cookies in each category from being set in the users browser, when consent is not given. The cookie has a normal lifespan of one year, so that returning visitors to the site will have their preferences remembered. It contains no information that can identify the site visitor.","events.nvidia.com","This cookie is associated with the Amazon Web Services Elastic Load Balancing functionality for routing client request on the server.Used to attribute commission to affiliates when you arrive at the website from an affiliate referral link. It is set when you click on one of our links and used to let the advertiser and us know the website from which you came.","sessionid","This is a very generic cookie name that may have different purposes on different sites, but generally it will be some kind of anonymous session identifier.","_csrf","This cookie is used to prevent Cross-Site Request Forgery (CSRF) attacks, ensuring that each request made to the server is from the user's browser and is intentional.","enterprise-support.nvidia.com","Used to apply end-user cookie consent preferences set by our client-side utility.Custom- Short Duration. Unique ID of an Enquiry- used to validate access to case, and load exisiting data.\n","renderCtx","academicgrants.nvidia.com","Used to store site parameters in the session for reuse across requests by a single client for functionality and performance reasons.","ph_phc_yQgAEdJJkVpI24NdSRID2mor1x1leRpDoC9yZ9mfXal_posthog","The PostHog ph_phc_xxx cookie is a session cookie used for identifying and tracking visitors on websites, helping us understand user behavior and website performance.","This cookie is managed by AWS and is used for load balancing.Used to attribute commission to affiliates when you arrive at the website from an affiliate referral link. It is set when you click on one of our links and used to let the advertiser and us know the website from which you came.","This cookie is associated with Akamai and is used to differentiate between traffic from humans and bots.","OptanonAlertBoxClosed","docs.ngc.nvidia.com","This cookie is set by websites using certain versions of the cookie law compliance solution from OneTrust. It is set after visitors have seen a cookie information notice and in some cases only when they actively close the notice down. It enables the website not to show the message more than once to a user. The cookie has a normal lifespan of one year and contains no personal information.","nv_co","__uxq412__ses.88c1","investor.nvidia.com","learn.learn.nvidia.com","This cookie is associated with the Amazon Web Services Elastic Load Balancing functionality for routing client request on the server.","pctrk","Used to count page views by unauthenticated users against license usage.","bm_s","bpazaws52gukakzc__ctrl0_ctl36_uccaptcha","bm_sv","store.nvidia.com","The __cf_bm cookie is a cookie necessary to support Cloudflare Bot Management, currently in private beta. As part of our bot management service, this cookie helps manage incoming traffic that matches criteria associated with bots.\n","This cookie name is used by DataDog to determine if cookies are supported on the website.dd_cookie_test","AMP_TLDTEST_xxxxxxxx","SESSlsd","This cookie is likely to be a session identifier used to maintain user session state across page requests.","mboxEdgeCluster","This cookie name is associated with Adobe Target which is used to communicate the correct edge cluster to at.js so that Target profiles can stay in sync as users navigate across a site.","_biz_pendingA","_rdt_em","This cookie name is associated with Reddit which is used to manage session state and user interactions.","megaNavCollapsed","_abck","The _abck cookie is associated with Akamai's Bot Manager, which is used to prevent fraud and abuse by safeguarding online interactions and detecting irregularities that could suggest malicious activity, such as bot-driven attacks or hacking attempts.","AMP_TEST","This cookie name AMP_TEST is used for internal analytics by the website operator, necessary for the functionality of the website's chat-box function, and to check whether the cookie storage is working properly.","idccsrf","This cookie name is associated with Salesforce which is used to track CrossSiteRequestForgery validation for certain single sign-on (SSO) flows.","_biz_flagsA","This cookie is used to remember users' settings as well as for authentication and analytics.","ApplicationGatewayAffinity","partners.nvidia.com","This cookie is used to maintain a user session by the server in a load balanced environment, to ensure the user has a consistent experience.","AMP_TEST_xxxxxxxx","bm_lso","This cookie name is associated with Akamai which is used to load the site as quickly as possible and to recognize bots.","SSESS###########","This cookie is likely to be a session cookie used to maintain an anonymized user session by the server in a secure environment, often seen in sites built with the Drupal content management system.","nvdeveloper.nvidia.com","__uxq412__id.88c1","QueueITAccepted-SDFrts345E-V3_{eventId}","TEST_AMCV_COOKIE_WRITE","This cookie is used to test whether cookies are enabled in the browser. It is a temporary cookie used to determine if the browser accepts cookies.","session","This cookie is typically used to maintain an anonymized user session by the server.","XSRF-TOKEN","This cookie is written to help with site security in preventing Cross-Site Request Forgery attacks.This cookie helps with site security in preventing Cross-Site Request Forgery attacks.","AWS ELB application load balancer","This cookie is associated with Akamai. It is used to analyse traffic to determine if it is automated traffic generated by bots or a human user.","bpazaws52gukakzc__ctrl0_ctl78_list_ctl09_systemcaptcha","PHPSESSID","PHP session cookie associated with embedded content from this domain.\n","base.manager.learn.nvidia.com","login_session","bm_ss","This cookie is used to help protect websites from automated bot traffic.","AWS ELB application load balancerUsed to attribute commission to affiliates when you arrive at the website from an affiliate referral link. 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