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ResNet-3D

Video Classification
PyTorch
LiteRT
backbone
android
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ResNet-3D: Optimized for Mobile Deployment

Sports and human action recognition in videos

ResNet 3D is a network with 3D convolutions used for video understanding.

This model is an implementation of ResNet-3D found here.

This repository provides scripts to run ResNet-3D on Qualcomm® devices. More details on model performance across various devices, can be found here.

Model Details

  • Model Type: Model_use_case.video_classification
  • Model Stats:
    • Model checkpoint: Kinetics-400
    • Input resolution: 112x112
    • Number of parameters: 33.4M
    • Model size (float): 127 MB
    • Model size (w8a8): 32.1 MB
Model Precision Device Chipset Target Runtime Inference Time (ms) Peak Memory Range (MB) Primary Compute Unit Target Model
ResNet-3D float QCS8275 (Proxy) Qualcomm® QCS8275 (Proxy) TFLITE 580.801 ms 0 - 53 MB NPU ResNet-3D.tflite
ResNet-3D float QCS8275 (Proxy) Qualcomm® QCS8275 (Proxy) QNN_DLC 91.122 ms 0 - 77 MB NPU ResNet-3D.dlc
ResNet-3D float QCS8450 (Proxy) Qualcomm® QCS8450 (Proxy) TFLITE 313.976 ms 0 - 56 MB NPU ResNet-3D.tflite
ResNet-3D float QCS8450 (Proxy) Qualcomm® QCS8450 (Proxy) QNN_DLC 26.683 ms 2 - 66 MB NPU ResNet-3D.dlc
ResNet-3D float QCS8550 (Proxy) Qualcomm® QCS8550 (Proxy) TFLITE 294.025 ms 0 - 21 MB NPU ResNet-3D.tflite
ResNet-3D float QCS8550 (Proxy) Qualcomm® QCS8550 (Proxy) QNN_DLC 13.104 ms 2 - 20 MB NPU ResNet-3D.dlc
ResNet-3D float QCS8550 (Proxy) Qualcomm® QCS8550 (Proxy) ONNX 13.516 ms 2 - 15 MB NPU ResNet-3D.onnx.zip
ResNet-3D float QCS9075 (Proxy) Qualcomm® QCS9075 (Proxy) TFLITE 269.963 ms 0 - 53 MB NPU ResNet-3D.tflite
ResNet-3D float QCS9075 (Proxy) Qualcomm® QCS9075 (Proxy) QNN_DLC 24.201 ms 2 - 80 MB NPU ResNet-3D.dlc
ResNet-3D float SA7255P ADP Qualcomm® SA7255P TFLITE 580.801 ms 0 - 53 MB NPU ResNet-3D.tflite
ResNet-3D float SA7255P ADP Qualcomm® SA7255P QNN_DLC 91.122 ms 0 - 77 MB NPU ResNet-3D.dlc
ResNet-3D float SA8255 (Proxy) Qualcomm® SA8255P (Proxy) TFLITE 295.781 ms 0 - 21 MB NPU ResNet-3D.tflite
ResNet-3D float SA8255 (Proxy) Qualcomm® SA8255P (Proxy) QNN_DLC 13.059 ms 2 - 22 MB NPU ResNet-3D.dlc
ResNet-3D float SA8295P ADP Qualcomm® SA8295P TFLITE 329.276 ms 0 - 44 MB NPU ResNet-3D.tflite
ResNet-3D float SA8295P ADP Qualcomm® SA8295P QNN_DLC 25.867 ms 0 - 66 MB NPU ResNet-3D.dlc
ResNet-3D float SA8650 (Proxy) Qualcomm® SA8650P (Proxy) TFLITE 294.276 ms 0 - 21 MB NPU ResNet-3D.tflite
ResNet-3D float SA8650 (Proxy) Qualcomm® SA8650P (Proxy) QNN_DLC 13.074 ms 2 - 23 MB NPU ResNet-3D.dlc
ResNet-3D float SA8775P ADP Qualcomm® SA8775P TFLITE 269.963 ms 0 - 53 MB NPU ResNet-3D.tflite
ResNet-3D float SA8775P ADP Qualcomm® SA8775P QNN_DLC 24.201 ms 2 - 80 MB NPU ResNet-3D.dlc
ResNet-3D float Samsung Galaxy S24 Snapdragon® 8 Gen 3 Mobile TFLITE 199.423 ms 0 - 67 MB NPU ResNet-3D.tflite
ResNet-3D float Samsung Galaxy S24 Snapdragon® 8 Gen 3 Mobile QNN_DLC 9.374 ms 2 - 95 MB NPU ResNet-3D.dlc
ResNet-3D float Samsung Galaxy S24 Snapdragon® 8 Gen 3 Mobile ONNX 9.753 ms 2 - 64 MB NPU ResNet-3D.onnx.zip
ResNet-3D float Samsung Galaxy S25 Snapdragon® 8 Elite For Galaxy Mobile TFLITE 190.377 ms 0 - 55 MB NPU ResNet-3D.tflite
ResNet-3D float Samsung Galaxy S25 Snapdragon® 8 Elite For Galaxy Mobile QNN_DLC 7.57 ms 0 - 83 MB NPU ResNet-3D.dlc
ResNet-3D float Samsung Galaxy S25 Snapdragon® 8 Elite For Galaxy Mobile ONNX 8.035 ms 0 - 47 MB NPU ResNet-3D.onnx.zip
ResNet-3D float Snapdragon 8 Elite Gen 5 QRD Snapdragon® 8 Elite Gen5 Mobile TFLITE 177.948 ms 0 - 53 MB NPU ResNet-3D.tflite
ResNet-3D float Snapdragon 8 Elite Gen 5 QRD Snapdragon® 8 Elite Gen5 Mobile QNN_DLC 5.826 ms 2 - 75 MB NPU ResNet-3D.dlc
ResNet-3D float Snapdragon 8 Elite Gen 5 QRD Snapdragon® 8 Elite Gen5 Mobile ONNX 6.067 ms 2 - 55 MB NPU ResNet-3D.onnx.zip
ResNet-3D float Snapdragon X Elite CRD Snapdragon® X Elite QNN_DLC 13.589 ms 1031 - 1031 MB NPU ResNet-3D.dlc
ResNet-3D float Snapdragon X Elite CRD Snapdragon® X Elite ONNX 13.525 ms 64 - 64 MB NPU ResNet-3D.onnx.zip
ResNet-3D w8a8 QCS8275 (Proxy) Qualcomm® QCS8275 (Proxy) QNN_DLC 13.186 ms 1 - 33 MB NPU ResNet-3D.dlc
ResNet-3D w8a8 QCS8450 (Proxy) Qualcomm® QCS8450 (Proxy) QNN_DLC 5.649 ms 1 - 79 MB NPU ResNet-3D.dlc
ResNet-3D w8a8 QCS8550 (Proxy) Qualcomm® QCS8550 (Proxy) QNN_DLC 3.866 ms 0 - 12 MB NPU ResNet-3D.dlc
ResNet-3D w8a8 QCS8550 (Proxy) Qualcomm® QCS8550 (Proxy) ONNX 4.049 ms 0 - 92 MB NPU ResNet-3D.onnx.zip
ResNet-3D w8a8 QCS9075 (Proxy) Qualcomm® QCS9075 (Proxy) QNN_DLC 17.574 ms 1 - 32 MB NPU ResNet-3D.dlc
ResNet-3D w8a8 RB3 Gen 2 (Proxy) Qualcomm® QCS6490 (Proxy) QNN_DLC 24.093 ms 1 - 62 MB NPU ResNet-3D.dlc
ResNet-3D w8a8 RB3 Gen 2 (Proxy) Qualcomm® QCS6490 (Proxy) ONNX 276.665 ms 46 - 59 MB CPU ResNet-3D.onnx.zip
ResNet-3D w8a8 RB5 (Proxy) Qualcomm® QCS8250 (Proxy) ONNX 257.074 ms 42 - 94 MB CPU ResNet-3D.onnx.zip
ResNet-3D w8a8 SA7255P ADP Qualcomm® SA7255P QNN_DLC 13.186 ms 1 - 33 MB NPU ResNet-3D.dlc
ResNet-3D w8a8 SA8255 (Proxy) Qualcomm® SA8255P (Proxy) QNN_DLC 3.835 ms 1 - 11 MB NPU ResNet-3D.dlc
ResNet-3D w8a8 SA8295P ADP Qualcomm® SA8295P QNN_DLC 7.494 ms 1 - 36 MB NPU ResNet-3D.dlc
ResNet-3D w8a8 SA8650 (Proxy) Qualcomm® SA8650P (Proxy) QNN_DLC 3.847 ms 0 - 11 MB NPU ResNet-3D.dlc
ResNet-3D w8a8 SA8775P ADP Qualcomm® SA8775P QNN_DLC 17.574 ms 1 - 32 MB NPU ResNet-3D.dlc
ResNet-3D w8a8 Samsung Galaxy S24 Snapdragon® 8 Gen 3 Mobile QNN_DLC 2.85 ms 1 - 75 MB NPU ResNet-3D.dlc
ResNet-3D w8a8 Samsung Galaxy S24 Snapdragon® 8 Gen 3 Mobile ONNX 2.899 ms 0 - 82 MB NPU ResNet-3D.onnx.zip
ResNet-3D w8a8 Samsung Galaxy S25 Snapdragon® 8 Elite For Galaxy Mobile QNN_DLC 2.203 ms 1 - 38 MB NPU ResNet-3D.dlc
ResNet-3D w8a8 Samsung Galaxy S25 Snapdragon® 8 Elite For Galaxy Mobile ONNX 2.452 ms 0 - 41 MB NPU ResNet-3D.onnx.zip
ResNet-3D w8a8 Snapdragon 8 Elite Gen 5 QRD Snapdragon® 8 Elite Gen5 Mobile QNN_DLC 1.725 ms 1 - 39 MB NPU ResNet-3D.dlc
ResNet-3D w8a8 Snapdragon 8 Elite Gen 5 QRD Snapdragon® 8 Elite Gen5 Mobile ONNX 1.871 ms 1 - 35 MB NPU ResNet-3D.onnx.zip
ResNet-3D w8a8 Snapdragon X Elite CRD Snapdragon® X Elite QNN_DLC 4.119 ms 359 - 359 MB NPU ResNet-3D.dlc
ResNet-3D w8a8 Snapdragon X Elite CRD Snapdragon® X Elite ONNX 4.046 ms 33 - 33 MB NPU ResNet-3D.onnx.zip

Installation

Install the package via pip:

# NOTE: 3.10 <= PYTHON_VERSION < 3.14 is supported.
pip install "qai-hub-models[resnet-3d]"

Configure Qualcomm® AI Hub to run this model on a cloud-hosted device

Sign-in to Qualcomm® AI Hub with your Qualcomm® ID. Once signed in navigate to Account -> Settings -> API Token.

With this API token, you can configure your client to run models on the cloud hosted devices.

qai-hub configure --api_token API_TOKEN

Navigate to docs for more information.

Demo off target

The package contains a simple end-to-end demo that downloads pre-trained weights and runs this model on a sample input.

python -m qai_hub_models.models.resnet_3d.demo

The above demo runs a reference implementation of pre-processing, model inference, and post processing.

NOTE: If you want running in a Jupyter Notebook or Google Colab like environment, please add the following to your cell (instead of the above).

%run -m qai_hub_models.models.resnet_3d.demo

Run model on a cloud-hosted device

In addition to the demo, you can also run the model on a cloud-hosted Qualcomm® device. This script does the following:

  • Performance check on-device on a cloud-hosted device
  • Downloads compiled assets that can be deployed on-device for Android.
  • Accuracy check between PyTorch and on-device outputs.
python -m qai_hub_models.models.resnet_3d.export

How does this work?

This export script leverages Qualcomm® AI Hub to optimize, validate, and deploy this model on-device. Lets go through each step below in detail:

Step 1: Compile model for on-device deployment

To compile a PyTorch model for on-device deployment, we first trace the model in memory using the jit.trace and then call the submit_compile_job API.

import torch

import qai_hub as hub
from qai_hub_models.models.resnet_3d import Model

# Load the model
torch_model = Model.from_pretrained()

# Device
device = hub.Device("Samsung Galaxy S25")

# Trace model
input_shape = torch_model.get_input_spec()
sample_inputs = torch_model.sample_inputs()

pt_model = torch.jit.trace(torch_model, [torch.tensor(data[0]) for _, data in sample_inputs.items()])

# Compile model on a specific device
compile_job = hub.submit_compile_job(
    model=pt_model,
    device=device,
    input_specs=torch_model.get_input_spec(),
)

# Get target model to run on-device
target_model = compile_job.get_target_model()

Step 2: Performance profiling on cloud-hosted device

After compiling models from step 1. Models can be profiled model on-device using the target_model. Note that this scripts runs the model on a device automatically provisioned in the cloud. Once the job is submitted, you can navigate to a provided job URL to view a variety of on-device performance metrics.

profile_job = hub.submit_profile_job(
    model=target_model,
    device=device,
)

Step 3: Verify on-device accuracy

To verify the accuracy of the model on-device, you can run on-device inference on sample input data on the same cloud hosted device.

input_data = torch_model.sample_inputs()
inference_job = hub.submit_inference_job(
    model=target_model,
    device=device,
    inputs=input_data,
)
    on_device_output = inference_job.download_output_data()

With the output of the model, you can compute like PSNR, relative errors or spot check the output with expected output.

Note: This on-device profiling and inference requires access to Qualcomm® AI Hub. Sign up for access.

Deploying compiled model to Android

The models can be deployed using multiple runtimes:

  • TensorFlow Lite (.tflite export): This tutorial provides a guide to deploy the .tflite model in an Android application.

  • QNN (.so export ): This sample app provides instructions on how to use the .so shared library in an Android application.

View on Qualcomm® AI Hub

Get more details on ResNet-3D's performance across various devices here. Explore all available models on Qualcomm® AI Hub

License

  • The license for the original implementation of ResNet-3D can be found here.
  • The license for the compiled assets for on-device deployment can be found here

References

Community

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