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Yolo-v7

Object Detection
PyTorch
real_time
android
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Yolo-v7: Optimized for Mobile Deployment

Real-time object detection optimized for mobile and edge

YoloV7 is a machine learning model that predicts bounding boxes and classes of objects in an image.

This model is an implementation of Yolo-v7 found here.

This repository provides scripts to run Yolo-v7 on Qualcomm® devices. More details on model performance across various devices, can be found here.

WARNING: The model assets are not readily available for download due to licensing restrictions.

Model Details

  • Model Type: Model_use_case.object_detection
  • Model Stats:
    • Model checkpoint: YoloV7 Tiny
    • Input resolution: 640x640
    • Number of parameters: 6.24M
    • Model size (float): 23.8 MB
    • Model size (w8a8): 6.23 MB
    • Model size (w8a16): 6.66 MB
Model Precision Device Chipset Target Runtime Inference Time (ms) Peak Memory Range (MB) Primary Compute Unit Target Model
Yolo-v7 float QCS8275 (Proxy) Qualcomm® QCS8275 (Proxy) TFLITE 23.515 ms 1 - 31 MB NPU --
Yolo-v7 float QCS8275 (Proxy) Qualcomm® QCS8275 (Proxy) QNN_DLC 18.856 ms 0 - 155 MB NPU --
Yolo-v7 float QCS8450 (Proxy) Qualcomm® QCS8450 (Proxy) TFLITE 11.185 ms 1 - 45 MB NPU --
Yolo-v7 float QCS8450 (Proxy) Qualcomm® QCS8450 (Proxy) QNN_DLC 10.685 ms 5 - 44 MB NPU --
Yolo-v7 float QCS8550 (Proxy) Qualcomm® QCS8550 (Proxy) TFLITE 8.878 ms 1 - 10 MB NPU --
Yolo-v7 float QCS8550 (Proxy) Qualcomm® QCS8550 (Proxy) QNN_DLC 6.433 ms 0 - 168 MB NPU --
Yolo-v7 float QCS8550 (Proxy) Qualcomm® QCS8550 (Proxy) ONNX 8.277 ms 0 - 180 MB NPU --
Yolo-v7 float QCS9075 (Proxy) Qualcomm® QCS9075 (Proxy) TFLITE 10.79 ms 1 - 31 MB NPU --
Yolo-v7 float QCS9075 (Proxy) Qualcomm® QCS9075 (Proxy) QNN_DLC 8.183 ms 1 - 146 MB NPU --
Yolo-v7 float SA7255P ADP Qualcomm® SA7255P TFLITE 23.515 ms 1 - 31 MB NPU --
Yolo-v7 float SA7255P ADP Qualcomm® SA7255P QNN_DLC 18.856 ms 0 - 155 MB NPU --
Yolo-v7 float SA8255 (Proxy) Qualcomm® SA8255P (Proxy) TFLITE 8.932 ms 0 - 18 MB NPU --
Yolo-v7 float SA8255 (Proxy) Qualcomm® SA8255P (Proxy) QNN_DLC 6.45 ms 0 - 181 MB NPU --
Yolo-v7 float SA8295P ADP Qualcomm® SA8295P TFLITE 12.91 ms 1 - 39 MB NPU --
Yolo-v7 float SA8295P ADP Qualcomm® SA8295P QNN_DLC 9.203 ms 1 - 44 MB NPU --
Yolo-v7 float SA8650 (Proxy) Qualcomm® SA8650P (Proxy) TFLITE 8.957 ms 1 - 10 MB NPU --
Yolo-v7 float SA8650 (Proxy) Qualcomm® SA8650P (Proxy) QNN_DLC 6.442 ms 0 - 124 MB NPU --
Yolo-v7 float SA8775P ADP Qualcomm® SA8775P TFLITE 10.79 ms 1 - 31 MB NPU --
Yolo-v7 float SA8775P ADP Qualcomm® SA8775P QNN_DLC 8.183 ms 1 - 146 MB NPU --
Yolo-v7 float Samsung Galaxy S24 Snapdragon® 8 Gen 3 Mobile TFLITE 6.445 ms 1 - 43 MB NPU --
Yolo-v7 float Samsung Galaxy S24 Snapdragon® 8 Gen 3 Mobile QNN_DLC 4.665 ms 5 - 359 MB NPU --
Yolo-v7 float Samsung Galaxy S24 Snapdragon® 8 Gen 3 Mobile ONNX 5.615 ms 5 - 349 MB NPU --
Yolo-v7 float Samsung Galaxy S25 Snapdragon® 8 Elite For Galaxy Mobile TFLITE 5.528 ms 1 - 36 MB NPU --
Yolo-v7 float Samsung Galaxy S25 Snapdragon® 8 Elite For Galaxy Mobile QNN_DLC 3.627 ms 0 - 127 MB NPU --
Yolo-v7 float Samsung Galaxy S25 Snapdragon® 8 Elite For Galaxy Mobile ONNX 5.623 ms 4 - 137 MB NPU --
Yolo-v7 float Snapdragon 8 Elite Gen 5 QRD Snapdragon® 8 Elite Gen5 Mobile TFLITE 4.96 ms 0 - 35 MB NPU --
Yolo-v7 float Snapdragon 8 Elite Gen 5 QRD Snapdragon® 8 Elite Gen5 Mobile QNN_DLC 3.012 ms 5 - 157 MB NPU --
Yolo-v7 float Snapdragon 8 Elite Gen 5 QRD Snapdragon® 8 Elite Gen5 Mobile ONNX 3.785 ms 4 - 140 MB NPU --
Yolo-v7 float Snapdragon X Elite CRD Snapdragon® X Elite QNN_DLC 6.88 ms 228 - 228 MB NPU --
Yolo-v7 float Snapdragon X Elite CRD Snapdragon® X Elite ONNX 8.444 ms 9 - 9 MB NPU --
Yolo-v7 w8a16 QCS8275 (Proxy) Qualcomm® QCS8275 (Proxy) QNN_DLC 8.517 ms 2 - 41 MB NPU --
Yolo-v7 w8a16 QCS8450 (Proxy) Qualcomm® QCS8450 (Proxy) QNN_DLC 5.368 ms 2 - 57 MB NPU --
Yolo-v7 w8a16 QCS8550 (Proxy) Qualcomm® QCS8550 (Proxy) QNN_DLC 3.567 ms 2 - 15 MB NPU --
Yolo-v7 w8a16 QCS8550 (Proxy) Qualcomm® QCS8550 (Proxy) ONNX 5.127 ms 0 - 57 MB NPU --
Yolo-v7 w8a16 QCS9075 (Proxy) Qualcomm® QCS9075 (Proxy) QNN_DLC 4.124 ms 2 - 43 MB NPU --
Yolo-v7 w8a16 RB3 Gen 2 (Proxy) Qualcomm® QCS6490 (Proxy) QNN_DLC 15.764 ms 2 - 44 MB NPU --
Yolo-v7 w8a16 RB3 Gen 2 (Proxy) Qualcomm® QCS6490 (Proxy) ONNX 207.194 ms 79 - 93 MB CPU --
Yolo-v7 w8a16 RB5 (Proxy) Qualcomm® QCS8250 (Proxy) ONNX 179.016 ms 80 - 85 MB CPU --
Yolo-v7 w8a16 SA7255P ADP Qualcomm® SA7255P QNN_DLC 8.517 ms 2 - 41 MB NPU --
Yolo-v7 w8a16 SA8255 (Proxy) Qualcomm® SA8255P (Proxy) QNN_DLC 3.574 ms 1 - 14 MB NPU --
Yolo-v7 w8a16 SA8295P ADP Qualcomm® SA8295P QNN_DLC 5.04 ms 2 - 52 MB NPU --
Yolo-v7 w8a16 SA8650 (Proxy) Qualcomm® SA8650P (Proxy) QNN_DLC 3.573 ms 4 - 17 MB NPU --
Yolo-v7 w8a16 SA8775P ADP Qualcomm® SA8775P QNN_DLC 4.124 ms 2 - 43 MB NPU --
Yolo-v7 w8a16 Samsung Galaxy S24 Snapdragon® 8 Gen 3 Mobile QNN_DLC 2.576 ms 2 - 58 MB NPU --
Yolo-v7 w8a16 Samsung Galaxy S24 Snapdragon® 8 Gen 3 Mobile ONNX 3.543 ms 0 - 298 MB NPU --
Yolo-v7 w8a16 Samsung Galaxy S25 Snapdragon® 8 Elite For Galaxy Mobile QNN_DLC 1.905 ms 2 - 48 MB NPU --
Yolo-v7 w8a16 Samsung Galaxy S25 Snapdragon® 8 Elite For Galaxy Mobile ONNX 4.048 ms 0 - 145 MB NPU --
Yolo-v7 w8a16 Snapdragon 7 Gen 4 QRD Snapdragon® 7 Gen 4 Mobile QNN_DLC 5.137 ms 2 - 45 MB NPU --
Yolo-v7 w8a16 Snapdragon 7 Gen 4 QRD Snapdragon® 7 Gen 4 Mobile ONNX 200.7 ms 82 - 98 MB CPU --
Yolo-v7 w8a16 Snapdragon 8 Elite Gen 5 QRD Snapdragon® 8 Elite Gen5 Mobile QNN_DLC 1.422 ms 2 - 54 MB NPU --
Yolo-v7 w8a16 Snapdragon 8 Elite Gen 5 QRD Snapdragon® 8 Elite Gen5 Mobile ONNX 2.129 ms 1 - 114 MB NPU --
Yolo-v7 w8a16 Snapdragon X Elite CRD Snapdragon® X Elite QNN_DLC 3.96 ms 17 - 17 MB NPU --
Yolo-v7 w8a16 Snapdragon X Elite CRD Snapdragon® X Elite ONNX 5.355 ms 5 - 5 MB NPU --
Yolo-v7 w8a8 QCS8275 (Proxy) Qualcomm® QCS8275 (Proxy) TFLITE 4.869 ms 0 - 28 MB NPU --
Yolo-v7 w8a8 QCS8275 (Proxy) Qualcomm® QCS8275 (Proxy) QNN_DLC 4.247 ms 1 - 32 MB NPU --
Yolo-v7 w8a8 QCS8450 (Proxy) Qualcomm® QCS8450 (Proxy) TFLITE 2.743 ms 0 - 44 MB NPU --
Yolo-v7 w8a8 QCS8450 (Proxy) Qualcomm® QCS8450 (Proxy) QNN_DLC 2.679 ms 1 - 47 MB NPU --
Yolo-v7 w8a8 QCS8550 (Proxy) Qualcomm® QCS8550 (Proxy) TFLITE 2.199 ms 0 - 36 MB NPU --
Yolo-v7 w8a8 QCS8550 (Proxy) Qualcomm® QCS8550 (Proxy) QNN_DLC 1.873 ms 1 - 12 MB NPU --
Yolo-v7 w8a8 QCS8550 (Proxy) Qualcomm® QCS8550 (Proxy) ONNX 2.923 ms 0 - 30 MB NPU --
Yolo-v7 w8a8 QCS9075 (Proxy) Qualcomm® QCS9075 (Proxy) TFLITE 2.654 ms 0 - 28 MB NPU --
Yolo-v7 w8a8 QCS9075 (Proxy) Qualcomm® QCS9075 (Proxy) QNN_DLC 2.266 ms 0 - 32 MB NPU --
Yolo-v7 w8a8 RB3 Gen 2 (Proxy) Qualcomm® QCS6490 (Proxy) TFLITE 6.159 ms 0 - 36 MB NPU --
Yolo-v7 w8a8 RB3 Gen 2 (Proxy) Qualcomm® QCS6490 (Proxy) QNN_DLC 9.689 ms 0 - 38 MB NPU --
Yolo-v7 w8a8 RB3 Gen 2 (Proxy) Qualcomm® QCS6490 (Proxy) ONNX 55.137 ms 39 - 55 MB CPU --
Yolo-v7 w8a8 RB5 (Proxy) Qualcomm® QCS8250 (Proxy) TFLITE 79.948 ms 0 - 44 MB GPU --
Yolo-v7 w8a8 RB5 (Proxy) Qualcomm® QCS8250 (Proxy) ONNX 47.861 ms 37 - 47 MB CPU --
Yolo-v7 w8a8 SA7255P ADP Qualcomm® SA7255P TFLITE 4.869 ms 0 - 28 MB NPU --
Yolo-v7 w8a8 SA7255P ADP Qualcomm® SA7255P QNN_DLC 4.247 ms 1 - 32 MB NPU --
Yolo-v7 w8a8 SA8255 (Proxy) Qualcomm® SA8255P (Proxy) TFLITE 2.202 ms 0 - 34 MB NPU --
Yolo-v7 w8a8 SA8255 (Proxy) Qualcomm® SA8255P (Proxy) QNN_DLC 1.869 ms 1 - 11 MB NPU --
Yolo-v7 w8a8 SA8295P ADP Qualcomm® SA8295P TFLITE 3.514 ms 0 - 34 MB NPU --
Yolo-v7 w8a8 SA8295P ADP Qualcomm® SA8295P QNN_DLC 3.169 ms 1 - 39 MB NPU --
Yolo-v7 w8a8 SA8650 (Proxy) Qualcomm® SA8650P (Proxy) TFLITE 2.218 ms 0 - 34 MB NPU --
Yolo-v7 w8a8 SA8650 (Proxy) Qualcomm® SA8650P (Proxy) QNN_DLC 1.876 ms 1 - 9 MB NPU --
Yolo-v7 w8a8 SA8775P ADP Qualcomm® SA8775P TFLITE 2.654 ms 0 - 28 MB NPU --
Yolo-v7 w8a8 SA8775P ADP Qualcomm® SA8775P QNN_DLC 2.266 ms 0 - 32 MB NPU --
Yolo-v7 w8a8 Samsung Galaxy S24 Snapdragon® 8 Gen 3 Mobile TFLITE 1.48 ms 0 - 47 MB NPU --
Yolo-v7 w8a8 Samsung Galaxy S24 Snapdragon® 8 Gen 3 Mobile QNN_DLC 1.223 ms 1 - 49 MB NPU --
Yolo-v7 w8a8 Samsung Galaxy S24 Snapdragon® 8 Gen 3 Mobile ONNX 1.869 ms 0 - 256 MB NPU --
Yolo-v7 w8a8 Samsung Galaxy S25 Snapdragon® 8 Elite For Galaxy Mobile TFLITE 1.173 ms 0 - 30 MB NPU --
Yolo-v7 w8a8 Samsung Galaxy S25 Snapdragon® 8 Elite For Galaxy Mobile QNN_DLC 0.944 ms 1 - 40 MB NPU --
Yolo-v7 w8a8 Samsung Galaxy S25 Snapdragon® 8 Elite For Galaxy Mobile ONNX 1.558 ms 0 - 144 MB NPU --
Yolo-v7 w8a8 Snapdragon 7 Gen 4 QRD Snapdragon® 7 Gen 4 Mobile TFLITE 2.376 ms 0 - 37 MB NPU --
Yolo-v7 w8a8 Snapdragon 7 Gen 4 QRD Snapdragon® 7 Gen 4 Mobile QNN_DLC 2.447 ms 1 - 41 MB NPU --
Yolo-v7 w8a8 Snapdragon 7 Gen 4 QRD Snapdragon® 7 Gen 4 Mobile ONNX 47.611 ms 40 - 57 MB CPU --
Yolo-v7 w8a8 Snapdragon 8 Elite Gen 5 QRD Snapdragon® 8 Elite Gen5 Mobile TFLITE 0.942 ms 0 - 30 MB NPU --
Yolo-v7 w8a8 Snapdragon 8 Elite Gen 5 QRD Snapdragon® 8 Elite Gen5 Mobile QNN_DLC 0.77 ms 1 - 38 MB NPU --
Yolo-v7 w8a8 Snapdragon 8 Elite Gen 5 QRD Snapdragon® 8 Elite Gen5 Mobile ONNX 1.3 ms 1 - 135 MB NPU --
Yolo-v7 w8a8 Snapdragon X Elite CRD Snapdragon® X Elite QNN_DLC 2.113 ms 30 - 30 MB NPU --
Yolo-v7 w8a8 Snapdragon X Elite CRD Snapdragon® X Elite ONNX 2.977 ms 6 - 6 MB NPU --

Installation

Install the package via pip:

# NOTE: 3.10 <= PYTHON_VERSION < 3.14 is supported.
pip install "qai-hub-models[yolov7]"

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

Sign-in to Qualcomm® AI Hub Workbench 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.yolov7.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.yolov7.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.yolov7.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.yolov7 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 Workbench. Sign up for access.

Run demo on a cloud-hosted device

You can also run the demo on-device.

python -m qai_hub_models.models.yolov7.demo --eval-mode on-device

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.yolov7.demo -- --eval-mode on-device

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 Yolo-v7's performance across various devices here. Explore all available models on Qualcomm® AI Hub

License

  • The license for the original implementation of Yolo-v7 can be found here.
  • The license for the compiled assets for on-device deployment can be found here

References

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