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Facial-Attribute-Detection

Object Detection
PyTorch
TF Lite
ONNX
real_time
android
Model card Files Community

Facial-Attribute-Detection: Optimized for Mobile Deployment

Comprehensive facial analysis by extracting face features

Facial feature extraction and additional attributes including liveness, eyeclose, mask and glasses detection for face recognition.

This model is an implementation of Facial-Attribute-Detection found here.

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

Model Details

  • Model Type: Object detection
  • Model Stats:
    • Model checkpoint: multitask_FR_state_dict.pt
    • Input resolution: 128x128
    • Input channel number: 1
    • Number of parameters: 11.6M
    • Model size: 47.6MB
Model Device Chipset Target Runtime Inference Time (ms) Peak Memory Range (MB) Precision Primary Compute Unit Target Model
Facial-Attribute-Detection Samsung Galaxy S23 Snapdragon® 8 Gen 2 TFLITE 0.982 ms 0 - 106 MB FP16 NPU Facial-Attribute-Detection.tflite
Facial-Attribute-Detection Samsung Galaxy S23 Snapdragon® 8 Gen 2 QNN 1.024 ms 0 - 76 MB FP16 NPU Facial-Attribute-Detection.so
Facial-Attribute-Detection Samsung Galaxy S23 Snapdragon® 8 Gen 2 ONNX 1.21 ms 0 - 30 MB FP16 NPU Facial-Attribute-Detection.onnx
Facial-Attribute-Detection Samsung Galaxy S24 Snapdragon® 8 Gen 3 TFLITE 0.731 ms 0 - 25 MB FP16 NPU Facial-Attribute-Detection.tflite
Facial-Attribute-Detection Samsung Galaxy S24 Snapdragon® 8 Gen 3 QNN 0.785 ms 0 - 25 MB FP16 NPU Facial-Attribute-Detection.so
Facial-Attribute-Detection Samsung Galaxy S24 Snapdragon® 8 Gen 3 ONNX 0.946 ms 0 - 115 MB FP16 NPU Facial-Attribute-Detection.onnx
Facial-Attribute-Detection Snapdragon 8 Elite QRD Snapdragon® 8 Elite TFLITE 0.677 ms 0 - 24 MB FP16 NPU Facial-Attribute-Detection.tflite
Facial-Attribute-Detection Snapdragon 8 Elite QRD Snapdragon® 8 Elite QNN 0.738 ms 0 - 23 MB FP16 NPU Use Export Script
Facial-Attribute-Detection Snapdragon 8 Elite QRD Snapdragon® 8 Elite ONNX 0.86 ms 0 - 64 MB FP16 NPU Facial-Attribute-Detection.onnx
Facial-Attribute-Detection QCS8550 (Proxy) QCS8550 Proxy TFLITE 0.95 ms 0 - 106 MB FP16 NPU Facial-Attribute-Detection.tflite
Facial-Attribute-Detection QCS8550 (Proxy) QCS8550 Proxy QNN 0.997 ms 0 - 1 MB FP16 NPU Use Export Script
Facial-Attribute-Detection SA7255P ADP SA7255P TFLITE 29.939 ms 0 - 22 MB FP16 NPU Facial-Attribute-Detection.tflite
Facial-Attribute-Detection SA7255P ADP SA7255P QNN 30.127 ms 0 - 10 MB FP16 NPU Use Export Script
Facial-Attribute-Detection SA8255 (Proxy) SA8255P Proxy TFLITE 0.971 ms 0 - 106 MB FP16 NPU Facial-Attribute-Detection.tflite
Facial-Attribute-Detection SA8255 (Proxy) SA8255P Proxy QNN 1.008 ms 0 - 2 MB FP16 NPU Use Export Script
Facial-Attribute-Detection SA8295P ADP SA8295P TFLITE 1.672 ms 0 - 20 MB FP16 NPU Facial-Attribute-Detection.tflite
Facial-Attribute-Detection SA8295P ADP SA8295P QNN 1.738 ms 0 - 6 MB FP16 NPU Use Export Script
Facial-Attribute-Detection SA8650 (Proxy) SA8650P Proxy TFLITE 0.969 ms 0 - 106 MB FP16 NPU Facial-Attribute-Detection.tflite
Facial-Attribute-Detection SA8650 (Proxy) SA8650P Proxy QNN 1.002 ms 0 - 1 MB FP16 NPU Use Export Script
Facial-Attribute-Detection SA8775P ADP SA8775P TFLITE 1.782 ms 0 - 24 MB FP16 NPU Facial-Attribute-Detection.tflite
Facial-Attribute-Detection SA8775P ADP SA8775P QNN 1.99 ms 0 - 6 MB FP16 NPU Use Export Script
Facial-Attribute-Detection QCS8450 (Proxy) QCS8450 Proxy TFLITE 1.277 ms 0 - 23 MB FP16 NPU Facial-Attribute-Detection.tflite
Facial-Attribute-Detection QCS8450 (Proxy) QCS8450 Proxy QNN 1.357 ms 0 - 22 MB FP16 NPU Use Export Script
Facial-Attribute-Detection Snapdragon X Elite CRD Snapdragon® X Elite QNN 1.161 ms 0 - 0 MB FP16 NPU Use Export Script
Facial-Attribute-Detection Snapdragon X Elite CRD Snapdragon® X Elite ONNX 1.18 ms 27 - 27 MB FP16 NPU Facial-Attribute-Detection.onnx

Installation

This model can be installed as a Python package via pip.

pip install qai-hub-models

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.face_attrib_net.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.face_attrib_net.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.face_attrib_net.export

Profiling Results
------------------------------------------------------------
Facial-Attribute-Detection
Device                          : Samsung Galaxy S23 (13)
Runtime                         : TFLITE                 
Estimated inference time (ms)   : 1.0                    
Estimated peak memory usage (MB): [0, 106]               
Total # Ops                     : 161                    
Compute Unit(s)                 : NPU (161 ops)

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.face_attrib_net import Model

# Load the model
torch_model = Model.from_pretrained()

# Device
device = hub.Device("Samsung Galaxy S23")

# 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 Facial-Attribute-Detection's performance across various devices here. Explore all available models on Qualcomm® AI Hub

License

  • The license for the original implementation of Facial-Attribute-Detection can be found here.
  • The license for the compiled assets for on-device deployment can be found here

References

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