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Lightweight-Face-Detection

Object Detection
PyTorch
real_time
bu_iot
android
Model card Files
xet
Community
Lightweight-Face-Detection
File size: 17,042 Bytes
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---
library_name: pytorch
license: other
tags:
- real_time
- bu_iot
- android
pipeline_tag: object-detection

---

![](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/face_det_lite/web-assets/model_demo.png)

# Lightweight-Face-Detection: Optimized for Qualcomm Devices

A small and accurate model for detecting bounding boxes for faces in images. This model's architecture was developed by Qualcomm. The model was trained by Qualcomm on a proprietary dataset of faces, but can be used on any image.

This repository contains pre-exported model files optimized for Qualcomm® devices. You can use the [Qualcomm® AI Hub Models](https://github.com/quic/ai-hub-models/blob/main/qai_hub_models/models/face_det_lite) library to export with custom configurations. More details on model performance across various devices, can be found [here](#performance-summary).

Qualcomm AI Hub Models uses [Qualcomm AI Hub Workbench](https://workbench.aihub.qualcomm.com) to compile, profile, and evaluate this model. [Sign up](https://myaccount.qualcomm.com/signup) to run these models on a hosted Qualcomm® device.

## Getting Started
There are two ways to deploy this model on your device:

### Option 1: Download Pre-Exported Models

Below are pre-exported model assets ready for deployment.

| Runtime | Precision | Chipset | SDK Versions | Download |
|---|---|---|---|---|
| ONNX | float | Universal | QAIRT 2.42, ONNX Runtime 1.24.1 | [Download](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/face_det_lite/releases/v0.47.0/face_det_lite-onnx-float.zip)
| ONNX | w8a16 | Universal | QAIRT 2.42, ONNX Runtime 1.24.1 | [Download](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/face_det_lite/releases/v0.47.0/face_det_lite-onnx-w8a16.zip)
| ONNX | w8a16_mixed_int16 | Universal | QAIRT 2.42, ONNX Runtime 1.24.1 | [Download](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/face_det_lite/releases/v0.47.0/face_det_lite-onnx-w8a16_mixed_int16.zip)
| ONNX | w8a8 | Universal | QAIRT 2.42, ONNX Runtime 1.24.1 | [Download](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/face_det_lite/releases/v0.47.0/face_det_lite-onnx-w8a8.zip)
| QNN_DLC | float | Universal | QAIRT 2.43 | [Download](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/face_det_lite/releases/v0.47.0/face_det_lite-qnn_dlc-float.zip)
| QNN_DLC | w8a16 | Universal | QAIRT 2.43 | [Download](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/face_det_lite/releases/v0.47.0/face_det_lite-qnn_dlc-w8a16.zip)
| QNN_DLC | w8a16_mixed_int16 | Universal | QAIRT 2.43 | [Download](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/face_det_lite/releases/v0.47.0/face_det_lite-qnn_dlc-w8a16_mixed_int16.zip)
| QNN_DLC | w8a8 | Universal | QAIRT 2.43 | [Download](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/face_det_lite/releases/v0.47.0/face_det_lite-qnn_dlc-w8a8.zip)
| TFLITE | float | Universal | QAIRT 2.43, TFLite 2.17.0 | [Download](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/face_det_lite/releases/v0.47.0/face_det_lite-tflite-float.zip)
| TFLITE | w8a8 | Universal | QAIRT 2.43, TFLite 2.17.0 | [Download](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/face_det_lite/releases/v0.47.0/face_det_lite-tflite-w8a8.zip)

For more device-specific assets and performance metrics, visit **[Lightweight-Face-Detection on Qualcomm® AI Hub](https://aihub.qualcomm.com/models/face_det_lite)**.


### Option 2: Export with Custom Configurations

Use the [Qualcomm® AI Hub Models](https://github.com/quic/ai-hub-models/blob/main/qai_hub_models/models/face_det_lite) Python library to compile and export the model with your own:
- Custom weights (e.g., fine-tuned checkpoints)
- Custom input shapes
- Target device and runtime configurations

This option is ideal if you need to customize the model beyond the default configuration provided here.

See our repository for [Lightweight-Face-Detection on GitHub](https://github.com/quic/ai-hub-models/blob/main/qai_hub_models/models/face_det_lite) for usage instructions.

## Model Details

**Model Type:** Model_use_case.object_detection

**Model Stats:**
- Model checkpoint: qfd360_sl_model.pt
- Inference latency: RealTime
- Input resolution: 480x640
- Number of parameters: 878K
- Model size (float): 3.37 MB
- Model size (w8a8): 965 KB
- Model size (w8a16): 1.09 MB

## Performance Summary
| Model | Runtime | Precision | Chipset | Inference Time (ms) | Peak Memory Range (MB) | Primary Compute Unit
|---|---|---|---|---|---|---
| Lightweight-Face-Detection | ONNX | float | Snapdragon® X Elite | 2.189 ms | 1 - 1 MB | NPU
| Lightweight-Face-Detection | ONNX | float | Snapdragon® 8 Gen 3 Mobile | 1.086 ms | 0 - 159 MB | NPU
| Lightweight-Face-Detection | ONNX | float | Qualcomm® QCS8550 (Proxy) | 1.959 ms | 1 - 3 MB | NPU
| Lightweight-Face-Detection | ONNX | float | Qualcomm® QCS9075 | 2.493 ms | 1 - 4 MB | NPU
| Lightweight-Face-Detection | ONNX | float | Snapdragon® 8 Elite For Galaxy Mobile | 0.894 ms | 1 - 144 MB | NPU
| Lightweight-Face-Detection | ONNX | float | Snapdragon® 8 Elite Gen 5 Mobile | 1.075 ms | 1 - 148 MB | NPU
| Lightweight-Face-Detection | ONNX | float | Snapdragon® X2 Elite | 1.156 ms | 0 - 0 MB | NPU
| Lightweight-Face-Detection | ONNX | w8a16 | Snapdragon® X Elite | 1.992 ms | 1 - 1 MB | NPU
| Lightweight-Face-Detection | ONNX | w8a16 | Snapdragon® 8 Gen 3 Mobile | 0.984 ms | 0 - 165 MB | NPU
| Lightweight-Face-Detection | ONNX | w8a16 | Qualcomm® QCS6490 | 86.745 ms | 28 - 31 MB | CPU
| Lightweight-Face-Detection | ONNX | w8a16 | Qualcomm® QCS8550 (Proxy) | 1.75 ms | 0 - 3 MB | NPU
| Lightweight-Face-Detection | ONNX | w8a16 | Qualcomm® QCS9075 | 2.09 ms | 0 - 3 MB | NPU
| Lightweight-Face-Detection | ONNX | w8a16 | Qualcomm® QCM6690 | 44.97 ms | 26 - 33 MB | CPU
| Lightweight-Face-Detection | ONNX | w8a16 | Snapdragon® 8 Elite For Galaxy Mobile | 0.853 ms | 0 - 141 MB | NPU
| Lightweight-Face-Detection | ONNX | w8a16 | Snapdragon® 7 Gen 4 Mobile | 34.344 ms | 28 - 36 MB | CPU
| Lightweight-Face-Detection | ONNX | w8a16 | Snapdragon® 8 Elite Gen 5 Mobile | 0.83 ms | 0 - 146 MB | NPU
| Lightweight-Face-Detection | ONNX | w8a16 | Snapdragon® X2 Elite | 0.92 ms | 0 - 0 MB | NPU
| Lightweight-Face-Detection | ONNX | w8a16_mixed_int16 | Snapdragon® X Elite | 1.947 ms | 1 - 1 MB | NPU
| Lightweight-Face-Detection | ONNX | w8a16_mixed_int16 | Snapdragon® 8 Gen 3 Mobile | 1.024 ms | 0 - 165 MB | NPU
| Lightweight-Face-Detection | ONNX | w8a16_mixed_int16 | Qualcomm® QCS6490 | 86.866 ms | 28 - 31 MB | CPU
| Lightweight-Face-Detection | ONNX | w8a16_mixed_int16 | Qualcomm® QCS8550 (Proxy) | 1.716 ms | 0 - 3 MB | NPU
| Lightweight-Face-Detection | ONNX | w8a16_mixed_int16 | Qualcomm® QCS9075 | 2.123 ms | 0 - 3 MB | NPU
| Lightweight-Face-Detection | ONNX | w8a16_mixed_int16 | Qualcomm® QCM6690 | 44.303 ms | 28 - 35 MB | CPU
| Lightweight-Face-Detection | ONNX | w8a16_mixed_int16 | Snapdragon® 8 Elite For Galaxy Mobile | 0.867 ms | 0 - 141 MB | NPU
| Lightweight-Face-Detection | ONNX | w8a16_mixed_int16 | Snapdragon® 7 Gen 4 Mobile | 34.254 ms | 28 - 36 MB | CPU
| Lightweight-Face-Detection | ONNX | w8a16_mixed_int16 | Snapdragon® 8 Elite Gen 5 Mobile | 0.854 ms | 0 - 147 MB | NPU
| Lightweight-Face-Detection | ONNX | w8a16_mixed_int16 | Snapdragon® X2 Elite | 0.921 ms | 0 - 0 MB | NPU
| Lightweight-Face-Detection | ONNX | w8a8 | Snapdragon® X Elite | 0.563 ms | 0 - 0 MB | NPU
| Lightweight-Face-Detection | ONNX | w8a8 | Snapdragon® 8 Gen 3 Mobile | 0.3 ms | 0 - 153 MB | NPU
| Lightweight-Face-Detection | ONNX | w8a8 | Qualcomm® QCS6490 | 17.035 ms | 12 - 17 MB | CPU
| Lightweight-Face-Detection | ONNX | w8a8 | Qualcomm® QCS8550 (Proxy) | 0.439 ms | 0 - 3 MB | NPU
| Lightweight-Face-Detection | ONNX | w8a8 | Qualcomm® QCS9075 | 0.642 ms | 0 - 3 MB | NPU
| Lightweight-Face-Detection | ONNX | w8a8 | Qualcomm® QCM6690 | 12.754 ms | 12 - 21 MB | CPU
| Lightweight-Face-Detection | ONNX | w8a8 | Snapdragon® 8 Elite For Galaxy Mobile | 0.242 ms | 0 - 145 MB | NPU
| Lightweight-Face-Detection | ONNX | w8a8 | Snapdragon® 7 Gen 4 Mobile | 9.618 ms | 13 - 21 MB | CPU
| Lightweight-Face-Detection | ONNX | w8a8 | Snapdragon® 8 Elite Gen 5 Mobile | 0.22 ms | 0 - 145 MB | NPU
| Lightweight-Face-Detection | ONNX | w8a8 | Snapdragon® X2 Elite | 0.232 ms | 0 - 0 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | float | Snapdragon® X Elite | 2.806 ms | 1 - 1 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | float | Snapdragon® 8 Gen 3 Mobile | 1.596 ms | 0 - 42 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | float | Qualcomm® QCS8275 (Proxy) | 6.667 ms | 1 - 29 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | float | Qualcomm® QCS8550 (Proxy) | 2.541 ms | 0 - 13 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | float | Qualcomm® SA8775P | 3.253 ms | 0 - 30 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | float | Qualcomm® QCS9075 | 3.723 ms | 1 - 4 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | float | Qualcomm® QCS8450 (Proxy) | 4.315 ms | 0 - 42 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | float | Qualcomm® SA7255P | 6.667 ms | 1 - 29 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | float | Qualcomm® SA8295P | 3.751 ms | 0 - 26 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | float | Snapdragon® 8 Elite For Galaxy Mobile | 1.221 ms | 0 - 33 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | float | Snapdragon® 8 Elite Gen 5 Mobile | 1.079 ms | 1 - 33 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | float | Snapdragon® X2 Elite | 1.367 ms | 1 - 1 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | w8a16 | Snapdragon® X Elite | 1.961 ms | 1 - 1 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | w8a16 | Snapdragon® 8 Gen 3 Mobile | 0.967 ms | 0 - 153 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | w8a16 | Qualcomm® QCS6490 | 6.429 ms | 1 - 3 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | w8a16 | Qualcomm® QCS8275 (Proxy) | 2.973 ms | 1 - 139 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | w8a16 | Qualcomm® QCS8550 (Proxy) | 1.735 ms | 1 - 2 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | w8a16 | Qualcomm® SA8775P | 1.963 ms | 1 - 141 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | w8a16 | Qualcomm® QCS9075 | 2.169 ms | 2 - 5 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | w8a16 | Qualcomm® QCM6690 | 12.636 ms | 1 - 140 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | w8a16 | Qualcomm® QCS8450 (Proxy) | 2.892 ms | 0 - 154 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | w8a16 | Qualcomm® SA7255P | 2.973 ms | 1 - 139 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | w8a16 | Qualcomm® SA8295P | 2.251 ms | 0 - 137 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | w8a16 | Snapdragon® 8 Elite For Galaxy Mobile | 0.774 ms | 0 - 142 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | w8a16 | Snapdragon® 7 Gen 4 Mobile | 2.593 ms | 1 - 139 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | w8a16 | Snapdragon® 8 Elite Gen 5 Mobile | 0.71 ms | 1 - 142 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | w8a16 | Snapdragon® X2 Elite | 0.931 ms | 1 - 1 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | w8a16_mixed_int16 | Snapdragon® X Elite | 1.882 ms | 1 - 1 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | w8a16_mixed_int16 | Snapdragon® 8 Gen 3 Mobile | 1.002 ms | 0 - 157 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | w8a16_mixed_int16 | Qualcomm® QCS8275 (Proxy) | 3.256 ms | 1 - 139 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | w8a16_mixed_int16 | Qualcomm® QCS8550 (Proxy) | 1.672 ms | 1 - 70 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | w8a16_mixed_int16 | Qualcomm® SA8775P | 1.959 ms | 1 - 143 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | w8a16_mixed_int16 | Qualcomm® QCS9075 | 2.375 ms | 1 - 3 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | w8a16_mixed_int16 | Qualcomm® QCM6690 | 13.993 ms | 1 - 140 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | w8a16_mixed_int16 | Qualcomm® SA7255P | 3.256 ms | 1 - 139 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | w8a16_mixed_int16 | Snapdragon® 8 Elite For Galaxy Mobile | 0.818 ms | 0 - 139 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | w8a16_mixed_int16 | Snapdragon® 7 Gen 4 Mobile | 2.616 ms | 1 - 139 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | w8a16_mixed_int16 | Snapdragon® 8 Elite Gen 5 Mobile | 0.759 ms | 1 - 143 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | w8a16_mixed_int16 | Snapdragon® X2 Elite | 0.997 ms | 1 - 1 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | w8a8 | Snapdragon® X Elite | 0.533 ms | 0 - 0 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | w8a8 | Snapdragon® 8 Gen 3 Mobile | 0.288 ms | 0 - 35 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | w8a8 | Qualcomm® QCS6490 | 1.362 ms | 0 - 2 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | w8a8 | Qualcomm® QCS8275 (Proxy) | 1.073 ms | 0 - 25 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | w8a8 | Qualcomm® QCS8550 (Proxy) | 0.419 ms | 0 - 2 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | w8a8 | Qualcomm® SA8775P | 0.609 ms | 0 - 26 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | w8a8 | Qualcomm® QCS9075 | 0.554 ms | 0 - 2 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | w8a8 | Qualcomm® QCM6690 | 2.833 ms | 0 - 137 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | w8a8 | Qualcomm® QCS8450 (Proxy) | 0.497 ms | 0 - 36 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | w8a8 | Qualcomm® SA7255P | 1.073 ms | 0 - 25 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | w8a8 | Qualcomm® SA8295P | 0.822 ms | 0 - 23 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | w8a8 | Snapdragon® 8 Elite For Galaxy Mobile | 0.229 ms | 0 - 28 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | w8a8 | Snapdragon® 7 Gen 4 Mobile | 0.479 ms | 0 - 137 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | w8a8 | Snapdragon® 8 Elite Gen 5 Mobile | 0.19 ms | 0 - 26 MB | NPU
| Lightweight-Face-Detection | QNN_DLC | w8a8 | Snapdragon® X2 Elite | 0.309 ms | 0 - 0 MB | NPU
| Lightweight-Face-Detection | TFLITE | float | Snapdragon® 8 Gen 3 Mobile | 1.61 ms | 0 - 43 MB | NPU
| Lightweight-Face-Detection | TFLITE | float | Qualcomm® QCS8275 (Proxy) | 6.582 ms | 0 - 30 MB | NPU
| Lightweight-Face-Detection | TFLITE | float | Qualcomm® QCS8550 (Proxy) | 2.569 ms | 0 - 2 MB | NPU
| Lightweight-Face-Detection | TFLITE | float | Qualcomm® SA8775P | 3.242 ms | 0 - 31 MB | NPU
| Lightweight-Face-Detection | TFLITE | float | Qualcomm® QCS9075 | 3.714 ms | 0 - 5 MB | NPU
| Lightweight-Face-Detection | TFLITE | float | Qualcomm® QCS8450 (Proxy) | 4.314 ms | 0 - 44 MB | NPU
| Lightweight-Face-Detection | TFLITE | float | Qualcomm® SA7255P | 6.582 ms | 0 - 30 MB | NPU
| Lightweight-Face-Detection | TFLITE | float | Qualcomm® SA8295P | 3.727 ms | 0 - 27 MB | NPU
| Lightweight-Face-Detection | TFLITE | float | Snapdragon® 8 Elite For Galaxy Mobile | 1.235 ms | 0 - 34 MB | NPU
| Lightweight-Face-Detection | TFLITE | float | Snapdragon® 8 Elite Gen 5 Mobile | 1.067 ms | 0 - 34 MB | NPU
| Lightweight-Face-Detection | TFLITE | w8a8 | Snapdragon® 8 Gen 3 Mobile | 0.288 ms | 0 - 34 MB | NPU
| Lightweight-Face-Detection | TFLITE | w8a8 | Qualcomm® QCS6490 | 1.398 ms | 0 - 3 MB | NPU
| Lightweight-Face-Detection | TFLITE | w8a8 | Qualcomm® QCS8275 (Proxy) | 1.096 ms | 0 - 24 MB | NPU
| Lightweight-Face-Detection | TFLITE | w8a8 | Qualcomm® QCS8550 (Proxy) | 0.419 ms | 0 - 1 MB | NPU
| Lightweight-Face-Detection | TFLITE | w8a8 | Qualcomm® SA8775P | 0.63 ms | 0 - 26 MB | NPU
| Lightweight-Face-Detection | TFLITE | w8a8 | Qualcomm® QCS9075 | 0.569 ms | 0 - 3 MB | NPU
| Lightweight-Face-Detection | TFLITE | w8a8 | Qualcomm® QCM6690 | 2.818 ms | 0 - 137 MB | NPU
| Lightweight-Face-Detection | TFLITE | w8a8 | Qualcomm® QCS8450 (Proxy) | 0.51 ms | 0 - 35 MB | NPU
| Lightweight-Face-Detection | TFLITE | w8a8 | Qualcomm® SA7255P | 1.096 ms | 0 - 24 MB | NPU
| Lightweight-Face-Detection | TFLITE | w8a8 | Qualcomm® SA8295P | 0.864 ms | 0 - 22 MB | NPU
| Lightweight-Face-Detection | TFLITE | w8a8 | Snapdragon® 8 Elite For Galaxy Mobile | 0.235 ms | 0 - 23 MB | NPU
| Lightweight-Face-Detection | TFLITE | w8a8 | Snapdragon® 7 Gen 4 Mobile | 0.484 ms | 0 - 140 MB | NPU
| Lightweight-Face-Detection | TFLITE | w8a8 | Snapdragon® 8 Elite Gen 5 Mobile | 0.191 ms | 0 - 26 MB | NPU

## License
* The license for the original implementation of Lightweight-Face-Detection can be found
  [here](https://github.com/quic/ai-hub-models/blob/main/LICENSE).



## Community
* Join [our AI Hub Slack community](https://aihub.qualcomm.com/community/slack) to collaborate, post questions and learn more about on-device AI.
* For questions or feedback please [reach out to us](mailto:ai-hub-support@qti.qualcomm.com).