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PidNet

Image Segmentation
PyTorch
real_time
android
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PidNet: Optimized for Qualcomm Devices

PIDNet (Proportional-Integral-Derivative Network) is a real-time semantic segmentation model based on PID controllers

This is based on the implementation of PidNet found here. This repository contains pre-exported model files optimized for Qualcomm® devices. You can use the Qualcomm® AI Hub Models library to export with custom configurations. More details on model performance across various devices, can be found here.

Qualcomm AI Hub Models uses Qualcomm AI Hub Workbench to compile, profile, and evaluate this model. Sign up 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 2.45, ONNX Runtime 1.27.1 Download
ONNX w8a8 Universal QAIRT 2.45, ONNX Runtime 1.27.1 Download
QNN_DLC float Universal QAIRT 2.45 Download
QNN_DLC w8a8 Universal QAIRT 2.45 Download
TFLITE float Universal QAIRT 2.45 Download
TFLITE w8a8 Universal QAIRT 2.45 Download

For more device-specific assets and performance metrics, visit PidNet on Qualcomm® AI Hub.

Option 2: Export with Custom Configurations

Use the Qualcomm® AI Hub Models 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 PidNet on GitHub for usage instructions.

Model Details

Model Type: Model_use_case.semantic_segmentation

Model Stats:

  • Inference latency: RealTime
  • Input resolution: 1024x2048
  • Model checkpoint: PIDNet_S_Cityscapes_val.pt
  • Model size (float): 29.1 MB
  • Model size (w8a8): 8.02 MB
  • Number of output classes: 19
  • Number of parameters: 8.06M

Performance Summary

Model Runtime Precision Chipset Inference Time (ms) Peak Memory Range (MB) Primary Compute Unit
PidNet ONNX float Snapdragon® X2 Elite 13.743 ms 24 - 24 MB NPU
PidNet ONNX float Snapdragon® X Elite 32.114 ms 24 - 24 MB NPU
PidNet ONNX float Snapdragon® 8 Gen 3 Mobile 22.848 ms 30 - 331 MB NPU
PidNet ONNX float Snapdragon® 8 Gen 1 Mobile 54.789 ms 13 - 318 MB NPU
PidNet ONNX float Qualcomm® Dragonwing™ IQ-8275 40.42 ms 24 - 51 MB NPU
PidNet ONNX float Qualcomm® Dragonwing™ QCS8550 (Proxy) 32.832 ms 24 - 46 MB NPU
PidNet ONNX float Qualcomm® QCS8450 54.789 ms 13 - 318 MB NPU
PidNet ONNX float Qualcomm® Dragonwing™ IQ-9075 42.261 ms 24 - 51 MB NPU
PidNet ONNX float Qualcomm® Dragonwing™ IQ-X7181 32.114 ms 24 - 24 MB NPU
PidNet ONNX float Qualcomm® Dragonwing™ Q-8750 17.614 ms 6 - 219 MB NPU
PidNet ONNX float Snapdragon® 8 Elite Mobile 17.614 ms 6 - 219 MB NPU
PidNet ONNX float Snapdragon® 8 Elite Gen 5 Mobile 13.235 ms 7 - 256 MB NPU
PidNet ONNX w8a8 Snapdragon® X2 Elite 26.075 ms 7 - 7 MB NPU
PidNet ONNX w8a8 Snapdragon® X Elite 54.893 ms 7 - 7 MB NPU
PidNet ONNX w8a8 Snapdragon® 8 Gen 3 Mobile 38.835 ms 7 - 270 MB NPU
PidNet ONNX w8a8 Snapdragon® 8 Gen 1 Mobile 57.517 ms 8 - 271 MB NPU
PidNet ONNX w8a8 Qualcomm® Dragonwing™ QCS6490 157.864 ms 6 - 9 MB NPU
PidNet ONNX w8a8 Qualcomm® Dragonwing™ IQ-8275 51.006 ms 6 - 10 MB NPU
PidNet ONNX w8a8 Qualcomm® Dragonwing™ QCS8550 (Proxy) 52.717 ms 6 - 177 MB NPU
PidNet ONNX w8a8 Qualcomm® QCS8450 57.517 ms 8 - 271 MB NPU
PidNet ONNX w8a8 Qualcomm® Dragonwing™ IQ-9075 54.064 ms 6 - 9 MB NPU
PidNet ONNX w8a8 Qualcomm® Dragonwing™ IQ-X7181 54.893 ms 7 - 7 MB NPU
PidNet ONNX w8a8 Qualcomm® Dragonwing™ Q-6690 210.332 ms 6 - 225 MB NPU
PidNet ONNX w8a8 Qualcomm® Dragonwing™ Q-7790 62.654 ms 7 - 235 MB NPU
PidNet ONNX w8a8 Qualcomm® Dragonwing™ Q-8750 44.899 ms 1 - 217 MB NPU
PidNet ONNX w8a8 Snapdragon® 8 Elite Mobile 44.899 ms 1 - 217 MB NPU
PidNet ONNX w8a8 Snapdragon® 8 Elite Gen 5 Mobile 25.8 ms 2 - 236 MB NPU
PidNet ONNX w8a8 Snapdragon® 7 Gen 4 Mobile 62.654 ms 7 - 235 MB NPU
PidNet QNN_DLC float Snapdragon® X2 Elite 13.562 ms 24 - 24 MB NPU
PidNet QNN_DLC float Snapdragon® X Elite 38.875 ms 24 - 24 MB NPU
PidNet QNN_DLC float Snapdragon® 8 Gen 3 Mobile 25.468 ms 16 - 323 MB NPU
PidNet QNN_DLC float Snapdragon® 8 Gen 1 Mobile 75.957 ms 3 - 308 MB NPU
PidNet QNN_DLC float Qualcomm® Dragonwing™ IQ-8275 44.511 ms 24 - 53 MB NPU
PidNet QNN_DLC float Qualcomm® Dragonwing™ QCS8550 (Proxy) 37.729 ms 24 - 27 MB NPU
PidNet QNN_DLC float Qualcomm® SA8775P 46.605 ms 24 - 247 MB NPU
PidNet QNN_DLC float Qualcomm® SA8650P 46.605 ms 24 - 247 MB NPU
PidNet QNN_DLC float Qualcomm® SA8255P 46.605 ms 24 - 247 MB NPU
PidNet QNN_DLC float Qualcomm® QCS8450 75.957 ms 3 - 308 MB NPU
PidNet QNN_DLC float Qualcomm® Dragonwing™ IQ-9075 47.528 ms 24 - 52 MB NPU
PidNet QNN_DLC float Qualcomm® Dragonwing™ IQ-X7181 38.875 ms 24 - 24 MB NPU
PidNet QNN_DLC float Qualcomm® Dragonwing™ Q-8750 18.213 ms 23 - 267 MB NPU
PidNet QNN_DLC float Qualcomm® SA7255P 117.751 ms 24 - 246 MB NPU
PidNet QNN_DLC float Qualcomm® SA8295P 51.907 ms 24 - 252 MB NPU
PidNet QNN_DLC float Snapdragon® 8 Elite Mobile 18.213 ms 23 - 267 MB NPU
PidNet QNN_DLC float Snapdragon® 8 Elite Gen 5 Mobile 12.062 ms 18 - 289 MB NPU
PidNet QNN_DLC w8a8 Snapdragon® X2 Elite 25.762 ms 6 - 6 MB NPU
PidNet QNN_DLC w8a8 Snapdragon® X Elite 60.63 ms 6 - 6 MB NPU
PidNet QNN_DLC w8a8 Snapdragon® 8 Gen 3 Mobile 43.111 ms 6 - 267 MB NPU
PidNet QNN_DLC w8a8 Snapdragon® 8 Gen 1 Mobile 63.574 ms 6 - 270 MB NPU
PidNet QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-8275 56.547 ms 6 - 15 MB NPU
PidNet QNN_DLC w8a8 Qualcomm® Dragonwing™ QCS8550 (Proxy) 57.901 ms 6 - 8 MB NPU
PidNet QNN_DLC w8a8 Qualcomm® SA8775P 58.537 ms 6 - 219 MB NPU
PidNet QNN_DLC w8a8 Qualcomm® SA8650P 58.537 ms 6 - 219 MB NPU
PidNet QNN_DLC w8a8 Qualcomm® SA8255P 58.537 ms 6 - 219 MB NPU
PidNet QNN_DLC w8a8 Qualcomm® QCS8450 63.574 ms 6 - 270 MB NPU
PidNet QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-9075 59.064 ms 6 - 14 MB NPU
PidNet QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-X7181 60.63 ms 6 - 6 MB NPU
PidNet QNN_DLC w8a8 Qualcomm® Dragonwing™ Q-8750 43.833 ms 6 - 241 MB NPU
PidNet QNN_DLC w8a8 Qualcomm® SA7255P 111.291 ms 6 - 218 MB NPU
PidNet QNN_DLC w8a8 Qualcomm® SA8295P 66.453 ms 6 - 223 MB NPU
PidNet QNN_DLC w8a8 Snapdragon® 8 Elite Mobile 43.833 ms 6 - 241 MB NPU
PidNet QNN_DLC w8a8 Snapdragon® 8 Elite Gen 5 Mobile 24.54 ms 6 - 272 MB NPU
PidNet TFLITE float Snapdragon® 8 Gen 3 Mobile 24.955 ms 2 - 322 MB NPU
PidNet TFLITE float Snapdragon® 8 Gen 1 Mobile 74.253 ms 0 - 326 MB NPU
PidNet TFLITE float Qualcomm® Dragonwing™ IQ-8275 43.808 ms 0 - 46 MB NPU
PidNet TFLITE float Qualcomm® Dragonwing™ QCS8550 (Proxy) 36.276 ms 2 - 5 MB NPU
PidNet TFLITE float Qualcomm® SA8775P 45.283 ms 3 - 233 MB NPU
PidNet TFLITE float Qualcomm® SA8650P 45.283 ms 3 - 233 MB NPU
PidNet TFLITE float Qualcomm® SA8255P 45.283 ms 3 - 233 MB NPU
PidNet TFLITE float Qualcomm® QCS8450 74.253 ms 0 - 326 MB NPU
PidNet TFLITE float Qualcomm® Dragonwing™ IQ-9075 45.833 ms 0 - 45 MB NPU
PidNet TFLITE float Qualcomm® Dragonwing™ Q-8750 18.901 ms 2 - 255 MB NPU
PidNet TFLITE float Qualcomm® SA7255P 116.628 ms 0 - 228 MB NPU
PidNet TFLITE float Qualcomm® SA8295P 50.971 ms 3 - 245 MB NPU
PidNet TFLITE float Snapdragon® 8 Elite Mobile 18.901 ms 2 - 255 MB NPU
PidNet TFLITE float Snapdragon® 8 Elite Gen 5 Mobile 12.648 ms 4 - 274 MB NPU
PidNet TFLITE w8a8 Snapdragon® 8 Gen 3 Mobile 38.123 ms 1 - 262 MB NPU
PidNet TFLITE w8a8 Snapdragon® 8 Gen 1 Mobile 58.254 ms 1 - 266 MB NPU
PidNet TFLITE w8a8 Qualcomm® Dragonwing™ QCS6490 200.632 ms 2 - 72 MB NPU
PidNet TFLITE w8a8 Qualcomm® Dragonwing™ IQ-8275 49.767 ms 1 - 18 MB NPU
PidNet TFLITE w8a8 Qualcomm® Dragonwing™ QCS8550 (Proxy) 50.412 ms 0 - 3 MB NPU
PidNet TFLITE w8a8 Qualcomm® SA8775P 51.017 ms 1 - 214 MB NPU
PidNet TFLITE w8a8 Qualcomm® SA8650P 51.017 ms 1 - 214 MB NPU
PidNet TFLITE w8a8 Qualcomm® SA8255P 51.017 ms 1 - 214 MB NPU
PidNet TFLITE w8a8 Qualcomm® QCS8450 58.254 ms 1 - 266 MB NPU
PidNet TFLITE w8a8 Qualcomm® Dragonwing™ IQ-9075 51.628 ms 0 - 17 MB NPU
PidNet TFLITE w8a8 Qualcomm® Dragonwing™ Q-6690 243.409 ms 3 - 233 MB NPU
PidNet TFLITE w8a8 Qualcomm® Dragonwing™ Q-7790 66.153 ms 1 - 219 MB NPU
PidNet TFLITE w8a8 Qualcomm® Dragonwing™ Q-8750 70.041 ms 1 - 233 MB NPU
PidNet TFLITE w8a8 Qualcomm® SA7255P 98.332 ms 0 - 212 MB NPU
PidNet TFLITE w8a8 Qualcomm® SA8295P 58.069 ms 1 - 217 MB NPU
PidNet TFLITE w8a8 Snapdragon® 8 Elite Mobile 70.041 ms 1 - 233 MB NPU
PidNet TFLITE w8a8 Snapdragon® 8 Elite Gen 5 Mobile 22.173 ms 0 - 266 MB NPU
PidNet TFLITE w8a8 Snapdragon® 7 Gen 4 Mobile 66.153 ms 1 - 219 MB NPU

License

  • The license for the original implementation of PidNet can be found here.

References

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Paper for qualcomm/PidNet