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FFNet-54S

Image Segmentation
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FFNet-54S: Optimized for Qualcomm Devices

FFNet-54S is a "fuss-free network" that segments street scene images with per-pixel classes like road, sidewalk, and pedestrian. Trained on the Cityscapes dataset.

This is based on the implementation of FFNet-54S 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 2.50, ONNX Runtime 1.27.1 Download
ONNX w8a8 Universal QAIRT 2.50, ONNX Runtime 1.27.1 Download
QNN_DLC float Universal QAIRT 2.50 Download
QNN_DLC w8a8 Universal QAIRT 2.50 Download
TFLITE float Universal QAIRT 2.50 Download
TFLITE w8a8 Universal QAIRT 2.50 Download

For more device-specific assets and performance metrics, visit FFNet-54S 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 FFNet-54S on GitHub for usage instructions.

Model Details

Model Type: Model_use_case.semantic_segmentation

Model Stats:

  • Input resolution: 2048x1024
  • Model checkpoint: ffnet54S_dBBB_cityscapes_state_dict_quarts
  • Model size (float): 68.8 MB
  • Model size (w8a8): 17.5 MB
  • Number of output classes: 19
  • Number of parameters: 18.0M

Performance Summary

Model Runtime Precision Chipset Inference Time (ms) Peak Memory Range (MB) Primary Compute Unit
FFNet-54S ONNX float Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 14.3 ms 5 - 212 MB NPU
FFNet-54S ONNX float Snapdragon® 8 Elite For Galaxy Mobile 18.454 ms 7 - 192 MB NPU
FFNet-54S ONNX float Snapdragon® X2 Elite 15.401 ms 24 - 24 MB NPU
FFNet-54S ONNX float Snapdragon® X Elite 32.526 ms 24 - 24 MB NPU
FFNet-54S ONNX float Snapdragon® 8 Gen 3 Mobile 27.214 ms 1 - 268 MB NPU
FFNet-54S ONNX float Snapdragon® 8 Gen 1 Mobile 50.172 ms 28 - 287 MB NPU
FFNet-54S ONNX float Qualcomm® Dragonwing™ IQ-8275 49.456 ms 24 - 52 MB NPU
FFNet-54S ONNX float Qualcomm® Dragonwing™ QCS8550 (Proxy) 33.738 ms 24 - 27 MB NPU
FFNet-54S ONNX float Qualcomm® QCS8450 50.172 ms 28 - 287 MB NPU
FFNet-54S ONNX float Qualcomm® Dragonwing™ IQ-9075 48.504 ms 24 - 51 MB NPU
FFNet-54S ONNX float Qualcomm® Dragonwing™ IQ-X7181 32.526 ms 24 - 24 MB NPU
FFNet-54S ONNX float Qualcomm® Dragonwing™ Q-8750 18.454 ms 7 - 192 MB NPU
FFNet-54S ONNX w8a8 Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 3.821 ms 2 - 197 MB NPU
FFNet-54S ONNX w8a8 Snapdragon® 8 Elite For Galaxy Mobile 5.176 ms 2 - 193 MB NPU
FFNet-54S ONNX w8a8 Snapdragon® X2 Elite 4.258 ms 7 - 7 MB NPU
FFNet-54S ONNX w8a8 Snapdragon® X Elite 11.073 ms 13 - 13 MB NPU
FFNet-54S ONNX w8a8 Snapdragon® 8 Gen 3 Mobile 6.848 ms 7 - 262 MB NPU
FFNet-54S ONNX w8a8 Snapdragon® 8 Gen 1 Mobile 14.744 ms 7 - 263 MB NPU
FFNet-54S ONNX w8a8 Qualcomm® Dragonwing™ QCS6490 45.681 ms 6 - 9 MB NPU
FFNet-54S ONNX w8a8 Qualcomm® Dragonwing™ IQ-8275 10.232 ms 6 - 10 MB NPU
FFNet-54S ONNX w8a8 Qualcomm® Dragonwing™ QCS8550 (Proxy) 10.456 ms 0 - 16 MB NPU
FFNet-54S ONNX w8a8 Qualcomm® QCS8450 14.744 ms 7 - 263 MB NPU
FFNet-54S ONNX w8a8 Qualcomm® Dragonwing™ IQ-9075 12.273 ms 6 - 9 MB NPU
FFNet-54S ONNX w8a8 Qualcomm® Dragonwing™ IQ-X7181 11.073 ms 13 - 13 MB NPU
FFNet-54S ONNX w8a8 Qualcomm® Dragonwing™ Q-6690 133.654 ms 5 - 209 MB NPU
FFNet-54S ONNX w8a8 Qualcomm® Dragonwing™ Q-7790 15.713 ms 7 - 216 MB NPU
FFNet-54S ONNX w8a8 Qualcomm® Dragonwing™ Q-8750 5.176 ms 2 - 193 MB NPU
FFNet-54S ONNX w8a8 Snapdragon® 7 Gen 4 Mobile 15.713 ms 7 - 216 MB NPU
FFNet-54S QNN_DLC float Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 13.615 ms 14 - 236 MB NPU
FFNet-54S QNN_DLC float Snapdragon® 8 Elite For Galaxy Mobile 19.637 ms 13 - 221 MB NPU
FFNet-54S QNN_DLC float Snapdragon® X2 Elite 15.926 ms 24 - 24 MB NPU
FFNet-54S QNN_DLC float Snapdragon® X Elite 40.756 ms 24 - 24 MB NPU
FFNet-54S QNN_DLC float Snapdragon® 8 Gen 3 Mobile 28.081 ms 24 - 296 MB NPU
FFNet-54S QNN_DLC float Snapdragon® 8 Gen 1 Mobile 53.984 ms 24 - 288 MB NPU
FFNet-54S QNN_DLC float Qualcomm® Dragonwing™ IQ-8275 54.285 ms 24 - 53 MB NPU
FFNet-54S QNN_DLC float Qualcomm® Dragonwing™ QCS8550 (Proxy) 38.794 ms 24 - 26 MB NPU
FFNet-54S QNN_DLC float Qualcomm® SA8775P 53.812 ms 24 - 214 MB NPU
FFNet-54S QNN_DLC float Qualcomm® SA8650P 53.812 ms 24 - 214 MB NPU
FFNet-54S QNN_DLC float Qualcomm® SA8255P 53.812 ms 24 - 214 MB NPU
FFNet-54S QNN_DLC float Qualcomm® QCS8450 53.984 ms 24 - 288 MB NPU
FFNet-54S QNN_DLC float Qualcomm® Dragonwing™ IQ-9075 54.748 ms 24 - 53 MB NPU
FFNet-54S QNN_DLC float Qualcomm® Dragonwing™ IQ-X7181 40.756 ms 24 - 24 MB NPU
FFNet-54S QNN_DLC float Qualcomm® Dragonwing™ Q-8750 19.637 ms 13 - 221 MB NPU
FFNet-54S QNN_DLC float Qualcomm® SA8295P 58.75 ms 24 - 215 MB NPU
FFNet-54S QNN_DLC w8a8 Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 5.69 ms 6 - 229 MB NPU
FFNet-54S QNN_DLC w8a8 Snapdragon® 8 Elite For Galaxy Mobile 7.608 ms 6 - 213 MB NPU
FFNet-54S QNN_DLC w8a8 Snapdragon® X2 Elite 6.573 ms 6 - 6 MB NPU
FFNet-54S QNN_DLC w8a8 Snapdragon® X Elite 16.755 ms 6 - 6 MB NPU
FFNet-54S QNN_DLC w8a8 Snapdragon® 8 Gen 3 Mobile 11.071 ms 6 - 259 MB NPU
FFNet-54S QNN_DLC w8a8 Snapdragon® 8 Gen 1 Mobile 18.368 ms 6 - 259 MB NPU
FFNet-54S QNN_DLC w8a8 Qualcomm® Dragonwing™ QCS6490 49.129 ms 8 - 17 MB NPU
FFNet-54S QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-8275 15.714 ms 2 - 11 MB NPU
FFNet-54S QNN_DLC w8a8 Qualcomm® Dragonwing™ QCS8550 (Proxy) 15.781 ms 6 - 8 MB NPU
FFNet-54S QNN_DLC w8a8 Qualcomm® SA8775P 16.277 ms 6 - 201 MB NPU
FFNet-54S QNN_DLC w8a8 Qualcomm® SA8650P 16.277 ms 6 - 201 MB NPU
FFNet-54S QNN_DLC w8a8 Qualcomm® SA8255P 16.277 ms 6 - 201 MB NPU
FFNet-54S QNN_DLC w8a8 Qualcomm® QCS8450 18.368 ms 6 - 259 MB NPU
FFNet-54S QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-9075 16.348 ms 6 - 15 MB NPU
FFNet-54S QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-X7181 16.755 ms 6 - 6 MB NPU
FFNet-54S QNN_DLC w8a8 Qualcomm® Dragonwing™ Q-6690 152.373 ms 6 - 204 MB NPU
FFNet-54S QNN_DLC w8a8 Qualcomm® Dragonwing™ Q-7790 20.075 ms 6 - 215 MB NPU
FFNet-54S QNN_DLC w8a8 Qualcomm® Dragonwing™ Q-8750 7.608 ms 6 - 213 MB NPU
FFNet-54S QNN_DLC w8a8 Qualcomm® SA8295P 21.345 ms 6 - 205 MB NPU
FFNet-54S QNN_DLC w8a8 Snapdragon® 7 Gen 4 Mobile 20.075 ms 6 - 215 MB NPU
FFNet-54S TFLITE float Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 13.576 ms 0 - 241 MB NPU
FFNet-54S TFLITE float Snapdragon® 8 Elite For Galaxy Mobile 19.577 ms 1 - 230 MB NPU
FFNet-54S TFLITE float Snapdragon® 8 Gen 3 Mobile 28.281 ms 1 - 319 MB NPU
FFNet-54S TFLITE float Snapdragon® 8 Gen 1 Mobile 53.907 ms 3 - 315 MB NPU
FFNet-54S TFLITE float Qualcomm® Dragonwing™ IQ-8275 54.298 ms 0 - 65 MB NPU
FFNet-54S TFLITE float Qualcomm® Dragonwing™ QCS8550 (Proxy) 38.622 ms 2 - 5 MB NPU
FFNet-54S TFLITE float Qualcomm® SA8775P 53.858 ms 3 - 213 MB NPU
FFNet-54S TFLITE float Qualcomm® SA8650P 53.858 ms 3 - 213 MB NPU
FFNet-54S TFLITE float Qualcomm® SA8255P 53.858 ms 3 - 213 MB NPU
FFNet-54S TFLITE float Qualcomm® QCS8450 53.907 ms 3 - 315 MB NPU
FFNet-54S TFLITE float Qualcomm® Dragonwing™ IQ-9075 55.24 ms 0 - 64 MB NPU
FFNet-54S TFLITE float Qualcomm® Dragonwing™ Q-8750 19.577 ms 1 - 230 MB NPU
FFNet-54S TFLITE float Qualcomm® SA8295P 58.721 ms 3 - 213 MB NPU
FFNet-54S TFLITE w8a8 Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 3.341 ms 1 - 222 MB NPU
FFNet-54S TFLITE w8a8 Snapdragon® 8 Elite For Galaxy Mobile 4.371 ms 1 - 209 MB NPU
FFNet-54S TFLITE w8a8 Snapdragon® 8 Gen 3 Mobile 5.778 ms 1 - 251 MB NPU
FFNet-54S TFLITE w8a8 Snapdragon® 8 Gen 1 Mobile 10.093 ms 1 - 256 MB NPU
FFNet-54S TFLITE w8a8 Qualcomm® Dragonwing™ QCS6490 34.118 ms 1 - 28 MB NPU
FFNet-54S TFLITE w8a8 Qualcomm® Dragonwing™ IQ-8275 8.789 ms 1 - 28 MB NPU
FFNet-54S TFLITE w8a8 Qualcomm® Dragonwing™ QCS8550 (Proxy) 8.119 ms 0 - 3 MB NPU
FFNet-54S TFLITE w8a8 Qualcomm® SA8775P 8.894 ms 1 - 196 MB NPU
FFNet-54S TFLITE w8a8 Qualcomm® SA8650P 8.894 ms 1 - 196 MB NPU
FFNet-54S TFLITE w8a8 Qualcomm® SA8255P 8.894 ms 1 - 196 MB NPU
FFNet-54S TFLITE w8a8 Qualcomm® QCS8450 10.093 ms 1 - 256 MB NPU
FFNet-54S TFLITE w8a8 Qualcomm® Dragonwing™ IQ-9075 8.67 ms 1 - 28 MB NPU
FFNet-54S TFLITE w8a8 Qualcomm® Dragonwing™ Q-6690 128.137 ms 1 - 197 MB NPU
FFNet-54S TFLITE w8a8 Qualcomm® Dragonwing™ Q-7790 12.511 ms 1 - 210 MB NPU
FFNet-54S TFLITE w8a8 Qualcomm® Dragonwing™ Q-8750 4.371 ms 1 - 209 MB NPU
FFNet-54S TFLITE w8a8 Qualcomm® SA8295P 12.951 ms 1 - 199 MB NPU
FFNet-54S TFLITE w8a8 Snapdragon® 7 Gen 4 Mobile 12.511 ms 1 - 210 MB NPU

License

  • The license for the original implementation of FFNet-54S can be found here.

References

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Paper for qualcomm/FFNet-54S