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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 2.45, 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 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® X2 Elite 15.711 ms 24 - 24 MB NPU
FFNet-54S ONNX float Snapdragon® X Elite 33.84 ms 24 - 24 MB NPU
FFNet-54S ONNX float Snapdragon® 8 Gen 3 Mobile 24.6 ms 1 - 301 MB NPU
FFNet-54S ONNX float Snapdragon® 8 Gen 1 Mobile 52.398 ms 1 - 270 MB NPU
FFNet-54S ONNX float Qualcomm® Dragonwing™ IQ-8275 49.612 ms 24 - 51 MB NPU
FFNet-54S ONNX float Qualcomm® Dragonwing™ QCS8550 (Proxy) 34.324 ms 24 - 469 MB NPU
FFNet-54S ONNX float Qualcomm® QCS8450 52.398 ms 1 - 270 MB NPU
FFNet-54S ONNX float Qualcomm® Dragonwing™ IQ-9075 49.498 ms 24 - 51 MB NPU
FFNet-54S ONNX float Qualcomm® Dragonwing™ IQ-X7181 33.84 ms 24 - 24 MB NPU
FFNet-54S ONNX float Qualcomm® Dragonwing™ Q-8750 19.211 ms 7 - 199 MB NPU
FFNet-54S ONNX float Snapdragon® 8 Elite Mobile 19.211 ms 7 - 199 MB NPU
FFNet-54S ONNX float Snapdragon® 8 Elite Gen 5 Mobile 14.553 ms 8 - 222 MB NPU
FFNet-54S ONNX w8a8 Snapdragon® X2 Elite 7.321 ms 7 - 7 MB NPU
FFNet-54S ONNX w8a8 Snapdragon® X Elite 11.986 ms 13 - 13 MB NPU
FFNet-54S ONNX w8a8 Snapdragon® 8 Gen 3 Mobile 7.364 ms 7 - 271 MB NPU
FFNet-54S ONNX w8a8 Snapdragon® 8 Gen 1 Mobile 16.809 ms 7 - 270 MB NPU
FFNet-54S ONNX w8a8 Qualcomm® Dragonwing™ QCS6490 51.893 ms 6 - 9 MB NPU
FFNet-54S ONNX w8a8 Qualcomm® Dragonwing™ IQ-8275 10.83 ms 6 - 10 MB NPU
FFNet-54S ONNX w8a8 Qualcomm® Dragonwing™ QCS8550 (Proxy) 11.311 ms 0 - 16 MB NPU
FFNet-54S ONNX w8a8 Qualcomm® QCS8450 16.809 ms 7 - 270 MB NPU
FFNet-54S ONNX w8a8 Qualcomm® Dragonwing™ IQ-9075 15.292 ms 6 - 9 MB NPU
FFNet-54S ONNX w8a8 Qualcomm® Dragonwing™ IQ-X7181 11.986 ms 13 - 13 MB NPU
FFNet-54S ONNX w8a8 Qualcomm® Dragonwing™ Q-6690 125.823 ms 6 - 254 MB NPU
FFNet-54S ONNX w8a8 Qualcomm® Dragonwing™ Q-7790 14.844 ms 7 - 223 MB NPU
FFNet-54S ONNX w8a8 Qualcomm® Dragonwing™ Q-8750 11.757 ms 1 - 203 MB NPU
FFNet-54S ONNX w8a8 Snapdragon® 8 Elite Mobile 11.757 ms 1 - 203 MB NPU
FFNet-54S ONNX w8a8 Snapdragon® 8 Elite Gen 5 Mobile 6.988 ms 2 - 205 MB NPU
FFNet-54S ONNX w8a8 Snapdragon® 7 Gen 4 Mobile 14.844 ms 7 - 223 MB NPU
FFNet-54S QNN_DLC float Snapdragon® X2 Elite 15.849 ms 24 - 24 MB NPU
FFNet-54S QNN_DLC float Snapdragon® X Elite 40.13 ms 24 - 24 MB NPU
FFNet-54S QNN_DLC float Snapdragon® 8 Gen 3 Mobile 26.524 ms 24 - 303 MB NPU
FFNet-54S QNN_DLC float Snapdragon® 8 Gen 1 Mobile 77.039 ms 25 - 296 MB NPU
FFNet-54S QNN_DLC float Qualcomm® Dragonwing™ IQ-8275 53.656 ms 24 - 53 MB NPU
FFNet-54S QNN_DLC float Qualcomm® Dragonwing™ IQ-8275 155.281 ms 24 - 225 MB NPU
FFNet-54S QNN_DLC float Qualcomm® Dragonwing™ QCS8550 (Proxy) 38.443 ms 24 - 26 MB NPU
FFNet-54S QNN_DLC float Qualcomm® SA8775P 53.647 ms 24 - 225 MB NPU
FFNet-54S QNN_DLC float Qualcomm® SA8650P 53.647 ms 24 - 225 MB NPU
FFNet-54S QNN_DLC float Qualcomm® SA8255P 53.647 ms 24 - 225 MB NPU
FFNet-54S QNN_DLC float Qualcomm® QCS8450 77.039 ms 25 - 296 MB NPU
FFNet-54S QNN_DLC float Qualcomm® Dragonwing™ IQ-9075 54.899 ms 24 - 52 MB NPU
FFNet-54S QNN_DLC float Qualcomm® Dragonwing™ IQ-X7181 40.13 ms 24 - 24 MB NPU
FFNet-54S QNN_DLC float Qualcomm® Dragonwing™ Q-8750 19.575 ms 16 - 237 MB NPU
FFNet-54S QNN_DLC float Qualcomm® SA7255P 155.281 ms 24 - 225 MB NPU
FFNet-54S QNN_DLC float Qualcomm® SA8295P 59.21 ms 24 - 222 MB NPU
FFNet-54S QNN_DLC float Snapdragon® 8 Elite Mobile 19.575 ms 16 - 237 MB NPU
FFNet-54S QNN_DLC float Snapdragon® 8 Elite Gen 5 Mobile 13.76 ms 22 - 266 MB NPU
FFNet-54S QNN_DLC w8a8 Snapdragon® X2 Elite 6.431 ms 6 - 6 MB NPU
FFNet-54S QNN_DLC w8a8 Snapdragon® X Elite 16.671 ms 6 - 6 MB NPU
FFNet-54S QNN_DLC w8a8 Snapdragon® 8 Gen 3 Mobile 10.93 ms 6 - 267 MB NPU
FFNet-54S QNN_DLC w8a8 Snapdragon® 8 Gen 1 Mobile 22.335 ms 6 - 270 MB NPU
FFNet-54S QNN_DLC w8a8 Qualcomm® Dragonwing™ QCS6490 58.986 ms 3 - 11 MB NPU
FFNet-54S QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-8275 15.573 ms 6 - 15 MB NPU
FFNet-54S QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-8275 35.542 ms 6 - 212 MB NPU
FFNet-54S QNN_DLC w8a8 Qualcomm® Dragonwing™ QCS8550 (Proxy) 15.693 ms 6 - 9 MB NPU
FFNet-54S QNN_DLC w8a8 Qualcomm® SA8775P 16.261 ms 6 - 213 MB NPU
FFNet-54S QNN_DLC w8a8 Qualcomm® SA8650P 16.261 ms 6 - 213 MB NPU
FFNet-54S QNN_DLC w8a8 Qualcomm® SA8255P 16.261 ms 6 - 213 MB NPU
FFNet-54S QNN_DLC w8a8 Qualcomm® QCS8450 22.335 ms 6 - 270 MB NPU
FFNet-54S QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-9075 16.954 ms 8 - 16 MB NPU
FFNet-54S QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-X7181 16.671 ms 6 - 6 MB NPU
FFNet-54S QNN_DLC w8a8 Qualcomm® Dragonwing™ Q-6690 144.125 ms 12 - 249 MB NPU
FFNet-54S QNN_DLC w8a8 Qualcomm® Dragonwing™ Q-7790 20.401 ms 6 - 229 MB NPU
FFNet-54S QNN_DLC w8a8 Qualcomm® Dragonwing™ Q-8750 7.481 ms 2 - 222 MB NPU
FFNet-54S QNN_DLC w8a8 Qualcomm® SA7255P 35.542 ms 6 - 212 MB NPU
FFNet-54S QNN_DLC w8a8 Qualcomm® SA8295P 21.288 ms 6 - 215 MB NPU
FFNet-54S QNN_DLC w8a8 Snapdragon® 8 Elite Mobile 7.481 ms 2 - 222 MB NPU
FFNet-54S QNN_DLC w8a8 Snapdragon® 8 Elite Gen 5 Mobile 5.567 ms 6 - 239 MB NPU
FFNet-54S QNN_DLC w8a8 Snapdragon® 7 Gen 4 Mobile 20.401 ms 6 - 229 MB NPU
FFNet-54S TFLITE float Snapdragon® 8 Gen 3 Mobile 26.706 ms 2 - 331 MB NPU
FFNet-54S TFLITE float Snapdragon® 8 Gen 1 Mobile 77.137 ms 3 - 324 MB NPU
FFNet-54S TFLITE float Qualcomm® Dragonwing™ IQ-8275 53.813 ms 0 - 65 MB NPU
FFNet-54S TFLITE float Qualcomm® Dragonwing™ IQ-8275 155.375 ms 3 - 224 MB NPU
FFNet-54S TFLITE float Qualcomm® Dragonwing™ QCS8550 (Proxy) 38.348 ms 3 - 5 MB NPU
FFNet-54S TFLITE float Qualcomm® SA8775P 53.717 ms 3 - 224 MB NPU
FFNet-54S TFLITE float Qualcomm® SA8650P 53.717 ms 3 - 224 MB NPU
FFNet-54S TFLITE float Qualcomm® SA8255P 53.717 ms 3 - 224 MB NPU
FFNet-54S TFLITE float Qualcomm® QCS8450 77.137 ms 3 - 324 MB NPU
FFNet-54S TFLITE float Qualcomm® Dragonwing™ IQ-9075 54.518 ms 0 - 64 MB NPU
FFNet-54S TFLITE float Qualcomm® Dragonwing™ Q-8750 19.407 ms 2 - 245 MB NPU
FFNet-54S TFLITE float Qualcomm® SA7255P 155.375 ms 3 - 224 MB NPU
FFNet-54S TFLITE float Qualcomm® SA8295P 59.273 ms 3 - 220 MB NPU
FFNet-54S TFLITE float Snapdragon® 8 Elite Mobile 19.407 ms 2 - 245 MB NPU
FFNet-54S TFLITE float Snapdragon® 8 Elite Gen 5 Mobile 13.828 ms 2 - 264 MB NPU
FFNet-54S TFLITE w8a8 Snapdragon® 8 Gen 3 Mobile 5.902 ms 0 - 262 MB NPU
FFNet-54S TFLITE w8a8 Snapdragon® 8 Gen 1 Mobile 13.375 ms 0 - 264 MB NPU
FFNet-54S TFLITE w8a8 Qualcomm® Dragonwing™ QCS6490 44.466 ms 1 - 27 MB NPU
FFNet-54S TFLITE w8a8 Qualcomm® Dragonwing™ IQ-8275 8.903 ms 1 - 28 MB NPU
FFNet-54S TFLITE w8a8 Qualcomm® Dragonwing™ IQ-8275 22.903 ms 1 - 204 MB NPU
FFNet-54S TFLITE w8a8 Qualcomm® Dragonwing™ QCS8550 (Proxy) 8.256 ms 1 - 95 MB NPU
FFNet-54S TFLITE w8a8 Qualcomm® SA8775P 8.833 ms 1 - 205 MB NPU
FFNet-54S TFLITE w8a8 Qualcomm® SA8650P 8.833 ms 1 - 205 MB NPU
FFNet-54S TFLITE w8a8 Qualcomm® SA8255P 8.833 ms 1 - 205 MB NPU
FFNet-54S TFLITE w8a8 Qualcomm® QCS8450 13.375 ms 0 - 264 MB NPU
FFNet-54S TFLITE w8a8 Qualcomm® Dragonwing™ IQ-9075 8.627 ms 0 - 27 MB NPU
FFNet-54S TFLITE w8a8 Qualcomm® Dragonwing™ Q-6690 122.407 ms 3 - 238 MB NPU
FFNet-54S TFLITE w8a8 Qualcomm® Dragonwing™ Q-7790 12.543 ms 0 - 219 MB NPU
FFNet-54S TFLITE w8a8 Qualcomm® Dragonwing™ Q-8750 4.439 ms 1 - 218 MB NPU
FFNet-54S TFLITE w8a8 Qualcomm® SA7255P 22.903 ms 1 - 204 MB NPU
FFNet-54S TFLITE w8a8 Qualcomm® SA8295P 13.192 ms 1 - 207 MB NPU
FFNet-54S TFLITE w8a8 Snapdragon® 8 Elite Mobile 4.439 ms 1 - 218 MB NPU
FFNet-54S TFLITE w8a8 Snapdragon® 8 Elite Gen 5 Mobile 3.229 ms 0 - 232 MB NPU
FFNet-54S TFLITE w8a8 Snapdragon® 7 Gen 4 Mobile 12.543 ms 0 - 219 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