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FFNet-122NS-LowRes

Image Segmentation
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FFNet-122NS-LowRes: Optimized for Qualcomm Devices

FFNet-122NS-LowRes 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-122NS-LowRes 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-122NS-LowRes 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-122NS-LowRes on GitHub for usage instructions.

Model Details

Model Type: Model_use_case.semantic_segmentation

Model Stats:

  • Model checkpoint: ffnet122NS_CCC_cityscapes_state_dict_quarts_pre_down
  • Input resolution: 1024x512
  • Number of output classes: 19
  • Number of parameters: 32.1M
  • Model size (float): 123 MB
  • Model size (w8a8): 31.3 MB

Performance Summary

Model Runtime Precision Chipset Inference Time (ms) Peak Memory Range (MB) Primary Compute Unit
FFNet-122NS-LowRes ONNX float Snapdragon® X2 Elite 7.361 ms 10 - 10 MB NPU
FFNet-122NS-LowRes ONNX float Snapdragon® X Elite 14.887 ms 57 - 57 MB NPU
FFNet-122NS-LowRes ONNX float Snapdragon® 8 Gen 3 Mobile 11.179 ms 3 - 250 MB NPU
FFNet-122NS-LowRes ONNX float Snapdragon® 8 Gen 1 Mobile 26.752 ms 1 - 232 MB NPU
FFNet-122NS-LowRes ONNX float Qualcomm® Dragonwing™ QCS8550 (Proxy) 14.85 ms 0 - 86 MB NPU
FFNet-122NS-LowRes ONNX float Qualcomm® QCS8450 26.752 ms 1 - 232 MB NPU
FFNet-122NS-LowRes ONNX float Qualcomm® Dragonwing™ IQ-9075 26.221 ms 6 - 15 MB NPU
FFNet-122NS-LowRes ONNX float Qualcomm® Dragonwing™ IQ-X7181 14.887 ms 57 - 57 MB NPU
FFNet-122NS-LowRes ONNX float Qualcomm® Dragonwing™ Q-8750 9.877 ms 7 - 195 MB NPU
FFNet-122NS-LowRes ONNX float Snapdragon® 8 Elite Mobile 9.877 ms 7 - 195 MB NPU
FFNet-122NS-LowRes ONNX float Snapdragon® 8 Elite Gen 5 Mobile 5.998 ms 5 - 194 MB NPU
FFNet-122NS-LowRes ONNX w8a8 Snapdragon® X2 Elite 2.011 ms 4 - 4 MB NPU
FFNet-122NS-LowRes ONNX w8a8 Snapdragon® X Elite 4.497 ms 31 - 31 MB NPU
FFNet-122NS-LowRes ONNX w8a8 Snapdragon® 8 Gen 3 Mobile 3.003 ms 0 - 292 MB NPU
FFNet-122NS-LowRes ONNX w8a8 Snapdragon® 8 Gen 1 Mobile 6.166 ms 3 - 297 MB NPU
FFNet-122NS-LowRes ONNX w8a8 Qualcomm® Dragonwing™ QCS6490 26.244 ms 2 - 5 MB NPU
FFNet-122NS-LowRes ONNX w8a8 Qualcomm® Dragonwing™ QCS8550 (Proxy) 4.288 ms 0 - 33 MB NPU
FFNet-122NS-LowRes ONNX w8a8 Qualcomm® QCS8450 6.166 ms 3 - 297 MB NPU
FFNet-122NS-LowRes ONNX w8a8 Qualcomm® Dragonwing™ IQ-9075 4.512 ms 2 - 5 MB NPU
FFNet-122NS-LowRes ONNX w8a8 Qualcomm® Dragonwing™ IQ-X7181 4.497 ms 31 - 31 MB NPU
FFNet-122NS-LowRes ONNX w8a8 Qualcomm® Dragonwing™ Q-8750 2.358 ms 0 - 218 MB NPU
FFNet-122NS-LowRes ONNX w8a8 Snapdragon® 8 Elite Mobile 2.358 ms 0 - 218 MB NPU
FFNet-122NS-LowRes ONNX w8a8 Snapdragon® 8 Elite Gen 5 Mobile 1.789 ms 1 - 226 MB NPU
FFNet-122NS-LowRes QNN_DLC float Snapdragon® X2 Elite 8.09 ms 6 - 6 MB NPU
FFNet-122NS-LowRes QNN_DLC float Snapdragon® X Elite 17.298 ms 6 - 6 MB NPU
FFNet-122NS-LowRes QNN_DLC float Snapdragon® 8 Gen 3 Mobile 11.519 ms 6 - 239 MB NPU
FFNet-122NS-LowRes QNN_DLC float Snapdragon® 8 Gen 1 Mobile 31.441 ms 6 - 231 MB NPU
FFNet-122NS-LowRes QNN_DLC float Qualcomm® Dragonwing™ QCS8275 89.206 ms 0 - 182 MB NPU
FFNet-122NS-LowRes QNN_DLC float Qualcomm® Dragonwing™ QCS8550 (Proxy) 16.589 ms 6 - 8 MB NPU
FFNet-122NS-LowRes QNN_DLC float Qualcomm® SA8775P 25.881 ms 1 - 183 MB NPU
FFNet-122NS-LowRes QNN_DLC float Qualcomm® SA8650P 25.881 ms 1 - 183 MB NPU
FFNet-122NS-LowRes QNN_DLC float Qualcomm® SA8255P 25.881 ms 1 - 183 MB NPU
FFNet-122NS-LowRes QNN_DLC float Qualcomm® QCS8450 31.441 ms 6 - 231 MB NPU
FFNet-122NS-LowRes QNN_DLC float Qualcomm® Dragonwing™ IQ-9075 25.763 ms 6 - 16 MB NPU
FFNet-122NS-LowRes QNN_DLC float Qualcomm® Dragonwing™ IQ-X7181 17.298 ms 6 - 6 MB NPU
FFNet-122NS-LowRes QNN_DLC float Qualcomm® Dragonwing™ Q-8750 8.37 ms 6 - 194 MB NPU
FFNet-122NS-LowRes QNN_DLC float Qualcomm® SA7255P 89.206 ms 0 - 182 MB NPU
FFNet-122NS-LowRes QNN_DLC float Qualcomm® SA8295P 27.693 ms 0 - 176 MB NPU
FFNet-122NS-LowRes QNN_DLC float Snapdragon® 8 Elite Mobile 8.37 ms 6 - 194 MB NPU
FFNet-122NS-LowRes QNN_DLC float Snapdragon® 8 Elite Gen 5 Mobile 6.281 ms 6 - 203 MB NPU
FFNet-122NS-LowRes QNN_DLC w8a8 Snapdragon® X2 Elite 3.51 ms 2 - 2 MB NPU
FFNet-122NS-LowRes QNN_DLC w8a8 Snapdragon® X Elite 6.272 ms 2 - 2 MB NPU
FFNet-122NS-LowRes QNN_DLC w8a8 Snapdragon® 8 Gen 3 Mobile 4.049 ms 2 - 159 MB NPU
FFNet-122NS-LowRes QNN_DLC w8a8 Snapdragon® 8 Gen 1 Mobile 7.154 ms 2 - 158 MB NPU
FFNet-122NS-LowRes QNN_DLC w8a8 Qualcomm® Dragonwing™ QCS6490 24.864 ms 2 - 5 MB NPU
FFNet-122NS-LowRes QNN_DLC w8a8 Qualcomm® Dragonwing™ QCS8275 15.68 ms 2 - 99 MB NPU
FFNet-122NS-LowRes QNN_DLC w8a8 Qualcomm® Dragonwing™ QCS8550 (Proxy) 5.764 ms 2 - 148 MB NPU
FFNet-122NS-LowRes QNN_DLC w8a8 Qualcomm® SA8775P 6.241 ms 2 - 101 MB NPU
FFNet-122NS-LowRes QNN_DLC w8a8 Qualcomm® SA8650P 6.241 ms 2 - 101 MB NPU
FFNet-122NS-LowRes QNN_DLC w8a8 Qualcomm® SA8255P 6.241 ms 2 - 101 MB NPU
FFNet-122NS-LowRes QNN_DLC w8a8 Qualcomm® QCS8450 7.154 ms 2 - 158 MB NPU
FFNet-122NS-LowRes QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-9075 5.982 ms 1 - 5 MB NPU
FFNet-122NS-LowRes QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-X7181 6.272 ms 2 - 2 MB NPU
FFNet-122NS-LowRes QNN_DLC w8a8 Qualcomm® Dragonwing™ Q-6690 76.412 ms 19 - 227 MB NPU
FFNet-122NS-LowRes QNN_DLC w8a8 Qualcomm® Dragonwing™ Q-7790 10.869 ms 2 - 220 MB NPU
FFNet-122NS-LowRes QNN_DLC w8a8 Qualcomm® Dragonwing™ Q-8750 2.862 ms 0 - 206 MB NPU
FFNet-122NS-LowRes QNN_DLC w8a8 Qualcomm® SA7255P 15.68 ms 2 - 99 MB NPU
FFNet-122NS-LowRes QNN_DLC w8a8 Qualcomm® SA8295P 9.193 ms 1 - 97 MB NPU
FFNet-122NS-LowRes QNN_DLC w8a8 Snapdragon® 8 Elite Mobile 2.862 ms 0 - 206 MB NPU
FFNet-122NS-LowRes QNN_DLC w8a8 Snapdragon® 8 Elite Gen 5 Mobile 2.19 ms 1 - 216 MB NPU
FFNet-122NS-LowRes QNN_DLC w8a8 Snapdragon® 7 Gen 4 Mobile 10.869 ms 2 - 220 MB NPU
FFNet-122NS-LowRes TFLITE float Snapdragon® 8 Gen 3 Mobile 11.557 ms 0 - 312 MB NPU
FFNet-122NS-LowRes TFLITE float Snapdragon® 8 Gen 1 Mobile 31.535 ms 3 - 302 MB NPU
FFNet-122NS-LowRes TFLITE float Qualcomm® Dragonwing™ QCS8275 89.264 ms 3 - 216 MB NPU
FFNet-122NS-LowRes TFLITE float Qualcomm® Dragonwing™ QCS8550 (Proxy) 16.582 ms 2 - 5 MB NPU
FFNet-122NS-LowRes TFLITE float Qualcomm® SA8775P 25.92 ms 2 - 217 MB NPU
FFNet-122NS-LowRes TFLITE float Qualcomm® SA8650P 25.92 ms 2 - 217 MB NPU
FFNet-122NS-LowRes TFLITE float Qualcomm® SA8255P 25.92 ms 2 - 217 MB NPU
FFNet-122NS-LowRes TFLITE float Qualcomm® QCS8450 31.535 ms 3 - 302 MB NPU
FFNet-122NS-LowRes TFLITE float Qualcomm® Dragonwing™ IQ-9075 25.718 ms 0 - 73 MB NPU
FFNet-122NS-LowRes TFLITE float Qualcomm® Dragonwing™ Q-8750 8.361 ms 2 - 225 MB NPU
FFNet-122NS-LowRes TFLITE float Qualcomm® SA7255P 89.264 ms 3 - 216 MB NPU
FFNet-122NS-LowRes TFLITE float Qualcomm® SA8295P 27.732 ms 2 - 210 MB NPU
FFNet-122NS-LowRes TFLITE float Snapdragon® 8 Elite Mobile 8.361 ms 2 - 225 MB NPU
FFNet-122NS-LowRes TFLITE float Snapdragon® 8 Elite Gen 5 Mobile 6.265 ms 1 - 229 MB NPU
FFNet-122NS-LowRes TFLITE w8a8 Snapdragon® 8 Gen 3 Mobile 2.772 ms 0 - 162 MB NPU
FFNet-122NS-LowRes TFLITE w8a8 Snapdragon® 8 Gen 1 Mobile 5.218 ms 1 - 164 MB NPU
FFNet-122NS-LowRes TFLITE w8a8 Qualcomm® Dragonwing™ QCS6490 20.199 ms 1 - 36 MB NPU
FFNet-122NS-LowRes TFLITE w8a8 Qualcomm® Dragonwing™ QCS8275 12.475 ms 1 - 94 MB NPU
FFNet-122NS-LowRes TFLITE w8a8 Qualcomm® Dragonwing™ QCS8550 (Proxy) 3.824 ms 1 - 3 MB NPU
FFNet-122NS-LowRes TFLITE w8a8 Qualcomm® SA8775P 4.334 ms 1 - 97 MB NPU
FFNet-122NS-LowRes TFLITE w8a8 Qualcomm® SA8650P 4.334 ms 1 - 97 MB NPU
FFNet-122NS-LowRes TFLITE w8a8 Qualcomm® SA8255P 4.334 ms 1 - 97 MB NPU
FFNet-122NS-LowRes TFLITE w8a8 Qualcomm® QCS8450 5.218 ms 1 - 164 MB NPU
FFNet-122NS-LowRes TFLITE w8a8 Qualcomm® Dragonwing™ IQ-9075 4.097 ms 0 - 35 MB NPU
FFNet-122NS-LowRes TFLITE w8a8 Qualcomm® Dragonwing™ Q-6690 71.716 ms 1 - 207 MB NPU
FFNet-122NS-LowRes TFLITE w8a8 Qualcomm® Dragonwing™ Q-7790 9.022 ms 1 - 214 MB NPU
FFNet-122NS-LowRes TFLITE w8a8 Qualcomm® Dragonwing™ Q-8750 2.098 ms 0 - 204 MB NPU
FFNet-122NS-LowRes TFLITE w8a8 Qualcomm® SA7255P 12.475 ms 1 - 94 MB NPU
FFNet-122NS-LowRes TFLITE w8a8 Qualcomm® SA8295P 7.059 ms 1 - 92 MB NPU
FFNet-122NS-LowRes TFLITE w8a8 Snapdragon® 8 Elite Mobile 2.098 ms 0 - 204 MB NPU
FFNet-122NS-LowRes TFLITE w8a8 Snapdragon® 8 Elite Gen 5 Mobile 1.582 ms 0 - 211 MB NPU
FFNet-122NS-LowRes TFLITE w8a8 Snapdragon® 7 Gen 4 Mobile 9.022 ms 1 - 214 MB NPU

License

  • The license for the original implementation of FFNet-122NS-LowRes can be found here.

References

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Paper for qualcomm/FFNet-122NS-LowRes