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Segformer-Base

Image Segmentation
PyTorch
real_time
android
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Segformer-Base: Optimized for Qualcomm Devices

Segformer Base is a machine learning model that predicts masks and classes of objects in an image.

This is based on the implementation of Segformer-Base 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 w8a16 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 w8a16 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 Segformer-Base 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 Segformer-Base on GitHub for usage instructions.

Model Details

Model Type: Model_use_case.semantic_segmentation

Model Stats:

  • Model checkpoint: nvidia/segformer-b0-finetuned-ade-512-512
  • Input resolution: 512x512
  • Number of output classes: 150
  • Number of parameters: 3.75M
  • Model size (float): 14.4 MB
  • Model size (w8a16): 4.57 MB
  • Model size (w8a8): 3.90 MB

Performance Summary

Model Runtime Precision Chipset Inference Time (ms) Peak Memory Range (MB) Primary Compute Unit
Segformer-Base ONNX float Snapdragon® X2 Elite 13.539 ms 35 - 35 MB NPU
Segformer-Base ONNX float Snapdragon® X Elite 24.478 ms 35 - 35 MB NPU
Segformer-Base ONNX float Snapdragon® 8 Gen 3 Mobile 17.383 ms 24 - 241 MB NPU
Segformer-Base ONNX float Snapdragon® 8 Gen 1 Mobile 24.714 ms 23 - 244 MB NPU
Segformer-Base ONNX float Qualcomm® Dragonwing™ QCS8550 (Proxy) 23.675 ms 19 - 26 MB NPU
Segformer-Base ONNX float Qualcomm® QCS8450 24.714 ms 23 - 244 MB NPU
Segformer-Base ONNX float Qualcomm® Dragonwing™ IQ-9075 25.455 ms 23 - 26 MB NPU
Segformer-Base ONNX float Qualcomm® Dragonwing™ IQ-X7181 24.478 ms 35 - 35 MB NPU
Segformer-Base ONNX float Qualcomm® Dragonwing™ Q-8750 14.478 ms 20 - 207 MB NPU
Segformer-Base ONNX float Snapdragon® 8 Elite Mobile 14.478 ms 20 - 207 MB NPU
Segformer-Base ONNX float Snapdragon® 8 Elite Gen 5 Mobile 13.266 ms 22 - 213 MB NPU
Segformer-Base ONNX w8a16 Snapdragon® X2 Elite 5.622 ms 18 - 18 MB NPU
Segformer-Base ONNX w8a16 Snapdragon® X Elite 13.551 ms 17 - 17 MB NPU
Segformer-Base ONNX w8a16 Snapdragon® 8 Gen 3 Mobile 9.385 ms 13 - 246 MB NPU
Segformer-Base ONNX w8a16 Snapdragon® 8 Gen 1 Mobile 17.802 ms 11 - 244 MB NPU
Segformer-Base ONNX w8a16 Qualcomm® Dragonwing™ QCS6490 53.779 ms 12 - 14 MB NPU
Segformer-Base ONNX w8a16 Qualcomm® Dragonwing™ QCS8550 (Proxy) 13.349 ms 5 - 11 MB NPU
Segformer-Base ONNX w8a16 Qualcomm® QCS8450 17.802 ms 11 - 244 MB NPU
Segformer-Base ONNX w8a16 Qualcomm® Dragonwing™ IQ-9075 16.262 ms 12 - 15 MB NPU
Segformer-Base ONNX w8a16 Qualcomm® Dragonwing™ IQ-X7181 13.551 ms 17 - 17 MB NPU
Segformer-Base ONNX w8a16 Qualcomm® Dragonwing™ Q-8750 7.247 ms 13 - 216 MB NPU
Segformer-Base ONNX w8a16 Snapdragon® 8 Elite Mobile 7.247 ms 13 - 216 MB NPU
Segformer-Base ONNX w8a16 Snapdragon® 8 Elite Gen 5 Mobile 5.674 ms 12 - 217 MB NPU
Segformer-Base ONNX w8a8 Snapdragon® X2 Elite 1.945 ms 9 - 9 MB NPU
Segformer-Base ONNX w8a8 Snapdragon® X Elite 5.029 ms 5 - 5 MB NPU
Segformer-Base ONNX w8a8 Snapdragon® 8 Gen 3 Mobile 3.232 ms 0 - 215 MB NPU
Segformer-Base ONNX w8a8 Snapdragon® 8 Gen 1 Mobile 6.985 ms 6 - 222 MB NPU
Segformer-Base ONNX w8a8 Qualcomm® Dragonwing™ QCS6490 19.621 ms 9 - 12 MB NPU
Segformer-Base ONNX w8a8 Qualcomm® Dragonwing™ QCS8550 (Proxy) 4.758 ms 5 - 11 MB NPU
Segformer-Base ONNX w8a8 Qualcomm® QCS8450 6.985 ms 6 - 222 MB NPU
Segformer-Base ONNX w8a8 Qualcomm® Dragonwing™ IQ-9075 5.172 ms 6 - 9 MB NPU
Segformer-Base ONNX w8a8 Qualcomm® Dragonwing™ IQ-X7181 5.029 ms 5 - 5 MB NPU
Segformer-Base ONNX w8a8 Qualcomm® Dragonwing™ Q-8750 2.397 ms 0 - 192 MB NPU
Segformer-Base ONNX w8a8 Snapdragon® 8 Elite Mobile 2.397 ms 0 - 192 MB NPU
Segformer-Base ONNX w8a8 Snapdragon® 8 Elite Gen 5 Mobile 1.905 ms 0 - 194 MB NPU
Segformer-Base QNN_DLC float Snapdragon® X2 Elite 12.48 ms 3 - 3 MB NPU
Segformer-Base QNN_DLC float Snapdragon® X Elite 23.643 ms 3 - 3 MB NPU
Segformer-Base QNN_DLC float Snapdragon® 8 Gen 3 Mobile 16.369 ms 3 - 228 MB NPU
Segformer-Base QNN_DLC float Snapdragon® 8 Gen 1 Mobile 29.305 ms 3 - 226 MB NPU
Segformer-Base QNN_DLC float Qualcomm® Dragonwing™ QCS8275 48.868 ms 0 - 189 MB NPU
Segformer-Base QNN_DLC float Qualcomm® Dragonwing™ QCS8550 (Proxy) 22.616 ms 3 - 142 MB NPU
Segformer-Base QNN_DLC float Qualcomm® SA8775P 24.425 ms 1 - 193 MB NPU
Segformer-Base QNN_DLC float Qualcomm® SA8650P 24.425 ms 1 - 193 MB NPU
Segformer-Base QNN_DLC float Qualcomm® SA8255P 24.425 ms 1 - 193 MB NPU
Segformer-Base QNN_DLC float Qualcomm® QCS8450 29.305 ms 3 - 226 MB NPU
Segformer-Base QNN_DLC float Qualcomm® Dragonwing™ IQ-9075 25.204 ms 3 - 17 MB NPU
Segformer-Base QNN_DLC float Qualcomm® Dragonwing™ IQ-X7181 23.643 ms 3 - 3 MB NPU
Segformer-Base QNN_DLC float Qualcomm® Dragonwing™ Q-8750 13.368 ms 3 - 199 MB NPU
Segformer-Base QNN_DLC float Qualcomm® SA7255P 48.868 ms 0 - 189 MB NPU
Segformer-Base QNN_DLC float Qualcomm® SA8295P 27.858 ms 0 - 192 MB NPU
Segformer-Base QNN_DLC float Snapdragon® 8 Elite Mobile 13.368 ms 3 - 199 MB NPU
Segformer-Base QNN_DLC float Snapdragon® 8 Elite Gen 5 Mobile 13.672 ms 3 - 194 MB NPU
Segformer-Base QNN_DLC w8a16 Snapdragon® X2 Elite 8.904 ms 2 - 2 MB NPU
Segformer-Base QNN_DLC w8a16 Snapdragon® X Elite 19.623 ms 2 - 2 MB NPU
Segformer-Base QNN_DLC w8a16 Snapdragon® 8 Gen 3 Mobile 15.268 ms 0 - 240 MB NPU
Segformer-Base QNN_DLC w8a16 Qualcomm® Dragonwing™ QCS8275 32.328 ms 2 - 205 MB NPU
Segformer-Base QNN_DLC w8a16 Qualcomm® Dragonwing™ QCS8550 (Proxy) 20.24 ms 2 - 3 MB NPU
Segformer-Base QNN_DLC w8a16 Qualcomm® SA8775P 20.198 ms 2 - 206 MB NPU
Segformer-Base QNN_DLC w8a16 Qualcomm® SA8650P 20.198 ms 2 - 206 MB NPU
Segformer-Base QNN_DLC w8a16 Qualcomm® SA8255P 20.198 ms 2 - 206 MB NPU
Segformer-Base QNN_DLC w8a16 Qualcomm® Dragonwing™ IQ-9075 20.519 ms 1 - 9 MB NPU
Segformer-Base QNN_DLC w8a16 Qualcomm® Dragonwing™ IQ-X7181 19.623 ms 2 - 2 MB NPU
Segformer-Base QNN_DLC w8a16 Qualcomm® Dragonwing™ Q-6690 160.832 ms 2 - 256 MB NPU
Segformer-Base QNN_DLC w8a16 Qualcomm® Dragonwing™ Q-7790 33.905 ms 2 - 231 MB NPU
Segformer-Base QNN_DLC w8a16 Qualcomm® Dragonwing™ Q-8750 11.229 ms 2 - 208 MB NPU
Segformer-Base QNN_DLC w8a16 Qualcomm® SA7255P 32.328 ms 2 - 205 MB NPU
Segformer-Base QNN_DLC w8a16 Snapdragon® 8 Elite Mobile 11.229 ms 2 - 208 MB NPU
Segformer-Base QNN_DLC w8a16 Snapdragon® 8 Elite Gen 5 Mobile 9.787 ms 2 - 218 MB NPU
Segformer-Base QNN_DLC w8a16 Snapdragon® 7 Gen 4 Mobile 33.905 ms 2 - 231 MB NPU
Segformer-Base QNN_DLC w8a8 Snapdragon® X2 Elite 2.592 ms 1 - 1 MB NPU
Segformer-Base QNN_DLC w8a8 Snapdragon® X Elite 6.373 ms 1 - 1 MB NPU
Segformer-Base QNN_DLC w8a8 Snapdragon® 8 Gen 3 Mobile 3.946 ms 0 - 198 MB NPU
Segformer-Base QNN_DLC w8a8 Snapdragon® 8 Gen 1 Mobile 8.734 ms 0 - 200 MB NPU
Segformer-Base QNN_DLC w8a8 Qualcomm® Dragonwing™ QCS6490 21.823 ms 1 - 6 MB NPU
Segformer-Base QNN_DLC w8a8 Qualcomm® Dragonwing™ QCS8275 10.861 ms 1 - 174 MB NPU
Segformer-Base QNN_DLC w8a8 Qualcomm® Dragonwing™ QCS8550 (Proxy) 5.783 ms 1 - 22 MB NPU
Segformer-Base QNN_DLC w8a8 Qualcomm® SA8775P 6.406 ms 1 - 174 MB NPU
Segformer-Base QNN_DLC w8a8 Qualcomm® SA8650P 6.406 ms 1 - 174 MB NPU
Segformer-Base QNN_DLC w8a8 Qualcomm® SA8255P 6.406 ms 1 - 174 MB NPU
Segformer-Base QNN_DLC w8a8 Qualcomm® QCS8450 8.734 ms 0 - 200 MB NPU
Segformer-Base QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-9075 6.14 ms 1 - 5 MB NPU
Segformer-Base QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-X7181 6.373 ms 1 - 1 MB NPU
Segformer-Base QNN_DLC w8a8 Qualcomm® Dragonwing™ Q-6690 36.986 ms 1 - 189 MB NPU
Segformer-Base QNN_DLC w8a8 Qualcomm® Dragonwing™ Q-7790 6.854 ms 1 - 182 MB NPU
Segformer-Base QNN_DLC w8a8 Qualcomm® Dragonwing™ Q-8750 2.84 ms 0 - 175 MB NPU
Segformer-Base QNN_DLC w8a8 Qualcomm® SA7255P 10.861 ms 1 - 174 MB NPU
Segformer-Base QNN_DLC w8a8 Qualcomm® SA8295P 7.786 ms 1 - 173 MB NPU
Segformer-Base QNN_DLC w8a8 Snapdragon® 8 Elite Mobile 2.84 ms 0 - 175 MB NPU
Segformer-Base QNN_DLC w8a8 Snapdragon® 8 Elite Gen 5 Mobile 2.248 ms 1 - 183 MB NPU
Segformer-Base QNN_DLC w8a8 Snapdragon® 7 Gen 4 Mobile 6.854 ms 1 - 182 MB NPU
Segformer-Base TFLITE float Snapdragon® 8 Gen 3 Mobile 16.466 ms 8 - 236 MB NPU
Segformer-Base TFLITE float Snapdragon® 8 Gen 1 Mobile 29.225 ms 10 - 234 MB NPU
Segformer-Base TFLITE float Qualcomm® Dragonwing™ QCS8275 48.924 ms 10 - 200 MB NPU
Segformer-Base TFLITE float Qualcomm® Dragonwing™ QCS8550 (Proxy) 22.59 ms 9 - 126 MB NPU
Segformer-Base TFLITE float Qualcomm® SA8775P 24.483 ms 10 - 202 MB NPU
Segformer-Base TFLITE float Qualcomm® SA8650P 24.483 ms 10 - 202 MB NPU
Segformer-Base TFLITE float Qualcomm® SA8255P 24.483 ms 10 - 202 MB NPU
Segformer-Base TFLITE float Qualcomm® QCS8450 29.225 ms 10 - 234 MB NPU
Segformer-Base TFLITE float Qualcomm® Dragonwing™ IQ-9075 27.443 ms 8 - 30 MB NPU
Segformer-Base TFLITE float Qualcomm® Dragonwing™ Q-8750 13.252 ms 9 - 204 MB NPU
Segformer-Base TFLITE float Qualcomm® SA7255P 48.924 ms 10 - 200 MB NPU
Segformer-Base TFLITE float Qualcomm® SA8295P 27.815 ms 10 - 202 MB NPU
Segformer-Base TFLITE float Snapdragon® 8 Elite Mobile 13.252 ms 9 - 204 MB NPU
Segformer-Base TFLITE float Snapdragon® 8 Elite Gen 5 Mobile 13.686 ms 8 - 200 MB NPU
Segformer-Base TFLITE w8a8 Snapdragon® 8 Gen 3 Mobile 7.103 ms 1 - 209 MB NPU
Segformer-Base TFLITE w8a8 Snapdragon® 8 Gen 1 Mobile 12.075 ms 2 - 211 MB NPU
Segformer-Base TFLITE w8a8 Qualcomm® Dragonwing™ QCS6490 142.361 ms 15 - 50 MB NPU
Segformer-Base TFLITE w8a8 Qualcomm® Dragonwing™ QCS8275 18.262 ms 2 - 178 MB NPU
Segformer-Base TFLITE w8a8 Qualcomm® Dragonwing™ QCS8550 (Proxy) 10.24 ms 2 - 5 MB NPU
Segformer-Base TFLITE w8a8 Qualcomm® SA8775P 10.899 ms 2 - 184 MB NPU
Segformer-Base TFLITE w8a8 Qualcomm® SA8650P 10.899 ms 2 - 184 MB NPU
Segformer-Base TFLITE w8a8 Qualcomm® SA8255P 10.899 ms 2 - 184 MB NPU
Segformer-Base TFLITE w8a8 Qualcomm® QCS8450 12.075 ms 2 - 211 MB NPU
Segformer-Base TFLITE w8a8 Qualcomm® Dragonwing™ IQ-9075 14.55 ms 2 - 12 MB NPU
Segformer-Base TFLITE w8a8 Qualcomm® Dragonwing™ Q-6690 95.681 ms 15 - 188 MB NPU
Segformer-Base TFLITE w8a8 Qualcomm® Dragonwing™ Q-7790 38.879 ms 15 - 73 MB NPU
Segformer-Base TFLITE w8a8 Qualcomm® Dragonwing™ Q-8750 5.707 ms 1 - 177 MB NPU
Segformer-Base TFLITE w8a8 Qualcomm® SA7255P 18.262 ms 2 - 178 MB NPU
Segformer-Base TFLITE w8a8 Qualcomm® SA8295P 12.854 ms 2 - 184 MB NPU
Segformer-Base TFLITE w8a8 Snapdragon® 8 Elite Mobile 5.707 ms 1 - 177 MB NPU
Segformer-Base TFLITE w8a8 Snapdragon® 8 Elite Gen 5 Mobile 4.549 ms 2 - 182 MB NPU
Segformer-Base TFLITE w8a8 Snapdragon® 7 Gen 4 Mobile 38.879 ms 15 - 73 MB NPU

License

  • The license for the original implementation of Segformer-Base can be found here.

References

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