SINet: Optimized for Qualcomm Devices
SINet is a machine learning model that is designed to segment people from close-up portrait images in real time.
This is based on the implementation of SINet 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 2.42, ONNX Runtime 1.24.3 | Download |
| ONNX | w8a16 | Universal | QAIRT 2.42, ONNX Runtime 1.24.3 | Download |
| ONNX | w8a8 | Universal | QAIRT 2.42, ONNX Runtime 1.24.3 | 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 SINet 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 SINet on GitHub for usage instructions.
Model Details
Model Type: Model_use_case.semantic_segmentation
Model Stats:
- Model checkpoint: SINet.pth
- Input resolution: 224x224
- Number of output classes: 2 (foreground / background)
- Number of parameters: 91.9K
- Model size (float): 415 KB
- Model size (w8a8): 241 KB
Performance Summary
| Model | Runtime | Precision | Chipset | Inference Time (ms) | Peak Memory Range (MB) | Primary Compute Unit |
|---|---|---|---|---|---|---|
| SINet | ONNX | float | Snapdragon® 8 Elite Gen 5 Mobile | 0.706 ms | 0 - 40 MB | NPU |
| SINet | ONNX | float | Snapdragon® 8 Elite Mobile | 0.855 ms | 0 - 30 MB | NPU |
| SINet | ONNX | float | Snapdragon® X2 Elite | 0.766 ms | 0 - 0 MB | NPU |
| SINet | ONNX | float | Snapdragon® X Elite | 1.927 ms | 2 - 2 MB | NPU |
| SINet | ONNX | float | Snapdragon® X Elite | 1.927 ms | 2 - 2 MB | NPU |
| SINet | ONNX | float | Snapdragon® 8 Gen 3 Mobile | 1.109 ms | 0 - 46 MB | NPU |
| SINet | ONNX | float | Qualcomm® QCS8550 (Proxy) | 1.692 ms | 1 - 3 MB | NPU |
| SINet | ONNX | float | Snapdragon® 8 Elite For Galaxy Mobile | 0.855 ms | 0 - 30 MB | NPU |
| SINet | ONNX | float | Qualcomm® QCS9075 | 2.136 ms | 2 - 5 MB | NPU |
| SINet | ONNX | w8a16 | Snapdragon® 8 Elite Gen 5 Mobile | 0.891 ms | 0 - 46 MB | NPU |
| SINet | ONNX | w8a16 | Snapdragon® 8 Elite Mobile | 1.038 ms | 0 - 46 MB | NPU |
| SINet | ONNX | w8a16 | Snapdragon® X2 Elite | 1.348 ms | 0 - 0 MB | NPU |
| SINet | ONNX | w8a16 | Snapdragon® X Elite | 2.247 ms | 1 - 1 MB | NPU |
| SINet | ONNX | w8a16 | Snapdragon® X Elite | 2.247 ms | 1 - 1 MB | NPU |
| SINet | ONNX | w8a16 | Snapdragon® 8 Gen 3 Mobile | 1.307 ms | 0 - 53 MB | NPU |
| SINet | ONNX | w8a16 | Qualcomm® QCS6490 | 50.956 ms | 12 - 15 MB | CPU |
| SINet | ONNX | w8a16 | Qualcomm® QCS8550 (Proxy) | 1.962 ms | 0 - 4 MB | NPU |
| SINet | ONNX | w8a16 | Snapdragon® 7 Gen 4 Mobile | 13.709 ms | 20 - 29 MB | CPU |
| SINet | ONNX | w8a16 | Qualcomm® QCS9075 | 2.243 ms | 0 - 3 MB | NPU |
| SINet | ONNX | w8a16 | Snapdragon® 8 Elite For Galaxy Mobile | 1.038 ms | 0 - 46 MB | NPU |
| SINet | ONNX | w8a16 | Qualcomm® QCM6690 | 19.873 ms | 21 - 30 MB | CPU |
| SINet | ONNX | w8a16 | Snapdragon® 7 Gen 4 Mobile | 13.709 ms | 20 - 29 MB | CPU |
| SINet | ONNX | w8a8 | Snapdragon® 8 Elite Gen 5 Mobile | 3.391 ms | 0 - 37 MB | NPU |
| SINet | ONNX | w8a8 | Snapdragon® 8 Elite Mobile | 3.432 ms | 0 - 35 MB | NPU |
| SINet | ONNX | w8a8 | Snapdragon® X2 Elite | 3.414 ms | 7 - 7 MB | NPU |
| SINet | ONNX | w8a8 | Snapdragon® X Elite | 43.853 ms | 7 - 7 MB | NPU |
| SINet | ONNX | w8a8 | Snapdragon® X Elite | 43.853 ms | 7 - 7 MB | NPU |
| SINet | ONNX | w8a8 | Snapdragon® 8 Gen 3 Mobile | 4.169 ms | 6 - 60 MB | NPU |
| SINet | ONNX | w8a8 | Qualcomm® QCS6490 | 38.056 ms | 7 - 11 MB | CPU |
| SINet | ONNX | w8a8 | Snapdragon® 7 Gen 4 Mobile | 11.255 ms | 7 - 16 MB | CPU |
| SINet | ONNX | w8a8 | Snapdragon® 8 Elite For Galaxy Mobile | 3.432 ms | 0 - 35 MB | NPU |
| SINet | ONNX | w8a8 | Qualcomm® QCM6690 | 15.676 ms | 7 - 15 MB | CPU |
| SINet | ONNX | w8a8 | Snapdragon® 7 Gen 4 Mobile | 11.255 ms | 7 - 16 MB | CPU |
| SINet | QNN_DLC | float | Snapdragon® 8 Elite Gen 5 Mobile | 1.124 ms | 1 - 38 MB | NPU |
| SINet | QNN_DLC | float | Snapdragon® 8 Elite Mobile | 1.808 ms | 0 - 37 MB | NPU |
| SINet | QNN_DLC | float | Snapdragon® X2 Elite | 1.422 ms | 1 - 1 MB | NPU |
| SINet | QNN_DLC | float | Snapdragon® X Elite | 3.821 ms | 1 - 1 MB | NPU |
| SINet | QNN_DLC | float | Snapdragon® X Elite | 3.821 ms | 1 - 1 MB | NPU |
| SINet | QNN_DLC | float | Snapdragon® 8 Gen 3 Mobile | 2.109 ms | 0 - 47 MB | NPU |
| SINet | QNN_DLC | float | Qualcomm® QCS8550 (Proxy) | 3.43 ms | 1 - 2 MB | NPU |
| SINet | QNN_DLC | float | Qualcomm® SA8775P | 3.927 ms | 1 - 36 MB | NPU |
| SINet | QNN_DLC | float | Qualcomm® SA8775P | 3.927 ms | 1 - 36 MB | NPU |
| SINet | QNN_DLC | float | Qualcomm® SA8775P | 3.927 ms | 1 - 36 MB | NPU |
| SINet | QNN_DLC | float | Qualcomm® QCS8450 (Proxy) | 3.76 ms | 0 - 52 MB | NPU |
| SINet | QNN_DLC | float | Qualcomm® SA7255P | 6.652 ms | 1 - 34 MB | NPU |
| SINet | QNN_DLC | float | Snapdragon® 8 Elite For Galaxy Mobile | 1.808 ms | 0 - 37 MB | NPU |
| SINet | QNN_DLC | float | Qualcomm® SA8295P | 4.656 ms | 0 - 35 MB | NPU |
| SINet | QNN_DLC | float | Qualcomm® QCS9075 | 3.829 ms | 3 - 6 MB | NPU |
| SINet | QNN_DLC | w8a16 | Snapdragon® 8 Elite Gen 5 Mobile | 3.2 ms | 0 - 42 MB | NPU |
| SINet | QNN_DLC | w8a16 | Snapdragon® 8 Elite Mobile | 3.437 ms | 0 - 41 MB | NPU |
| SINet | QNN_DLC | w8a16 | Snapdragon® X2 Elite | 3.526 ms | 0 - 0 MB | NPU |
| SINet | QNN_DLC | w8a16 | Snapdragon® X Elite | 7.09 ms | 0 - 0 MB | NPU |
| SINet | QNN_DLC | w8a16 | Snapdragon® X Elite | 7.09 ms | 0 - 0 MB | NPU |
| SINet | QNN_DLC | w8a16 | Snapdragon® 8 Gen 3 Mobile | 4.072 ms | 0 - 49 MB | NPU |
| SINet | QNN_DLC | w8a16 | Qualcomm® QCS8550 (Proxy) | 6.579 ms | 0 - 34 MB | NPU |
| SINet | QNN_DLC | w8a16 | Qualcomm® SA8775P | 7.052 ms | 0 - 40 MB | NPU |
| SINet | QNN_DLC | w8a16 | Qualcomm® SA8775P | 7.052 ms | 0 - 40 MB | NPU |
| SINet | QNN_DLC | w8a16 | Qualcomm® SA8775P | 7.052 ms | 0 - 40 MB | NPU |
| SINet | QNN_DLC | w8a16 | Qualcomm® QCS8450 (Proxy) | 7.173 ms | 0 - 52 MB | NPU |
| SINet | QNN_DLC | w8a16 | Qualcomm® QCS9075 | 6.825 ms | 2 - 5 MB | NPU |
| SINet | QNN_DLC | w8a16 | Qualcomm® SA7255P | 10.812 ms | 0 - 37 MB | NPU |
| SINet | QNN_DLC | w8a16 | Snapdragon® 8 Elite For Galaxy Mobile | 3.437 ms | 0 - 41 MB | NPU |
| SINet | QNN_DLC | w8a16 | Qualcomm® SA8295P | 8.169 ms | 0 - 38 MB | NPU |
| SINet | QNN_DLC | w8a8 | Snapdragon® 8 Elite Gen 5 Mobile | 2.137 ms | 0 - 40 MB | NPU |
| SINet | QNN_DLC | w8a8 | Snapdragon® 8 Elite Mobile | 2.355 ms | 0 - 36 MB | NPU |
| SINet | QNN_DLC | w8a8 | Snapdragon® X2 Elite | 2.324 ms | 0 - 0 MB | NPU |
| SINet | QNN_DLC | w8a8 | Snapdragon® X Elite | 4.911 ms | 0 - 0 MB | NPU |
| SINet | QNN_DLC | w8a8 | Snapdragon® X Elite | 4.911 ms | 0 - 0 MB | NPU |
| SINet | QNN_DLC | w8a8 | Snapdragon® 8 Gen 3 Mobile | 3.01 ms | 0 - 47 MB | NPU |
| SINet | QNN_DLC | w8a8 | Qualcomm® QCS8550 (Proxy) | 4.497 ms | 0 - 10 MB | NPU |
| SINet | QNN_DLC | w8a8 | Qualcomm® SA8775P | 4.838 ms | 0 - 39 MB | NPU |
| SINet | QNN_DLC | w8a8 | Qualcomm® SA8775P | 4.838 ms | 0 - 39 MB | NPU |
| SINet | QNN_DLC | w8a8 | Qualcomm® SA8775P | 4.838 ms | 0 - 39 MB | NPU |
| SINet | QNN_DLC | w8a8 | Qualcomm® QCS8450 (Proxy) | 4.631 ms | 0 - 49 MB | NPU |
| SINet | QNN_DLC | w8a8 | Snapdragon® 8 Elite For Galaxy Mobile | 2.355 ms | 0 - 36 MB | NPU |
| SINet | QNN_DLC | w8a8 | Qualcomm® SA7255P | 8.014 ms | 0 - 36 MB | NPU |
| SINet | QNN_DLC | w8a8 | Qualcomm® SA8295P | 5.22 ms | 0 - 35 MB | NPU |
| SINet | QNN_DLC | w8a8 | Qualcomm® QCS9075 | 4.443 ms | 0 - 2 MB | NPU |
| SINet | TFLITE | float | Snapdragon® 8 Elite Gen 5 Mobile | 1.131 ms | 0 - 39 MB | NPU |
| SINet | TFLITE | float | Snapdragon® 8 Elite Mobile | 1.806 ms | 0 - 36 MB | NPU |
| SINet | TFLITE | float | Snapdragon® 8 Gen 3 Mobile | 2.112 ms | 0 - 45 MB | NPU |
| SINet | TFLITE | float | Qualcomm® QCS8550 (Proxy) | 3.391 ms | 0 - 2 MB | NPU |
| SINet | TFLITE | float | Qualcomm® SA8775P | 3.921 ms | 0 - 36 MB | NPU |
| SINet | TFLITE | float | Qualcomm® SA8775P | 3.921 ms | 0 - 36 MB | NPU |
| SINet | TFLITE | float | Qualcomm® SA8775P | 3.921 ms | 0 - 36 MB | NPU |
| SINet | TFLITE | float | Qualcomm® QCS8450 (Proxy) | 3.79 ms | 0 - 50 MB | NPU |
| SINet | TFLITE | float | Qualcomm® SA7255P | 6.668 ms | 1 - 34 MB | NPU |
| SINet | TFLITE | float | Snapdragon® 8 Elite For Galaxy Mobile | 1.806 ms | 0 - 36 MB | NPU |
| SINet | TFLITE | float | Qualcomm® SA8295P | 4.66 ms | 1 - 35 MB | NPU |
| SINet | TFLITE | float | Qualcomm® QCS9075 | 3.845 ms | 1 - 4 MB | NPU |
| SINet | TFLITE | w8a8 | Snapdragon® 8 Elite Gen 5 Mobile | 2.119 ms | 0 - 39 MB | NPU |
| SINet | TFLITE | w8a8 | Snapdragon® 8 Elite Mobile | 2.378 ms | 0 - 34 MB | NPU |
| SINet | TFLITE | w8a8 | Snapdragon® 8 Gen 3 Mobile | 2.787 ms | 0 - 45 MB | NPU |
| SINet | TFLITE | w8a8 | Qualcomm® QCS6490 | 27.707 ms | 0 - 13 MB | NPU |
| SINet | TFLITE | w8a8 | Qualcomm® QCS8550 (Proxy) | 4.163 ms | 0 - 30 MB | NPU |
| SINet | TFLITE | w8a8 | Qualcomm® SA8775P | 4.561 ms | 0 - 39 MB | NPU |
| SINet | TFLITE | w8a8 | Qualcomm® SA8775P | 4.561 ms | 0 - 39 MB | NPU |
| SINet | TFLITE | w8a8 | Qualcomm® SA8775P | 4.561 ms | 0 - 39 MB | NPU |
| SINet | TFLITE | w8a8 | Qualcomm® QCS8450 (Proxy) | 4.282 ms | 0 - 47 MB | NPU |
| SINet | TFLITE | w8a8 | Snapdragon® 7 Gen 4 Mobile | 8.575 ms | 0 - 30 MB | NPU |
| SINet | TFLITE | w8a8 | Snapdragon® 8 Elite For Galaxy Mobile | 2.378 ms | 0 - 34 MB | NPU |
| SINet | TFLITE | w8a8 | Qualcomm® SA7255P | 7.489 ms | 0 - 35 MB | NPU |
| SINet | TFLITE | w8a8 | Qualcomm® QCM6690 | 17.291 ms | 0 - 30 MB | NPU |
| SINet | TFLITE | w8a8 | Qualcomm® SA8295P | 5.028 ms | 0 - 34 MB | NPU |
| SINet | TFLITE | w8a8 | Qualcomm® QCS9075 | 4.393 ms | 0 - 3 MB | NPU |
| SINet | TFLITE | w8a8 | Snapdragon® 7 Gen 4 Mobile | 8.575 ms | 0 - 30 MB | NPU |
License
- The license for the original implementation of SINet can be found here.
References
- SINet: Extreme Lightweight Portrait Segmentation Networks with Spatial Squeeze Modules and Information Blocking Decoder
- Source Model Implementation
Community
- Join our AI Hub Slack community to collaborate, post questions and learn more about on-device AI.
- For questions or feedback please reach out to us.
