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Segformer-Base

Image Segmentation
PyTorch
real_time
android
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Segformer-Base
File size: 16,437 Bytes
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---
library_name: pytorch
license: other
tags:
- real_time
- android
pipeline_tag: image-segmentation

---

![](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/segformer_base/web-assets/model_demo.png)

# 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](https://github.com/huggingface/transformers/tree/main/src/transformers/models/segformer).
This repository contains pre-exported model files optimized for Qualcomm® devices. You can use the [Qualcomm® AI Hub Models](https://github.com/qualcomm/ai-hub-models/blob/v0.59.0/src/qai_hub_models/models/segformer_base) library to export with custom configurations. More details on model performance across various devices, can be found [here](#performance-summary).

Qualcomm AI Hub Models uses [Qualcomm AI Hub Workbench](https://workbench.aihub.qualcomm.com) to compile, profile, and evaluate this model. [Sign up](https://myaccount.qualcomm.com/signup) 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](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/segformer_base/releases/v0.59.0/segformer_base-onnx-float.zip)
| ONNX | w8a16 | Universal | QAIRT 2.45, ONNX Runtime 1.27.1 | [Download](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/segformer_base/releases/v0.59.0/segformer_base-onnx-w8a16.zip)
| ONNX | w8a8 | Universal | QAIRT 2.45, ONNX Runtime 1.27.1 | [Download](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/segformer_base/releases/v0.59.0/segformer_base-onnx-w8a8.zip)
| QNN_DLC | float | Universal | QAIRT 2.45 | [Download](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/segformer_base/releases/v0.59.0/segformer_base-qnn_dlc-float.zip)
| QNN_DLC | w8a16 | Universal | QAIRT 2.45 | [Download](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/segformer_base/releases/v0.59.0/segformer_base-qnn_dlc-w8a16.zip)
| QNN_DLC | w8a8 | Universal | QAIRT 2.45 | [Download](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/segformer_base/releases/v0.59.0/segformer_base-qnn_dlc-w8a8.zip)
| TFLITE | float | Universal | QAIRT 2.45 | [Download](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/segformer_base/releases/v0.59.0/segformer_base-tflite-float.zip)
| TFLITE | w8a8 | Universal | QAIRT 2.45 | [Download](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/segformer_base/releases/v0.59.0/segformer_base-tflite-w8a8.zip)

For more device-specific assets and performance metrics, visit **[Segformer-Base on Qualcomm® AI Hub](https://aihub.qualcomm.com/models/segformer_base)**.


### Option 2: Export with Custom Configurations

Use the [Qualcomm® AI Hub Models](https://github.com/qualcomm/ai-hub-models/blob/v0.59.0/src/qai_hub_models/models/segformer_base) 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](https://github.com/qualcomm/ai-hub-models/blob/v0.59.0/src/qai_hub_models/models/segformer_base) 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](https://github.com/huggingface/transformers/blob/main/LICENSE).

## References
* [SegFormer: Simple and Efficient Design for Semantic Segmentation with Transformers](https://arxiv.org/abs/2105.15203)
* [Source Model Implementation](https://github.com/huggingface/transformers/tree/main/src/transformers/models/segformer)

## Community
* Join [our AI Hub Slack community](https://aihub.qualcomm.com/community/slack) to collaborate, post questions and learn more about on-device AI.
* For questions or feedback please [reach out to us](mailto:ai-hub-support@qti.qualcomm.com).