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OWL-V2

Object Detection
PyTorch
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OWL-V2: Optimized for Qualcomm Devices

OWL-V2 (Open-World Localization with Vision Transformers) is an open-vocabulary object detector that uses a CLIP-based ViT-B/16 backbone. Given an image and one or more free-form text queries, the model predicts bounding boxes and confidence scores for each query.

This is based on the implementation of OWL-V2 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
PRECOMPILED_QNN_ONNX float Snapdragon® X2 Elite QAIRT 2.45, ONNX Runtime 1.27.1 Download
PRECOMPILED_QNN_ONNX float Snapdragon® X Elite QAIRT 2.45, ONNX Runtime 1.27.1 Download
PRECOMPILED_QNN_ONNX float Snapdragon® 8 Gen 3 Mobile QAIRT 2.45, ONNX Runtime 1.27.1 Download
PRECOMPILED_QNN_ONNX float Snapdragon® 8 Gen 1 Mobile QAIRT 2.45, ONNX Runtime 1.27.1 Download
PRECOMPILED_QNN_ONNX float Qualcomm® Dragonwing™ IQ-8275 QAIRT 2.45, ONNX Runtime 1.27.1 Download
PRECOMPILED_QNN_ONNX float Qualcomm® Dragonwing™ QCS8550 (Proxy) QAIRT 2.45, ONNX Runtime 1.27.1 Download
PRECOMPILED_QNN_ONNX float Qualcomm® Dragonwing™ IQ-9075 QAIRT 2.45, ONNX Runtime 1.27.1 Download
PRECOMPILED_QNN_ONNX float Snapdragon® 8 Elite Mobile QAIRT 2.45, ONNX Runtime 1.27.1 Download
PRECOMPILED_QNN_ONNX float Snapdragon® 8 Elite Gen 5 Mobile QAIRT 2.45, ONNX Runtime 1.27.1 Download
QNN_CONTEXT_BINARY float Snapdragon® X2 Elite QAIRT 2.45 Download
QNN_CONTEXT_BINARY float Snapdragon® X Elite QAIRT 2.45 Download
QNN_CONTEXT_BINARY float Snapdragon® 8 Gen 3 Mobile QAIRT 2.45 Download
QNN_CONTEXT_BINARY float Snapdragon® 8 Gen 1 Mobile QAIRT 2.45 Download
QNN_CONTEXT_BINARY float Qualcomm® Dragonwing™ IQ-8275 QAIRT 2.45 Download
QNN_CONTEXT_BINARY float Qualcomm® Dragonwing™ QCS8550 (Proxy) QAIRT 2.45 Download
QNN_CONTEXT_BINARY float Qualcomm® SA8775P QAIRT 2.45 Download
QNN_CONTEXT_BINARY float Qualcomm® Dragonwing™ IQ-9075 QAIRT 2.45 Download
QNN_CONTEXT_BINARY float Qualcomm® SA7255P QAIRT 2.45 Download
QNN_CONTEXT_BINARY float Qualcomm® SA8295P QAIRT 2.45 Download
QNN_CONTEXT_BINARY float Snapdragon® 8 Elite Mobile QAIRT 2.45 Download
QNN_CONTEXT_BINARY float Snapdragon® 8 Elite Gen 5 Mobile QAIRT 2.45 Download

For more device-specific assets and performance metrics, visit OWL-V2 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 OWL-V2 on GitHub for usage instructions.

Model Details

Model Type: Model_use_case.object_detection

Model Stats:

  • Input image resolution: 960x960
  • Model checkpoint: google/owlv2-base-patch16-ensemble
  • Model size (float): 620 MB
  • Number of parameters: 155M

Performance Summary

Model Runtime Precision Chipset Inference Time (ms) Peak Memory Range (MB) Primary Compute Unit
text PRECOMPILED_QNN_ONNX float Snapdragon® X2 Elite 3.281 ms 11 - 11 MB NPU
text PRECOMPILED_QNN_ONNX float Snapdragon® X Elite 5.983 ms 116 - 116 MB NPU
text PRECOMPILED_QNN_ONNX float Snapdragon® 8 Gen 3 Mobile 4.109 ms 11 - 23 MB NPU
text PRECOMPILED_QNN_ONNX float Snapdragon® 8 Gen 1 Mobile 13.253 ms 11 - 25 MB NPU
text PRECOMPILED_QNN_ONNX float Qualcomm® Dragonwing™ IQ-8275 8.026 ms 10 - 24 MB NPU
text PRECOMPILED_QNN_ONNX float Qualcomm® Dragonwing™ QCS8550 (Proxy) 5.942 ms 11 - 12 MB NPU
text PRECOMPILED_QNN_ONNX float Qualcomm® QCS8450 13.253 ms 11 - 25 MB NPU
text PRECOMPILED_QNN_ONNX float Qualcomm® Dragonwing™ IQ-9075 7.111 ms 11 - 24 MB NPU
text PRECOMPILED_QNN_ONNX float Qualcomm® Dragonwing™ IQ-X7181 5.983 ms 116 - 116 MB NPU
text PRECOMPILED_QNN_ONNX float Qualcomm® Dragonwing™ Q-8750 3.661 ms 2 - 15 MB NPU
text PRECOMPILED_QNN_ONNX float Snapdragon® 8 Elite Mobile 3.661 ms 2 - 15 MB NPU
text PRECOMPILED_QNN_ONNX float Snapdragon® 8 Elite Gen 5 Mobile 3.407 ms 0 - 7 MB NPU
text QNN_CONTEXT_BINARY float Snapdragon® X2 Elite 3.782 ms 11 - 11 MB NPU
text QNN_CONTEXT_BINARY float Snapdragon® X Elite 6.188 ms 11 - 11 MB NPU
text QNN_CONTEXT_BINARY float Snapdragon® 8 Gen 3 Mobile 4.106 ms 11 - 18 MB NPU
text QNN_CONTEXT_BINARY float Snapdragon® 8 Gen 1 Mobile 13.185 ms 9 - 19 MB NPU
text QNN_CONTEXT_BINARY float Qualcomm® Dragonwing™ IQ-8275 7.89 ms 11 - 24 MB NPU
text QNN_CONTEXT_BINARY float Qualcomm® Dragonwing™ IQ-8275 18.899 ms 1 - 10 MB NPU
text QNN_CONTEXT_BINARY float Qualcomm® Dragonwing™ QCS8550 (Proxy) 5.941 ms 11 - 12 MB NPU
text QNN_CONTEXT_BINARY float Qualcomm® SA8775P 7.329 ms 0 - 9 MB NPU
text QNN_CONTEXT_BINARY float Qualcomm® SA8650P 7.329 ms 0 - 9 MB NPU
text QNN_CONTEXT_BINARY float Qualcomm® SA8255P 7.329 ms 0 - 9 MB NPU
text QNN_CONTEXT_BINARY float Qualcomm® QCS8450 13.185 ms 9 - 19 MB NPU
text QNN_CONTEXT_BINARY float Qualcomm® Dragonwing™ IQ-9075 7.035 ms 11 - 23 MB NPU
text QNN_CONTEXT_BINARY float Qualcomm® Dragonwing™ IQ-X7181 6.188 ms 11 - 11 MB NPU
text QNN_CONTEXT_BINARY float Qualcomm® Dragonwing™ Q-8750 3.648 ms 0 - 9 MB NPU
text QNN_CONTEXT_BINARY float Qualcomm® SA7255P 18.899 ms 1 - 10 MB NPU
text QNN_CONTEXT_BINARY float Qualcomm® SA8295P 12.423 ms 3 - 8 MB NPU
text QNN_CONTEXT_BINARY float Snapdragon® 8 Elite Mobile 3.648 ms 0 - 9 MB NPU
text QNN_CONTEXT_BINARY float Snapdragon® 8 Elite Gen 5 Mobile 3.401 ms 10 - 19 MB NPU
vision PRECOMPILED_QNN_ONNX float Snapdragon® X2 Elite 626.064 ms 33 - 33 MB NPU
vision PRECOMPILED_QNN_ONNX float Snapdragon® X Elite 1223.664 ms 295 - 295 MB NPU
vision PRECOMPILED_QNN_ONNX float Snapdragon® 8 Gen 3 Mobile 979.372 ms 11 - 23 MB NPU
vision PRECOMPILED_QNN_ONNX float Snapdragon® 8 Gen 1 Mobile 2158.25 ms 17 - 31 MB NPU
vision PRECOMPILED_QNN_ONNX float Qualcomm® Dragonwing™ IQ-8275 1229.848 ms 11 - 25 MB NPU
vision PRECOMPILED_QNN_ONNX float Qualcomm® Dragonwing™ QCS8550 (Proxy) 1399.478 ms 0 - 310 MB NPU
vision PRECOMPILED_QNN_ONNX float Qualcomm® QCS8450 2158.25 ms 17 - 31 MB NPU
vision PRECOMPILED_QNN_ONNX float Qualcomm® Dragonwing™ IQ-9075 1208.655 ms 10 - 24 MB NPU
vision PRECOMPILED_QNN_ONNX float Qualcomm® Dragonwing™ IQ-X7181 1223.664 ms 295 - 295 MB NPU
vision PRECOMPILED_QNN_ONNX float Qualcomm® Dragonwing™ Q-8750 757.463 ms 13 - 25 MB NPU
vision PRECOMPILED_QNN_ONNX float Snapdragon® 8 Elite Mobile 757.463 ms 13 - 25 MB NPU
vision PRECOMPILED_QNN_ONNX float Snapdragon® 8 Elite Gen 5 Mobile 741.23 ms 13 - 26 MB NPU
vision QNN_CONTEXT_BINARY float Snapdragon® X2 Elite 600.765 ms 11 - 11 MB NPU
vision QNN_CONTEXT_BINARY float Snapdragon® X Elite 1246.656 ms 11 - 11 MB NPU
vision QNN_CONTEXT_BINARY float Snapdragon® 8 Gen 3 Mobile 965.04 ms 11 - 19 MB NPU
vision QNN_CONTEXT_BINARY float Snapdragon® 8 Gen 1 Mobile 2119.442 ms 11 - 25 MB NPU
vision QNN_CONTEXT_BINARY float Qualcomm® Dragonwing™ IQ-8275 1230.158 ms 11 - 34 MB NPU
vision QNN_CONTEXT_BINARY float Qualcomm® Dragonwing™ IQ-8275 2456.487 ms 1 - 10 MB NPU
vision QNN_CONTEXT_BINARY float Qualcomm® Dragonwing™ QCS8550 (Proxy) 1428.974 ms 11 - 14 MB NPU
vision QNN_CONTEXT_BINARY float Qualcomm® SA8775P 1266.806 ms 0 - 10 MB NPU
vision QNN_CONTEXT_BINARY float Qualcomm® SA8650P 1266.806 ms 0 - 10 MB NPU
vision QNN_CONTEXT_BINARY float Qualcomm® SA8255P 1266.806 ms 0 - 10 MB NPU
vision QNN_CONTEXT_BINARY float Qualcomm® QCS8450 2119.442 ms 11 - 25 MB NPU
vision QNN_CONTEXT_BINARY float Qualcomm® Dragonwing™ IQ-9075 1208.734 ms 13 - 35 MB NPU
vision QNN_CONTEXT_BINARY float Qualcomm® Dragonwing™ IQ-X7181 1246.656 ms 11 - 11 MB NPU
vision QNN_CONTEXT_BINARY float Qualcomm® Dragonwing™ Q-8750 699.47 ms 11 - 21 MB NPU
vision QNN_CONTEXT_BINARY float Qualcomm® SA7255P 2456.487 ms 1 - 10 MB NPU
vision QNN_CONTEXT_BINARY float Qualcomm® SA8295P 1421.1 ms 0 - 10 MB NPU
vision QNN_CONTEXT_BINARY float Snapdragon® 8 Elite Mobile 699.47 ms 11 - 21 MB NPU
vision QNN_CONTEXT_BINARY float Snapdragon® 8 Elite Gen 5 Mobile 628.172 ms 11 - 19 MB NPU

License

  • The license for the original implementation of OWL-V2 can be found here.

References

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Paper for qualcomm/OWL-V2