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OWL-ViT

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OWL-ViT: Optimized for Qualcomm Devices

OWL-ViT (Open-World Localization with Vision Transformers) is an open-vocabulary object detector that uses a CLIP-based ViT-B/32 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-ViT 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	w8a16	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
TFLITE	float	Universal	QAIRT 2.45	Download

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

Model Details

Model Type: Model_use_case.object_detection

Model Stats:

Input image resolution: 768x768
Model checkpoint: google/owlvit-base-patch32
Model size (float): 613 MB
Number of parameters: 153M

Performance Summary

Model	Runtime	Precision	Chipset	Inference Time (ms)	Peak Memory Range (MB)	Primary Compute Unit
OWL-ViT	ONNX	w8a16	Snapdragon® X2 Elite	8.322 ms	3 - 3 MB	NPU
OWL-ViT	ONNX	w8a16	Snapdragon® X Elite	21.246 ms	174 - 174 MB	NPU
OWL-ViT	ONNX	w8a16	Snapdragon® 8 Gen 3 Mobile	14.26 ms	4 - 744 MB	NPU
OWL-ViT	ONNX	w8a16	Snapdragon® 8 Gen 1 Mobile	35.229 ms	4 - 762 MB	NPU
OWL-ViT	ONNX	w8a16	Qualcomm® Dragonwing™ QCS6490	128.381 ms	3 - 9 MB	NPU
OWL-ViT	ONNX	w8a16	Qualcomm® Dragonwing™ IQ-8275	19.264 ms	1 - 8 MB	NPU
OWL-ViT	ONNX	w8a16	Qualcomm® Dragonwing™ QCS8550 (Proxy)	20.329 ms	0 - 192 MB	NPU
OWL-ViT	ONNX	w8a16	Qualcomm® QCS8450	35.229 ms	4 - 762 MB	NPU
OWL-ViT	ONNX	w8a16	Qualcomm® Dragonwing™ IQ-9075	20.619 ms	0 - 6 MB	NPU
OWL-ViT	ONNX	w8a16	Qualcomm® Dragonwing™ IQ-X7181	21.246 ms	174 - 174 MB	NPU
OWL-ViT	ONNX	w8a16	Qualcomm® Dragonwing™ Q-6690	198.344 ms	6 - 791 MB	NPU
OWL-ViT	ONNX	w8a16	Qualcomm® Dragonwing™ Q-7790	34.762 ms	6 - 583 MB	NPU
OWL-ViT	ONNX	w8a16	Qualcomm® Dragonwing™ Q-8750	11.459 ms	1 - 665 MB	NPU
OWL-ViT	ONNX	w8a16	Snapdragon® 8 Elite Mobile	11.459 ms	1 - 665 MB	NPU
OWL-ViT	ONNX	w8a16	Snapdragon® 8 Elite Gen 5 Mobile	7.733 ms	0 - 635 MB	NPU
OWL-ViT	ONNX	w8a16	Snapdragon® 7 Gen 4 Mobile	34.762 ms	6 - 583 MB	NPU
OWL-ViT	QNN_DLC	float	Snapdragon® X2 Elite	19.448 ms	7 - 7 MB	NPU
OWL-ViT	QNN_DLC	float	Snapdragon® X Elite	45.551 ms	7 - 7 MB	NPU
OWL-ViT	QNN_DLC	float	Snapdragon® 8 Gen 3 Mobile	33.388 ms	7 - 664 MB	NPU
OWL-ViT	QNN_DLC	float	Snapdragon® 8 Gen 1 Mobile	62.97 ms	7 - 643 MB	NPU
OWL-ViT	QNN_DLC	float	Qualcomm® Dragonwing™ IQ-8275	54.253 ms	7 - 16 MB	NPU
OWL-ViT	QNN_DLC	float	Qualcomm® Dragonwing™ IQ-8275	135.045 ms	3 - 485 MB	NPU
OWL-ViT	QNN_DLC	float	Qualcomm® Dragonwing™ QCS8550 (Proxy)	45.535 ms	7 - 10 MB	NPU
OWL-ViT	QNN_DLC	float	Qualcomm® SA8775P	51.997 ms	2 - 483 MB	NPU
OWL-ViT	QNN_DLC	float	Qualcomm® SA8650P	51.997 ms	2 - 483 MB	NPU
OWL-ViT	QNN_DLC	float	Qualcomm® SA8255P	51.997 ms	2 - 483 MB	NPU
OWL-ViT	QNN_DLC	float	Qualcomm® QCS8450	62.97 ms	7 - 643 MB	NPU
OWL-ViT	QNN_DLC	float	Qualcomm® Dragonwing™ IQ-9075	52.66 ms	7 - 15 MB	NPU
OWL-ViT	QNN_DLC	float	Qualcomm® Dragonwing™ IQ-X7181	45.551 ms	7 - 7 MB	NPU
OWL-ViT	QNN_DLC	float	Qualcomm® Dragonwing™ Q-8750	27.135 ms	0 - 471 MB	NPU
OWL-ViT	QNN_DLC	float	Qualcomm® SA7255P	135.045 ms	3 - 485 MB	NPU
OWL-ViT	QNN_DLC	float	Qualcomm® SA8295P	60.462 ms	0 - 462 MB	NPU
OWL-ViT	QNN_DLC	float	Snapdragon® 8 Elite Mobile	27.135 ms	0 - 471 MB	NPU
OWL-ViT	QNN_DLC	float	Snapdragon® 8 Elite Gen 5 Mobile	20.246 ms	7 - 487 MB	NPU
OWL-ViT	QNN_DLC	w8a16	Snapdragon® X2 Elite	23.457 ms	3 - 3 MB	NPU
OWL-ViT	QNN_DLC	w8a16	Snapdragon® X Elite	86.563 ms	3 - 3 MB	NPU
OWL-ViT	QNN_DLC	w8a16	Snapdragon® 8 Gen 3 Mobile	80.149 ms	4 - 989 MB	NPU
OWL-ViT	QNN_DLC	w8a16	Qualcomm® Dragonwing™ IQ-8275	94.251 ms	1 - 7 MB	NPU
OWL-ViT	QNN_DLC	w8a16	Qualcomm® Dragonwing™ IQ-8275	145.296 ms	1 - 749 MB	NPU
OWL-ViT	QNN_DLC	w8a16	Qualcomm® Dragonwing™ QCS8550 (Proxy)	98.204 ms	4 - 5 MB	NPU
OWL-ViT	QNN_DLC	w8a16	Qualcomm® SA8775P	95.854 ms	1 - 749 MB	NPU
OWL-ViT	QNN_DLC	w8a16	Qualcomm® SA8650P	95.854 ms	1 - 749 MB	NPU
OWL-ViT	QNN_DLC	w8a16	Qualcomm® SA8255P	95.854 ms	1 - 749 MB	NPU
OWL-ViT	QNN_DLC	w8a16	Qualcomm® Dragonwing™ IQ-9075	93.666 ms	3 - 8 MB	NPU
OWL-ViT	QNN_DLC	w8a16	Qualcomm® Dragonwing™ IQ-X7181	86.563 ms	3 - 3 MB	NPU
OWL-ViT	QNN_DLC	w8a16	Qualcomm® Dragonwing™ Q-8750	69.654 ms	3 - 740 MB	NPU
OWL-ViT	QNN_DLC	w8a16	Qualcomm® SA7255P	145.296 ms	1 - 749 MB	NPU
OWL-ViT	QNN_DLC	w8a16	Snapdragon® 8 Elite Mobile	69.654 ms	3 - 740 MB	NPU
OWL-ViT	QNN_DLC	w8a16	Snapdragon® 8 Elite Gen 5 Mobile	21.867 ms	3 - 771 MB	NPU
OWL-ViT	TFLITE	float	Snapdragon® 8 Gen 3 Mobile	23.55 ms	0 - 642 MB	NPU
OWL-ViT	TFLITE	float	Snapdragon® 8 Gen 1 Mobile	48.493 ms	0 - 634 MB	NPU
OWL-ViT	TFLITE	float	Qualcomm® Dragonwing™ IQ-8275	41.844 ms	0 - 311 MB	NPU
OWL-ViT	TFLITE	float	Qualcomm® Dragonwing™ IQ-8275	116.255 ms	0 - 485 MB	NPU
OWL-ViT	TFLITE	float	Qualcomm® Dragonwing™ QCS8550 (Proxy)	32.292 ms	0 - 4 MB	NPU
OWL-ViT	TFLITE	float	Qualcomm® SA8775P	39.311 ms	0 - 471 MB	NPU
OWL-ViT	TFLITE	float	Qualcomm® SA8650P	39.311 ms	0 - 471 MB	NPU
OWL-ViT	TFLITE	float	Qualcomm® SA8255P	39.311 ms	0 - 471 MB	NPU
OWL-ViT	TFLITE	float	Qualcomm® QCS8450	48.493 ms	0 - 634 MB	NPU
OWL-ViT	TFLITE	float	Qualcomm® Dragonwing™ IQ-9075	39.987 ms	0 - 310 MB	NPU
OWL-ViT	TFLITE	float	Qualcomm® Dragonwing™ Q-8750	17.785 ms	0 - 474 MB	NPU
OWL-ViT	TFLITE	float	Qualcomm® SA7255P	116.255 ms	0 - 485 MB	NPU
OWL-ViT	TFLITE	float	Qualcomm® SA8295P	48.014 ms	0 - 460 MB	NPU
OWL-ViT	TFLITE	float	Snapdragon® 8 Elite Mobile	17.785 ms	0 - 474 MB	NPU
OWL-ViT	TFLITE	float	Snapdragon® 8 Elite Gen 5 Mobile	12.465 ms	0 - 497 MB	NPU

License

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

References

Community

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qualcomm/OWL-ViT