Lionel Deng

CrackNet

Object Detection

CrackNet Image Dataset

v5

removed contrast- added greyscale- blur

Generated on Feb 10, 2023

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Pascal VOC XML
Common XML annotation format for local data munging (pioneered by ImageNet).
PaliGemma
PaliGemma JSONL format used for fine-tuning PaliGemma, Google's open multimodal vision model.
CreateML JSON
CreateML JSON format is used with Apple's CreateML and Turi Create tools.
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Dataset Split

Train Set 87%
9903Images
Valid Set 9%
1030Images
Test Set 4%
438Images

Preprocessing

Auto-Orient: Applied
Resize: Stretch to 640x640
Grayscale: Applied

Augmentations

Outputs per training example: 3
Flip: Horizontal, Vertical
Rotation: Between -15° and +15°
Brightness: Between -25% and +25%
Blur: Up to 4px
Noise: Up to 2% of pixels
Bounding Box: Blur: Up to 4px