USNA

NRL Ships

Object Detection

NRL Ships Image Dataset

v2

2023-02-24 11:04am

Generated on Feb 24, 2023

Popular Download Formats

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%
3297Images
Valid Set 8%
314Images
Test Set 4%
160Images

Preprocessing

Auto-Orient: Applied
Resize: Stretch to 640x640
Modify Classes: 1 remapped, 0 dropped

Augmentations

Outputs per training example: 3
Flip: Horizontal, Vertical
90° Rotate: Clockwise, Counter-Clockwise, Upside Down
Crop: 0% Minimum Zoom, 67% Maximum Zoom
Shear: ±45° Horizontal, ±45° Vertical
Brightness: Between -64% and +64%
Blur: Up to 2px
Noise: Up to 5% of pixels