Dataset Versions

v3

CCTV Footage

Generated on May 31, 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.
Other Formats
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Dataset Split

Train Set 87%
2787Images
Valid Set 8%
258Images
Test Set 5%
144Images

Preprocessing

Auto-Orient: Applied
Resize: Stretch to 640x360
Auto-Adjust Contrast: Using Histogram Equalization
Grayscale: Applied
Modify Classes: 1 remapped, 0 dropped
Filter Null: Require at least 80% of images to contain annotations.

Augmentations

Outputs per training example: 3
Flip: Horizontal
Crop: 20% Minimum Zoom, 26% Maximum Zoom
Rotation: Between -12° and +12°
Blur: Up to 1px
Noise: Up to 3% of pixels

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