ReHcaptcha Stuff

HCaptcha

Object Detection

HCaptcha Image Dataset

v8

2022-04-06 12:26pm

Generated on Apr 6, 2022

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 88%
2818Images
Valid Set 8%
249Images
Test Set 4%
126Images

Preprocessing

Resize: Stretch to 128x128
Modify Classes: 4 remapped, 0 dropped

Augmentations

Outputs per training example: 3
Flip: Horizontal, Vertical
Rotation: Between -15° and +15°