HCaptcha Image Dataset
Versions
2022-04-09 11:37pm
v13
Apr 10, 2022
recap applicable
v12
Apr 9, 2022
2022-04-08 9:33am
v11
Apr 8, 2022
2022-04-07 11:23am
v10
Apr 7, 2022
2022-04-06 11:10pm
v9
Apr 7, 2022
2022-04-06 12:26pm
v8
Apr 6, 2022
2022-04-06 12:24pm
v7
Apr 6, 2022
2022-04-05 10:58pm
v6
Apr 6, 2022
2022-04-05 10:56pm
v5
Apr 6, 2022
2022-04-05 4:16pm
v4
Apr 5, 2022
2022-04-05 2:48pm
v3
Apr 5, 2022
v8
2022-04-06 12:26pm
Generated on Apr 6, 2022
Popular Download Formats
YOLOv9
TXT annotations and YAML config used with YOLOv9.
YOLOv8
TXT annotations and YAML config used with YOLOv8.
YOLOv5
TXT annotations and YAML config used with YOLOv5.
YOLOv7
TXT annotations and YAML config used with YOLOv7.
COCO JSON
COCO JSON annotations are used with EfficientDet Pytorch and Detectron 2.
YOLO Darknet
Darknet TXT annotations used with YOLO Darknet (both v3 and v4) and YOLOv3 PyTorch.
Pascal VOC XML
Common XML annotation format for local data munging (pioneered by ImageNet).
TFRecord
TFRecord binary format used for both Tensorflow 1.5 and Tensorflow 2.0 Object Detection models.
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
Choose another format.
3193 Total Images
View All ImagesDataset 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°
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