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57,645 Images - Vertical OCR Data in Text Scenes

Vertical text scene OCR data
OCR image data
OCR data
OCR data set
OCR annotation
OCR acquisition
OCR data processing
OCR rewriting data

57,645 Images - Vertical OCR Data in Text Scenes. The collecting scenes of this dataset include street scenes, plaques, billboards, posters, decorations, art lettering, magazine covers etc. The language distribution includes Chinese and a few English. In this dataset, vertical -level rectangular bounding box (polygonal bounding box, parallelogram bounding box) annotation and transcription for the texts; non-vertical rectangular bounding box (polygonal bounding box, parallelogram bounding box) annotation and transcription for the texts. This dataset can be used for tasks such as multiple vertical text scenes OCR.

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SpecificationsSpecifications
Data size
57,645 images, 528,553 bounding boxes
Collecting environment
including street scenes, plaques, billboards, posters, decorations, art lettering, magazine covers etc.
Data diversity
multiple scenes, multiple fonts
Language distribution
Chinese, English (a few)
Bounding box direction distribution
324,399 vertical bounding boxes, 204,154 non-vertical bounding boxes
Bounding box shape distribution
34,936 rectangular bounding boxes, 220,716 polygonal bounding boxes, 272,901 parallelogram bounding boxes
Data format
the image data format is .jpg, the annotation file format is .json
Annotation content
vertical -level rectangular bounding box (polygonal bounding box, parallelogram bounding box) annotation and transcription for the texts; non-vertical rectangular bounding box (polygonal bounding box, parallelogram bounding box) annotation and transcription for the texts
Accuracy
The error bound of each vertex of a bounding box is within 3 pixels, which is a qualified annotation, the accuracy of bounding boxes is not less than 97%; The texts transcription accuracy is not less than 97%.
Sample Sample
  • 57,645 Images - Vertical OCR Data in Text Scenes
  • 57,645 Images - Vertical OCR Data in Text Scenes
  • 57,645 Images - Vertical OCR Data in Text Scenes
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