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104,320 Images - Korean and Hindi OCR Data in Natural Scenes

Korean
Hindi
OCR Data
Natural Scene
OCR Transliteration Data

104,320 Images - Korean and Hindi OCR Data in Natural Scenes. The collecting scenes of this dataset include packaging, posters, tickets, reminders, menus, building signs, etc.. The data diversity includes multiple scenes, multiple shooting angles and multiple light conditions. For annotation, line-level polygon bounding box (or tetragon bounding box, rectangle bounding box) annotation, transcription and text attributes (language type) for the texts; vertical-level polygon bounding box (or tetragon bounding box, rectangle bounding box) annotation, transcription and text attributes (language type) for the text. The dataset can be used for Korean and Hindi OCR tasks in natural scenes.

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SpecificationsSpecifications
Data size
76,861 images of Korean, 555,913 bounding boxes; 27,459 images of Hindi, 200,453 bounding boxes
Collecting environment
including packaging, posters, tickets, reminders, menus, building signs, etc.
Data diversity
multiple natural scenes, multiple shooting angles, multiple light conditions
Device
cellphone
Collecting angle
looking up angle, looking down angle, eye-level angle
Language distribution
Korean, Hindi, English (a few)
Data format
the image data format is .jpg, the annotation file format is .json
Bounding box shape distribution
315,822 tetragon bounding boxes and 240,091 polygon bounding boxes of Korean; 780 tetragon bounding boxes, 199,671 polygon bounding boxes and 2 rectangle bounding boxes of Hindi
Annotation content
line-level polygon bounding box (or tetragon bounding box, rectangle bounding box) annotation, transcription and text attributes (language type) for the texts; vertical-level polygon bounding box (or tetragon bounding box, rectangle bounding box) annotation, transcription and text attributes (language type) for the text
Accuracy
The error bound of each vertex of a bounding box is within 5 pixels, which is a qualified annotation, the accuracy of bounding boxes is not less than 95%; The texts transcription accuracy is not less than 95%.
Sample Sample
  • 104,320 Images - Korean and Hindi OCR Data in Natural Scenes
  • 104,320 Images - Korean and Hindi OCR Data in Natural Scenes
  • 104,320 Images - Korean and Hindi OCR Data in Natural Scenes
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