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4,995 Vietnamese OCR Images Data - Images with Annotation and Transcription

Vietnamese
OCR
document images
Internet images
natural scenes
multiple angles
different light conditions
quadrilateral bounding box annotation
line-level transcription for the texts
column-level transcription for the texts

4,995 Vietnamese OCR Images Data - Images with Annotation and Transcription. The data includes 258 images of natural scenes, 2,553 Internet images, 2,184 document images. For line-level content annotation, line-level quadrilateral bounding box annotation and test transcription was adpoted; for column-level content annotation, column-level quadrilateral bounding box annotation and text transcription was adpoted. The data can be used for tasks such as Vietnamese recognition in multiple scenes.

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SpecificationsSpecifications
Data size
4,995 OCR images, including 258 images of natural scenes, 2,553 Internet images, 2,184 document images
Collecting environment
including natural scenes (plaque, packaging instructions, small advertisements, menus, posters, etc.), Internet images (magazine covers, comic covers, etc.), document images (text documents, etc.)
Data diversity
including multiple scenes, multiple angles, different light conditions
Device
cellphone
Shooting angles
looking up angle, eye-level angle
Format
the image data format is .jpg, the annotated file format is .json
Annotation content
line-level quadrilateral bounding box annotation and transcription for the texts; column-level quadrilateral bounding box annotation and transcription for the texts
Accuracy
the error bound of each vertex of quadrilateral bounding box is within 10 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
  • 4,995 Vietnamese OCR Images Data - Images with Annotation and Transcription
  • 4,995 Vietnamese OCR Images Data - Images with Annotation and Transcription
  • 4,995 Vietnamese OCR Images Data - Images with Annotation and Transcription
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