14,980 Images PPT OCR Data of 8 Languages

PPT

OCR

meeting room

conference room

different photographic angles

different photographic distances

different light conditions

line-level quadrilateral bounding box annotation and transcription for the texts

14,980 Images PPT OCR Data of 8 Languages. This dataset includes 8 languages, multiple scenes, different photographic angles, different photographic distances, different light conditions. For annotation, line-level quadrilateral bounding box annotation and transcription for the texts were annotated in the data. The dataset can be used for tasks such as OCR of multi-language.

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Specifications

Data size

14,980 images, 8 languages

Data environment

including meeting room, conference room

Language types

French, Korean, Japanese, Spanish, German, Italian, Portuguese and Russian

Data diversity

multiple scenes, multiple languages, different photographic angles, different photographic distances, different light conditions

Device

cellphone

Collecting angles

front, left, right, looking up angle

Data format

the image data format is .jpg, the annotation file data format is .json

Annotation content

line-level quadrilateral bounding box annotation and transcription for the texts

Accuracy

the error bound of each vertex of quadrilateral 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%

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