14,980 PPT Images – Multilingual OCR Dataset (8 Languages)

multilingual PPT OCR dataset

PowerPoint OCR dataset for AI

OCR training dataset

AI dataset for PowerPoint text extraction

This dataset contains 14,980 PowerPoint slide images across 8 languages(French, Korean, Japanese, Spanish, German, Italian, Portuguese and Russian). This dataset includes multiple scenes, different photographic angles & distances, different light conditions. For annotation, each text line was annotated with quadrilateral bounding boxs and transcribed. The dataset can be used for tasks such as developing multilingual OCR systems.

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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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