OCR Datasets

573,264 Images Test-paper & Workbook & Answer-sheet Collection Data. The dataset inlcudes 35,823 test papers, 457,970 workbooks and 79,471 answer sheets. The dataset covers multiple types of questions, multiple subjects, multiple types, multiple grades. The collection device are cellphone and scanner. The data can be used for tasks such as intelligent scoring and homework guidance. We strictly adhere to data protection regulations and privacy standards, ensuring the maintenance of user privacy and legal rights throughout the data collection, storage, and usage processes, our datasets are all GDPR, CCPA, PIPL complied.

497 Images – English Invoice Data，the collection background is a solid color background, and personal information is desensitized, including various types of invoices, which can be used for tasks such as bill recognition and text recognition.

5,147 Images Japanese Handwriting OCR Data. The text carrier are A4 paper, lined paper, quadrille paper, etc. The device is cellphone, the collection angle is eye-level angle. The dataset content includes Japanese composition, poetry, prose, news, stories, etc. 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 Japanese handwriting OCR.

5,156 Images - Mathematical Formula Handwriting OCR Data. The writing envirenment includes A4 paper, square paper, lined paper, white board, etc. The data diversity includes multiple writing papers, multiple types of mathematical formulas, multiple photographic angles. The collecting angeles are looking up angleand eye-level angle. The dataset can be used for tasks such as mathematical formula handwriting OCR.

1,000 People - German Handwriting OCR Data. The writers are Europeans who often write German. The device is scanner, the collection angle is eye-level angle. The dataset content includes address, company name, personal name.The dataset can be used for tasks such as German handwriting OCR.

1,000 People - Spanish Handwriting OCR Data. The writers are Europeans who often write spanish. The device is scanner, the collection angle is eye-level angle. The dataset content includes address, company name, personal name.The dataset can be used for tasks such as spanish handwriting OCR.

1,000 People - French Handwriting OCR Data. The writers are Europeans who often write French. The device is scanner, the collection angle is eye-level angle. The dataset content includes address, company name, personal name.The dataset can be used for tasks such as French handwriting OCR.

14,511 Images English Handwriting OCR Data. The text carrier are A4 paper, lined paper, English paper, etc. The device is cellphone, the collection angle is eye-level angle. The dataset content includes English composition, poetry, prose, news, stories, etc. 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 English handwriting OCR.

5,711 Images Korean Handwriting OCR Data. The text carrier are A4 paper, lined paper, quadrille paper, etc. The device is cellphone, the collection angle is eye-level angle. The dataset content includes Korean composition, poetry, prose, news, stories, etc. 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 Korean handwriting OCR.