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Home > All Category Datasets > OCR Datasets > 9,574 Images – Multilingual Handwriting OCR Dataset (8 Languages)

9,574 Images – Multilingual Handwriting OCR Dataset (8 Languages)

handwriting OCR dataset

handwritten text recognition data

multi-language handwriting OCR data

OCR training data

polygon-annotated handwriting dataset

This dataset includes 9,574 handwriting images across 8 languages, including English, Spanish Portuguese and more. The data diversity includes multiple collecting scenes, different text carriers and different photographic angles(looking up, eye-level, looking down). In terms of annotation, each text line is annotated with quadrilateral polygons and transcription. The dataset can be used for training and evaluating OCR models, handwriting recognition systems, and multilingual text extraction tasks in AI and computer vision.

This is a paid datasets for commercial use, research purpose and more. Licensed ready made datasets help jump-start AI projects.

Specifications

Data size

9,574 images, 243,240 bounding boxes

Language distribution

English, Spanish, Portuguese, French, German, Japanese, Italian and Dutch

Collecting environment

black boards, white boards, green boards

Device

cellphone

Photographic angle

eye-level angle, looking down angle, looking up angle

Data format

the image data format is .jpg and other common image formats, the annotation file data format is.json

Annotation content

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

Accuracy rate

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%

Sample

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9,574 Images – Multilingual Handwriting OCR Dataset (8 Languages)

handwriting OCR dataset handwritten text recognition data multi-language handwriting OCR data OCR training data polygon-annotated handwriting dataset

handwriting OCR dataset

handwritten text recognition data

multi-language handwriting OCR data

OCR training data

polygon-annotated handwriting dataset