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Primary School Math Exam Paper Image Dataset (17,561 Images)
math exam paper dataset
primary school math dataset
math worksheet image dataset
math homework dataset
intelligent grading dataset
automatic scoring dataset
homework grading dataset
education OCR dataset
This dataset contains 17,561 images of primary school mathematics papers. The data feature a pure color background. The data covers multiple question types, multiple types of test papers (math workbooks, test papers, competition test papers, etc.) and multiple grade levels. The dataset can be used for tasks such as intelligent scoring and homework guidance for primary school students.
This is a paid dataset licensed for commercial use. Ready-made datasets are available for immediate integration into AI projects.
Specifications
Data size
17,561 images, 20 types of questions
Environment
pure color background
Diversity
multiple question types, multiple types of test papers (math workbooks, test papers, competition test papers, etc.), multiple grades
Device
mobile phone, the resolution is not less than 2 megapixels (to ensure the texts are clear)
Format
.jpg
Data content
20 types of questions of Horizontal calculation, Approximate calculation, Quantity comparison calculation, Unit conversion and comparison, Operation symbol filling, Equation filling, Continuous equation filling, Conversion and calculation equation of unit of measurement, Conversion and comparison of unit of measurement, Vertical calculation, Recursive calculation, Solving equation, Fill-in-the-blanks question, True-or-false question, Choice question, Math word problem solving, Fill-in-the-blanks on the form question, Matching, Image identification, Others
Accuracy
the accuracies of collection and classification of question types are not less than 97%
Nexdata provides OCR datasets covering a wide range of data types, including documents, handwriting, invoices, test papers, and forms. The datasets cover diverse languages, layouts, text styles, and real-world scenarios to support OCR model training, text recognition, document analysis, and other document AI applications.
Can Nexdata customize OCR datasets for specific requirements?
Yes. If our off-the-shelf OCR datasets do not fully meet your requirements, Nexdata provides flexible custom data collection, annotation, and quality control services. We can customize datasets based on target languages, document types, handwriting styles, layouts, image conditions, data volume, and annotation specifications for specific OCR applications.
How does Nexdata ensure the quality and scalability of OCR datasets?
Nexdata applies multi-stage quality control throughout data collection, annotation, validation, and delivery. With extensive resources covering documents, handwriting, invoices, test papers, and forms, we can support both large-scale OCR projects and specialized datasets with customized formats, annotation requirements, and quality standards.
Specifications
Sample
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