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license: cc-by-nc-4.0
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# 573264-Images-Test-paper-Workbook-Answer-sheet-Collection-Data

## Description
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.

For more details, please refer to the link: https://www.nexdata.ai/datasets/ocr/1305?source=huggingface

## Specifications
### Data size
573,264 images
### Data distribution
data distribution: 35,823 test papers, 457,970 workbooks, 79,471 answer sheets; grade distribution:  primary school grades 1-6, junior high school grades 1-3, high school grades 1-3; subject distribution: language, mathematics, English, physics, chemistry, biology, Comprehensive science, geography, politics, history, etc.
### Data Diversity
multiple types of questions, multiple subjects, multiple types, multiple grades
### Device
cellphone, scanner
### Photographic angle
eye-level angle
### Data format
jpg
### Accuracy rate
the accuracy of label annotation is not less than 95%; the collection content accuracy is not less than

## Licensing Information
Commercial License