Nexdata/4601_Images_22_Kinds_of_Bills_OCR_Data

---
license: cc-by-nc-nd-4.0
---
## Description
4,601 Images-22 Kinds of Bills OCR Data. The data background is pure color. The data covers 22 kinds of bills of multiple provinces. In terms of annotation, line-level quadrilateral bounding box annotation, line-level transcription for the texts were annotated in the data. The data can be used for tasks such as OCR for bills.

For more details, please refer to the link: https://www.nexdata.ai/dataset/1028?source=Huggingface

# Specifications
## Data size
4,601 images, 22 kinds
## Collection environment
pure color background
## Data diversity
including multiple types of bills, multiple provinces
## Device
cellphone
## Image Parameter
the image data is in .jpg format, the annotation file is in .json format
## Annotation content
line-level quadrilateral bounding box annotation, line-level transcription for the texts
## Accuracy
the error bound of each vertex of quadrilateral bounding box is within 5 pixels, which is a qualified

# Licensing Information
Commercial License

原始信息汇总

数据集概述

数据集内容

• 图像数量与种类：包含4,601张图像，涵盖22种不同类型的票据。
• 背景环境：所有图像背景为纯色。
• 数据多样性：涉及多个省份的多种票据。

技术规格

• 设备：数据采集使用手机。
• 图像格式：图像文件为.jpg格式，注释文件为.json格式。
• 注释内容：提供线级四边形边界框注释和线级文本转录。
• 精度：四边形边界框每个顶点的误差范围在5像素以内。

使用许可

• 许可类型：商业许可。