扫描pdf中的识别复选框 [英] Recognition checkbox in scanned pdf

问题描述

我有一个PDF Documnet，想要从PDF和Chackbox和单选按钮类型字段值中提取内容。 PDF文件的版本为1.4（Acrobat 5.x），可以通过网络浏览器生成。



CheckBox在PDF格式中出现此类型



i想要查找选中的复选框值但是没有任何API和工具成功解析到这种类型的Checkbox字段值，我只是成功从PDF中提取文本。和复选框无法通过API识别Checked值。



如果有人知道如何提取以及哪种API应该适用于此类PDF文件。请建议我。



提前致谢

I have a PDF Documnet that would like to extract Content from PDF and Chackbox and Radio Button types fields value. PDF file have a version 1.4(Acrobat 5.x) and may be genrated from web browser.

CheckBox appear such types in PDF

i want to find checked checkboxes value But no any API and tool is successfully parse to such types of Checkbox fields value and i just extract to text from PDF successfully. and checkboxes didn't recognize to Checked value by APIs.

If any one Knows how to extract and which API should work for such types of PDF files. Please suggest me.

Thanks in advance

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