vietocr.net是c#编写的字符识别程序，首先进行jpg,gif,bmp到tiff的转换，这个用自带的画图就可以。然后使用VietOCR.NET-4.3进行多张tiff的merge。VietOCR.NET是基于OCR的应用，旨在帮助您执行打字机打印或扫描的图像转换为可编辑的文本。

主窗口由2个小组，左边一个就可以查看您要处理的照片，另外可以分析从图片中提取出文字。除了预览扫描的信息，右边也是该地区在那里你可以进行必要的修改文本。

Features

Java & .NET GUI frontends for Tesseract OCR engine

Supports all languages provided by Tesseract

Supports automatic download and installation of language packs

PDF, TIFF, JPEG, GIF, PNG, BMP image formats

Paste image from clipboard

Selection box for Region of Interest (ROI)

File drag-and-drop

Bulk & batch operations

Text replacement postprocessing

Integrated scanning support

Spellcheck with Hunspell

Make Box Files。在orderNo.tif所在的目录下打开一个命令行，输入

C:Program FilesTesseract-OCR>tesseract.exe lang.jhy.exp8.TIF lang.jhy.exp8 batch.nochop makebox

使用jTessBoxEditor打开orderNo.tif文件，需要记住的是第2步生成的orderNo.box要和这个orderNo.tif文件同在一个目录下。逐个校正文字，后保存。

下载jTessBoxEditor工具进行每个自的纠正（注意有nextpage逐页进行纠正）

官方介绍：

PDF, TIFF, JPEG, GIF, PNG, BMP image formats

Multi-page TIFF images

Screenshots

Selection box

File drag-and-drop

Paste image from clipboard

Postprocessing for Vietnamese to boost accuracy rate

Vietnamese input methods

Localized user interface for many languages (Localization project)

Integrated scanning support

Watch folder monitor for support of batch processing

Custom text replacement in postprocessing

Spellcheck with Hunspell

Support for downloading and installing language data packs and appropriate spell dictionaries

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