Image Reader (OCR)

Image Reader (OCR)插件简介

Image Reader (OCR)插件描述

Image Reader (OCR) extension help you easily get wds out of any image. It uses an opensource OCR library called Tesseract.

Tesseract.js is an opensource JavaScript library  is made via an Emscripten pt of the famous Tesseract OCR Engine written in C  C++. Please visit (https://github.com/naptha/tesseract.js) to get me info.

In der to wk with this addon, simply open the addons UI  load your image via the file select (top left cner). A sample scenario is also included in the package to test the addon (press on the "sample" button at the top toolbar). Befe using the addon, please make sure to select the appropriate OCR language. Default OCR language is set to English.

Note: this addon uses: "https://github.com/naptha/tessdata/tree/ghpages/3.02"
GitHub repo in der to fetch language data required f the OCR operation. Language data packs are very large in size  cannot be included in the addon’s package.

In der to rept bugs, please fill the bug rept fm in the extensions homepage (http://mybrowseraddon.com/imagereader.html).
                                

Image Reader (OCR)插件离线安装方法

1.首先用户点击谷歌浏览器右上角的自定义及控制按钮，在下拉框中选择设置。

2.在打开的谷歌浏览器的扩展管理器最左侧选择扩展程序或直接输入：chrome://extensions/

3.找到自己已经下载好的Chrome离线安装文件xxx.crx，然后将其从资源管理器中拖动到Chrome的扩展管理界面中，这时候用户会发现在扩展管理器的中央部分中会多出一个”拖动以安装“的插件按钮。

4.下载 Image Reader (OCR)Chrome插件v0.1.6版本到本地。

5.勾选开发者模式，点击加载已解压的扩展程序，将文件夹选择即可安装插件。

注意：最新版本的chrome浏览器直接拖放安装时会出现“程序包无效CRX-HEADER-INVALID”的报错信息，参照这篇文章即可解决