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Example code of 0377/image-ocr

Informations about the package image-ocr

ImageOCR

php验证码识别库，对于非粘连字符具有很好的识别效果，对于一般粘连字符也能有较为良好的识别 除噪算法支持孤立点除杂和连通域除噪，分割算法支持等宽分割、连通域分割以及滴水算法分割

示例效果

Install

使用方法

例子详见example

大致流程：

初始化

对象初始化

初始化二值化阈值

初始化标准化图片宽高

开启Debug

灰度化

二值化

注意：这一步的前提是需要先执行上一步灰度化，不然会抛出一个错误

二值化支持两种方式，第一种$image_ocr->hash($max_grey=null,$min_grey=null)即为上面那种固定的阈值范围，第二种为hashByBackground($model=self::MAX_MODEL,$max_grey=null,$min_grey=null)，通过背景图像的灰度值，动态取阈值，支持三种模式MAX_MODEL,MIN_MODEL,BG_MODEL分别是最大值、最小值和背景模式，最大值模式会用背景的灰度值替换阈值的上限，最小值模式替换下限，背景模式上下限都替换，即为只去除背景

除噪点

前置条件为二值化

孤立点除噪法 `

连通域除噪法 [如果要使用连通域分割法，可以跳过连通域除噪点，分割的同时可以一并除噪] `

分割

非粘连字符串

连通域分割法 `

粘连字符串

滴水算法分割

TODO: 待测试

标准化

`

识别

TODO:待完善

API

CHANGELOG

0.2 [2017-4-1]

0.1 [2016-10-7]

  1. 默认模板保存方式由数据库改为文件，保存路径为./db/db.json
  2. 使用composer安装

All versions of image-ocr with dependencies

PHP Build Version
Package Version
Requires php Version >5.5
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