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怎么验证码图片反处理，求大神指教

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Release： 2016-06-13 12:16:19
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如何验证码图片反处理，求大神指教
如题 现在有一个需求是将app扫描的图片解析成字符串  由于app大小限制 需要后端解析 验证码图片特点如下

没有画布干扰
内容由6位大写字母与数字组成
文字没有倾斜或其他干扰
文字大小颜色固定
验证码图片大小背景固定
形象点的就像汽车牌照

小弟冥思苦想三日不得解
跪求各位大神，指点下思路，能使用java,php等实现并付上代码的跪谢


------解决思路----------------------
java 有现成的类库
php 可做（网上有简易代码）但很复杂，效果不佳

Related labels：
app java nbsp php
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