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rogwan
V2EX  ›  Python

chardet 检测编码出现错误,一般用什么方式纠正呢?

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  •   rogwan · Sep 16, 2017 · 2551 views
    This topic created in 3297 days ago, the information mentioned may be changed or developed.

    汉字编码的字符,识别出来是 Russian:

    {'encoding': 'ISO-8859-5', 'language': 'Russian', 'confidence': 0.21185371684458437}
    

    当然 confidence 也显示的很低的。出现这种 confidence 过低的情况,基本就是误判了,有什么方式纠正吗?

    2 replies  •  2017-09-16 16:38:01 +08:00
    DoctorCat
        1
    DoctorCat  
       Sep 16, 2017
    只能优化算法了吧。
    官方给了个原理性的 paper 链接: http://www-archive.mozilla.org/projects/intl/UniversalCharsetDetection.html
    可以重点看看 GB2312 的 confidence 计算方式
    janxin
        2
    janxin  
       Sep 16, 2017 via iPhone
    要内容够多越多越准
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