[爬蟲實戰] 如何破解高鐵驗證碼 (2) - 使用迴歸方法去除多餘弧線?
Synopsis
在去除掉腦人的噪音點後，如何該去除掉跟字一樣粗的弧線便是大問題。所幸，所有高鐵驗證碼的弧線都可以簡單的用一個二項式 ...
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