分割を使ってテキスト認識を向上させる
不均等な照明の下での特徴は通常正しく認識されない．
| In[1]:= |  X |
この場合TextRecognizeは失敗し，「k」という文字だけしか返さない．
| In[2]:= |  X |
| Out[2]= |  |
テキスト認識の前に，局所的に適応型分割を使って不均等な照明を除去する．
| In[3]:= |  X |
| Out[3]= |  |
| In[4]:= |  X |
| Out[4]= |  |
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