hough变换指针识别
指针仪表识别，透视变换校正倾斜指针，hough变换进行指针提取，最后读数。
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运行报错，不能看到效果。 错误相关信息：warning: ft_text_renderer: failed to decode string `❄❄❄ҶȻ❄❄❄ԭͼ❄❄❄❄❄❄бУ❄❄❄❄❄❄❄❄' with locale `C' warning: called from title at line 53 column 3 mian at line 14 column 29 !!! OUT OF TIME !!! warning: range error for conversion to character value warning: called from __
运行报错，不能看到效果。 错误相关信息：warning: ft_text_renderer: failed to decode string `❄❄❄ҶȻ❄❄❄ԭͼ❄❄❄❄❄❄бУ❄❄❄❄❄❄❄❄' with locale `C' warning: called from title at line 53 column 3 mian at line 14 column 29 !!! OUT OF TIME !!! warning: range error for conversion to character value warning: called from __