C++:void HoughLinesP(InputArray图像,OutputArray线,双rho,双θ,int门限,双minLineLength=0,双重maxLineGap=0 )threshold – Accumulator threshold parameter. Only those lines are returned that get enough votes ( >\texttt{threshold} ).
我需要创建能够读取多个csv文件的代码,在文件中查找常见标题的列,并在数组中提取它们。我正在用作为数据帧导入的.csv文件填充python字典,以便能够在for循环中调用它们。但是,我不知道for循环从dict的每一项中提取列会是什么样的。str(input('Type name of file #'+str(i+1)+': '))
d[i]= pd.read_csv(inp, sep=