![canvas[ymin_valid:ymax_valid + 1 xmin_valid:xmax_valid + 1] = np.fmax](https://1500zi.500zi.com/uploadfile/img/15/740/978d4fc9b685ff1cfdf13a90634405ed.jpg)
canvas[ymin_valid:ymax_valid + 1, xmin_valid:xmax_valid + 1] = np.fmax(
ValueError: could not broadcast input array from shape (51,0) into shape (51,1)
数据错误类型：
文本检测数据格式：
四个坐标的排列，才不会出现ValueError: could not broadcast input array from shape (51,0) into shape (51,1)
![python定义fmax_Python标准库:内置函数max(iterable *[ key default])说明](https://1500zi.500zi.com/uploadfile/img/15/909/b4bcdc474f7b6fabbef4dec89d704afb.jpg)
