def word_column_split(word): # 对单个字符在进行一次垂直分割，取出不必要的左右的空间
v, groups, widths = preprocess.column_shadow(word, color=255)
if len(widths) == 0:
return None
# 取占比最宽的groups
maxIndex = np.argmax(widths) # 宽度最大的占比，作为最终的字符位置
return groups[maxIndex]
def _get_col(timg):
v, groups, widths = preprocess.column_shadow(timg)
index = np.argmax(widths)
return groups[index]