mean_image

gen_region_line (RegionLines1, Row2, Column2, Row1, Column1)

angle_lx ( Row2, Column2, Row1, Column1, Angle)

iconfont-阿里巴巴矢量图标库

mean_image (GrayImage, ImageMean, 19, 19)
dyn_threshold (GrayImage, ImageMean, RegionDynThresh, 5, 'dark')

rgb1_to_gray (Image, GrayImage)
*预处理——均值滤波
mean_image (GrayImage, ImageMean, 10, 10)
*配合均值滤波使用
dyn_threshold (GrayImage, ImageMean, RegionDynThresh, 3, 'dark')

closing_rectangle1 (RegionDynThresh, RegionClosing,1, 2.5)
connection (RegionClosing, ConnectedRegions)

mean_image dyn_threshold