Blob分析--焊点检查

* ball_seq.hdev: Inspection of Ball Bonding
* 焊点检查
dev_update_off ()
ImageNames := 'die/' + ['die_02','die_03','die_04','die_07']
dev_set_colored (12)
read_image (Bond, ImageNames[0])
get_image_size (Bond, Width, Height)
dev_close_window ()
dev_open_window (0, 0, Width, Height, 'black', WindowHandle)
set_display_font (WindowHandle, 16, 'mono', 'true', 'false')
dev_set_draw ('margin')
dev_set_line_width (3)
NumImages := |ImageNames|
for I := 0 to NumImages - 1 by 1read_image (Bond, ImageNames[I])dev_display (Bond)*用于提取 Regions 所在区域图像的最大与最小灰度值min_max_gray (Bond, Bond, 0, Min, Max, Range)*阈值分割threshold (Bond, Bright, Max - 80, 255)*形状变换（最小外接矩形）shape_trans (Bright, Die, 'rectangle2')dev_display (Die)*获取新的标记区域,新的区域是由旧的区域与第2个参数相交所得reduce_domain (Bond, Die, DieGrey)*用于提取 Regions 所在区域图像的最大与最小灰度值min_max_gray (Die, Bond, 0, Min, Max, Range)*阈值分割threshold (DieGrey, Wires, 0, Min + 30)*填充输入区域中具有给定形状特征的孔。参数特征决定了要使用的形状特征,*而Min和Max确定了为了填补这个洞的形状特征的范围fill_up_shape (Wires, WiresFilled, 'area', 1, 100)*开运算（先腐蚀后膨胀）opening_circle (WiresFilled, Balls, 9.5)*连通区域分割connection (Balls, SingleBalls)*函数根据Shape指定的形状特征，从Regions 选择满足特征的区域，保存到SelectedRegions select_shape_std (SingleBalls, Rect, 'rectangle1', 90)*检测region形状的差别，计算对象是两个region，不考虑region灰度值是否有差异difference (SingleBalls, Rect, IntermediateBalls)*创建一个空白的区域gen_empty_region (Forbidden)*依据灰度值或颜色填充两个区域的间隙或分割重叠区域expand_gray (IntermediateBalls, Bond, Forbidden, RegionExpand, 4, 'image', 6)*开运算（先腐蚀后膨胀）opening_circle (RegionExpand, RoundBalls, 15.5)*对区域进行排序sort_region (RoundBalls, FinalBalls, 'first_point', 'true', 'column')*计算一个给定区域的最小外接圆参数smallest_circle (FinalBalls, Row, Column, Radius)NumBalls := |Radius|Diameter := 2 * RadiusmeanDiameter := sum(Diameter) / NumBallsmimDiameter := min(Diameter)dev_display (RoundBalls)if (I != NumImages)disp_continue_message (WindowHandle, 'black', 'true')endifstop ()
endfor