跟我学机器视觉

跟我学机器视觉-HALCON学习例程中文详解-IC引脚测量*LeadMeasurement:Examplefortheapplicationofthemeasureobject*includingalotofvisualizationoperators.*First,thelengthoftheleadsismeasured,then,theirwidthanddistancefromeachother.***First,readintheimageandinitializetheprogramread_image(Image,'ic_pin')*****************取得图像第一通道的指针,同时得到图像宽度高度*********get_image_pointer1(Image,Pointer,Type,Width,Height)dev_close_window()dev_open_window_fit_image(Image,0,0,509,509,WindowHandle)set_display_font(WindowHandle,14,'mono','true','false')dev_set_draw('margin')dev_set_line_width(3)*、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、!>dev_display(Image)k1*k1*k1*显示图像如下：*DefineanddisplaytherectangularROIswithinwhichtheedgeswillbedetectedRow:=55RowBottom:=955

Column:=200Phi:=rad(-90)Length1:=50Length2:=35dev_set_color('gray')gen_rectangle2(Rectangle,Row,Column,Phi,Length1,Length2)gen_rectangle2(Rectangle,RowBottom,Column,Phi,Length1,Length2)*************************测量位置如绿色矩形所示下:**************************图形窗□:3600-Rectangle易丨询也亀％*图形窗□:3600-Rectangle易丨询也亀％*H适应窗口- 100%★disp_continue_message(WindowHandle,'black','true')stop()**CreateameasureobjectfortheROIatthetopoftheimage.******获取一阶灰度剖面图的插值方法，测量矩形框与图像坐标系之间有角度时生效******Interpolation:='nearest_neighbor'gen_measure_rectangle2(Row,Column,Phi,Length1,Length2,Width,Height,Interpolation,MeasureHandle)、!＞、!＞、!＞、!＞、!＞、!＞、!＞、!＞、!＞、!＞、!＞、!＞、!＞、!＞、!＞、!＞、!＞、!＞、!＞、!＞、!＞、!＞、!＞、!＞、!＞、!＞、!＞、!＞生成测量矩形框,、!＞、!＞、!＞、!＞、!＞、!＞、!＞、!＞、!＞、!＞、!＞、!＞、!＞、!＞、!＞、!＞、!＞、!＞、!＞、!＞、!＞、!＞、!＞、!＞、!＞、!＞、!＞、!＞生成测量矩形框,先测上部、、、、、、、、、、、、、、、、、、、、、、、、、、、、!＞**DeterminealledgesandcalculatetheleadheightatthetopoftheimageSigma:=1.0Threshold:=30

Transition:='all'Select:='all'一.、‘k1*k1*k1*k1*k1*k1*k1*k1*k1*k1*k1*k1*k1*k1*k1*k1*k1*k1*k1*k1*、一甲.measure_pos(Image,MeasureHandle,Sigma,Threshold,Transition,Select,RowEdge,ColumnEdge,Amplitude,Distance)LeadLength1:=Distance*Displaytheresultsdev_set_color('white')k1*k1*、k1*k1*、、、、、、、、、、、、、、、、、、、、、、、、k1*■M图旳窗口:3600-■M图旳窗口:3600-RectangleiiiiririiiiiinTmnmTiTvrjinmrnvjniPressRun(F5)tocontinue醪［观也欧％k11适应窗口F画100%kdisp_line(WindowHandle,RowEdge,ColumnEdge-Length2,RowEdge,ColumnEdge+Length2)disp_message(WindowHandle,'LeadLength:'+LeadLength1$'.2f','window',RowEdge[1]+40,ColumnEdge[1]+100,'yellow','false')*Shiftthemeasureobjectanddeterminetheleadheightatthebottomoftheimage************************转移测量框至新的参考坐标点,及测量下部******************translate_measure(MeasureHandle,RowBottom,Column)一.、‘k1*k1*k1*k1*k1*k1*k1*k1*k1*k1*k1*k1*k1*k1*k1*k1*k1*k1*k1*k1*k1*k1*k1*k1*k1*k1*k1*k1*k1*k1*k1*k1*、一应工甲.measure_pos(Image,MeasureHandle,Sigma,Threshold,Transition,Select,RowEdge,ColumnEdge,Amplitude,Distance)LeadLength2:=Distance

*Displaytheresultsdev_set_color('white')、、、、、、、、、、、、、、、、、k1************************************将测量结果画出适应窗口100%口叵区图旳窗□:3600-Rectangle***********************************将测量结果画出适应窗口100%口叵区图旳窗□:3600-RectanglePressRun(F5)tocontinue**Closethemeasureclose_measure(MeasureHandle)disp_continue_message(WindowHandle,'black','true')stop()**Now,defineanddisplayarectangularROIperpendiculartotheleadsandcreatethemeasuredev_display(Image)Row:=47Column:=485Phi:=0Length1:=420Length2:=8Interpolation:='nearest_neighbor'dev_set_color('black')*******************创建新的测量矩形ROI,如图蓝色矩形:gen_rectangle2(Rectangle,Row,Column,Phi,Length1,Length2)gen_measure_rectangle2(Row,Column,Phi,Length1,Length2,Width,Height,Interpolation,MeasureHandle)**Determinealledgepairsthathaveanegativetransition,i.e.,edgepairs*thatenclosedarkregions.Sigma:=1.0Threshold:=30Transition:='negative'Select:='all'measure_pairs(Image,MeasureHandle,Sigma,Threshold,Transition,Select,RowEdgeFirst,ColumnEdgeFirst,AmplitudeFirst,RowEdgeSecond,ColumnEdgeSecond,AmplitudeSecond,IntraDistance,InterDistance)disp_continue_message(WindowHandle,'black','true')stop()dev_set_color('white')disp_line(WindowHandle,RowEdgeFirst,ColumnEdgeFirst,RowEdgeSecond,ColumnEdgeSecond)avgLeadWidth:=sum(IntraDistance)/|IntraDistance|avgLeadDistance:=sum(InterDistance)/|InterDistance|numLeads:=|IntraDistance|disp_message(WindowHandle,'NumberofLeads:'+numLeads,'window',200,100,'yellow','false')disp_message(WindowHandle,'AverageLeadWidth:'+avgLeadWidth$'.2f','window',260,100,'yellow','false')disp_message(WindowHandle,'AverageLeadDistance:'+avgLeadDistance$'.2f','window',320,100,'yellow','false')disp_continue_message(WindowHandle,'black','true')disp_continue_message(WindowHandle,'black','true')stop()

*Zoomintovisualizethemeasurementresultsinmoredetail.*First,defineanddisplaythezoomwindow.Row1:=0Column1:=600Row2:=100Column2:=700dev_set_color('blue')k1*、、、、、、、、、、、、k1*、、、、、、、、、、、、、、、!>设置放大区域矩形并显示,图中绿色矩形disp_rectangle1(WindowHandle,Row1,Column1,Row2,Column2)disp_continue_message(WindowHandle,'black','true')stop()**Then,zoomtheimageanddisplaytheresults.k1*k1*、、、、、、、、、、、、、、、、、、!>设置图像放大区域并显示k1*k1*、、、、、、、、、、、、、、、、、、、、、、、、、、、、、k1*dev_set_part(Row1,Column1,Row2,Column2)dev_display(Image)、、、、、、、、、、、、k1*dev_set_color('black')**********************画出测量矩形ROI和测得的边缘如图dev_display(Rectangle)p_disp_edge_marker(RowEdgeFirst,ColumnEdgeFir