<?xml version="1.0" encoding="UTF-8"?><hdevelop file_version="1.0" halcon_version="10.0" cs="731527401"><procedure name="main"><interface/><body><c></c><l>dev_update_on()</l><c></c><l>read_image (Image, '4209578_094636705368_2.jpg')</l><c></c><c></c><c></c><l>disp_message (3600, '请框选出要寻找圆的外围', 'window', 12, 12, 'black', 'true')</l><l>draw_circle (3600, Row, Column, Radius)</l><l>gen_circle_contour_xld (ContCircle, Row, Column, Radius, 0, 6.28318, 'positive', 1)</l><l>disp_message (3600, '请框选出要寻找圆的内圈', 'window', 12, 12, 'black', 'true')</l><c></c><l>draw_circle (3600, Row1, Column1, Radius1)</l><l>gen_circle_contour_xld (ContCircle2, Row1, Column1, Radius1, 0, 6.28318, 'positive', 1)</l><c></c><l> findcircle (Image, 30, Row, Column, Radius, Radius1, 20, 1, Rowin, Colin, Radiusin)</l><l>disp_message (3600, '找到目标圆 ', 'window', 12, 12, 'black', 'true')</l><c></c><l>gen_circle_contour_xld (ContCircle1, Rowin, Colin, Radiusin, 0, 6.28318, 'positive', 1)</l><c></c><c></c><c></c></body><docu id="main"><parameters/></docu></procedure><procedure name="findcircle"><interface><io><par name="Image"/></io><ic><par name="PointsNumber"/><par name="RowBigger"/><par name="ColBigger"/><par name="RadiusBigger"/><par name="RadiusSmall"/><par name="Threshold"/><par name="Direction"/></ic><oc><par name="Rowout"/><par name="Colout"/><par name="Radiusout"/></oc></interface><body><c></c><c>* 函数名: findcircle</c><c>* 函数说明:该函数为自定义的找圆函数</c><c>* 该函数需要传入一个圆环，沿着圆环的径向去寻找圆周</c><c>* 默认的查找方向是从外环往内环去找</c><c></c><c>* time 2013-02-23</c><c></c><c>* 输入参数说明:</c><c>* Image: 传入的图像句柄</c><c>* PointsNumber: 寻边所用的点的个数，一般设置成30左右，一般来说越多越精确，但是也越慢</c><c>* RowBigger: 传入的圆环的圆心 y</c><c>* ColBigger: 传入的圆环的圆心 x</c><c>* RadiusBigger: 外环的半径</c><c>* RadiusSmall: 内环的半径</c><c>* Threshold: 图像的阈值，这个参数很有用，需要根据图像的效果来微调该参数</c><c>* Direction: 找圆的方向，0--从外向内</c><c>* 1--从内向外 </c><c></c><c>*输出参数说明</c><c>* Rowout:找到的圆周的圆心Y</c><c>* Colout:找到的圆周的圆心X</c><c>* Radiusout:找到的圆周的半径</c><c></c><c></c><l>dev_update_off()</l><l>* gen_circle_contour_xld (ContCircle, Rowoutter, Coloutter, RadiusBigger, 0, 6.28, 'positive', 4)</l><c></c><l>point_number:=PointsNumber</l><l>rad_step:=6.28/point_number</l><c></c><c></c><l>Rowoutter:=[]</l><l>Coloutter:=[]</l><l>Row_inner:=[]</l><l>Col_inner:=[]</l><c></c><c></c><c></c><c>*生成第1个圆的圆周点</c><l>for Index := 1 to point_number by 1</l><l> Row0 := RowBigger RadiusBigger*sin(rad_step*Index)</l><l> Col0 := ColBigger RadiusBigger*cos(rad_step*Index)</l><l> Rowoutter[Index-1]:=Row0</l><l> Coloutter[Index-1]:=Col0</l><l>endfor</l><c></c><c>*显示第1个圆的所有圆周点</c><l> disp_cross (3600, Rowoutter, Coloutter, 20, 1)</l><c></c><c></c><c>*生成第2个圆的圆周点</c><l>for Index := 1 to point_number by 1</l><l> Row0 := RowBigger RadiusSmall*sin(rad_step*Index)</l><l> Col0:= ColBigger RadiusSmall*cos(rad_step*Index)</l><l> Row_inner[Index-1]:=Row0</l><l> Col_inner[Index-1]:=Col0</l><l>endfor</l><c></c><c>*显示第2个圆的所有圆周点</c><l> disp_cross (3600, Row_inner, Col_inner, 20, 1)</l><c> </c><c> </c><c>*准备测量用的测量框所需要的信息 </c><l>for Index := 1 to point_number by 1</l><c></c><l> row_rect[Index-1]:=(Row_inner[Index-1] Rowoutter[Index-1])/2</l><l> col_rect[Index-1]:=(Col_inner[Index-1] Coloutter[Index-1])/2</l><l> tuple_abs (RadiusBigger-RadiusSmall, Abs)</l><l> tuple_gen_const (point_number, Abs/2, Len1_rect)</l><l> length2 :=30</l><l> tuple_gen_const (point_number, length2, Len2_rect)</l><c></c><l> gen_arrow_contour_xld (Arrow, Rowoutter[Index-1],Coloutter[Index-1], Row_inner[Index-1],Col_inner[Index-1], 50, 20)</l><c></c><l> if(rad_step*Index>3.1415926)</l><l> rad2[Index-1]:=3.1415926-rad_step*Index</l><l> else</l><l> rad2[Index-1]:=-3.1415926-rad_step*Index</l><l> endif</l><c> </c><l> if(Direction=1)</l><l> rad2[Index-1]:=3.14 rad2[Index-1]</l><l> endif</l><l>endfor</l><c></c><c></c><l>* stop()</l><c></c><c></c><c></c><c>*计算相对模板圆心的坐标补偿</c><l>row_delta:=0 </l><c>*Row_circle-row_std</c><l>col_delta:=0 </l><c>*Col_circle-col_std</c><c></c><l>get_image_size (Image, Width, Height)</l><c></c><l>for i:=0 to point_number-1 by 1</l><c> *这里生成矩形只是为了显示，对算法没有帮助</c><c> *注意row_delta和col_delta，这是和模板计算相对roi距离时需要的</c><l> gen_rectangle2_contour_xld(conu,row_rect[i] row_delta, col_rect[i] col_delta, rad2[i],Len1_rect[i], Len2_rect[i])</l><l> gen_measure_rectangle2 (row_rect[i] row_delta, col_rect[i] col_delta, rad2[i],Len1_rect[i], Len2_rect[i], Width, Height, 'nearest_neighbor', MeasureHandle)</l><l> measure_pos (Image, MeasureHandle, 12, Threshold, 'all', 'first', RowEdge, ColumnEdge, Amplitude, Distance)</l><c> </c><l> close_measure (MeasureHandle)</l><c></c><l> disp_cross (3600, RowEdge, ColumnEdge, 40, 0)</l><c> </c><l> tuple_length (RowEdge, Length)</l><c></c><c> *取不到点置为-1，待后续剔除点对</c><l> if(Length<1)</l><l> row_o[i]:=-1 </l><l> col_o[i]:=-1</l><l> else</l><c> *如果取到很多个点，默认取第一个点</c><c> *TODO:这里需要精算取到的多个点的特性，避免误取</c><l> row_o[i]:=RowEdge[0]</l><l> col_o[i]:=ColumnEdge[0]</l><l> endif</l><c> </c><l>endfor</l><c>*过滤无效的点信息</c><l>tuple_find(row_o,-1,indice)</l><l>tuple_remove(row_o,indice,row_o2)</l><l>tuple_remove(col_o,indice,col_o2)</l><c></c><l>gen_contour_polygon_xld (Contour, row_o2, col_o2)</l><l>fit_circle_contour_xld (Contour, 'geotukey', -1, 0, 0, 3, 2, RowX, ColumnX, RadiusX, StartPhi1, EndPhi1, PointOrder1)</l><c> </c><c></c><l>Rowout:=RowX</l><l>Colout:=ColumnX</l><l>Radiusout:=RadiusX</l><l>* stop()</l><c></c><c> </c><c></c><l>return ()</l></body><docu id="findcircle"><example lang="zh_CN">read_image (Image, 'C:/Users/John/Desktop/halcon_rearcamera/12/11.bmp')point_number:=50disp_message (3600, '请绘大圆，寻找方向为从大圆往小圆去找', 'image', 12, 12, 'black', 'true')draw_circle (3600, Row, Column, Radius)gen_circle_contour_xld (ContCircle, Row, Column, Radius, 0, 6.28, 'positive', 4)disp_message (3600, '请绘制小圆，寻找方向为从大圆往小圆去找', 'image', 12, 12, 'black', 'true')draw_circle (3600, Row1, Column1, Radius1)gen_circle_contour_xld (ContCircle, Row, Column, Radius1, 0, 6.28, 'positive', 4) *自定义找圆函数 findcircle (Image, point_number, Row, Column, Radius, Radius1, 9, Rowout, Colout, Radiusout)*圆周查找结束 dev_set_color ('green') dev_set_line_width (3) *取得外环的圆心坐标，并且显示出来 gen_circle_contour_xld (ContCircle, Rowout, Colout, Radiusout, 0, 6.28318, 'positive', 1)*///////////外圆查找结束disp_message (3600, '找到圆周，(' Rowout ',' Colout ')' ' 半径 ' Radiusout, 'image', 12, 12, 'black', 'true') </example><parameters><parameter id="ColBigger"><default_value>0</default_value><description lang="zh_CN">传入的圆环的圆心 x</description><sem_type>real</sem_type></parameter><parameter id="Colout"><description lang="zh_CN">找到的圆周的圆心X</description><sem_type>real</sem_type></parameter><parameter id="Direction"><default_value>0</default_value><description lang="zh_CN">找圆的方向，0--从外向内 1--从内向外 </description><sem_type>number</sem_type></parameter><parameter id="Image"><description lang="zh_CN">传入的图像句柄</description><multichannel>optional</multichannel><sem_type>image</sem_type></parameter><parameter id="PointsNumber"><default_value>30</default_value><description lang="zh_CN">寻边所用的点的个数，一般设置成30左右，一般来说越多越精确，但是也越慢</description><sem_type>integer</sem_type><type_list><item>integer</item></type_list></parameter><parameter id="RadiusBigger"><description lang="zh_CN">外环的半径</description><sem_type>real</sem_type></parameter><parameter id="RadiusSmall"><description lang="zh_CN">内环的半径</description><sem_type>real</sem_type></parameter><parameter id="Radiusout"><description lang="zh_CN">找到的圆周的半径</description><sem_type>real</sem_type></parameter><parameter id="RowBigger"><default_value>0</default_value><description lang="zh_CN">传入的圆环的圆心 y</description><sem_type>real</sem_type></parameter><parameter id="Rowout"><description lang="zh_CN">找到的圆周的圆心Y</description><sem_type>real</sem_type></parameter><parameter id="Threshold"><default_value>8</default_value><description lang="zh_CN">图像的阈值，这个参数很有用，需要根据图像的效果来微调该参数</description><sem_type>real</sem_type></parameter></parameters></docu></procedure></hdevelop>
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