本篇文章为大家展示了Halcon算子的示例分析，内容简明扼要并且容易理解，绝对能使你眼前一亮，通过这篇文章的详细介绍希望你能有所收获。

在成都网站设计、成都网站建设、外贸网站建设过程中，需要针对客户的行业特点、产品特性、目标受众和市场情况进行定位分析，以确定网站的风格、色彩、版式、交互等方面的设计方向。成都创新互联公司还需要根据客户的需求进行功能模块的开发和设计，包括内容管理、前台展示、用户权限管理、数据统计和安全保护等功能。

read_image (Image,'fabrik')

*画矩形

draw_rectangle1 (3600, Row1, Column1, Row2, Column2)

gen_rectangle1 (Rectangle, Row1, Column1, Row2, Column2)

*缩减图像定义域

reduce_domain (Image, Rectangle, ImageReduced)

*阈值分割出感兴趣的部分

threshold (ImageReduced, Region, 0, 65)

*将不相互连接的区域分开为单独区域

connection (Region, ConnectedRegions)

*根据区域面积筛选出指定区域

select_shape (ConnectedRegions, SelectedRegions, 'area', 'and', 2500, 5150)

*************************测量算子*******************************

*画仿射矩形

draw_rectangle2 (3600, Row5, Column4, Phi1, Length2, Length3)

gen_rectangle2 (Rectangle1, Row5, Column4, Phi1, Length2, Length3)

*获取测量句柄

gen_measure_rectangle2 (Row5, Column4, Phi1, Length2, Length3, 512, 512, 'nearest_neighbor', MeasureHandle)

*句柄，平滑参数，灰度差，极性，选择边缘点，边缘中心y,x坐标，幅度，距离

measure_pos (Image, MeasureHandle, 6.1, 65, 'all', 'all', RowEdge, ColumnEdge, Amplitude, Distance)

gen_cross_contour_xld (Cross, RowEdge, ColumnEdge, 6, Phi1)

close_measure (MeasureHandle)

*************************图像--区域--轮廓************************

*区域转轮廓

gen_contour_region_xld (SelectedRegions, Contours, 'border')

*轮廓点坐标

get_contour_xld (Contours, Row, Col)

gen_cross_contour_xld (Cross1, Row, Col, 6, Phi1)

*轮廓拟合圆

fit_circle_contour_xld (Contours, 'algebraic', -1, 0, 0, 3, 2, Row3, Column, Radius, StartPhi, EndPhi, PointOrder)

gen_circle_contour_xld (ContCircle, Row3, Column, Radius, 0, 6.28318, 'positive', 1)

*轮廓拟合椭圆或椭圆弧

fit_ellipse_contour_xld (Contours, 'fitzgibbon', -1, 0, 0, 200, 3, 2, Row4, Column3, Phi, Radius1, Radius2, StartPhi1, EndPhi1, PointOrder1)

gen_ellipse_contour_xld (ContEllipse, Row4, Column3, Phi, Radius1, Radius2, 0, 6.28318, 'positive', 1.5)

**************************图像--轮廓**************************

*提取亚像素精度边缘轮廓

edges_sub_pix (ImageReduced, Edges, 'canny', 1, 20, 40)

*筛选出指定轮廓

select_contours_xld (Edges, SelectedContours, 'contour_length', 0, 50, -0.5, 0.5)

dev_set_color ('green')

*拟合直线

fit_line_contour_xld (SelectedContours, 'tukey', -1, 0, 5, 2, RowBegin, ColBegin, RowEnd, ColEnd, Nr, Nc, Dist)

disp_line (3600, RowBegin, ColBegin, RowEnd, ColEnd)

****************************拟合矩形****************************

*生成感兴趣的区域

read_image (Image, 'fabrik')

draw_rectangle1 (3600, Row11, Column11, Row2, Column2)

gen_rectangle1 (Rectangle, Row11, Column11, Row2, Column2)

reduce_domain (Image, Rectangle, ImageReduced)

*提取轮廓，拟合矩形

edges_sub_pix (ImageReduced, Edges, 'canny', 1, 20, 40)

select_contours_xld (Edges, SelectedContours, 'contour_length', 80, 800, -0.5, 0.5)

fit_rectangle2_contour_xld (SelectedContours, 'regression', -1, 0, 0, 3, 2, Row1, Column1, Phi1, Length21, Length31, PointOrder)

gen_rectangle2 (Rectangle1, Row1, Column1, Phi1, Length21, Length31)

***********************************计算垂足、夹角***************************************

read_image (Image, 'fabrik')

draw_rectangle1 (3600, Row1, Column1, Row2, Column2)

gen_rectangle1 (Rectangle, Row1, Column1, Row2, Column2)

reduce_domain (Image, Rectangle, ImageReduced)

edges_sub_pix (ImageReduced, Edges, 'canny', 1, 20, 40)

sort_contours_xld (Edges, SortedContours, 'upper_left', 'true', 'row')

*取轮廓上的点

select_obj (SortedContours, ObjectSelected, 2)

get_contour_xld (ObjectSelected, Row, Col)

*取轮廓上的线

select_obj (SortedContours, ObjectSelected1, 10)

fit_line_contour_xld (ObjectSelected1, 'tukey', -1, 0, 5, 2, RowBegin, ColBegin, RowEnd, ColEnd, Nr, Nc, Dist)

*计算点到线的垂足

projection_pl (Row[0],Col[0],RowBegin, ColBegin, RowEnd, ColEnd ,RowProj, ColProj)

*显示点、直线、垂足、垂线

gen_cross_contour_xld (Cross,Row[0],Col[0], 6, 0.785398)

disp_line (3600, RowBegin, ColBegin, RowEnd, ColEnd)

gen_cross_contour_xld (Cross1,RowProj, ColProj, 6, 0.785398)

disp_line (3600, Row[0],Col[0],RowProj, ColProj)

*计算两条直线的夹角

angle_ll ( RowBegin, ColBegin, RowEnd, ColEnd, Row[0],Col[0],RowProj, ColProj, Angle)

*弧度转角度deg,角度转弧度rad

Ang:=deg(Angle)

*计算直线和水平轴x的夹角

angle_lx (RowBegin, ColBegin, RowEnd, ColEnd, Angle1)

Ang1:=deg(Angle1)

angle_lx (Row[0],Col[0],RowProj, ColProj, Angle2)

Ang2:=deg(Angle2)

上述内容就是Halcon算子的示例分析，你们学到知识或技能了吗？如果还想学到更多技能或者丰富自己的知识储备，欢迎关注创新互联行业资讯频道。

分享文章：Halcon算子的示例分析
转载来源：http://myzitong.com/article/ppijch.html