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HALCON示例程序rim.hdev轮圈孔检测提取字符
示例程序源码#xff08;加注释#xff09;
关于显示类函数解释 dev_update_off () dev_close_window () dev_open_window (0, 0, 768, 576, ‘black’, WindowID) set_display_font …小哥哥小姐姐觉得有用点个赞呗
HALCON示例程序rim.hdev轮圈孔检测提取字符
示例程序源码加注释
关于显示类函数解释 dev_update_off () dev_close_window () dev_open_window (0, 0, 768, 576, ‘black’, WindowID) set_display_font (WindowID, 16, ‘mono’, ‘true’, ‘false’) read_image (Rim, ‘rim’) dev_display (Rim) disp_continue_message (WindowID, ‘black’, ‘true’) stop ()二值化 threshold (Rim, Dark, 0, 128) dev_display (Rim) dev_set_color (‘green’) dev_set_draw (‘fill’) dev_display (Dark) disp_continue_message (WindowID, ‘black’, ‘true’) stop ()分割连通域 connection (Dark, DarkRegions)使用圆度与面积筛选区域 select_shape (DarkRegions, Circles, [‘circularity’,‘area’], ‘and’, [0.85,50], [1.0,99999]) dev_display (Rim) dev_set_colored (12) dev_display (Circles) disp_continue_message (WindowID, ‘black’, ‘true’) stop ()使用圆形膨胀 dilation_circle (Circles, ROIOuter, 8.5)使用圆形腐蚀 erosion_circle (Circles, ROIInner, 8.5)求不同 difference (ROIOuter, ROIInner, ROI)合并区域 union1 (ROI, ROIEdges) dev_display (Rim) dev_set_draw (‘margin’) dev_set_line_width (3) dev_set_color (‘green’) dev_display (ROIEdges) disp_continue_message (WindowID, ‘black’, ‘true’) stop ()缩减定义域求取边缘 reduce_domain (Rim, ROIEdges, RimReduced) edges_sub_pix (RimReduced, Edges, ‘canny’, 4, 20, 40)筛选边缘 select_contours_xld (Edges, RelEdges, ‘length’, 30, 999999, 0, 0) dev_display (Rim) dev_set_colored (12) dev_display (RelEdges) disp_continue_message (WindowID, ‘black’, ‘true’) stop ()拟合椭圆 fit_ellipse_contour_xld (RelEdges, ‘ftukey’, -1, 2, 0, 200, 3, 2, Row, Column, Phi, Ra, Rb, StartPhi, EndPhi, PointOrder) display_ellipses (Rim, Row, Column, Phi, Ra, Rb, WindowID) disp_continue_message (WindowID, ‘black’, ‘true’) stop ()使用高斯平滑滤波 gauss_filter (Rim, RimGauss, 11)动态阈值分割区域 dyn_threshold (Rim, RimGauss, SmallAndDarkerRegion, 5, ‘dark’) dev_display (Rim) dev_set_draw (‘fill’) dev_set_color (‘green’) dev_display (SmallAndDarkerRegion) disp_continue_message (WindowID, ‘black’, ‘true’) stop ()分割连通域 connection (SmallAndDarkerRegion, SmallAndDarker)通过面积筛选区域 select_shape (SmallAndDarker, CharCandidates, ‘area’, ‘and’, 40, 400)使用长短轴筛选区域 select_shape (CharCandidates, PossibleChar, [‘ra’,‘rb’], ‘and’, [10,5], [20,30]) dev_display (Rim) dev_set_colored (12) dev_display (PossibleChar) disp_continue_message (WindowID, ‘black’, ‘true’) stop ()合并区域 union1 (PossibleChar, ROI)使用圆形元素进行闭运算 closing_circle (ROI, CharRegion, 17.5)分割连通域 connection (CharRegion, CharBlocks) dev_display (Rim) dev_set_draw (‘margin’) dev_display (CharBlocks) disp_continue_message (WindowID, ‘black’, ‘true’) stop ()使用面积对区域进行筛选 select_shape (CharBlocks, CharRegion, ‘area’, ‘and’, 400, 99999)对区域进行型转变换求取最小外接矩形 shape_trans (CharRegion, ROIChar, ‘rectangle2’) dev_display (Rim) dev_set_color (‘green’) dev_display (ROIChar) disp_continue_message (WindowID, ‘black’, ‘true’) stop () display_ellipses (Rim, Row, Column, Phi, Ra, Rb, WindowID)求取交集 intersection (CharCandidates, ROIChar, Characters) dev_set_colored (12) dev_display (Characters)求最小外接矩形 smallest_rectangle2 (ROIChar, RowChar, ColumnChar, PhiChar, Length1Char, Length2Char)创建标准转换矩阵 hom_mat2d_identity (HomMat2DIdentity)旋转 hom_mat2d_rotate (HomMat2DIdentity, rad(180) - PhiChar, RowChar, ColumnChar, HomMat2DRotate)平移 affine_trans_region (Characters, CharRotated, HomMat2DRotate, ‘constant’)进行仿射变换 affine_trans_image (Rim, RimRotated, HomMat2DRotate, ‘weighted’, ‘false’) dev_open_window (0, 800, 192, 144, ‘black’, WindowChar)合并区域 union1 (CharRotated, CharRotatedAll)求区域最小外接矩形 smallest_rectangle1 (CharRotatedAll, Row1, Column1, Row2, Column2) ZoomHeight : Row2 - Row1 1 ZoomWidth : Column2 - Column1 1 ZoomFactor : min([768 / ZoomWidth,576 / ZoomHeight]) ZoomRow : (Row1 Row2) / 2 ZoomColumn : (Column1 Column2) / 2 dev_set_part (ZoomRow - 576 / ZoomFactor / 2, ZoomColumn - 768 / ZoomFactor / 2, ZoomRow 576 / ZoomFactor / 2 - 1, ZoomColumn 768 / ZoomFactor / 2 - 1) dev_display (RimRotated) dev_set_draw (‘fill’) dev_set_colored (12) dev_display (CharRotated)
处理思路
这个例子是主要讲解了使用blob方法进行孔洞测量使用动态阈值进行字符区域提取。
后记
大家有什么问题可以向我提问哈我看到了第一时间回复希望在学习的路上多多结交良师益友。
