Halcon——获取圆的直径

最新推荐文章于 2025-06-19 10:02:59 发布

原创最新推荐文章于 2025-06-19 10:02:59 发布 · 5.1k 阅读

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#Halcon #圆 #直径

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本文展示了一个使用HALCON进行图像处理的示例代码，包括读取图像、尺寸获取、窗口打开、图像显示、阈值分割、区域连接、形状选择、边界提取、边缘检测和圆拟合等步骤。

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read_image (Image, 'C:/Users/caiqi/Desktop/halcon计划/测量/_4.png')
get_image_size (Image, Width, Height)
dev_open_window (0, 0, Width, Height, 'black', WindowHandle)
set_display_font (WindowHandle, 16, 'mono', 'true', 'false')
dev_set_draw ('margin')
dev_display (Image)
disp_continue_message (WindowHandle, 'black', 'true')
stop ()
dev_set_colored (12)
dev_set_line_width (2)
dev_set_draw ('fill')
fast_threshold (Image, Region, 200, 255, 20)
connection (Region, ConnectedRegions)
select_shape (ConnectedRegions, SelectedRegions, 'area', 'and', 150, 99999)
dev_display (Image)
dev_display (SelectedRegions)
disp_continue_message (WindowHandle, 'black', 'true')
stop ()
boundary (SelectedRegions, RegionBorder, 'inner_filled')
dev_clear_window ()
dev_display (RegionBorder)
disp_continue_message (WindowHandle, 'black', 'true')
stop ()
edges_sub_pix (Image, Edges, 'canny', 1, 10, 40)
fit_circle_contour_xld (Edges, 'algebraic', -1, 0, 0, 3, 2, Row, Column, Radius, StartPhi, EndPhi, PointOrder)
gen_circle_contour_xld (ContCircle, Row, Column, Radius, 0, 6.28318, 'positive', 1)