* This programm shows the extraction of surface scratches via * local thresholding(局部阈值） and morphological post-processing（形态后处理） *常规初始化 dev_update_off () dev_close_window () * * Step 1: Acquire image * * read_image (Image, 'surface_scratch') *Good * read_image (Image, 'C:/Users/Administrator/Desktop/漏检缺陷图片/7_[0]_ORIGIN_201310 4 112551.jpg') *图像噪点多，可通过选择像素大小筛选 * read_image (Image, 'C:/Users/Administrator/Desktop/漏检缺陷图片/13.10.4第二个算法下-较暗（可变框）/边缘漏涂/187_[110]_INIT_ORIGIN_201310 4 1129 5.jpg') * read_image (Image, 'C:/Users/Administrator/Desktop/漏检缺陷图片/13.10.4第二个算法下-较暗（可变框）/不明显/9_[8]_INIT_ORIGIN_201310 4 112554.jpg') * Image Acquisition 01: Code generated by Image Acquisition 01 *批量处理图片 ImageFiles := [] ImageFiles[0] := 'C:/Users/Administrator/Desktop/漏检缺陷图片/1 (2).jpg' ImageFiles[1] := 'C:/Users/Administrator/Desktop/漏检缺陷图片/1 (3).jpg' ImageFiles[2] := 'C:/Users/Administrator/Desktop/漏检缺陷图片/1.jpg' ImageFiles[3] := 'C:/Users/Administrator/Desktop/漏检缺陷图片/2 (2).jpg' for Index := 0 to |ImageFiles| - 1 by 1 * stop () read_image (Image, ImageFiles[Index]) * Image Acquisition 01: Do something get_image_size (Image, Width, Height) *设置打开窗口大小、字体 dev_open_window_fit_image (Image, 0, 0, Width, Width, WindowID) set_display_font (WindowID, 16, 'mono', 'true', 'false') *设置标记的填充模式和线宽 dev_set_draw ('margin') dev_set_line_width (4) dev_display (Image) *显示悬浮文字提示 *赋值符号：= Message := 'This program shows the extraction of' Message[1] := 'surface scratches via local thresholding' Message[2] := 'and morphological post-processing' disp_message (WindowID, Message, 'window', 12, 12, 'black', 'true') *在右下角显示“Press Run to continue" disp_continue_message (WindowID, 'black', 'true') * stop () * * Step 2: Segment image * * Using a local threshold *通过实验对比，对Image进行15*15均值滤波效果较好 mean_image (Image, ImageMean, 15, 15) *比较均值滤波图像ImageMean和原始图像Image，返回滤波图像灰度值阈值差大于4的区域 dyn_threshold (Image, ImageMean, DifPixels, 4, 'not_equal') * dyn_threshold (Image, ImageMean, LightPixels, 5, 'light') *合并明暗区域 * union2 (DarkPixels, LightPixels, RegionUnion1) * Extract connected components connection (DifPixels, ConnectedRegions) *设置混合输出颜色为12种 dev_set_colored (3) dev_display (Image) dev_display (ConnectedRegions) Message := 'Connected components after image segmentation' Message[1] := 'using a local threshold.' disp_message (WindowID, Message, 'window', 12, 12, 'black', 'true') disp_continue_message (WindowID, 'black', 'true') * stop () * * Step 3: Process regions * * Select large regions *从ConnectedRegions中得到面积大于5小于1000的区域到SelectedRegions.可通过改变值调整筛选精度，滤除噪点 select_shape (ConnectedRegions, SelectedRegions, 'area', 'and', 5, 99999) dev_display (Image) dev_display (SelectedRegions) disp_message (WindowID, 'Large Regions', 'window', 12, 12, 'black', 'true') disp_continue_message (WindowID, 'black', 'true') * stop () * * Visualize fractioned scratch *打开局部显示窗口，RowROI1、RowROI1、RowROI2、ColROI2分别是要显示区域的坐标。可按F7单步跳入函数查看。 *取整运算：round(width/2) * open_zoom_window (0, 0, 2, 303, 137, 496, 3, WindowHandleZoom) * dev_set_color ('blue') * dev_display (Image) * dev_display (SelectedRegions) * set_display_font (WindowHandleZoom, 16, 'mono', 'true', 'false') * disp_message (WindowHandleZoom, 'Fractioned scratches', 'window', 12, 12, 'black', 'true') * disp_continue_message (WindowHandleZoom, 'black', 'true') * stop () * * Merge fractioned scratches via morphology *合并SelectedRegions的并集到RegionUnion union1 (SelectedRegions, RegionUnion) *以3.5作为圆形区域扩张的半径，对RegionUnion扩张得到RegionDilation dilation_circle (RegionUnion, RegionDilation, 3.5) dev_display (Image) dev_display (RegionDilation) Message := 'Region of the scratches after dilation' disp_message (WindowID, Message, 'window', 12, 12, 'black', 'true') disp_continue_message (WindowID, 'black', 'true') * stop () *由RegionDilation获取骨架给Skeleton skeleton (RegionDilation, Skeleton) connection (Skeleton, Errors) dev_set_colored (12) dev_display (Image) dev_display (Errors) Message := 'Fractioned scratches merged via morphology' disp_message (WindowID, Message, 'window', 12, 12, 'black', 'true') disp_continue_message (WindowID, 'black', 'true') * stop () * * Distinguish small and large scratches * close_zoom_window (WindowHandleZoom, Width, Height) select_shape (Errors, Scratches, 'area', 'and', 50, 10000) select_shape (Errors, Dots, 'area', 'and', 1, 50) dev_display (Image) dev_set_color ('red') dev_display (Scratches) dev_set_color ('blue') dev_display (Dots) Message := 'Extracted surface scratches' Message[1] := 'Not categorized as scratches' *注意可为每行文字设置不同颜色 * disp_message (WindowID, Message, 'image', 440, 310, ['red','blue'], 'true') *保存窗口显示内容 dump_window_image (Image, WindowID) *自动按序号保存图像 write_image (Image, 'jpeg 60', 0, ('C:/Users/Administrator/Desktop/缺陷标记/Defect'+Index)+'.jpg') *关闭窗口显示，减少内存占用 dev_close_window () stop() endfor |
