The folder has six M-file, as follows: boundary_extraction.m: the main function of the target area boundary extraction, which calls ostu, four_neighbor, eight_neighbor, globe_graph otsu.m: class discriminant classification (otsu global binarization algorithm) four_neighbor . m: neighbors-domain method boundary extraction eight_neighbor.m: eight neighborhood boundary extraction method globe_graph.m: Global detection boundary extraction area_peri.m: calculate the circumference of the main function of the target area, call ostu 4A.bmp face.bmp gun.bmp : The original grayscale pictures PeriAnalysis.txt: recorded during the experiment the total number of the target area and their perimeter results Folder: to save the images generated during the experiment and the program flow chart

实验五\4A.bmp
......\area_peri.m
......\boundary_extraction.m
......\eight_neighbor.m
......\face.bmp
......\four_neighbor.m
......\globe_graph.m
......\gun.bmp
......\otsu.m
......\PeriAnalysis.txt
......\实验结果\4A周长.txt
......\........\face周长.txt
......\........\gun周长.txt
......\........\Thumbs.db
......\........\区域周长流程图.png
......\........\实例101.png
......\........\实例102.png
......\........\实例103.png
......\........\实例104.png
......\........\实例201.png
......\........\实例202.png
......\........\实例203.png
......\........\实例204.png
......\........\实例205.png
......\........\实例206.png
......\........\边界抽取流程图.png
......\源文件使用说明.txt
......\实验结果
实验五

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