麻烦把一下的matlab程序改写成数学表达式,1:% 获得区域minx = min(ix(:)); maxx = max(ix(:));miny = min(iy(:)); maxy = max(iy(:));% 计算长径sp = [miny,maxx];ep = [maxy,minx];figure; imshow(I); hold on;plot([sp(1) ep(1)],[sp(2) ep
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![麻烦把一下的matlab程序改写成数学表达式,1:% 获得区域minx = min(ix(:)); maxx = max(ix(:));miny = min(iy(:)); maxy = max(iy(:));% 计算长径sp = [miny,maxx];ep = [maxy,minx];figure; imshow(I); hold on;plot([sp(1) ep(1)],[sp(2) ep](/uploads/image/z/5164170-42-0.jpg?t=%E9%BA%BB%E7%83%A6%E6%8A%8A%E4%B8%80%E4%B8%8B%E7%9A%84matlab%E7%A8%8B%E5%BA%8F%E6%94%B9%E5%86%99%E6%88%90%E6%95%B0%E5%AD%A6%E8%A1%A8%E8%BE%BE%E5%BC%8F%2C1%EF%BC%9A%25+%E8%8E%B7%E5%BE%97%E5%8C%BA%E5%9F%9Fminx+%3D+min%28ix%28%3A%29%29%3B+maxx+%3D+max%28ix%28%3A%29%29%3Bminy+%3D+min%28iy%28%3A%29%29%3B+maxy+%3D+max%28iy%28%3A%29%29%3B%25+%E8%AE%A1%E7%AE%97%E9%95%BF%E5%BE%84sp+%3D+%5Bminy%2Cmaxx%5D%3Bep+%3D+%5Bmaxy%2Cminx%5D%3Bfigure%3B+imshow%28I%29%3B+hold+on%3Bplot%28%5Bsp%281%29+ep%281%29%5D%2C%5Bsp%282%29+ep)
麻烦把一下的matlab程序改写成数学表达式,1:% 获得区域minx = min(ix(:)); maxx = max(ix(:));miny = min(iy(:)); maxy = max(iy(:));% 计算长径sp = [miny,maxx];ep = [maxy,minx];figure; imshow(I); hold on;plot([sp(1) ep(1)],[sp(2) ep
麻烦把一下的matlab程序改写成数学表达式,
1:% 获得区域
minx = min(ix(:)); maxx = max(ix(:));
miny = min(iy(:)); maxy = max(iy(:));
% 计算长径
sp = [miny,maxx];
ep = [maxy,minx];
figure; imshow(I); hold on;
plot([sp(1) ep(1)],[sp(2) ep(2)],'r-*');
long_r = norm(sp-ep); % 计算长径
area = bwarea(I3); % 计算特征区域面积
short_r = area/long_r/2; % 计算短径
rate = short_r/long_r; % 计算比例
2:area = bwarea(I3); % 计算特征区域面积
麻烦把一下的matlab程序改写成数学表达式,1:% 获得区域minx = min(ix(:)); maxx = max(ix(:));miny = min(iy(:)); maxy = max(iy(:));% 计算长径sp = [miny,maxx];ep = [maxy,minx];figure; imshow(I); hold on;plot([sp(1) ep(1)],[sp(2) ep
min 最小值
max 最大值
向量sp=[x1,y1]= [miny, maxx]
向量ep=[x2,y2]= [maxy, minx];
plot([sp(1) ep(1)], [sp(2) ep(2)], 'r-*');画一个图
( )^(1/2)=平方根()
计算长径norm(sp-ep)=[(miny-maxy)*(miny-maxy)+(maxx-minx)*(maxx-minx)]^(1/2)
bwarea(I3)=Area of objects(l3) in binary image计算特征区域面积
short_r = area/long_r/2; % 计算短径=征区域面积/长径
rate = short_r/long_r; % 计算比例=短径/长径