matlab大神解释下下面代码的意思:f1=double(img);f2=zeros(m,n,3);for x=1:m;for y=1:n;if f1(x,y)>DL1f2(x,y,1)=f2(x,y)+1; %设置显示颜色f2(x,y,2)=0;f2(x,y,3)=0;v(x,y,1)=V1x; %设置向量场方向v(x,y,2)=V1y;
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![matlab大神解释下下面代码的意思:f1=double(img);f2=zeros(m,n,3);for x=1:m;for y=1:n;if f1(x,y)>DL1f2(x,y,1)=f2(x,y)+1; %设置显示颜色f2(x,y,2)=0;f2(x,y,3)=0;v(x,y,1)=V1x; %设置向量场方向v(x,y,2)=V1y;](/uploads/image/z/4511100-12-0.jpg?t=matlab%E5%A4%A7%E7%A5%9E%E8%A7%A3%E9%87%8A%E4%B8%8B%E4%B8%8B%E9%9D%A2%E4%BB%A3%E7%A0%81%E7%9A%84%E6%84%8F%E6%80%9D%EF%BC%9Af1%3Ddouble%28img%29%3Bf2%3Dzeros%28m%2Cn%2C3%29%3Bfor+x%3D1%3Am%3Bfor+y%3D1%3An%3Bif+f1%28x%2Cy%29%3EDL1f2%28x%2Cy%2C1%29%3Df2%28x%2Cy%29%2B1%3B+%25%E8%AE%BE%E7%BD%AE%E6%98%BE%E7%A4%BA%E9%A2%9C%E8%89%B2f2%28x%2Cy%2C2%29%3D0%3Bf2%28x%2Cy%2C3%29%3D0%3Bv%28x%2Cy%2C1%29%3DV1x%3B+%25%E8%AE%BE%E7%BD%AE%E5%90%91%E9%87%8F%E5%9C%BA%E6%96%B9%E5%90%91v%28x%2Cy%2C2%29%3DV1y%3B)
matlab大神解释下下面代码的意思:f1=double(img);f2=zeros(m,n,3);for x=1:m;for y=1:n;if f1(x,y)>DL1f2(x,y,1)=f2(x,y)+1; %设置显示颜色f2(x,y,2)=0;f2(x,y,3)=0;v(x,y,1)=V1x; %设置向量场方向v(x,y,2)=V1y;
matlab大神解释下下面代码的意思:
f1=double(img);
f2=zeros(m,n,3);
for x=1:m;
for y=1:n;
if f1(x,y)>DL1
f2(x,y,1)=f2(x,y)+1; %设置显示颜色
f2(x,y,2)=0;
f2(x,y,3)=0;
v(x,y,1)=V1x; %设置向量场方向
v(x,y,2)=V1y;
matlab大神解释下下面代码的意思:f1=double(img);f2=zeros(m,n,3);for x=1:m;for y=1:n;if f1(x,y)>DL1f2(x,y,1)=f2(x,y)+1; %设置显示颜色f2(x,y,2)=0;f2(x,y,3)=0;v(x,y,1)=V1x; %设置向量场方向v(x,y,2)=V1y;
第一句:将img(图像?)编程double类型,咱们做图像一般用double,比较精确
第二句:初始化一个三维的数组,大小是m×n,由此可见你的图像是彩色的,而且前面应该有[m,n]=size(img,1)吧
然后是遍历图像了,第三第四行分别是行和列,f1(x,y)对应了一个像素,判断像素超过了DL1(这个应该是阈值吧)
如果超过了就+1.f2(x,y,1)表示f2(x,y)的一维数组,然后分别是二维和三维.最后设置向量场.这里应该也有相应的初值吧.你没写