Matlab图形图像处理函数详细列表.doc

Forpersonaluseonlyinstudyandresearch;,你至少还有时间,时间能抚平一切创伤,所以请不要流泪。能满足的期待,才值得期待;能实现的期望,才有价值。保持青春的秘诀,是有一颗不安分的心。不是生活决定何种品位,而是品位决定何种生活。:在二进制图像中利用lookup表进行边沿操作。语法:A=applylut(BW,lut)举例lut=makelut('sum(x(:))==4',2);BW1=imread('');BW2=applylut(BW1,lut);imshow(BW1)figure,imshow(BW2)相关命令::确定进行块操作的块大小。语法:siz=bestblk([mn],k)[mb,nb]=bestblk([mn],k)举例siz=bestblk([640800],72)siz=6450相关命令::MATLAB高级应用——图形及影像处理实现图像的显式块操作。语法:B=blkproc(A,[mn],fun)B=blkproc(A,[mn],fun,P1,P2,...)B=blkproc(A,[mn],[mbordernborder],fun,...)B=blkproc(A,'indexed',...)举例I=imread('');I2=blkproc(I,[88],'std2(x)*ones(size(x))');imshow(I)figure,imshow(I2,[]);相关命令:colfilt,nlfilter,:增加或降低颜色映像表的亮度。语法:brighten(beta)newmap=brighten(beta)newmap=brighten(map,beta)brighten(fig,beta)相关命令:imadjust,:计算二进制图像对象的面积。语法:total=bwarea(BW)举例BW=imread('');imshow(BW);附录MATLAB图像处理命令bwarea(BW)ans=15799相关命令:bweuler,:计算二进制图像的欧拉数。语法:eul=bweuler(BW,n)举例BW=imread('');imshow(BW);bweuler(BW)ans=–2相关命令:bwmorph,:填充二进制图像的背景色。语法:BW2=bwfill(BW1,c,r,n)BW2=bwfill(BW1,n)[BW2,idx]=bwfill(...)BW2=bwfill(x,y,BW1,xi,yi,n)[x,y,BW2,idx,xi,yi]=bwfill(...)BW2=bwfill(BW1,'holes',n)[BW2,idx]=bwfill(BW1,'holes',n)举例MATLAB高级应用——图形及影像处理BW1=[1000000011111000100010101000111011110111100110101000101010001110]BW2=bwfill(BW1,3,3,8)BW2=1000000011111000111110101111111011110111100110101000101010001110I=imread('');BW3=~im2bw(I);BW4=bwfill(BW3,'holes');imshow(BW3)figure,imshow(BW4)相关命令:bwselect,:标注二进制图像中已连接的部分。语法:附录MATLAB图像处理命令L=bwlabel(BW,n)[L,num]=bwlabel(BW,n)举例BW=[11100000111011001110110011100010111000101110001011100**********]L=bwlabel(BW,4)L=1110000011102200111022001110003011100030111000301110033011100000[r,c]=find(L==2);rc=[rc]rc=25352636相关命令:bweuler,:提取二进制图像的轮廓。语法:BW2=bwmorph(BW1,operation)BW2=bwmorph(BW1,op