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《Matlab图像处理函数汇总7》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。
1、Matlab图像处理函数汇总1.applylut功能：在二进制图像屮利川lookup表进行边沿操作.语法：A=applylut(BW,lut)举例lut=makelut(*sum(x(:))==4',2);BW1=imreadCtext.tif);BW2=applylut(BWLlut);imshow(BWl)figure,imshow(BW2)相关命令：makelut2.bestblk功能：确定进行块操作的块人小.语法：siz=bestblk([mn],k)[mb,nb]=bestblk([mn],k)举例siz=bestblk([640800],72)siz=6450b
2、lkproc1.blkproc功能：实现图像的显式块操作.语法:B=blkproc(AJmn],fun)B=blkproc(A,[mn],fun,Pl,P2,...)B=blkproc(A,[mn]Jmbordernborder],fun,...)B=blkproc(A,indexed；…)举例I=imread(falumgrns.tif);12=blkproc(I,[88],,std2(x)*ones(size(x))1);imshow(I)figure,imshow(I2,[]);相关命令：colfilt,nlfilter,inline2.brighten功能：增加或降
3、低颜色映像表的亮度.语法:brighten(beta)newmap=brighten(beta)newmap=brighten(map,beta)brighten(fig,beta)imadjust,rgbplot1.bwarca功能：计算二进制图像对象的面积.语法：total=bwarea(BW)举例BW=imread(Circles,tif);imshow(BW);bwarea(BW)ans=15799相关命令：bweuler,bwperim2.bweuler.功能：计算二进制图像的欧拉数.语法：eul=bweuler(BW,n)举例BW=imread(rcircles
4、.tif);imshow(BW);bweuler(BW)ans=-2bwmoiph,bwperim1.bwfill功能：填充二进制图像的背呆色.语法：BW2=bwfill(BWl,c,r,n)BW2=bwfill(BWl,n)[BW2,idx]=bwfill(...)BW2=bwfiH(x,y,BWl,xi,yi,n)[x,y,BW2,idx,xi,yi]=bwfill(...)BW2=bwfilKBWl/holes^n)[BW2,idx]=bwfilKBWl/holes^n)举例BW1=[100000001111100010001010100011101111011110
5、0110101000101010001110]BW2=bwfill(BW1,33,8)BW2=1000000011111000111110101111111()11110111100110101000101010001110I=imreadCbloodl.tif)；BW3=〜im2bw(I);BW4=bwfill(BW3,'holes1);imshow(BW3)figure,imshow(BW4)相关命令：bwselect,roifill1.bwlabel功能：标注二进制图像屮已连接的部分.语法：L=bwlabel(BW,n)[L,num]=bwlabel(BW,n)举例B
6、W=[1110000011101100111011001110001011100010111000101110011011100000]L=bwlabcl(BW,4)L=1110000011102200111022001110003011100030111000301110033011100000[r,c]=find(L==2);rc=[rc]rc=25352636相关命令：bweuler,bwselect1.bwmorph功能：提取二进制图像的伦廓.语法：BW2=bwmorph(BW1,operation)BW2=bwmorph(BWl,operation,n)举例BW1
7、=imread('circles.tif);imshow(BWl);BW2=bwmorph(BW1,'remove1);BW3=bwmorph(BWl；sker,Inf);imshow(BW2)figure,imshow(BW3)相关命令：bweuler,bwperim,dilate,erode1.bwperim功能：计算二进制图像屮对象的周长.语法：BW2=bwperim(BWl,n)举例BW1=imread('circbw.tif);BW2=bwperim(BWI,8);imshow(BWl)figure,im
