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1.ͼÏñµÄ¶Áд%matlab×Ô´øÍ¼ÏñÔÚ°²×°Â·¾¶ÏÂ\\toolbox\\images\\imdemos AͼÏñ¶Á

RGB = imread('ngc6543a.jpg'; BͼÏñд

ÏÈ´ÓÒ»¸ö.mat ÎļþÖÐÔØÈëÒ»·ùͼÏñ,È»ºóÀûÓÃͼÏñдº¯Êýimwrite,´´½¨Ò»¸ö.bmp Îļþ,²¢½«Í¼Ïñ´æÈëÆäÖС£

load clown whos

imwrite(X,map,'clown.bmp' CͼÏñÎļþ¸ñʽת»»

bitmap = imread('clown.bmp','bmp'; imwrite(bitmap,'clown.png','png'; 2.ͼÏñÏÔʾ

A¶þ½øÖÆÍ¼ÏñµÄÏÔʾ

BW1=zeros(20,20; %´´½¨½ö°üº¬0/1µÄË«¾«¶ÈͼÏñ BW1(2:2:18,2:2:18=1;

imshow(BW1,'notruesize'; %doubleÀàÐÍ[0,1] whos

BW2=uint8(BW1;

figure,imshow(BW2,'notruesize'

figure,imshow(BW2,[],'notruesize' %uint8ÀàÐÍ[0,255] BW3=BW2~=0; %Âß¼­±êÖ¾ÖÃΪon figure,imshow(BW3,'notruesize' whos

B»Ò¶ÈͼÏñµÄÏÔʾ I=imread('spine.tif'; J=filter2([1 2;-1 -2],I; imshow(I,[] figure,imshow(J,[]

CË÷ÒýͼÏñµÄÏÔʾ load clown %×°ÔØÒ»·ùͼÏñ

imwrite(X,map,'clown.bmp'; %±£´æÎªbmpÎļþ imshow(X imshow(X,map DRGBͼÏñµÄÏÔʾ I=imread('trees.tif'; imshow(I

RGB=imread('ngc6543a.jpg'; figure,imshow(RGB

imshow(RGB(:,:,3 % ÏÔʾµÚ3¸öÑÕÉ«·ÖÁ¿ E¶à֡ͼÏñµÄÏÔʾ

mri=uint8(zeros(128,128,1,27; % 27Ö¡Îļþmri.tif³õʼ»¯for frame=1:27 [mri(:,:,:,frame,map]=imread('mri.tif',frame; % ¶ÁÈëÿһ֡end

figure;imshow(mri(:,:,:,3,map; % ÏÔʾµÚ3Ö¡figure,imshow(mri(:,:,:,6,map; % ÏÔʾµÚ6Ö¡

figure,imshow(mri(:,:,:,10,map; % ÏÔʾµÚ10Ö¡ figure,imshow(mri(:,:,:,20,map; % ÏÔʾµÚ20Ö¡ figure;

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