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How to change the width of an image without changing the height

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Ripul Dutt
Ripul Dutt 2017-6-7
评论： Ripul Dutt 2017-6-8
Somehow my current code in MATLAB won't work, a part of which requires me to change the width of a transformed image by given amount keeping the height constant, can anyone help with it ? thanks!
load('ruler2.txt');
load('rulertran2.txt');
x=ruler2(1:52,1);
y=ruler2(1:52,2);
xtran=rulertran2(1:52,1);
ytran=rulertran2(1:52,2);
Tform=cp2tform([x y],[xtran ytran],'projective');
im=imread('TDB_17_1_Subside_1171.jpg');
imshow(im)
^^ first I wrote the above to do a pixel coordinate transformation on my image, however it needs a little more improvement so I need to decrease the width of this transformed image and below is what I did but I am not certain if that's the right way to do it, I know resize function won't work for just width or height :(
xim=imtransform(im,Tform);
im=imread('xim');
info=iminfo('xim');
hoyde=info.height;
bredde=info.width;
nyhoyde=hoyde;
nybredde=bredde/10;
[nyhoyde, nybredde, kanaler]=size(im);

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采纳的回答

Image Analyst
Image Analyst 2017-6-7
Try this:
[rows, columns, numberOfColorChannels] = size(yourImage);
newImage = imresize(yourImage, [rows, newColumns]);

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