Make images into the same dimensions

hello, So i am having trouble making images the same dimensions. I have a library of images and i need help accomplishing this.

i would like to search for the image with the biggest dimensions then have the other images form to that.

i tried useing

imresize(img(i),[376 292], 'bilinear')

just using a base row col but not all of them became the same

Answer 1

[Matt J]

Should have worked, as long as you're not really using img(i) (a scalar) to index your images. I assume you mean img{i}, if holding them in a cell array, or something along those lines.

[Tony]

yea its working i was just doing a few things wrong lol was staring at the thing for a while

Answer 2

[Image Analyst]

See the FAQ: http://matlab.wikia.com/wiki/FAQ#How_can_I_process_a_sequence_of_files.3F

Inside the loop you just check the size of each image

[rows, columns, numberOfColorChannels] = size(theImage);
if rows > mostRows
  mostRows = rows;
end
if columns > mostColumns
  mostColumns = columns
end

Then do the loop again but call imresize() inside the loop

theImage = imresize(theImage, [mostRows, mostColumns]);

You can save it with the new size if you want, or just process it in the loop with whatever operations you want to do on it.

[Diah Junaidi]

Got this error sir:

Undefined function or variable 'mostRows'.

Error in hitungRMSE (line 21)

if rows > mostRows

[Image Analyst]

You should know the max number of rows that your images have. So just assign that variable to that number. You can find out in many ways, such as with a MATLAB script, or simply by looking at your images in File Explorer and see what it says the sizes are.