Error in resizing 3d image

I have a dataset of 3d images containing 30 images of different sizes,I want to resize all images to a paricular size

for example for 2d if we use imresize(I,[25 256]) all images in dataset will be resized

same way i tried for 3d using

J = resize(I,size(I).*[0.3 0.3 1])

but it is not reduced to a particular size,i need all images to have same size

say 256x256x3

please help

Answer 1

[Image Analyst]

If it's a color image (as opposed to a volumetric image, as from CT or MRI), you do it exactly the same way as for a gray scale image. No difference at all in the arguments to imresize.

rgbImage256 = imresize(rgbImage, [256 256]);

Answer 2

[Andrei Bobrov]

try this code

A = randi(255,89,300,3,'uint8');  % eg first image
B = randi(255,100,200,3,'uint8'); % eg second image

AA = {A,B};
out = cellfun(@(x)imresize(x,[256 256]),AA,'un',0);

[kash]

i have a code as for 3d image as per ur code for single image

D=imread('peppers.png');

size(D);

D=uint8(D);

X={D};

out = cellfun(@(x)imresize(x,[256 256]),X,'un',0)

wen displaying as imshow(out) i get error as

Error using iptcheckinput
Function IMAGEDISPLAYVALIDATEPARAMS expected its first input, I,
to be one of these types:

    double, single, uint8, uint16, uint32, int8, int16, int32, logical

Instead its type was cell.

[Andrei Bobrov]

just for one image, my variant in answer for multiple image

D=imread('peppers.png');
out = imresize(D,[256 256]);

[kash]

Thanks andre1