Re: Resize image using imresize gives an error in octave

To see the images and what I tried? I also posted to
https://stackoverflow.com/questions/68310913/resize-image-using-imresize-gives-an-error-in-octave?noredirect=1#comment120739744_68310913



On Fri, Jul 9, 2021 at 7:40 AM RT <[email protected]> wrote:

>
> I'm trying to resize a **very small image** using Octave 5.2.0 but I'm not
> sure why it's giving an error when trying to resize it
>
> The error happens with the line below:
>
>     img_unique_only = imresize(f2, [640, 480]); %reshape output of unique
> colors
>
> -
>
>     error: interp2: cubic requires at least 2 points in each dimension
>     error: called from
>         interp2 at line 244 column 9
>         imremap at line 65 column 19
>         imresize at line 135 column 8
>         test_small_resize_question at line 30 column 17 (the last line
> which is the imresize line)
>
> Code Below:
>
>     pkg load image
>
>     f(:,:,1)=[0;0;0;0;127;128;128;128];
>
>     f(:,:,2)=[0;0;127;128;0;0;0;0];
>
>     f(:,:,3)=[127;128;0;0;0;0;127;128];
>
> %%%%%%%%%%%%%%%%-------------------------------------------------------------------------
>
>     [im_r im_c]=size(f);
>     size_min=min(im_r,im_c); %get minum size from row and col
>    f2=uint8(f); %convert to image format
>     img_unique_only = imresize(f2, [640, 480]); %reshape output of unique
> colors
>
> Note: I'm also willing to try another way if better
>
>
>
>