How to combine images horizontally of slightly different heights

Question

Stephen Devlin 2018-6-20

0
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/406538-how-to-combine-images-horizontally-of-slightly-different-heights

评论： Sina Zinatlou 2021-2-8

Hi, I have a folder of images that I want to stitch together horizontally (it would be nice to know how to do it vertically too). The images are taken from cropping an image on a screen, but as an example I have chopped up a football image. I don't need to put the football back together seamlessly, but it would be good to have the images stitched back together so that the top edges of each pic are aligned and they are side by side, no stretching of an image in either dimension. It doesn't matter if it looks a bit haphazard as long as there is no stretching.

I have commented out what is giving the following error:-

Error using horzcat Dimensions of arrays being concatenated are not consistent.

Error in stitchy_02 (line 27) imageStitch = [cStitched_start, imageStitch];

Code:-

clear all
close all
clc
hFig=figure('units','normalized','outerposition',[0 0 1 1]);
pics=dir('/Users/imagexpertinc/Desktop/ball_pics/*.png')
amount=numel(pics)
cStitched_start=imread(pics(1).name);
sizes=zeros(amount,3)%preallocate a table for size data
for k=1 : amount
    imageStitch=imread(pics(k).name);
    set(0,'CurrentFigure',hFig)
    subplot(2,amount,k);
    imshow(imageStitch)
    title(['Pic ' num2str(k)])
      %%Determine Image Sizes
  %     sizes(k,:)=size(imageStitch)%length width dimension
  %     BiggerImage=max(sizes)
  %     SmallerImage=min(sizes)
  %    
  %     
  %     imageStitch=imread(pics(k).name);
  %     imageStitch = [cStitched_start, imageStitch];
  %     set(0,'CurrentFigure',hFig)
  %     subplot(2,2, 1:2);
  %     imshow(imageStitch);
  %     
  end

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Answer 1

KSSV 2018-6-20

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链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/406538-how-to-combine-images-horizontally-of-slightly-different-heights#answer_325441

编辑：KSSV 2018-6-20

在 MATLAB Online 中打开

Read about imresize. Use imresize and get all the images to same dimensions.

files = dir('*.png') ;
N = length(files) ;
I = cell(N,1) ;
for i = 1:N
    I1 = imread(files(i).name) ;
    I{i} = imresize(I1,[526,134]) ;
end
I = cat(2,I{:}) ;
imshow(I) ;