MATLAB: HOw to divide an Image into sub images

empty imageImage Processing Toolboxsub image divisionsub images

Hello all,

I would like to construct an empty image size of 256×256 and divide into 16 sub images.can anyone suggest me how to divide into 16 sub images? Thanks in advance

Best Answer

Using MAT2TILES (Available Here)

subImages = mat2tiles(Image_256x256,[64,64]);

e.g.,

 >> mat2tiles(rand(256),[64,64])
   ans = 
    [64x64 double]    [64x64 double]    [64x64 double]    [64x64 double]
    [64x64 double]    [64x64 double]    [64x64 double]    [64x64 double]
    [64x64 double]    [64x64 double]    [64x64 double]    [64x64 double]
    [64x64 double]    [64x64 double]    [64x64 double]    [64x64 double]

Related Solutions

MATLAB: Splitting Images

swap1324 = @(x)([x((floor(size(x,1)/2)+1):end,(floor(size(x,2)/2)+1):end) x((floor(size(x,1)/2)+1):end,1:floor(size(x,2)/2)); x(1:floor(size(x,1)/2),(floor(size(x,1)/2)+1):end) x(1:floor(size(x,1)/2),1:floor(size(x,2)/2))]);
I = imread('cameraman.tif'); %sample image
I2 = swap1324(I);
imtool(I2)

Obviously the above should be broken down into it's own function that doesn't have to repeat the function floor(size(stuff))) over and over again.

MATLAB: How to divide a image into cells and naming the cells with numbers. then transformed the cells in the image to transform the image….can anyone pls give me a code for this

If you mean "cells" as in the MATLAB cell array data type, then this might be what you need

http://www.mathworks.com/matlabcentral/fileexchange/35085-split-nd-array-into-equal-sized-cells

E.g.,

   >> Image=rand(64); ImageCells=mat2tiles(Image,[16,16])
ImageCells = 
      [16x16 double]    [16x16 double]    [16x16 double]    [16x16 double]
      [16x16 double]    [16x16 double]    [16x16 double]    [16x16 double]
      [16x16 double]    [16x16 double]    [16x16 double]    [16x16 double]
      [16x16 double]    [16x16 double]    [16x16 double]    [16x16 double]

Best Answer

Related Solutions

MATLAB: Splitting Images

MATLAB: How to divide a image into cells and naming the cells with numbers. then transformed the cells in the image to transform the image….can anyone pls give me a code for this

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