What is done in this line? f = f(arrayfun(@(x) x.name(1), f) ~= '.');

clc

clear all

close all

dirpath = 'E:\4-1\image-thesis\implementation\shaila\';

f=dir(fullfile(dirpath,'*.jpg'));

f = f(arrayfun(@(x) x.name(1), f) ~= '.');

for i=1:length(f)

      a=imread(strcat(dirpath,f(i).name));

      if (ndims(a)==2 | (a(:,:,1)==a(:,:,2) &  a(:,:,2)==a(:,:,3)))

      %if (ndims(a)==2)

          figure;imshow(a)

      end

end

What is done in this line?

    f = f(arrayfun(@(x) x.name(1), f) ~= '.');

Answer 1

[Matt J]

It takes file names obtained from DIR and throws away those that begin with '.'