util_view_img_files.m

Standard model object recognition matlab code

function util_view_img_files (filepath, varargin)

% FUNCTION util_view_img_files (filepath, varargin)
%
% Look at all '.mat' images in filepath.
% varargin{1} = 'mat' (default), 'pgm', or other image formats.

if length(varargin) > 0
  img_format = varargin{1};
else
  img_format = 'mat';
end

if ~exist(filepath,'dir')
  error([filepath ' does not exist.']);
end

D = dir([filepath '/*' img_format]);
if length(D) > 0
  show_in_this_dir (filepath, img_format);
end

function show_in_this_dir (filepath, image_format)

colormap gray;
D = dir([filepath '/*' image_format]);

for i = 1:length(D)
  fn = [filepath '/' D(i).name];

  if image_format == 'mat'
    if ~strcmp(D(i).name, 'stim_size.mat')
      load(fn, 'r');
    else
      r = 0;
    end
    clim = [-1 1];
  else
    r = imread(fn);
    r = double(r)/255;
    clim = [0 1];
  end
  disp([filepath '/' D(i).name]);
  imagesc(r, clim);
  axis image; drawnow;
  pause(0.5);

  % or do it in a montage, assuming all the images are of the
  % same size.
  %img_all(:,:,1,i) = r;
end
%montage (img_all);