MATLAB: Tag or label for images in montage

Computer Vision ToolboxImage Processing Toolboxmontagetag

Dear User-community.

Is there a way to tag the images in the final image after using montage? I haven't found any answer to this question in the user-community answers.

Best regards, Jaime

Best Answer

You can either use text() to put text into the overlay, or use Brett's utility to burn it into the image: http://www.mathworks.com/matlabcentral/fileexchange/38721-embed-text-and-graphics-in-an-image

Or the Computer Vision System Toolbox has the textInserter object: http://www.mathworks.com/help/vision/ref/vision.textinserterclass.html

Related Solutions

MATLAB: Montage function

The montage function allows you to input your own path to images that you want to use.

   doc montage

Example, if the pictures that you wanted to use were in C:\pictures, you would type:

   fileFolder = 'C:\pictures';
   dirOutput = dir(fullfile(fileFolder,'*.jpg')); % *.jpg indicates 
          %only jpg files. this can be changed to anything you like.
   fileNames = {dirOutput.name};
   montage(fileNames);

Nowhere in the documentation does it say that you are limited in the number of files that you can montage.

If you are using a matrix of images (2-d images (with color being the 3rd dimension) stacked in a 4-d matrix), it is much simpler. Assume IMGS is your 4-d matrix of images.

    montage(IMGS);

Note that if you want to use your own images, do not save them in the matlab toolbox folders. Create your own folder somewhere else (a MATLAB folder is usually created by default under your Documents and Settings folder, if you'd like to use that one).

MATLAB: Montage and imread help

montage can take an image array, but the images have to be in a normal numerical array, not a cell array, as described in the help:

montage(I) displays all the frames of a multiframe image array I in a single image object. I can be a sequence of binary, grayscale, or truecolor images. A binary or grayscale image sequence must be an M-by-N-by-1-by-K array. A truecolor image sequence must be an M-by-N-by-3-by-K array.

You should also use fullfile() to create the filenames and exist(name, 'file') to check that they actually exist. Why not write robust code instead of fragile code?

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MATLAB: Montage function

MATLAB: Montage and imread help

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