creating a gui (recommender system)in matlab

i want to create gui which show 30 images,then user select 10 from these images.how this system keeps track of these images that user selected. i have to use these selected images further for recommendation of images to other users. please help me, if anybody ever worked on recommendation system.

Answer 1

[Walter Roberson]

Create a ButtonDownFcn callback for each image. It could be the same callback applied to all of the images. You can store some kind of image identifier in the UserData property of the individual image objects and the callback can retrieve it and add it to the list that is being built up.