download the mltbx package (</span><span style=' font-family: monospace;'>OMEGA.-.Open-source.MATLAB.emission.tomography.software.mltbx</span><span>) from the </span><a href = "https://github.com/villekf/OMEGA/releases"><span style=' text-decoration: underline;'>releases</span></a><span> and simply run it in which case all the necessary folders will be automatically added to the MATLAB path.</span></div><div  class = 'S4'><span>Unless the MATLAB package was used, you need to add the source and mat-files fol