I found this link to be of interest, You may find it use full as well.
This Clever Photoshop Trick Lets You Convert Low-Res Graphics To High-Res
Prof. Kubis
The OpenLab at City Tech:A place to learn, work, and share
The OpenLab is an open-source, digital platform designed to support teaching and learning at City Tech (New York City College of Technology), and to promote student and faculty engagement in the intellectual and social life of the college community.
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