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REPORT DATE
JUL 20072. REPORT TYPE The final version of the code is being delivered along with this report. Also, the latest code and the results of the feasibility studies are being sent to the AFRL/ML collaborators. Dr. Seetharaman also visited IIT Bombay during April 16-30, 2007 on a related research mission and had an opportunity to verify and be trained on using the developed computer programs.The contract was to investigate the feasibility of super resolution imaging of large surfaces at nano-scale resolution. Four different techniques were considered for this study, and the computational results indicate a promising performance with a peak PSNR gain of 6 db over standard bilinear interpolation. In some cases, even a scale factor of 4 produced reliable results. Specifically the effort included: (1) a thorough survey of the state of the art, (2) data collected by US collaborators and analyzed by the investigator, (3) development of Papoulis-Gerchberg method to implement the analytic continuation of spectral details, (4) exploration of contourlet and its variant known as the Laplacian Edge model. Additionally, we developed a new technique for super resolution of material images known as total variation optimized image interpolation. The deliverance of this report serves to meet the fifth objective of the original contract.Place: Mumbai