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At Cooke (Romulus, Michigan), the challenge was to offset the reduced energy conversion efficiency of solar cells, often caused by local loss mechanisms such as locally reduced diffusion lengths or parallel resistances. Most current characterization techniques capable of providing spatially resolved information about the performance of a solar cell are very slow because the final image needs to be generated from point-by-point luminescence.
At Mercury Computer Systems (Chelmsford, Mass.), the Visualization Sciences Group was charged with handling the very large data sets at the German Climate Computing Centre (DKRZ, Hamburg, Germany). DKRZ, the national German service center for climate researchers, provides high-performance computing power for extensive numerical simulations with coupled models of the climate system.
At NASA's Marshall Space Flight Center (Huntsville, Ala.) they needed to produce the first high-speed imaging system qualified to fly onboard a space launch vehicle. And they had to do it in less than six months. The system had to be self-contained, with no external power or triggers, and withstand the force of a rocket launch, stage separation and splash down.
That isn't all in this issue. On the machine vision front, we take a look at EyeGauge, a 3D measuring system based on computer vision and photogrammetry that was developed and produced by General Logic srl (Torino, Italy). It essentially consists of two or three high-resolution cameras, a PC and proprietary software and detects edges on the surface of the object while reconstructing 3D positions. Take a look at the story on page 14.
Medical imaging is always fascinating. Contributing Editor Lee Nelson updates a piece he did two years ago on advances in endoscopy. We all know what technology can do in two years. Read it on Page 22. And there's more between these covers. Please enjoy this first issue of Advanced Imaging for 2009.