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Immersive multi-projection environments are be-coming affordable for many research centers, but these solu-tions needs several integration steps to be fully operational, and some of these steps are difficult and not in a common domain. This paper presents the most recent techniques involved in multi-projection solutions, from projection to computer...
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... procedure of ANSI Lumens is: let the room at the 25 degree Celsius, wait 15 minutes in order to stabilize every- thing, divide a square meter image into 9 equal rectangles, as in Figure 1, read each rectangle brightness, average the values divided by the screen size (m2). For lumen rating, calculate the average brightness (Foot Lamberts), multiply by screen area (square feet), then divide by screen gain. ...
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