CHSOS just added 3D scanning by Structured Light using a mini (pico) projector coupled with the “3D scanning software” developed by Daniel Moreno and Gabriel Taubin. The free software can be downloaded from Brown University School of Engineering. I need to thank Daniel for his support with the software. Pico projectors are extremely small: a fraction of the size and weight of traditional projectors. They use LEDs technology instead of lamps. They were developed for traveling professionals needing a projector that could fit into their suitcases and help them deliver presentations while traveling for meetings. The small size of these pico projectors make them suitable also for very detailed structured light 3D reconstruction. Indeed, since they are so small they can get very close to the object to be scanned and so the structured light pattern can be projected only on a small area, acquiring consequently a relatively high resolution 3D scanning.
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CHSOS chose a new AAXA P300. This has the currently higher native resolution, 1280×800 pixels. Brightness is relatively low (300 lumens), but this doesn’t affect the quality of the scanning since the projector is very close to the subject (few tens of centimeters) and the lighting is, therefore, sufficient. Indeed, we want use structured light for very detailed scanning of small details. Amazing structured light 3D scanning can be realized with these projectors, such as the work done by Tim Zaman. Here is the calibration panel I made for scanning with “3D scanning software” by Daniel and Gabriel. Download check board (558 downloads)
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