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Step 4Webcam mount
A Philips SPC-900NC webcam was used, though it is not recommended. The specs for this camera were falsified either by the engineering or sales staff at Philips. Instead, any cheap webcam would do, so long as it is supported by the operating system. For more information regarding the use of webcams under linux, check out this page.
We measured the distance required by the webcam's focal length to fit the entire foosball table in the frame. For this camera model, that number turned out to be just over 5 feet. We used shelving racks available from any major hardware store to build a mount for the camera. The shelving racks extend upward from each of the four corners of the table and are cross-braced by angled aluminum brackets. It is very important that the camera is centered and has no angular rotation, since the software assumes the x- and y-axis are aligned to the table.
We measured the distance required by the webcam's focal length to fit the entire foosball table in the frame. For this camera model, that number turned out to be just over 5 feet. We used shelving racks available from any major hardware store to build a mount for the camera. The shelving racks extend upward from each of the four corners of the table and are cross-braced by angled aluminum brackets. It is very important that the camera is centered and has no angular rotation, since the software assumes the x- and y-axis are aligned to the table.
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