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Posted by: Jesse on: 03/04/2013 05:14 PM
Made from a car computer, a barcode scanner, a cheap webcam, an Arduino, and some other bits and pieces, this fully functioning 3D scanner brings the term "recycling" to a whole new level.
The image above shows some of the math involved in getting the laser, barcode scanner, and webcam to all work together. The webcam is of rather low quality, so the scanned images kind of suck, but that would be an easy improvement by getting a better camera (the rules of the competition said they had to pick from a bin of leftover parts). LCD monitors were also not available for use, so the team decided to make the device controllable over the network (I think thats cooler anyway).
You'll notice a power supply taped to the top of a car computer to the right. It connects to the barcode scanner laser and the turntable. A Python script handles image processing, assembling each slice of the scan into both an animated GIF and an OBJ file. Here is what comes from the scanner's output:
See the full article here. You can also get the full source code used on this project at GitHub.
The image above shows some of the math involved in getting the laser, barcode scanner, and webcam to all work together. The webcam is of rather low quality, so the scanned images kind of suck, but that would be an easy improvement by getting a better camera (the rules of the competition said they had to pick from a bin of leftover parts). LCD monitors were also not available for use, so the team decided to make the device controllable over the network (I think thats cooler anyway).
You'll notice a power supply taped to the top of a car computer to the right. It connects to the barcode scanner laser and the turntable. A Python script handles image processing, assembling each slice of the scan into both an animated GIF and an OBJ file. Here is what comes from the scanner's output:
See the full article here. You can also get the full source code used on this project at GitHub.