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Webcam as Barcode Scanner

voir la vidéoThis is a free software UPC/EAN-13 barcode scanner implemented using Ruby and HornetsEye. The software extracts a scan-line from the camera image. The edges of the bars are determined and reading is attempted at different starting positions. The three guard bars and the checksum are used to increase the stability of the algorithm. The webcam is a Philips SPC900NC which has 30 fps (not 90 fps as Philips claims). However it has built-in autofocus. Source code of main program is here: bazaar ... [ go to Youtube.com ]

Time : 0 min 56
Added : 03/09/09 11:38
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