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We present a novel method that allows for simultaneous geometric and radiometric calibration of a projector-camera pair. It is simple and does not require specialized hardware. We prewarp and align a specially designed projection pattern onto a printed pattern of different colorimetric properties. After capturing the patterns in several orientations, we perform geometric calibration by estimating...
We propose a Text Entry Interface based on the detection of tongue protrusion gestures using Computer Vision methods. The system uses a common webcam to acknowledge gestures made with the tongue, which are interpreted as the “dots” and “dashes” of a double-switch Morse Code. One difficulty of employing an encoding technique for text entry is the necessity of memorizing the code in advance. Thus, to...
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