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In this paper, calibrating a camera refers to the process of determining the transformation between a 3D object coordinate system and the 2D image coordinate system of the camera. Knowing this transformation, 3D position of a feature point seen in two cameras can be determined by using triangulation. Suppose a distortion-free lens is had, this 3D-2D transformation can be well approximated by a ...

Taunton, UK There is no doubt that prostate cancer kills, but only a minority of men who are given this diagnosis, die from prostate cancer. In the developed world we are now overdiagnosing and, more importantly, overtreating prostate cancer, a fact for which we will be criticized in generations to come. As well-intentioned urologists, we should have no trouble in justifying our radical therapy...

The mass-loss, polarization tests, and electrochemical impedance spectroscopic strategies were applied to assess the inhibition performance of environmentally friendly inhibitor Araucaria heterophylla leaves extract (AHLE) for soft-cast steel corrosion safety in 1 M HCl at 300 ± K. creates a protective coat on that decelerates process acidic environments. percentage effectiveness, current densi...