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In order to shorten the learning curve and simplify the complex in current CAD system, one direct approach is to provide a more intuitive way of interaction. This paper proposes an interactive pen tool, which transforms the actions in real space into the virtual three-dimensional CAD system space. Augmented Reality technology is used to track the operator's action in the real world. The design and...
Many existing human detection systems are based on sub-window classification, namely detection is done by enumerating rectangular sub-images in the 2D image space. Detection rate of such approaches may be affected by perspective distortion and tilted orientation of the human in images. To overcome this problem without re-training the classifier, we develop a 3D search method. A search grid is defined...
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