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Computer aided surgery (CAS) often involves the use of instrument, implants and other interactive device whose pose is tracked in real time so as to provide navigated positioning of the instrument to guide the surgeon carrying out the operation. The infrared tracking system has been proved to be a valuable alternative to tracking system based on other technologies, such as magnetic, acoustic, gyroscopic...
In this paper, BP neural network algorithm is applied to camera calibration for the linear structured light 3D digital measurement system and BP network model of camera calibration with double-input double-output is established based on the Levenberg-Marquardt algorithm (LM algorithm). The simulation tests which verify the data of characteristic points obtaining from 3D motion platform show that BP...
In this paper, we propose an approach to align the real space with the three-dimensional (3D) model for outdoor wearable mixed reality (MR) system. In our approach, we use a monocular see-through typed head-mounted display (ST-HMD) and a virtual reality (VR) sensor. We can measure six degree-of-freedom (6DOF) using this sensor. In the default setting, it is difficult and burden for people to handle...
3D scene reconstruction is an important technique in the computer vision field. Our system can give the user a platform to reconstruct a 3D model of scene from a set of uncalibrated images which are gained by a commonly used camera. There are many key techniques in 3D reconstruction from uncalibrated image sequences, including feature matching, fundamental matrix estimation, projective reconstruction,...
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