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Recent studies have shown that 3D imaging provides some unique advantages over traditional 2D imaging for minimal invasive surgery. However, most existing endoscopes still use single-lens cameras, and the use of dual-lens 3D imaging techniques is still limited. This paper proposes an approach to enabling 3D imaging from a single-lens endoscope by automatically synthesizing stereoscopic views from...
Detection of drowsiness can be used in many fields to prevent accidents caused by human errors in machine and vehicle operations. The pupil which is innervated by the autonomic nervous system was found to change in parallel with the level of alertness. In this paper, we introduce a fatigue detection system based on infrared video pupillography. A subject's level of vigilance was distinguished by comparing...
Free viewpoint television (FTV) is a new concept that aims at giving viewers the flexibility to select a novel viewpoint by employing multiple video streams as the input. Current proposed solutions for FTV include those based on ray-space resampling which demand at least dozens of cameras and large storage and transmission resources for those video streams. Image-based rendering (IBR) methods that...
Endoscopy has become an established procedure for the diagnosis and therapy of various gastrointestinal (GI) ailments, and has also emerged as a commonly-used technique for minimally-invasive surgery. Most existing endoscopes are monocular, with stereo-endoscopy facing practical difficulties, preventing the physicians/surgeons from having a desired, realistic 3D view. Traditional monocular 3D reconstruction...
Vertical line-like structures are abundant in man-made environments, such as the vertical edges of buildings in an outdoor environment and door frames and vertical edges of furniture in an indoors environment. These ubiquitous line or line-like structures may provide useful information for mobile robot navigation. In this paper, we propose an approach to estimating the camera orientation based on...
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