منابع مشابه
3-D Motion Estimation
II. 3-D Motion Estimation The approach for 3-D motion estimation in this project has two stages: 3-D shape reconstruction and model-based 3-D motion estimation. The object shape in a video sequence is usually unknown. A structure from motion algorithm is first applied to reconstruct an approximate 3D shape from several views of the video sequence. With the approximate object shape, a model-base...
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Tracking user movements is one of the major low-level tasks which every Virtual Reality (VR) system needs to fulfill. There are different methods how this tracking may be performed. Common tracking systems use magnetic or ultrasonic trackers in different variations as well as mechanical devices. All of these systems have drawbacks which are caused by their principles of work. Typically, the use...
متن کاملMulti - agent tracking under occlusion and 3 D motion interpretation
Tracking multiple objects in surveillance scenarios face considerable difficulty in handling occlusions. We report a composite tracker based on feature tracking and colour based tracking that demonstrates superior performance under high degrees of occlusion. Disjoint foreground blobs are extracted by using change masks obtained by combining an online-updated background model and flow informatio...
متن کاملFeature Based Robotic Visual Tracking of 3-D Translational Motion
This paper addthe problem of &tic visual backing of a target that moves in 3-D with translational motion. The amera is mounted on the enddfector d the robotic manipulator. W e use simple Slso adaptive controllers in conjunction with a cartaian robotic conbolla for sucozssful tracking. Our scheme does not need expliat amputation of the target's relative depth with respect to the camera frame In ...
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ژورنال
عنوان ژورنال: Biological Cybernetics
سال: 1992
ISSN: 0340-1200,1432-0770
DOI: 10.1007/bf00204399