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A pipeline for rapidly incorporating real objects into a mixed environment

X. Wang, A. Kotranza, J. Quarles, B. Lok, B.D. Allen
2005 Fourth IEEE and ACM International Symposium on Mixed and Augmented Reality (ISMAR'05)  
A method is presented to rapidly incorporate real objects into virtual environments using laser scanned 3D models with color-based marker tracking.  ...  In the ME, users can manipulate the scanned, articulated real objects, such as tools, parts, and physical correlates to complex computer-aided design (CAD) models.  ...  The user handles a representative Physical Correlates to CAD models Scanned Real Objects Purely Virtual Objects real object (physical correlate) which is affixed with color markers. 3.  ... 
doi:10.1109/ismar.2005.5 dblp:conf/ismar/WangKQLA05 fatcat:t26uzw6b4fetff3ng52wumy5v4

Real-Time Decentralized Articulated Motion Analysis and Object Tracking From Videos

Wei Qu, D. Schonfeld
2007 IEEE Transactions on Image Processing  
In this paper, we present two new articulated motion analysis and object tracking approaches: the decentralized articulated object tracking method and the hierarchical articulated object tracking method  ...  Preliminary experimental results have demonstrated the superior performance of the proposed approaches on real-world videos in both robustness and speed compared with other articulated object tracking  ...  articulated object tracking (HAOT).  ... 
doi:10.1109/tip.2007.899619 pmid:17688217 fatcat:kryjwc5girf5riaco7szgcv6bi

A Framework of Motion Capture System Based Human Behaviours Simulation for Ergonomic Analysis [chapter]

Ruina Ma, Damien Chablat, Fouad Bennis, Liang Ma
2011 Communications in Computer and Information Science  
Nowadays, with the development of computer technology, the simulation of physical world is paid more attention. Physical engines [5] are used more and more in computer game (CG) field.  ...  A physical engine provides us with the ability to have interactive effects in believable ways. Using it we could create a more realistic virtual world.  ... 
doi:10.1007/978-3-642-22095-1_73 fatcat:ic4j3hdyu5cktgz24taog5z4zy

ODECAL, a Flexible Open Source Rag Doll Simulation Engine [chapter]

Pang Lih-Hern, Tan Yee Siang, Wong Chin Foo, Wong Lai Kuan
2006 Lecture Notes in Computer Science  
It can even be applied to any form of creatures with bone based articulation.  ...  ODECAL was build with flexible design in mind to allow it to integrate easily with any 3D rendering toolkits and game engines.  ...  Acknowledgement We would like to thank Mr Azmir and MDC Research Centre for the resources and facilities to carry out this research as well as all support from our Software Engineering and Game Design  ... 
doi:10.1007/11736639_82 fatcat:xugncqzr6jefhpxl3te47cydge

Depth-based tracking with physical constraints for robot manipulation

Tanner Schmidt, Katharina Hertkorn, Richard Newcombe, Zoltan Marton, Michael Suppa, Dieter Fox
2015 2015 IEEE International Conference on Robotics and Automation (ICRA)  
This work integrates visual and physical constraints to perform real-time depth-only tracking of articulated objects, with a focus on tracking a robot's manipulators and manipulation targets in realistic  ...  As such, we extend DART, an existing visual articulated object tracker, to additionally avoid interpenetration of multiple interacting objects, and to make use of contact information collected via torque  ...  RELATED WORK Physics-based tracking: Lowrey et al. use a physics engine to estimate the state of a walking robot based on a variety of sensors within the robot as well as a fast and highly accurate external  ... 
doi:10.1109/icra.2015.7138989 dblp:conf/icra/SchmidtHNMSF15 fatcat:bo54kq46uvgdllb6orjfeisbt4

Determination of Trajectory of Articulated Bus Turning along Curved Line

H. A. Dang, J. Kovanda
2014 Transactions on Transport Sciences  
The paper focuses on the presentation of a single-track dynamic model of articulated bus, a simplified linear model, which is based on reducing the double-track dynamic model with suitable assumptions  ...  These are objective functions, which are necessary to determine the gravity centre trajectory of the articulated bus, movement of the joint system and bodies of vehicle in addition to the swept path width  ...  ACKNOWLEDGEMENTS The research was supported by the Josef Bozek Research Centre of Engine and Automotive Engineering TE0102002.  ... 
doi:10.2478/trans-2014-0002 fatcat:5n4fgwqltjbvlkgajngbv7jauu

Pliant motion

Takashi Tokizaki, Yuuichi Tazaki, Hironori Mitake, Shoichi Hasegawa
2009 SIGGRAPH '09: Posters on - SIGGRAPH '09  
Realistic character motions contacting to objects can be generated easily with virtual trajectory tracking control which is integrated to physics engines for character motions.  ...  Thus, we propose a realtime method to generate a virtual trajectory tracking any real trajectory for any articulated bodies with dynamics simulator based on iterative LCP solvers.  ... 
doi:10.1145/1599301.1599311 dblp:conf/siggraph/TokizakiTMH09 fatcat:nvnphqxyurflvb6e6la245luzi

The Literature Survey on Virtual Piano

Yashwanth G, Saifulla Khan, T V Rahul Reddy, Sukanya H A, Varsha N, Vidya Vikas Institute of Engineering Technology
2020 International Journal of Engineering Research and  
In contrast to the existing hand tracking algorithms that often require hands are in the air and cannot interact with physical objects, our method is designed for hand interaction with planar objects,  ...  Finally, we build a kinematic chain and recover the articulation parameters for each finger.  ...  ACKNOWLEDGMENT This assignment turned into in part funded with the aid of Singapore MOE2013-T2-2-011, MOE RG40/12, MOE RG23/15, the Economic Development Board and the National Research Foundation of Singapore  ... 
doi:10.17577/ijertv9is040405 fatcat:cohbnqipr5ftdjulci2nkgqspa

Dynamic tracking of the scapula using skin-mounted markers

B Lovern, L A Stroud, R O Evans, S L Evans, C A Holt
2009 Proceedings of the Institution of mechanical engineers. Part H, journal of engineering in medicine  
The extent of injury is assessed through a series of observations and physical examinations.  ...  The scapula locator is the accepted standard by which alternative non-invasive techniques of scapula tracking are validated.  ...  ACKNOWLEDGEMENTS The authors would like to acknowledge the following: The Centre for Rehabilitation and Engineering Studies, Newcastle University, for use of the scapula locator and friendly help and advice  ... 
doi:10.1243/09544119jeim554 pmid:19908421 fatcat:pyosp6onlzg5phxqx3jxhspfby

PHI: Physics Application Programming Interface [chapter]

Bing Tang, Zhigeng Pan, ZuoYan Lin, Le Zheng
2006 Lecture Notes in Computer Science  
In this paper, we propose to design an easy to use physics application programming interface (PHI) with support for pluggable physics library.  ...  The goal is to create physically realistic 3D graphics environments and integrate real-time physics simulation into games seamlessly with advanced features, such as interactive character simulation and  ...  Most physics engines in today's game are pretty weak, especially for articulated character animation. The characters are only dealt with limp and dead rag-doll in physics simulation.  ... 
doi:10.1007/11872320_57 fatcat:5v6hbpim6venjpc7rk6hg3gfqy

The Interaction of Five-Fingered Haptic Controller for Manipulating Object in Virtual Reality

SangHun Nam, Dept. of Culture & Technology, Changwon National University, Changwon, Gyeongnam, South Korea, Jiyong Lee, Ginam Ko
2020 International Journal of Computer and Communication Engineering  
The game engine interface module performs physics-based interaction between haptic controller and virtual object.  ...  The haptic controller system consists of haptic controller hardware, haptic controller interface, and game engine module.  ...  touches the virtual object, the physical interaction is calculated by physics engine in Unity and transmitted to the haptic controller interface module.  ... 
doi:10.17706/ijcce.2020.9.4.160-166 fatcat:pujacjll6rcefnn4dstpgs77ve

DART: Dense Articulated Real-Time Tracking

Tanner Schmidt, Richard Newcombe, Dieter Fox
2014 Robotics: Science and Systems X  
This paper introduces DART, a general framework for tracking articulated objects composed of rigid bodies connected through a kinematic tree.  ...  To achieve efficient and robust tracking, DART extends the signed distance function representation to articulated objects and takes full advantage of highly parallel GPU algorithms for data association  ...  However, DART could readily incorporate joint encoder information when tracking robots or better motion models generated by physics-based engines such as Bullet [2] or Mu-JoCo [33] .  ... 
doi:10.15607/rss.2014.x.030 dblp:conf/rss/SchmidtNF14 fatcat:e6jyij7c6jcgtmvpfij5hqj2wa

Gesture + Play Exploring Full-Body Navigation for Virtual Environments

K. Tollmar, D. Demirdjian, T. Darrell
2003 2003 Conference on Computer Vision and Pattern Recognition Workshop  
We describe new algorithms for interacting with 3-D environments using real-time articulated body tracking with standard cameras and personal computers.  ...  With our tracking system users can navigate virtual environments using 3-D gesture and body poses.  ...  The virtual world is created using the HALF-LIFE game engine from Sierra/Valve [25] , which allows environments with rich visual form as well as active objects with dynamic behaviors.  ... 
doi:10.1109/cvprw.2003.10046 dblp:conf/cvpr/TollmarDD03 fatcat:myrpksqtjzfidap6ullbwuyi3q

Path Planning and Trajectory Tracking Strategy of Autonomous Vehicles

Peng Han, Bingyu Zhang, Haipeng Peng
2021 Mathematical Problems in Engineering  
A new kind of modern public transportation vehicle named Multi-Articulated Guided Vehicle based on Virtual Track (MAAV-VT) with the advantages of beautiful, smart energy conservation and environmental  ...  The tracking error of each vehicle elements would be reduced to make sure the whole multi-articulated vehicle moves along the preset virtual track.  ...  Finally, the execution layer is the key to make sure trajectory tracking and following through the accurately control of each motor. e objective velocity and torque of each wheel for tracking the planned  ... 
doi:10.1155/2021/8865737 fatcat:yf5rh56k5zb5lnfwjems2grubm

Modeling, Simulation and Position Control of 3 Degree of Freedom Articulated Manipulator

Hossein Sadegh Lafmejani, Hassan Zarabadipour
2013 Indonesian Journal of Electrical Engineering and Informatics (IJEEI)  
A sample path has been designed for analyzing the tracking subject. The system has been linearized with feedback linearization and then a PID controller was applied to track a reference trajectory.  ...  In this paper, the modeling, simulation and control of 3 degree of freedom articulated robotic manipulator have been studied.  ...  Control engineering concentrate on designing the controllers in order to have the manipulators operated with the best quality and less errors.  ... 
doi:10.11591/ijeei.v1i3.80 fatcat:haz7ume4zjffbfkq6oj7fzsh2m
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