báo cáo hóa học:" Research Article Augmented Reality for Art, Design and Cultural Heritage—System Design and Evaluation"

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài:Research Article Augmented Reality for Art, Design and Cultural Heritage—System Design and Evaluation | Hindawi Publishing Corporation EURASIP Journal on Image and Video Processing Volume 2009 Article ID716160 16 pages doi 2009 716160 Research Article Augmented Reality for Art Design and Cultural Heritage System Design and Evaluation Jurjen Caarls 1 Pieter Jonker 1 2 Yolande Kolstee 3 Joachim Rotteveel 2 and Wim van Eck3 1 Dynamics and Control Department of Mechanical Engineering Eindhoven University of Technology . Box 513 5600 MB Eindhoven The Netherlands 2 Bio-Robotics Lab Faculty 3ME Delft University of Technology Mekelweg 2 2628 CD Delft The Netherlands 3AR RFID Lab Royal Academy of Art The Hague Prinsessegracht 4 2514 AN Den Haag The Netherlands Correspondence should be addressed to Jurjen Caarls Received 31 January 2009 Revised 24 July 2009 Accepted 16 November 2009 Recommended by Vincent Charvillat This paper describes the design of an optical see-through head-mounted display HMD system for Augmented Reality AR . Our goals were to make virtual objects perfectly indistinguishable from real objects wherever the user roams and to find out to which extent imperfections are hindering applications in art and design. For AR fast and accurate measuring of head motions is crucial. We made a head-pose tracker for the HMD that uses error-state Kalman filters to fuse data from an inertia tracker with data from a camera that tracks visual markers. This makes on-line head-pose based rendering of dynamic virtual content possible. We measured our system and found that with an A4-sized marker viewed from 20 at 5 m distance with an SXGA camera FOV 108 the RMS error in the tracker angle was when moving the head slowly. Our Kalman filters suppressed the pose error due to camera delay which is proportional to the angular and linear velocities and the dynamic misalignment was comparable to the static misalignment. Applications of artists and designers lead to observations on the profitable use of our AR system. Their exhibitions at world-class .

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