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Title: Virtual post-its : visual label extraction, attachment, and tracking for teleconferencing
Authors: Geys, Indra
Van Gool, Luc
Issue Date: 2003
Publisher: Springer
Host Document: Lecture Notes in Computer Science vol:2626 pages:121-130
Conference: International conference on computer vision systems - ICVS 2003 edition:3 location:Graz, Austria date:1-3 April 2003
Abstract: We present a novel functionality for tele-conferencing and tele-teaching, coined 'virtual post-IT'. A virtual label can be cut out of a scene or can have been determined beforehand. This label can then be virtually attached to either a part of the screen or to an object in the scene. When made part of the screen, it remains there as a reminder, e.g. to a complicated formula. When glued to an object, the label automatically follows it when the speaker moves the object around. This real-time tracking includes out-of-plane rotation and does not require any special markers. The selection of the pattern to be used as a label can be carried out on-line by the speaker, by simply encircling it with a laser pointer. S/he can also determine on which object it has to be glued and where. Also these commands are given through simple, intuitive motions with a laser pointer. As the encircling motion to cut out the label will be rather sloppy, the system autonomously determines a rectangle that encloses the data and that has edges which are aligned with the dominant directions of the environment (typically horizontal and vertical).
Description: Geys I., Van Gool L., ''Virtual post-its : visual label extraction, attachment, and tracking for teleconferencing'', Lecture notes in computer science, vol. 2626, pp. 121-130, 2003 (Proceedings 3rd international conference on computer vision systems - ICVS 2003, April 1-3, 2003, Graz, Austria).
ISSN: 0302-9743
Publication status: published
KU Leuven publication type: IC
Appears in Collections:ESAT - PSI, Processing Speech and Images

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