WO2005029739B1 - Systems and method for enhancing teleconferencing collaboration - Google Patents

Systems and method for enhancing teleconferencing collaboration

Info

Publication number
WO2005029739B1
WO2005029739B1 PCT/US2004/030756 US2004030756W WO2005029739B1 WO 2005029739 B1 WO2005029739 B1 WO 2005029739B1 US 2004030756 W US2004030756 W US 2004030756W WO 2005029739 B1 WO2005029739 B1 WO 2005029739B1
Authority
WO
WIPO (PCT)
Prior art keywords
vtc
videocamera
participant
station
sites
Prior art date
Application number
PCT/US2004/030756
Other languages
French (fr)
Other versions
WO2005029739A2 (en
WO2005029739A3 (en
Inventor
Bran Ferren
W Daniel Hillis
Original Assignee
Applied Minds Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Applied Minds Inc filed Critical Applied Minds Inc
Publication of WO2005029739A2 publication Critical patent/WO2005029739A2/en
Publication of WO2005029739A3 publication Critical patent/WO2005029739A3/en
Publication of WO2005029739B1 publication Critical patent/WO2005029739B1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
    • H04N7/142—Constructional details of the terminal equipment, e.g. arrangements of the camera and the display
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/15—Conference systems

Abstract

An advanced video teleconferencing (ACTC, fig. 1) system uniquely combines a number of features to promote a realistic same room experience for meeting participants. These features include an auto detector to select audio and video sources (15/16) and to compose shots, a collaboration interface (18) for each participant to communicate non verbal information, directional LEDs to privately alert participants, audio reflected from the main display, and a collaborative table (12) to share view of objects or papers on a table. When implemented with sufficient bandwidth for take advantage of these features and to keep latency time low, this AVTC system results in a highly realistic and productive teleconferencing experience.

Claims

AMENDED CLAIMS [Received by the International Bureau on 03 March 2005 (03.03.05): original claims 1-3, 6-9, 16, 19-20, 25, 31-32 and 34-36 replaced by amended claims bearing the same numbers, other claims are unchanged. (5 pages)]
1. A video teleconferencing (VTC) system comprising: at least one site comprising at least one station at each of said sites, each station accommodating a participant, wherein at least one of said sites comprises at least two stations; a display screen within view of each of said participants; at least two videocameras, each of said videocameras having a videocamera output feed, comprising at least a videocamera associated with each station and positioned wherein said participant at each said station is located within said videocamera's field of view; at least one microphone, wherein each said participant situated at each said station falls within the audio range of said microphone; an automated video switching system for providing automatic selection between videocamera output feeds for sites having at least two stations, and for transmission of said selected videocamera output feed to other sites, wherein said automatic selection is based on any of audio activity, operating modes, and participant identification; and an interface at each station comprising a video display and collaboration tools for communication of nonverbal information between said each said participant.
2. The VTC of Claim 1 , wherein said at least one site comprises a plurality of sites, and wherein at least one of said plurality of sites comprises a single station.
3. The VTC of Claim 1 , wherein said operating modes comprise adjustment for any of video selection criteria and parameters.
4. The VTC of Claim 3, wherein said operating modes can be created by the user.
5. The VTC of Claim 3, wherein said operating modes can be adjusted by the user.
6. The VTC of Claim 1 , wherein said operating modes comprise a speech mode, wherein the image of a specified participant at a site is displayed continuously to all participants at other sites.
7. The VTC of Claim 1 , wherein said operating modes comprise a lecture mode, wherein two specified participants at different sites view only each other, and wherein all participants at other than said different sites view said two specified participants alternately.
8. The VTC of Claim 1 , wherein said operating modes comprise a view force mode, wherein an individual site can force selection of a particular videocamera at said individual site, such that all other sites when viewing said individual site will view only the video signal from said particular videocamera.
9. The VTC of Claim 1 , wherein said operating modes comprise a fast switching mode, wherein videocameras are selected quickly and often to track rapid exchanges such as that occur in an initial phase of a videoconference, when individuals introduce themselves and meet one another.
10. The VTC of Claim 1 , wherein said collaboration tools comprise a means of sending notes to other stations.
11. The VTC of Claim 1 further comprising at least one speaker wherein audio produced by said speaker is reflected from said display screen, such that said audio appears to said each participant to be originating from said display screen.
12. The VTC of Claim 1 , further comprising a collaborative table, comprising: a table videocamera positioned to capture images of a table surface situated at a first of said at least one site; and a projector, located at another of said at least one site, communicatively coupled with said table videocamera and positioned to project images received from said table videocamera onto a viewing surface.
13. The VTC of Claim 12, wherein stationary portions of the image from said table videocamera are encoded for transmission at relatively high resolution and moving portions of said image are encoded for transmission at relatively low resolution for efficient use of available communications bandwidth.
14. The VTC of Claim 12, wherein said image is decomposed into a multiscale stack of images, comprised of a low resolution base image and successively higher resolution terms, and wherein said higher resolution terms can be combined with said low resolution base image to form images of selectable quality and size to accommodate available communications bandwidth.
15. The VTC of Claim 1 , said automated video switching system comprising a speech recognition system for detecting any of said each participant names and key phrases and for adjusting switching behavior accordingly.
16. The VTC of Claim 1 , further comprising means for identifying participants by a signal from participant transponders, such as radio frequency identification (RFID) tags.
17. The VTC of Claim 1 , further comprising selectably energizable light sources, positioned to gain attention of specific participants without alerting other participants.
18. The VTC of Claim 17, wherein said light sources are LEDs, affixed to said videocamera associated with each station, wherein said LEDs are aligned with the optical axis of said videocamera associated with each station and mounted so as to alert only the participant at said each station.
19. A video teleconferencing (VTC) system comprising: at least one site comprising at least one station at each of said sites, each station accommodating a participant, wherein at least one of said sites comprises at least two stations; a display screen within view of each of said participants; at least two videocameras, each of said videocameras having a videocamera output feed, comprising at least a videocamera associated with each station and positioned wherein said participant at each said station is located within said videocamera's field of view; at least one microphone, wherein each said participant situated at each station falls within the audio range of said microphone; and an automated video switching system for providing automatic selection between videocamera output feeds for sites having at least two stations, and for transmission of said selected videocamera output feed to other sites, said automated video switching system further comprising a plurality of operating modes for adjusting any of selection criteria and parameters.
20. The VTC of Claim 19, wherein said at least one site comprises a plurality of sites, and wherein at least one of said plurality of sites comprises a single station.
21. The VTC of Claim 19, each of said stations further comprising an interface comprising a video display and collaboration tools for communication of nonverbal information between said each participant.
22. The VTC of Claim 21 , wherein said collaboration tools comprise a means for sending notes to other stations.
23. The VTC of Claim 19, wherein said operating modes can be created by the user.
24. The VTC of Claim 19, wherein said operating modes can be adjusted by the user.
25. The VTC of Claim 19, wherein said operating modes comprise a speech mode, wherein the image of a specified participant at a site is displayed continuously to all participants at other sites.
26. The VTC of Claim 19, wherein said operating modes comprise a lecture mode, wherein two specified participants at different sites view only each other, and wherein all participants at other than said different sites view said two specified participants alternately.
27. The VTC of Claim 19, wherein said operating modes comprise a view force mode, wherein an individual site can force selection of a particular videocamera at said individual site, such that all other sites when viewing said individual site will view only the video signal from said particular videocamera.
28. The VTC of Claim 19, wherein said operating modes comprise a fast switching mode, wherein videocameras are selected quickly and often to track rapid exchanges such as that occur in an initial phase of a videoconference, when individuals introduce themselves and meet one another.
29. The VTC of Claim 19, further comprising at least one speaker wherein audio provided by said speaker is reflected from said display screen, such that said audio appears to said participants to be originating from said display screen.
30. The VTC of Claim 19, further comprising a collaborative table, comprising: a table videocamera positioned to capture images of a table surface situated at a first of said at least one site; and a projector, located at another of said at least one site, communicatively coupled with said table videocamera and positioned to project images received from said table videocamera onto a viewing surface.
31. The VTC of Claim 30, wherein stationary portions of the image from said table videocamera are encoded for transmission at relatively high resolution and moving portions of said image are encoded for transmission at relatively low resolution for efficient use of available communications bandwidth.
32. The VTC of Claim 30, wherein said image is decomposed into a multiscale stack of images, comprised of a low resolution base image and successively higher resolution terms; and wherein said higher resolution terms can be combined with said low resolution base image to form images of selectable quality and size to accommodate available communications bandwidth.
33. The VTC of Claim 19, said automated video switching system comprising a speech recognition system for detecting any of said each participant names and key phrases and for adjusting switching behavior accordingly.
34. The VTC of Claim 19, further comprising means for identifying participants by a signal from participant transponders, such as radio frequency identification (RFID) tags.
35. The VTC of Claim 19, further comprising selectably energizable light sources, positioned to gain attention of specific participants without alerting other participants.
36. The VTC of Claim 35, wherein said light sources are LEDs, affixed to said videocamera associated with each station, wherein said LEDs are aligned with the optical axis of said videocamera associated with each station and mounted so as to alert only the participant at said each station.
PCT/US2004/030756 2003-09-19 2004-09-17 Systems and method for enhancing teleconferencing collaboration WO2005029739A2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US50408503P 2003-09-19 2003-09-19
US60/504,085 2003-09-19
US10/911,079 2004-08-03
US10/911,079 US7092002B2 (en) 2003-09-19 2004-08-03 Systems and method for enhancing teleconferencing collaboration

Publications (3)

Publication Number Publication Date
WO2005029739A2 WO2005029739A2 (en) 2005-03-31
WO2005029739A3 WO2005029739A3 (en) 2005-05-19
WO2005029739B1 true WO2005029739B1 (en) 2005-06-30

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US (4) US7092002B2 (en)
WO (1) WO2005029739A2 (en)

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US7916165B2 (en) 2011-03-29
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