Picture-in-picture processing for video telephony

Details Picture-in-picture processing for video telephony Picture-in-picture processing for video telephony

2005-08-19

2011-12-20

An, Shawn (Department: 2483)

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

C375S240240, C375S240250, C375S240010, C382S235000, C382S233000, C382S239000, C382S232000

Reexamination Certificate

active

08081684

ABSTRACT:
The disclosure is directed to techniques for picture-in-picture (PIP) processing for video telephony (VT). According to the disclosed techniques, a local video communication device transmits PIP information to a remote video communication device. Using the PIP information, the remote video communication device applies preferential encoding to non-PIP regions of video transmitted to the local video communication device.

REFERENCES:
patent: 5734415 (1998-03-01), Hwang
patent: 2004/0150748 (2004-08-01), Phillips et al.
patent: 2005/0053288 (2005-03-01), Srinivasan et al.
patent: 19934507 (2001-02-01), None
patent: 2001045476 (2001-02-01), None
patent: 2003111040 (2003-04-01), None
patent: 2003523103 (2003-07-01), None
patent: 100215620 (1999-08-01), None
patent: WO0016544 (2000-03-01), None
patent: 0131914 (2001-05-01), None
International Search Report and Written Opinion—PCT/US2006/032657, International Search Authority—European Patent Office—Jun. 2, 2007.
Translation of Office Action in Japan application 2008-527215 corresponding to U.S. Appl. No. 11/208,176, citing WO0131914A1, US5734415, US20040150748 and JP2003523103 dated Mar. 1, 2011.

Affiliated with

Also associated with

Rating

Picture-in-picture processing for video telephony does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Picture-in-picture processing for video telephony, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Picture-in-picture processing for video telephony will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4312022