Invention Grant
- Patent Title: Transmission of video information
- Patent Title (中): 传输视频信息
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Application No.: US10785426Application Date: 2004-02-23
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Publication No.: US07693220B2Publication Date: 2010-04-06
- Inventor: Ru-Shang Wang , Ragip Kurceren , Viktor Varsa , Keith Miller
- Applicant: Ru-Shang Wang , Ragip Kurceren , Viktor Varsa , Keith Miller
- Applicant Address: FI Espoo
- Assignee: Nokia Corporation
- Current Assignee: Nokia Corporation
- Current Assignee Address: FI Espoo
- Main IPC: H04B1/66
- IPC: H04B1/66 ; H04N7/12 ; H04N11/02

Abstract:
The present invention relates to a method for transmitting video information, in which a bitstream is formed comprising a set of frames comprising macroblocks. At least one switching frame is formed into the bitstream, macroblocks of the switching frame are arranged into a first and a second group of macroblocks, each macroblock of the first group of macroblocks are encoded by a first encoding method to provide a switching point for continuing the transmission of video information with another bitstream formed from the video information; and macroblocks of the second group of macroblocks are encoded by another encoding method. Errors in transmission of video information are reduced by forming at least one SP-encoded frame by predictively encoding the macroblocks; replacing part of the SP-encoded macroblocks with intra encoded blocks; and transmitting the encoded frame containing both predictively and intra encoded macroblocks instead of the SP-encoded frame.
Public/Granted literature
- US20040218673A1 Transmission of video information Public/Granted day:2004-11-04
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