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    • 4. 发明授权
    • Transmission of video information
    • 传输视频信息
    • US07693220B2
    • 2010-04-06
    • US10785426
    • 2004-02-23
    • Ru-Shang WangRagip KurcerenViktor VarsaKeith Miller
    • Ru-Shang WangRagip KurcerenViktor VarsaKeith Miller
    • H04B1/66H04N7/12H04N11/02
    • H04N21/23424H04N19/107H04N19/164H04N19/172H04N19/176H04N19/61H04N19/65H04N19/89H04N21/44016
    • 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.
    • 本发明涉及一种用于发送视频信息的方法,其中形成包括一组包含宏块的帧的比特流。 至少一个切换帧形成到比特流中,切换帧的宏块被布置成第一和第二组宏块,第一组宏块的每个宏块由第一编码方法编码,以提供用于连续的切换点 用视频信息形成的另一比特流传输视频信息; 并且第二组宏块的宏块由另一编码方法编码。 通过对宏块进行预测编码形成至少一个SP编码帧来减少视频信息传输中的错误; 用帧内编码块代替SP编码的宏块的一部分; 并且发送包含预测和帧内编码宏块的编码帧,而不是SP编码帧。