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Hybrid-resolution encoding and decoding method and a video apparatus using the same

專利號
US10097821B2
公開日期
2018-10-09
申請人
Tencent Technology (Shenzhen) Company Limited（CN Shenzhen, Guangdong Province）
發(fā)明人
Chenchen Gu; Xunan Mao; Jingchang Chen; Jing Lv; Ronggang Wang; Bocheng Xin; Wen Gao
IPC分類
H04N19/139; H04N19/59; H04N19/159; H04N19/176; H04N19/172; H04N19/117; H04N19/132; H04N19/137; H04N19/182
技術(shù)領(lǐng)域
frame,macroblock,sampling,resolution,video,decoding,max_res,picture,coding,in
地域： Shenzhen

摘要

The present invention provides a hybrid-resolution encoding and decoding method. The method includes performing full-resolution standard coding on an I frame that adopts only intra-frame coding in a video frame sequence, and performing frame reconstruction to obtain a reconstructed frame of the I frame; performing down-sampling on the reconstructed frame of the I frame to obtain a first sampling image of the reconstructed frame of the I frame; performing down-sampling on a non-I frame in the video frame sequence to obtain a second sampling image of the non-I frame; performing standard coding on the second sampling image of the non-I frame by using the first sampling image of the reconstructed frame of the I frame that corresponds to the non-I frame as a reference frame; and sending a video code stream that includes the full-resolution standard coded I frame and the standard coded non-I frame.

說明書

  • an operating system 1010, which includes procedures for handling various basic system services and for performing hardware dependent tasks;
  • a network communication module (or instructions) 1012 for connecting the computer 1000 with other devices (e.g., a remote server or client device) via one or more network interfaces 1004 (wired or wireless) and a communication network (e.g., the Internet);
  • a user interface module 1014 for displaying different user interface controls (e.g., textboxes or dropdown lists or push buttons) as well as data and images in accordance with user input;
  • a video encoding module 1016 that further includes: an I frame encoding module 1018, a down-sampling module 1020, a non-I frame encoding module 1022, a transmission module 1024, etc., which are described above in connection with FIG. 7; and
  • a video decoding module 1050 that further includes: a code stream receiving module 1052, an I frame decoding module 1054, a down-sampling module 1056, a non-I frame decoding module 1058, a super-resolution recovery module 1060 etc., which are described above in connection with FIG. 8.

    • 權(quán)利要求

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