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System and method for real-time processing of compressed videos

專利號
US10897633B2
公開日期
2021-01-19
申請人
Massachusetts Institute of Technology(US MA Cambridge)
發(fā)明人
Zhengdong Zhang; Vivienne Sze
IPC分類
H04N19/70; G06T3/40; H04N19/105; H04N19/117; H04N19/124; H04N19/15; H04N19/159; H04N19/46; H04N19/513; H04N19/61; H04N19/86; H04N19/172; H04N19/176; H04N19/182; H04N19/184
技術(shù)領(lǐng)域
video,frame,sr,blocks,resolution,bicubic,block,enhanced,fast,in
地域: MA MA Cambridge

摘要

A real-time system and method for displaying video on a display are disclosed. Received compressed video data is decoded to produce an uncompressed first video frame, a first frame syntax element, an uncompressed second video frame, and a second frame syntax element. A computationally intensive process is applied to the uncompressed first video frame to produce an enhanced first video frame. A block having a portion of the enhanced first video frame from the enhanced first video frame is adaptively transferred to the uncompressed second video frame to produce an enhanced second video frame without applying the computationally intensive process to the uncompressed second video frame. The transferring is guided by the first frame syntax element and the second frame syntax element. The enhanced first video frame and the enhanced second video frame are displayed.

說明書

The syntax elements generally include information used by the video compression algorithm to relate objects in successive frames. For example, the uncompressed video frames may include an uncompressed first video frame 131, and an uncompressed second video frame 132. The syntax elements 135 may include, a first frame syntax element, in this case, dimensions (w (width), h (height)) and source position coordinates (x,y) for a first block 165 and a second frame syntax element including dimensions (w,h) and target position coordinates (x′, y′) for a second block 175.

A computationally intensive process 140 is applied to the uncompressed first video frame 131 to produce an enhanced first video frame 160, as shown by block 230. For example, the computationally intensive process may include super resolution upscaling. It should be noted that the computationally intensive process 140 may share processing modules and/or hardware modules/resources with the decoder 120.

權(quán)利要求

1
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