Matthias Scholl, PC
Method and device for video encoding or decoding based on image super-resolution
A method for video encoding based on an image super-resolution, the method including: 1) performing super-resolution interpolation on a video image to be encoded using a pre-trained texture dictionary database to yield a reference image; in which the texture dictionary database includes: one or multiple dictionary bases, and each dictionary basis includes a mapping group formed by a relatively high resolution image block of a training image and a relatively low resolution image block corresponding to the relatively high resolution image block; 2) performing motion estimation and motion compensation of image blocks of the video image on the reference image to acquire prediction blocks corresponding to the image blocks of the video image; 3) performing subtraction between the image blocks of the video image and the corresponding prediction blocks to yield prediction residual blocks, respectively; and 4) encoding the prediction residual blocks.
PEKING UNIVERSITY SHENZHEN GRADUATE SCHOOL
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Tiejun Shengfu Yang Wen Wenmin Ronggang Zhenyu Siwei
Huang Dong Zhao Gao Wang Wang Wang Ma