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Method and device for sampling-based super-resolution video encoding and decoding

A video encoding and super-resolution technology, applied in the field of video encoding and decoding, can solve the problem that fixed jitter is not effective

Active Publication Date: 2016-08-10
INTERDIGITAL CE PATENT HLDG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, for the case of potentially non-stationary backgrounds in high-resolution video downsampled for subsequent super-resolution in our target application, fixed dithering is not an effective strategy.

Method used

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  • Method and device for sampling-based super-resolution video encoding and decoding
  • Method and device for sampling-based super-resolution video encoding and decoding
  • Method and device for sampling-based super-resolution video encoding and decoding

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Embodiment Construction

[0025] The present principles are directed to methods and apparatus for sampling-based super-resolution video encoding and decoding.

[0026] This description illustrates the present principles. It will thus be appreciated that those skilled in the art will be able to devise various arrangements which, although not explicitly described or shown herein, embody the present principles and are included within its spirit and scope.

[0027] All examples and conditional language enumerated herein are intended for teaching purposes to help readers understand the present principles and concepts contributed by the inventors to advance technological progress, and should be understood as not being limited to such specifically enumerated examples and conditions.

[0028] Moreover, all statements herein reciting various principles, aspects, and embodiments of the present principles, as well as specific examples thereof, are intended to encompass both structural and functional equivalents t...

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Abstract

Methods and apparatus are provided for sampling-based super resolution video encoding and decoding. The encoding method receives high resolution pictures and generates low resolution pictures and metadata there from, the metadata for guiding post-decoding post-processing of the low resolution pictures and the metadata; and then encodes the low resolution pictures and the metadata using at least one encoder. The corresponding decoding method receives a bitstream and decodes low resolution pictures and metadata there from using a decoder; and then reconstructs high resolution pictures respectively corresponding to the low resolution pictures using the low resolution pictures and the metadata.

Description

[0001] Cross Reference Related Applications [0002] This application claims the benefit of US Provisional Application No. 61 / 297,320, filed January 22, 2010, which is hereby incorporated by reference in its entirety. technical field [0003] The present principle generally relates to video encoding and decoding, and in particular relates to a sampling-based super-resolution video encoding and decoding method and device. Background technique [0004] In a first prior art approach a video compression approach using super-resolution is proposed. In a first prior art approach, the spatial size of the input video is downscaled to some predetermined low resolution (LR) size before encoding. After the low-resolution video is received at the decoder side, the super-resolution method is used together with some auxiliary information (metadata) sent with the bit stream to upscale the low-resolution video to its original size. The metadata includes a block-based segmentation of the f...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N19/119H04N19/172H04N19/46H04N19/12H04N19/132H04N19/137H04N19/20H04N19/33H04N19/527H04N19/537H04N19/573H04N19/59H04N19/577
CPCH04N19/119H04N19/12H04N19/132H04N19/137H04N19/172H04N19/20H04N19/33H04N19/46H04N19/527H04N19/537H04N19/573H04N19/577H04N19/59H04N19/11H04N19/53H04N19/85
Inventor S.巴加瓦西J.拉克张冬青
Owner INTERDIGITAL CE PATENT HLDG