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Video decoding method based on subpixel interpolation processing

A video decoding and sub-pixel technology, which is applied in the field of video decoding based on sub-pixel difference processing, can solve the problems of inflexible reference relationship, poor video quality, and inefficient use of reference frames, etc.

Inactive Publication Date: 2019-04-12
盐城雪堰机械设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Traditional encoders encode video frames indiscriminately, which may cause poor video quality in some scenes. When encoding all video frames indiscriminately, the resolution of the referenced video frames is the same, then The video frame can only refer to the reference frame of the same resolution, the use efficiency of the reference frame is not high, and the reference relationship is not flexible enough

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  • Video decoding method based on subpixel interpolation processing

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Embodiment Construction

[0012] The embodiment of the present invention provides a video decoding method based on sub-pixel difference processing, comprising the following steps:

[0013] Step 1, obtain the coded data corresponding to the video frame to be decoded.

[0014] Wherein, the video frame to be decoded is a video frame that needs to be decoded, and the coded data is data used for decoding. The decoding end can receive the encoded data sent by the encoding end through the network. The encoded data may be obtained by encoding the input video frame according to the full-resolution processing method at the encoding end, or may be obtained by down-sampling the input video frame according to the corresponding processing method and then encoding.

[0015] In one embodiment, the processing mode information corresponding to the video frame to be decoded can be obtained from the header information of the encoded data, and after obtaining the reconstructed video frame corresponding to the video frame ...

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Abstract

The invention relates to a video decoding method based on subpixel interpolation processing. After coding data corresponding to to-be-decoded video frames and current reference frames corresponding tothe to-be-decoded video frames are obtained, subpixel interpolation mode of the current reference frames can be determined. In the subpixel interpolation modes, the current reference frames are processed according to resolution information of the current reference frames. Resolution of the current reference frames is adjusted to obtain target reference frames. Even if the resolution of the current reference frames is different from that of the to-be-decoded video frames, the current reference frames can be taken as the reference frames of the to-be-decoded video frames. The to-be-decoded video frames are coded according to the obtained target reference frames. Use efficiency of the reference frame is improved.

Description

technical field [0001] The present application relates to the technical field of image processing, in particular to a video decoding method based on sub-pixel difference processing. Background technique [0002] Traditional encoders encode video frames indiscriminately, which may cause poor video quality in some scenes. When encoding all video frames indiscriminately, the resolution of the referenced video frames is the same, then The video frame can only refer to the reference frame of the same resolution, the use efficiency of the reference frame is not high, and the reference relationship is not flexible enough. Contents of the invention [0003] An embodiment of the present invention provides a video decoding method based on sub-pixel difference processing, including: [0004] Obtain the encoded data corresponding to the video frame to be decoded; [0005] Obtain the current reference frame corresponding to the video frame to be decoded; [0006] Determine the sub-p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/59H04N19/132H04N19/517H04N19/80H04N19/44
CPCH04N19/59H04N19/132H04N19/44H04N19/517H04N19/80
Inventor 林路路
Owner 盐城雪堰机械设备有限公司