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Method and device for decoding video data and computer-readable storage medium

A video data and decoding technology, applied in the field of video decoding and compression, can solve the problems of expensive, visually lossless, difficult to implement, etc.

Active Publication Date: 2019-09-03
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, such schemes are sometimes not visually lossless, or may be difficult and expensive to implement in conventional display devices

Method used

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  • Method and device for decoding video data and computer-readable storage medium
  • Method and device for decoding video data and computer-readable storage medium
  • Method and device for decoding video data and computer-readable storage medium

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Embodiment Construction

[0023] In general, the present invention relates to methods of improving video compression techniques such as those used in display link video compression. More specifically, the present disclosure relates to systems and methods for improving the coding efficiency of the first row in a slice when using multi-mode coding techniques.

[0024] Although certain embodiments are described herein in the context of the DSC standard, those skilled in the art will appreciate that the systems and methods disclosed herein may be applicable to any suitable video coding standard. For example, embodiments disclosed herein may be applicable to one or more of the following standards: International Telecommunication Union (ITU) Telecommunication Standardization Sector (ITU-T) H.261, International Organization for Standardization / International Electrotechnical Commission (ISO / IEC) Moving Pictures Experts Group-1 (MPEG-1)Visual, ITU-T H.262 or ISO / IEC MPEG-2Visual, ITU-T H.263, ISO / IEC MPEG-4Vis...

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PUM

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Abstract

The present invention discloses a method and apparatus for video decoding using spatial prediction modes for multi-mode video decoding. In one aspect, the method includes coding a slice of video data, the slice including a plurality of pixels organized into a first row and a plurality of non-first rows. The coding the slice further includes coding a current pixel of the first row in a spatial prediction mode using a previous pixel of the first row as a predictor, and coding a current pixel of the first row in a spatial prediction mode other than the spatial prediction mode Decode another pixel other than the first row in the decoding mode.

Description

technical field [0001] The present invention relates to the field of video coding and compression, and in particular, to video compression for transmission over a display link, such as display link video compression. Background technique [0002] Digital video capabilities can be incorporated into a wide range of displays, including digital televisions, personal digital assistants (PDAs), laptop computers, desktop monitors, digital cameras, digital recording devices, digital media players, video game devices, video Game consoles, cellular or satellite radio phones, video teleconferencing devices, and the like. Use Display Link to connect the display to an appropriate source device. The bandwidth requirement of the display link is proportional to the resolution of the display, and therefore, a high resolution display requires a large bandwidth display link. Some display links do not have the bandwidth to support high-resolution displays. Video compression can be used to re...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N19/593
CPCH04N19/593H04N19/105H04N19/112H04N19/159H04N19/174H04N19/182
Inventor 纳坦·海姆·雅各布森维贾伊拉加哈万·提鲁马莱拉詹·拉克斯曼·乔希戴闵
Owner QUALCOMM INC