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Panoramic video rendering and display attribute indication method and system

A panoramic video and attribute technology, applied in stereoscopic systems, selective content distribution, image communication, etc., can solve the problems of unable to use panoramic video media content indexing, unable to realize video content indication, etc., and achieve the effect of meeting high-quality consumer demand

Active Publication Date: 2018-06-29
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this patent cannot realize the indication of video content, and cannot be used for the indexing of media content during perspective-based rendering, presentation and perspective switching of panoramic videos.

Method used

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  • Panoramic video rendering and display attribute indication method and system
  • Panoramic video rendering and display attribute indication method and system
  • Panoramic video rendering and display attribute indication method and system

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Embodiment Construction

[0040] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0041] In order to realize the real-time rendering and presentation of the media content within the user's field of view and the real-time switching of the field of view, it is necessary to indicate the spatial attributes of the media content. Considering that human eyes have different sensitivities to different areas within the field of view, it is also necessary to indicate the quality information of the panoramic video. In this way, the indexing of media content can be performed normally when r...

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Abstract

The invention provides a panoramic video rendering and display attribute indication method and a panoramic video rendering and display attribute indication system. The method comprises the step of inserting first indication information, and second indication information and / or third indication information into description information related to rendering and display of a panoramic video, wherein the first indication information is used for indicating media content attribute of the panoramic video, and comprises an identifier of a mapping format of the panoramic video and an identifier about that whether the panoramic video covers a 360-degree view angle; the second indication information is used for indicating spatial information of the panoramic video; and the third indication informationis used for indicating quality information of the panoramic video. According to the method and the system provided by the invention, the rendering and display of the media content based on the view angle can be achieved, and the panoramic video matched with the view angle can meet the high-quality consumption requirement of the user on the panoramic video as much as possible under the condition that the network bandwidth is limited.

Description

technical field [0001] The present invention relates to the technical field of digital media, in particular to a panoramic video rendering and presentation attribute indication method and system, which provides necessary indication information for panoramic video and is used for real-time rendering and presentation of panoramic video. Background technique [0002] With the rapid development of digital media technology, immersive media has gradually become one of the development directions of future media. While industry and academia are extensively investing in panoramic video production and coding research, the transmission of panoramic video is also facing some problems that need to be solved. [0003] For the panoramic video, the media content consumed by the user each time is a part of the spatial area of ​​the entire complete video, and the spatial area of ​​the consumed media content changes as the viewing angle of the user watches the panoramic video. [0004] After ...

Claims

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Application Information

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IPC IPC(8): H04N21/44H04N21/235H04N21/4402H04N21/81H04N13/122
CPCH04N21/235H04N21/44012H04N21/440263H04N21/816H04N13/111
Inventor 徐异凌张文军程铭胡颖孙军管云峰王延峰
Owner SHANGHAI JIAO TONG UNIV
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