Method, device, and computer program for adaptive streaming of virtual reality media content

A technology for media data and views, applied in the field of video streaming, to achieve the effect of maintaining scalability, reducing resources and improving quality

Active Publication Date: 2019-01-04
CANON KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Some projections may generate non-sequential maps of pixels

Method used

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  • Method, device, and computer program for adaptive streaming of virtual reality media content
  • Method, device, and computer program for adaptive streaming of virtual reality media content
  • Method, device, and computer program for adaptive streaming of virtual reality media content

Examples

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Embodiment Construction

[0159] According to a particular embodiment, a streaming manifest or a streaming playlist (eg, a Media Presentation Description (MPD) via the Dynamic Adaptive Streaming (DASH) protocol over HTTP) is used to signal (i.e., provide) the width of the representation scene. A characteristic of the view's media data (eg, virtual reality media data such as a panoramic image or a collection of stitchable images). In the case of DASH these properties can be signaled in newly added structural elements or descriptors, which can include, for example, the type of projection used to create the panoramic image, the accessibility to parts of the panoramic image, and the quality and Viewing direction indication, this quality and viewing direction indication are used to help first inform the streaming media client that the media is not classic media or video but to provide some navigation possibilities, and then assist the streaming media client to select the data to retrieve. The first point en...

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PUM

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Abstract

The invention relates to the streaming of media data representing a capturing projection of a wide view of a scene, the streamed media data making it possible to render the wide view on a 3D geometricdisplay surface or to render the wide view on a display surface according to different viewpoints, the rendering comprising rendering projection of media data. After having received a description file including information on the media data, the information comprising descriptive information relating to the capture of the wide view for producing the media data, request messages to request media data streams based on the description file are sent to the server. In response to the request messages, media data corresponding to the requested media data streams are received.

Description

technical field [0001] The present invention relates to the technical field of video streaming, and more particularly to a method, apparatus and computer program for adaptive streaming of virtual reality media content eg via an IP network such as the Internet using the http protocol. Background technique [0002] A media presentation typically includes several pieces of media content such as audio and video. These media content can be sent from the server to the client for co-playing by the client devices. [0003] To improve user experience and in particular provide an immersive experience, video and even audio can be omnidirectional (or multi-directional or multi-directional). When applied to video (also known as 360° panoramic video), the user feels located in the displayed scene. [0004] Omni-directional video can be obtained from 360° cameras and / or by combining images from video streams obtained from eg several cameras mounted on special equipment such that all came...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N21/845H04N21/2343H04N21/81H04N21/218
CPCH04N21/23439H04N21/816H04N21/8456H04N21/21805H04N21/2353H04N21/26258H04N21/6373H04N21/40G06T15/00H04N21/4353H04N21/44029H04N21/2343H04N21/235
Inventor 乔纳森·泰奎特弗兰克·德诺奥内尔·奥德拉奥果
Owner CANON KK
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