Method and apparatus for requesting and receiving selected segment streams based on projection information
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United States of America Patent
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Jun 4, 2019
Grant Date -
Feb 1, 2018
app pub date -
Jul 26, 2017
filing date -
Jul 29, 2016
priority date (Note) -
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Abstract
Aspects of the disclosure provide an apparatus having an interface circuit, a processing circuit, and a display device. The interface circuit is configured to receive media presentation description information of media data. The media data includes video content on a two-dimensional (2D) plane that is projected from video content of a sphere surface. The video content on the 2D plane includes a plurality of segment streams having different coverages on the 2D plane. The media presentation description information uses projection based spatial relationship description (P-SRD) to describe the different coverages of the video content on the 2D plane according to the projection. The processing circuit is configured to determine one or more segment streams based on a region of interests for image generation and the P-SRD, select segments in the one or more segment streams, and cause the interface circuit to request and receive the selected segments.
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