System and method of enabling adaptive bitrate streaming for volumetric videos

Abstract

Aspects of the subject disclosure may include, for example, a device that has a processing system including a processor; and a memory that stores executable instructions that, when executed by the processing system, facilitate performance of operations including selecting a downsampling technique for removing points from a point cloud in a volumetric video; selecting a data reduction percentage for a target bitrate for streaming the volumetric video; downsampling the point cloud in each frame of the volumetric video for the target bitrate using the downsampling technique and data reduction percentage selected, thereby creating a downsampled volumetric video; and compressing and encoding the downsampled volumetric video, thereby creating an encoded volumetric video. Other embodiments are disclosed.

What is claimed is: 
     
         1 . A device, comprising:
 a processing system including a processor; and   a memory that stores executable instructions that, when executed by the processing system, facilitate performance of operations, the operations comprising:
 selecting a point cloud downsampling technique from a plurality of point cloud downsampling techniques for removing points from point clouds of a volumetric video; 
 selecting a data reduction percentage for a target bitrate for streaming the volumetric video; and 
 downsampling a point cloud in each frame of the volumetric video for the target bitrate using the point cloud downsampling technique and data reduction percentage selected, thereby creating a downsampled volumetric video comprising a downsampled point cloud in each frame. 
   
     
     
         2 . The device of  claim 1 , wherein the operations further comprise creating a manifest file for the volumetric video. 
     
     
         3 . The device of  claim 2 , wherein the operations further comprise storing a compressed copy of the volumetric video and the manifest file on a streaming server. 
     
     
         4 . The device of  claim 2 , wherein the manifest file identifies a supported bitrate, a decoding scheme, and information needed to render each encoded volumetric video. 
     
     
         5 . The device of  claim 1 , wherein the data reduction percentage is selected based on a compression ratio used to encode the volumetric video. 
     
     
         6 . The device of  claim 1 , wherein the point cloud downsampling technique is selected based on visual quality. 
     
     
         7 . The device of  claim 1 , wherein the point cloud downsampling technique is selected from a group comprising random simplification, grid simplification and hierarchy simplification. 
     
     
         8 . The device of  claim 1 , wherein a streaming server selects a compressed copy of the volumetric video from a plurality of encoded volumetric videos based on an adaptive bitrate and streams the volumetric video selected. 
     
     
         9 . The device of  claim 1 , wherein the processing system comprises a plurality of processors operating in a distributed computing environment. 
     
     
         10 . A non-transitory, machine-readable medium, comprising executable instructions that, when executed by a processing system including a processor, facilitate performance of operations, the operations comprising:
 determining a plurality of target bitrates for a volumetric video, wherein the volumetric video comprises a plurality of point clouds, wherein each frame of the volumetric video comprises a point cloud in the plurality of point clouds;   selecting a point cloud downsampling technique from a plurality of point cloud downsampling techniques;   selecting a data reduction percentage for a target bitrate in the plurality of target bitrates; and   downsampling the point cloud in each frame of the volumetric video for the target bitrate using the point cloud downsampling technique and data reduction percentage selected, thereby creating a downsampled volumetric video comprising a downsampled point cloud in each frame.   
     
     
         11 . The non-transitory, machine-readable medium of  claim 10 , wherein the data reduction percentage is selected based on a compression ratio used to encode the volumetric video. 
     
     
         12 . The non-transitory, machine-readable medium of  claim 10 , wherein a manifest file identifies a supported bitrate, a decoding scheme, and information needed to render each volumetric video. 
     
     
         13 . The non-transitory, machine-readable medium of  claim 10 , wherein the point cloud downsampling technique is selected based on visual quality. 
     
     
         14 . The non-transitory, machine-readable medium of  claim 13 , wherein the point cloud downsampling technique is a hierarchy simplification. 
     
     
         15 . The non-transitory, machine-readable medium of  claim 10 , wherein the operations further comprise:
 downsampling the point cloud in each frame of the volumetric video for each target bitrate in the plurality of target bitrates using a plurality of data reduction percentages selected, thereby creating a plurality of downsampled volumetric videos;   creating a manifest file for each compressed copy of the downsampled volumetric videos; and   storing compressed copies of the downsampled volumetric videos and the manifest files on a streaming server.   
     
     
         16 . The non-transitory, machine-readable medium of  claim 15 , wherein the streaming server selects a first volumetric video from the plurality of downsampled volumetric videos based on an adaptive bitrate and streams the volumetric video selected. 
     
     
         17 . The non-transitory, machine-readable medium of  claim 10 , wherein the processing system comprises a plurality of processors operating in a distributed computing environment. 
     
     
         18 . A method, comprising:
 selecting, by a processing system including a processor, a point cloud downsampling technique for removing points in point clouds of a volumetric video, wherein the point cloud downsampling technique is selected based on visual quality;   selecting, by the processing system, a data reduction percentage for a target bitrate for streaming the volumetric video, wherein the data reduction percentage is selected based on a compression ratio used to encode the volumetric video; and   downsampling, by the processing system, a point cloud in each frame of the volumetric video for the target bitrate using the point cloud downsampling technique and data reduction percentage selected, thereby creating a downsampled volumetric video comprising a downsampled point cloud in each frame.   
     
     
         19 . The method of  claim 18 , comprising: creating, by the processing system, a manifest file for the downsampled volumetric video. 
     
     
         20 . The method of  claim 19 , comprising: storing, by the processing system, a compressed copy of the downsampled volumetric video and the manifest file on a streaming server.