Coding of 360 degree videos using region adaptive smoothing

A video and area technology, applied in the field of 360-degree video encoding, can solve the problem of bit rate increase

Inactive Publication Date: 2017-08-29
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Increased bit rates are the limiting factor in delivering high-quality 360-degree immersive video viewing experiences to consumers

Method used

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  • Coding of 360 degree videos using region adaptive smoothing
  • Coding of 360 degree videos using region adaptive smoothing
  • Coding of 360 degree videos using region adaptive smoothing

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Embodiment Construction

[0032] discussed below Figures 1 to 17 The various embodiments used to describe the principles of the disclosure in this patent document are by way of illustration only and should not be construed in any way to limit the scope of the disclosure. Those skilled in the art will understand that the principles of the present disclosure may be implemented in any suitably arranged system.

[0033] The following documents and standard descriptions are hereby incorporated into this disclosure as if fully set forth herein:

[0034] [1] M. Narroschke and R. Swoboda, "Extending HEVC by an affine motionmodel", pp. 321-324, IEEE Picture Coding Symposium, 2013.

[0035] [2] J. Zheng et al., "Adaptive selection of motion models for panoramic video", pages 1319-1322, IEEE International Conference on Multimedia and Expo, 2007.

[0036] Prior techniques for encoding video using complex motion models such as [1] and [2] can be used. However, these techniques have the disadvantage that they re...

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Abstract

A video processing unit and method for region adaptive smoothing. The image processing unit includes a memory and one or more processors. The one or processors are operably connected to the memory and configured to stitch together a plurality of video frames into a plurality of equirectangular mapped frames of a video. The one or processors are configured to define a top region and a bottom region for each of the equirectangular mapped frames of the video; perform a smoothing process on the top region and the bottom region for each of the equirectangular mapped frames of the video; and encode the smoothed equirectangular mapped frames of the video.

Description

technical field [0001] The present application relates generally to generating video data, and more particularly to the encoding of 360-degree video using region-adaptive smoothing. Background technique [0002] 360-degree video is a new way to experience immersive video using devices like GearVR. By capturing a 360-degree view of the world, 360-degree video enables consumers to experience immersive "real life," "being there" experiences. Users can change their point of view and dynamically view any part of the captured scene they desire. 360-degree video requires a higher bit rate than conventional video due to the increased video resolution (4K and higher) required to support a wider field of view. Increased bit rates are the limiting factor in delivering high-quality 360-degree immersive video viewing experiences to consumers. [0003] Therefore, the bit rate requirement is also higher, forcing the need for efficient compression. 360-degree video has unique properties...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N13/00H04N13/02H04N19/46H04N19/117H04N19/17H04N19/167H04N19/86
CPCH04N19/117H04N19/167H04N19/17H04N19/46H04N19/86H04N13/106H04N19/51H04N13/243H04N13/156H04N13/161
Inventor J.弗顿金国鑫J.威尔金森A.迪克森M.布达加维A.萨克塞纳
Owner SAMSUNG ELECTRONICS CO LTD
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