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360° image/video internal processing method and device with rotation information

A technology for video processing and video content, applied in image data processing, 3D image processing, image communication, etc., and can solve problems such as poor compression efficiency

Active Publication Date: 2021-07-30
MEDIATEK INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the original 360-degree image / video content represented in a 360-degree virtual reality projection format may have poor compression efficiency due to moving objects being segmented and / or stretched by the applied 360VR projection format

Method used

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  • 360° image/video internal processing method and device with rotation information
  • 360° image/video internal processing method and device with rotation information
  • 360° image/video internal processing method and device with rotation information

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Embodiment Construction

[0017] Certain terms referring to particular components are used throughout the ensuing description and claims. As those skilled in the art will recognize, electronic device manufacturers may refer to components by different names. This article does not intend to distinguish between components with different names but with the same function. In the ensuing description and claims, the terms "include" and "comprise" are used in an open-ended manner and thus should be construed to mean "including but not limited to...". Also, the term "coupled" is used to mean an indirect or direct electrical connection. Thus, if a device couples to another device, that connection may be through a direct electrical connection or through an indirect electrical connection via other devices and connections.

[0018] figure 1 is a schematic diagram of a 360-degree virtual reality (360-degree Virtual Reality, 360VR) system according to an embodiment of the present invention. The 360VR system 100 ...

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PUM

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Abstract

The present invention provides a video processing method, comprising: receiving a current input frame with 360-degree image / video content expressed in a 360-degree virtual reality (360-degree Virtual Reality, 360VR) projection format, and receiving the current input frame in the current input frame applying a content-directed rotation to the 360-degree image / video content to generate a content-rotated frame of the 360-degree image / video content having a rotation represented in the 360-degree virtual reality projection format, encoding the content-rotated frame to generate a bitstream, and passing the The bitstream signals at least one syntax element, wherein the at least one syntax element is set as rotation information for indicating the content-oriented rotation.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to the following applications: U.S. Provisional Application No. 62 / 419,513 filed November 9, 2016, U.S. Provisional Application No. 62 / 433,272 filed December 13, 2016, 03 / 2017 U.S. Provisional Application No. 62 / 469,041 filed on November 09 and U.S. Application No. 15 / 802,481 filed on November 03, 2017. The subject matter of these applications are hereby incorporated by reference. technical field [0003] The present invention relates to 360 degree image / video content processing. More specifically, the present invention relates to a method and apparatus of video encoding functionality with syntax element signaling of rotation information applied to content-oriented rotation of 360 degree image / video content represented in a projection format and with associated video decoding functionality Methods and Equipment. Background technique [0004] Virtual reality (VR) with a head-mounted ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N19/70H04N19/597H04N13/161
CPCH04N19/597H04N19/70H04N19/85H04N19/91H04N19/82H04N19/107H04N13/111H04N13/161H04N13/117G06T9/00G06T15/10H04N2013/0088H04N23/698H04N25/41G06T3/40G06T19/006H04N19/00
Inventor 林鸿志黄昭智李佳盈林建良张胜凯
Owner MEDIATEK INC