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continuous prediction domain

A technique of inter-frame prediction and intra-frame prediction

Active Publication Date: 2020-10-16
GOOGLE LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Spherical images and videos are three-dimensional, therefore, common encoders and decoders cannot encode / decode spherical images and videos

Method used

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  • continuous prediction domain
  • continuous prediction domain
  • continuous prediction domain

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach

[0194] According to an exemplary embodiment, the orientation sensor 1625 detects the orientation (or change in orientation) of the viewer's eyes (or head), the field of view position determination module 1615 determines the field of view, angle of view, or field of view angle based on the detected orientation, and (in addition to spherical video) The tile request module 1620 communicates a view, angle of view, or view angle of view as part of a request for a tile or tiles. According to another exemplary embodiment, the orientation sensor 1625 detects orientation (or a change in orientation) based on the image translational orientation as rendered on the display. For example, a user may use a mouse, track stick, or gestures (eg, on a touch-sensitive display) to detect, move, drag, expand, etc., as part of a spherical video or image rendered on the display.

[0195] Requests for tiles may be transmitted along with requests for frames of spherical video. Requests for tiles may b...

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Abstract

A method of encoding spherical video is disclosed. The method consists of projection-based mapping of frames of a spherical video to a two-dimensional representation. Furthermore, during the prediction process, the method includes determining whether at least one block associated with the prediction scheme is on the boundary of the two-dimensional representation; and when it is determined that the at least one block associated with the prediction scheme is on the boundary, selecting the adjacent A block is a block comprising at least one pixel used during the prediction process, adjacent end blocks are associated with two or more boundaries of the two-dimensional representation.

Description

[0001] Cross References to Related Applications [0002] This application claims U.S. Nonprovisional Patent Application No. 14 / 518,956, filed October 20, 2014, entitled "CONTINUOUS PREDICTION DOMAIN," and filed October 20, 2014, entitled "COMPRESSING AND REPRESENTING MULTI-VIEW VIDEO (compress and represent multi-view video)", U.S. nonprovisional patent application No. 14 / 519,006, filed on October 20, 2014, entitled "STREAMING THE VISIBLEPARTS OF A SPHERICAL VIDEO (streaming spherical video U.S. Nonprovisional Patent Application No. 14 / 518,710, filed October 20, 2014, entitled "MAPPING SPHERICAL IMAGE TO 2DREPRESENTATIONS" Priority of No. 14 / 518,779, which is hereby incorporated by reference in its entirety. technical field [0003] Embodiments relate to encoding and decoding spherical images and spherical video. Embodiments relate to streaming spherical video. Background technique [0004] Typically, conventional two-dimensional (2D) intra prediction schemes select the l...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N19/105H04N19/593H04N19/107H04N19/503H04N19/174H04N19/44H04N19/61
CPCH04N19/105H04N19/107H04N19/174H04N19/44H04N19/503H04N19/593H04N19/61G06T11/00H04N19/597H04N19/124H04N19/167H04N23/698
Inventor 阿德里安·威廉·格朗热亚历山大·杰·康弗斯德巴尔加·慕克吉赖利·亚当斯吉姆·班科斯基安德鲁·伊安·拉塞尔
Owner GOOGLE LLC