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Restricting inter-layer prediction based on a maximum number of motion-compensated layers in high efficiency video coding (HEVC) extensions

專利號(hào)
US10097825B2
公開(kāi)日期
2018-10-09
申請(qǐng)人
QUALCOMM Incorporated（US CA San Diego）
發(fā)明人
Vadim Seregin; Ye-Kui Wang; Ying Chen; Marta Karczewicz
IPC分類
H04N19/105; H04N19/139; H04N19/30; H04N19/187
技術(shù)領(lǐng)域
video,prediction,layer,motion,coding,in,may,inter,or,intra
地域： CA CA San Diego

摘要

A method of coding video data includes receiving video information associated with a first layer and a second layer and determining whether at least one of the first layer and the second layer is a default layer. The method can include at least partially restricting inter-layer prediction when neither the first layer nor the second layer is the default layer. A default layer can be a base layer or an enhancement layer. A flag can be received that indicates that inter-layer prediction is to be restricted. In addition, the method can include determining whether inter-layer prediction is allowed for the video information associated with the first layer, and determining whether inter-layer prediction is partially allowed for the video information associated with the second layer such that motion compensation is not used with the second layer video information.

說(shuō)明書(shū)

In another embodiment, a method of coding video information includes receiving video information associated with a first layer and a second layer; determining whether at least one of the first layer and the second layer is a default layer; and at least partially restricting inter-layer prediction when neither the first layer nor the second layer is the default layer.

In another embodiment, a video coding apparatus includes means for receiving video information associated with a first layer and a second layer; means for receiving determining whether at least one of the first layer and the second layer is a default layer; and means for at least partially restricting inter-layer prediction when neither the first layer nor the second layer is the default layer.

In another embodiment, a non-transitory computer readable medium has stored thereon code that when executed causes an apparatus to receive video information associated with a first layer and a second layer; determine whether at least one of the first layer and the second layer is a default layer; and at least partially restrict inter-layer prediction when neither the first layer nor the second layer is the default layer.

BRIEF DESCRIPTION OF DRAWINGS

FIG. 1 is a block diagram illustrating an example video encoding and decoding system that may utilize techniques in accordance with aspects described in this disclosure.

FIG. 2 is a block diagram illustrating an example of a video encoder that may implement techniques in accordance with aspects described in this disclosure.

權(quán)利要求

1
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