HEVC intra mode selection based on Rate Distortion (RD) cost and Sum of Absolute Difference (SAD)
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- 作者：Junaid Tariqa ; contact2jt@yahoo.com" class="auth_mail" title="E-mail the corresponding author ; Sam Kwonga ; c ; cssamk@cityu.edu.hk" class="auth_mail" title="E-mail the corresponding author ; Hui Yuanb ; a ; yuanhui0325@gmail.com" class="auth_mail" title="E-mail the corresponding author
- 关键词：Fast intra prediction ; Low complexity video coding ; Rough mode decision ; Rate distortion cost prediction ; High Efficiency Video Coding (HEVC) ; Image coding ; Video coding ; Video compression
- 刊名：Journal of Visual Communication and Image Representation
- 出版年：2016
- 出版时间：February 2016
- 年：2016
- 卷：35
- 期：Complete
- 页码：112-119
- 全文大小：1358 K
文摘
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The relationship between SAD and RD-cost is investigated for intra mode selection.
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The ‘rate’ and ‘distortion’ requirement for a given SAD value varies with the QP.
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The model is derived that is based on the rate and distortion requirement for SAD.
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The overall proposed algorithm efficiently short list the intra mode(s) for RDO.
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The RMD module of HEVC is outperformed in terms of BD-Rate and time saving.