CN108028938A - 视频编码方法及装置 - Google Patents

视频编码方法及装置 Download PDF

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Publication number
CN108028938A
CN108028938A CN201680054222.9A CN201680054222A CN108028938A CN 108028938 A CN108028938 A CN 108028938A CN 201680054222 A CN201680054222 A CN 201680054222A CN 108028938 A CN108028938 A CN 108028938A
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CN
China
Prior art keywords
prediction mode
discrete cosine
cosine transform
coefficient
value
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Pending
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CN201680054222.9A
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English (en)
Inventor
张金雷
邹天玱
王妙锋
石中博
王世通
薛东
罗巍
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication of CN108028938A publication Critical patent/CN108028938A/zh
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

本发明实施例涉及视频编码方法及装置。该方法包括：对当前预测模式的预测残差进行离散余弦变换，得到变换系数；对变换系数进行量化，得到量化系数；对量化系数进行反量化，得到反量化系数；根据变换系数和反量化系数之差得到所述当前预测模式的失真值。根据当前预测模式的码率值和失真值得到当前预测模式代价值；选取多种预测模式中代价值最小的预测模式为最优预测模式；对最优预测模式的反量化系数进行反离散余弦变换，得到重建残差。本发明实施例根据变换系数和反量化系数之差得到失真值，只需对最优预测模式进行一次反变换得到重建残差。本发明实施例具有低复杂度、低功耗的优势，且可靠性高。

Description

PCT国内申请，说明书已公开。

Claims (13)

  1. PCT国内申请，权利要求书已公开。
CN201680054222.9A 2016-07-21 2016-07-21 视频编码方法及装置 Pending CN108028938A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2016/090884 WO2018014301A1 (zh) 2016-07-21 2016-07-21 视频编码方法及装置

Publications (1)

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CN108028938A true CN108028938A (zh) 2018-05-11

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CN201680054222.9A Pending CN108028938A (zh) 2016-07-21 2016-07-21 视频编码方法及装置

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CN (1) CN108028938A (zh)
WO (1) WO2018014301A1 (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111757104B (zh) * 2020-06-29 2022-11-18 北京百度网讯科技有限公司 一种图像编码方法、装置、电子设备及存储介质
CN112866695B (zh) * 2021-01-07 2023-03-24 上海富瀚微电子股份有限公司 一种视频编码器
CN113301347B (zh) * 2021-05-08 2023-05-05 广东工业大学 一种hevc高清视频编码的优化方法
CN113592966B (zh) * 2021-08-04 2024-04-30 上海哔哩哔哩科技有限公司 图像处理方法及装置、电子设备和存储介质

Citations (5)

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Publication number Priority date Publication date Assignee Title
JP2006262075A (ja) * 2005-03-17 2006-09-28 Pioneer Electronic Corp 画像符号化装置、画像符号化方法、および画像符号化用プログラム
CN101415121A (zh) * 2007-10-15 2009-04-22 华为技术有限公司 一种自适应的帧预测的方法及装置
US20120183051A1 (en) * 2011-01-19 2012-07-19 Samsung Electronics Co., Ltd. Method for video encoding mode selection and video encoding apparatus performing the same
CN102647593A (zh) * 2012-04-18 2012-08-22 北京大学 一种avs帧内模式决策方法和装置
CN103501437A (zh) * 2013-09-29 2014-01-08 北京航空航天大学 一种基于分形和h.264的高光谱图像压缩方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006262075A (ja) * 2005-03-17 2006-09-28 Pioneer Electronic Corp 画像符号化装置、画像符号化方法、および画像符号化用プログラム
CN101415121A (zh) * 2007-10-15 2009-04-22 华为技术有限公司 一种自适应的帧预测的方法及装置
US20120183051A1 (en) * 2011-01-19 2012-07-19 Samsung Electronics Co., Ltd. Method for video encoding mode selection and video encoding apparatus performing the same
CN102647593A (zh) * 2012-04-18 2012-08-22 北京大学 一种avs帧内模式决策方法和装置
CN103501437A (zh) * 2013-09-29 2014-01-08 北京航空航天大学 一种基于分形和h.264的高光谱图像压缩方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
张阳等: "H.264视频编码中的快速失真与速率估计算法", 《清华大学学报（自然科学版）》 *

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