WO2017065525A3 - 영상을 부호화 또는 복호화하는 방법 및 장치 - Google Patents

영상을 부호화 또는 복호화하는 방법 및 장치 Download PDF

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Publication number
WO2017065525A3
WO2017065525A3 PCT/KR2016/011497 KR2016011497W WO2017065525A3 WO 2017065525 A3 WO2017065525 A3 WO 2017065525A3 KR 2016011497 W KR2016011497 W KR 2016011497W WO 2017065525 A3 WO2017065525 A3 WO 2017065525A3
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Prior art keywords
inverse
transformation
coefficient
quantization
conduct
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PCT/KR2016/011497
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English (en)
French (fr)
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WO2017065525A2 (ko
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알쉬나엘레나
미슈로브스키미카엘
알쉰알렉산더
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삼성전자 주식회사
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Priority to EP19207504.2A priority Critical patent/EP3629581A1/en
Priority to CN202110146952.4A priority patent/CN112929660B/zh
Priority to CN201680059343.2A priority patent/CN108141594B/zh
Priority to KR1020177037707A priority patent/KR102365164B1/ko
Priority to KR1020227040175A priority patent/KR102646890B1/ko
Priority to US15/767,307 priority patent/US10939104B2/en
Priority to KR1020227005128A priority patent/KR102469145B1/ko
Priority to CN202110171292.5A priority patent/CN112929661B/zh
Application filed by 삼성전자 주식회사 filed Critical 삼성전자 주식회사
Priority to KR1020247007844A priority patent/KR20240034898A/ko
Priority to CN202110145731.5A priority patent/CN112929659B/zh
Priority to EP16855742.9A priority patent/EP3316580A4/en
Priority to MX2018004250A priority patent/MX2018004250A/es
Publication of WO2017065525A2 publication Critical patent/WO2017065525A2/ko
Publication of WO2017065525A3 publication Critical patent/WO2017065525A3/ko
Priority to US17/167,866 priority patent/US11638006B2/en
Priority to US17/167,850 priority patent/US11553182B2/en
Priority to US18/194,817 priority patent/US12088808B2/en

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  • Physics & Mathematics (AREA)
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  • General Physics & Mathematics (AREA)
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  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)

Abstract

개시된 일 실시예에 따른 영상 복호화 방법 및 장치는 비트스트림으로부터 코어 변환, 세컨더리 변환 및 양자화를 통해 생성된 양자화 계수를 추출하고, 양자화 계수에 대해 역양자화를 수행하여 역양자화 계수를 생성하고, 역양자화 계수의 저주파수 성분에 대해 세컨더리 변환에 대응하는 세컨더리 역변환을 수행하여 세컨더리 역변환된 계수를 생성하고, 세컨더리 역변환된 계수에 대해 코어 변환에 대응하는 코어 역변환을 수행한다.
PCT/KR2016/011497 2015-10-13 2016-10-13 영상을 부호화 또는 복호화하는 방법 및 장치 WO2017065525A2 (ko)

Priority Applications (15)

Application Number Priority Date Filing Date Title
KR1020247007844A KR20240034898A (ko) 2015-10-13 2016-10-13 영상을 부호화 또는 복호화하는 방법 및 장치
CN202110146952.4A CN112929660B (zh) 2015-10-13 2016-10-13 用于对图像进行编码或解码的方法和设备
CN202110145731.5A CN112929659B (zh) 2015-10-13 2016-10-13 用于对图像进行编码或解码的方法和设备
KR1020227040175A KR102646890B1 (ko) 2015-10-13 2016-10-13 영상을 부호화 또는 복호화하는 방법 및 장치
US15/767,307 US10939104B2 (en) 2015-10-13 2016-10-13 Method and device for encoding or decoding image
KR1020227005128A KR102469145B1 (ko) 2015-10-13 2016-10-13 영상을 부호화 또는 복호화하는 방법 및 장치
CN202110171292.5A CN112929661B (zh) 2015-10-13 2016-10-13 解码方法和编码方法
EP19207504.2A EP3629581A1 (en) 2015-10-13 2016-10-13 Method and device for encoding or decoding image
CN201680059343.2A CN108141594B (zh) 2015-10-13 2016-10-13 用于对图像进行编码或解码的方法和设备
KR1020177037707A KR102365164B1 (ko) 2015-10-13 2016-10-13 영상을 부호화 또는 복호화하는 방법 및 장치
EP16855742.9A EP3316580A4 (en) 2015-10-13 2016-10-13 Method and device for encoding or decoding image
MX2018004250A MX2018004250A (es) 2015-10-13 2016-10-13 Metodo y dispositivo para codificar o decodificar imagen.
US17/167,866 US11638006B2 (en) 2015-10-13 2021-02-04 Method and device for encoding or decoding image
US17/167,850 US11553182B2 (en) 2015-10-13 2021-02-04 Method and device for encoding or decoding image
US18/194,817 US12088808B2 (en) 2015-10-13 2023-04-03 Method and device for encoding or decoding image

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201562240725P 2015-10-13 2015-10-13
US62/240,725 2015-10-13

Related Child Applications (3)

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US15/767,307 A-371-Of-International US10939104B2 (en) 2015-10-13 2016-10-13 Method and device for encoding or decoding image
US17/167,850 Continuation US11553182B2 (en) 2015-10-13 2021-02-04 Method and device for encoding or decoding image
US17/167,866 Continuation US11638006B2 (en) 2015-10-13 2021-02-04 Method and device for encoding or decoding image

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WO2017065525A2 WO2017065525A2 (ko) 2017-04-20
WO2017065525A3 true WO2017065525A3 (ko) 2017-06-15

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US (4) US10939104B2 (ko)
EP (2) EP3316580A4 (ko)
KR (4) KR20240034898A (ko)
CN (4) CN112929661B (ko)
MX (2) MX2018004250A (ko)
WO (1) WO2017065525A2 (ko)

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CN113315975B (zh) 2018-03-29 2022-12-06 华为技术有限公司 一种双向帧间预测方法及装置
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CN112673627B (zh) * 2018-08-09 2023-08-04 Lg电子株式会社 在图像编码系统中使用仿射合并候选列表的基于仿射运动预测的图像解码方法和装置
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