KR101885258B1 - 비디오 신호의 부호화 방법과 그 장치, 및 비디오 복호화 방법과 그 장치 - Google Patents
비디오 신호의 부호화 방법과 그 장치, 및 비디오 복호화 방법과 그 장치 Download PDFInfo
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Abstract
Description
도 2는 도 1의 변환부(130)의 구체적인 구성을 나타낸 블록도이다.
도 3은 본 발명의 제 2 실시예에 따른 부호화 장치의 구성을 나타낸 블록도이다.
도 4는 본 발명의 제 3 실시예에 따른 부호화 장치의 구성을 나타낸 블록도이다.
도 5는 본 발명의 제 4 실시예에 따른 부호화 장치의 구성을 나타낸 블록도이다.
도 6은 본 발명의 제 5 실시예에 따른 부호화 장치의 구성을 나타낸 블록도이다.
도 7은 본 발명의 일 실시예에 따른 비디오 신호의 변환 과정을 설명하기 참조도이다.
도 8은 본 발명의 다른 실시예에 따른 스케일링 동작을 설명하기 위한 참조도이다.
도 9는 본 발명의 실시예에 따른 비디오 신호의 부호화 방법을 나타낸 플로우 차트이다.
도 10은 본 발명의 일 실시예에 따른 비디오 신호의 복호화 장치를 나타낸 블록도이다.
도 11은 본 발명의 다른 실시예에 따른 비디오 신호의 복호화 장치의 구성을 나타낸 블록도이다.
도 12는 본 발명의 일 실시예에 따른 비디오 신호의 복호화 방법을 나타낸 플로우 차트이다.
도 13은 본 발명의 다른 실시예에 따른 비디오 신호의 복호화 방법을 나타낸 플로우 차트이다.
Claims (35)
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- 비디오 신호를 복호화하는 복호화 방법에 있어서,
비트스트림으로부터 비디오 신호 내 변환 블록의 변환 계수를 획득하는 단계;
상기 변환 블록의 상기 변환 계수에 대해 역양자화를 수행하여 역양자화된 변환 계수를 생성하는 단계;
상기 역양자화된 변환 계수에 역변환 및 디스케일링을 수행하여 레지듀얼 값을 생성하는 단계;
인터 예측 또는 인트라 예측을 수행하여 예측 블록을 생성하는 단계; 및
상기 예측 블록 및 상기 레지듀얼 값을 이용하여 샘플 값을 복원하는 단계를 포함하고,
상기 디스케일링은 로컬 시프트 값에 따라 비트 쉬프트를 수행하는 것이고,
상기 로컬 시프트 값은 상기 비디오 신호의 비트뎁스를 이용하여 결정되는 것을 특징으로 하는 복호화 방법.
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- 제 16항에 있어서,
상기 역변환은 이산 코사인 역변환, 이산 웨이블릿 역변환와 같은 선형 역변환인 것을 특징으로 하는 복호화 방법.
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- 비디오 신호를 복호화하는 복호화 장치에 있어서,
비트스트림으로부터 비디오 신호 내 변환 블록의 변환 계수를 획득하는 파싱부;
상기 변환 블록의 상기 변환 계수에 대해 역양자화를 수행하여 역양자화된 변환 계수를 생성하는 역양자화부;
상기 역양자화된 변환 계수에 역변환 및 디스케일링을 수행하여 레지듀얼 값을 생성하는 역변환부 및 디스케일링부;
인터 예측 또는 인트라 예측을 수행하여 예측 블록을 생성하는 예측부; 및
상기 예측 블록 및 상기 레지듀얼 값을 이용하여 샘플 값을 복원하는 영상 복원부를 포함하고,
상기 디스케일링은 로컬 시프트 값에 따라 비트 쉬프트를 수행하는 것이고,
상기 로컬 시프트 값은 상기 비디오 신호의 비트뎁스를 이용하여 결정되는 것을 특징으로 하는 복호화 장치. - 삭제
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CN201180034696.4A CN103026705B (zh) | 2010-05-14 | 2011-05-16 | 用于对视频信号进行编码的方法和设备以及用于对视频信号进行解码的方法和设备 |
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CN201610374154.6A CN105939477B (zh) | 2010-05-14 | 2011-05-16 | 用于对视频信号进行解码的方法和设备 |
CN201610373549.4A CN105847818B (zh) | 2010-05-14 | 2011-05-16 | 用于对视频信号进行解码的方法和设备 |
MYPI2015000990A MY173539A (en) | 2010-05-14 | 2011-05-16 | Method and apparatus for encoding video signal and method and apparatus for decoding video signal |
MYPI2015000991A MY173534A (en) | 2010-05-14 | 2011-05-16 | Method and apparatus for encoding video signal and method and apparatus for decoding video signal |
CN201610374444.0A CN105939478B (zh) | 2010-05-14 | 2011-05-16 | 用于对视频信号进行解码的方法和设备 |
EP16190304.2A EP3133814A1 (en) | 2010-05-14 | 2011-05-16 | Method for decoding video signal |
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EP11780862.6A EP2569947A4 (en) | 2010-05-14 | 2011-05-16 | METHOD AND DEVICE FOR CODING VIDEO SIGNALS AND METHOD AND DEVICE FOR DECODING VIDEO SIGNALS |
US15/352,203 US10116949B2 (en) | 2010-05-14 | 2016-11-15 | Method and apparatus for encoding video signal and method and apparatus for decoding video signal |
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KR101885258B1 (ko) | 2010-05-14 | 2018-08-06 | 삼성전자주식회사 | 비디오 신호의 부호화 방법과 그 장치, 및 비디오 복호화 방법과 그 장치 |
KR101836981B1 (ko) * | 2010-07-09 | 2018-03-09 | 한국전자통신연구원 | 템플릿 매칭을 이용한 영상 부호화 방법 및 장치, 그리고 복호화 방법 및 장치 |
DK4099700T3 (da) * | 2011-01-07 | 2025-01-20 | Nokia Technologies Oy | Bevægelsesforudsigelse i videokodning |
KR20120140181A (ko) | 2011-06-20 | 2012-12-28 | 한국전자통신연구원 | 화면내 예측 블록 경계 필터링을 이용한 부호화/복호화 방법 및 그 장치 |
GB2492333B (en) * | 2011-06-27 | 2018-12-12 | British Broadcasting Corp | Video encoding and decoding using transforms |
EP2805492B1 (en) * | 2012-01-19 | 2018-11-14 | VID SCALE, Inc. | System and method of video coding quantization and dynamic range control |
AU2013352851B2 (en) * | 2012-11-27 | 2016-11-17 | Lg Electronics Inc. | Signal transceiving apparatus and signal transceiving method |
GB2513111A (en) * | 2013-04-08 | 2014-10-22 | Sony Corp | Data encoding and decoding |
US9877025B2 (en) * | 2013-07-12 | 2018-01-23 | British Broadcasting Corporation | Video encoding and decoding with prediction at higher precision |
GB2521349A (en) * | 2013-12-05 | 2015-06-24 | Sony Corp | Data encoding and decoding |
US20150302553A1 (en) * | 2014-03-17 | 2015-10-22 | Thomson Licensing | Method and apparatus for determining source resolution of scaled images |
EP2958329B1 (en) | 2014-06-16 | 2018-12-05 | Thomson Licensing | Method for encoding and decoding an image block based on dynamic range extension, encoder and decoder |
JP6529374B2 (ja) * | 2014-10-07 | 2019-06-12 | キヤノン株式会社 | 符号化装置及びその制御方法 |
EP3007448A1 (en) | 2014-10-07 | 2016-04-13 | Canon Kabushiki Kaisha | Disparity data encoding apparatus and method of controlling the same for |
WO2016172394A1 (en) * | 2015-04-21 | 2016-10-27 | Arris Enterprises Llc | Adaptive perceptual mapping and signaling for video coding |
WO2018174591A1 (ko) | 2017-03-22 | 2018-09-27 | 김기백 | 영상을 구성하는 화소값 범위를 이용한 영상 부호화/복호화 방법 |
CN111373757B (zh) | 2017-11-24 | 2022-10-21 | 索尼公司 | 图像处理设备和方法 |
KR102494880B1 (ko) * | 2018-02-14 | 2023-02-06 | 소니그룹주식회사 | 화상 처리 장치 및 방법 |
KR20200043169A (ko) | 2018-10-17 | 2020-04-27 | 삼성전자주식회사 | 뉴럴 네트워크의 파라미터를 양자화하는 방법 및 장치 |
JP7267785B2 (ja) * | 2019-03-11 | 2023-05-02 | キヤノン株式会社 | 画像復号装置、画像復号方法、及びプログラム |
JP2020150338A (ja) | 2019-03-11 | 2020-09-17 | キヤノン株式会社 | 画像復号装置、画像復号方法、及びプログラム |
CN114365490B (zh) | 2019-09-09 | 2024-06-18 | 北京字节跳动网络技术有限公司 | 高精度图像和视频编解码的系数缩放 |
KR102661314B1 (ko) * | 2019-09-21 | 2024-04-30 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 이미지 및 비디오 코딩을 위한 고정밀 변환 및 양자화 |
US11838551B2 (en) * | 2020-12-30 | 2023-12-05 | Ofinno, Llc | Adaptive block level bit-depth prediction |
Family Cites Families (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3481911D1 (de) | 1984-11-13 | 1990-05-17 | Mobil Oil Corp | Mannich-basen als oelzusaetze. |
JP3166291B2 (ja) * | 1992-04-03 | 2001-05-14 | ソニー株式会社 | 量子化コントロール回路 |
US5793658A (en) * | 1996-01-17 | 1998-08-11 | Digital Equipment Coporation | Method and apparatus for viedo compression and decompression using high speed discrete cosine transform |
EP1862940A1 (en) * | 1998-03-20 | 2007-12-05 | Mitsubishi Electric Corporation | Image compression |
US6801665B1 (en) | 1998-09-15 | 2004-10-05 | University Of Maryland | Method and apparatus for compressing and decompressing images |
CN100481946C (zh) * | 1998-03-20 | 2009-04-22 | 三菱电机株式会社 | 编码和解码及压缩图像的方法和装置 |
US6560285B1 (en) * | 1998-03-30 | 2003-05-06 | Sarnoff Corporation | Region-based information compaction as for digital images |
US6377706B1 (en) * | 1998-05-12 | 2002-04-23 | Xerox Corporation | Compression framework incorporating decoding commands |
US6731686B1 (en) * | 2000-05-31 | 2004-05-04 | Sun Microsystems, Inc. | Apparatus and method for pipelining variable length decode and inverse quantization operations in a hybrid motion-compensated and transform coded video decoder |
US6882685B2 (en) * | 2001-09-18 | 2005-04-19 | Microsoft Corporation | Block transform and quantization for image and video coding |
US7106909B2 (en) * | 2001-12-25 | 2006-09-12 | Canon Kabushiki Kaisha | Method and apparatus for encoding image data in accordance with a target data size |
JP4015934B2 (ja) * | 2002-04-18 | 2007-11-28 | 株式会社東芝 | 動画像符号化方法及び装置 |
US7277486B2 (en) * | 2002-05-03 | 2007-10-02 | Microsoft Corporation | Parameterization for fading compensation |
US7760950B2 (en) * | 2002-09-26 | 2010-07-20 | Ntt Docomo, Inc. | Low complexity and unified transforms for video coding |
KR20050022160A (ko) * | 2003-08-26 | 2005-03-07 | 삼성전자주식회사 | 스케일러블 비디오 코딩 및 디코딩 방법, 및 스케일러블비디오 엔코더 및 디코더 |
CN1843040A (zh) * | 2003-08-26 | 2006-10-04 | 三星电子株式会社 | 可扩缩视频编码和解码方法及可扩缩视频编码器和解码器 |
US7599438B2 (en) * | 2003-09-07 | 2009-10-06 | Microsoft Corporation | Motion vector block pattern coding and decoding |
US7457362B2 (en) * | 2003-10-24 | 2008-11-25 | Texas Instruments Incorporated | Loop deblock filtering of block coded video in a very long instruction word processor |
US7693339B2 (en) * | 2003-12-17 | 2010-04-06 | Andreas Wittenstein | Method and apparatus for faster-than-real-time lossless compression and decompression of images |
DE602004014901D1 (de) | 2004-04-29 | 2008-08-21 | Mitsubishi Electric Corp | Adaptive Quantisierung einer Tiefenkarte |
JP2005354307A (ja) * | 2004-06-09 | 2005-12-22 | Toshiba Corp | 逆量子化器及びこれを用いた画像復号化装置 |
US7474316B2 (en) * | 2004-08-17 | 2009-01-06 | Sharp Laboratories Of America, Inc. | Bit-depth extension of digital displays via the use of models of the impulse response of the visual system |
US7778327B2 (en) * | 2005-02-08 | 2010-08-17 | Texas Instruments Incorporated | H.264 quantization |
US7949044B2 (en) * | 2005-04-12 | 2011-05-24 | Lsi Corporation | Method for coefficient bitdepth limitation, encoder and bitstream generation apparatus |
US7693709B2 (en) * | 2005-07-15 | 2010-04-06 | Microsoft Corporation | Reordering coefficients for waveform coding or decoding |
US7599840B2 (en) * | 2005-07-15 | 2009-10-06 | Microsoft Corporation | Selectively using multiple entropy models in adaptive coding and decoding |
US7916961B2 (en) * | 2005-09-06 | 2011-03-29 | Megachips Corporation | Compression encoder, compression encoding method and program |
US7706288B2 (en) * | 2005-09-27 | 2010-04-27 | Qualcomm Incorporated | RF channel switching in broadcast OFDM systems |
KR100967731B1 (ko) | 2005-09-27 | 2010-07-05 | 콸콤 인코포레이티드 | 채널 스위치 프레임 |
US9554319B2 (en) | 2005-09-27 | 2017-01-24 | Qualcomm Incorporated | Channel handoff methods in wireless broadcast systems |
US8548265B2 (en) * | 2006-01-05 | 2013-10-01 | Fastvdo, Llc | Fast multiplierless integer invertible transforms |
US20080240257A1 (en) * | 2007-03-26 | 2008-10-02 | Microsoft Corporation | Using quantization bias that accounts for relations between transform bins and quantization bins |
WO2008143746A2 (en) * | 2007-05-16 | 2008-11-27 | Thomson Licensing | Methods and apparatus for the use of slice groups in encoding multi-view video coding (mvc) information |
US7983496B2 (en) * | 2007-06-26 | 2011-07-19 | Mitsubishi Electric Research Laboratories, Inc. | Inverse tone mapping for bit-depth scalable image coding adapted to variable block sizes |
US8085852B2 (en) * | 2007-06-26 | 2011-12-27 | Mitsubishi Electric Research Laboratories, Inc. | Inverse tone mapping for bit-depth scalable image coding |
DE102007041143B4 (de) | 2007-08-30 | 2010-04-08 | Siemens Enterprise Communications Gmbh & Co. Kg | Verfahren zum Analysieren von gleichzeitig übertragenen, verschlüsselten Datenströmen in IP-Netzwerken |
US8064517B1 (en) * | 2007-09-07 | 2011-11-22 | Zenverge, Inc. | Perceptually adaptive quantization parameter selection |
US8204333B2 (en) * | 2007-10-15 | 2012-06-19 | Intel Corporation | Converting video and image signal bit depths |
US8213502B2 (en) * | 2007-12-31 | 2012-07-03 | Ceva D.S.P. Ltd. | Method and system for real-time adaptive quantization control |
EP2476255B1 (en) * | 2009-09-10 | 2018-06-13 | Dolby Laboratories Licensing Corporation | Speedup techniques for rate distortion optimized quantization |
KR101885258B1 (ko) | 2010-05-14 | 2018-08-06 | 삼성전자주식회사 | 비디오 신호의 부호화 방법과 그 장치, 및 비디오 복호화 방법과 그 장치 |
-
2011
- 2011-01-21 KR KR1020110006485A patent/KR101885258B1/ko active Active
- 2011-05-16 MY MYPI2015000991A patent/MY173534A/en unknown
- 2011-05-16 CN CN201610374444.0A patent/CN105939478B/zh active Active
- 2011-05-16 MY MYPI2012004942A patent/MY173540A/en unknown
- 2011-05-16 MY MYPI2015000990A patent/MY173539A/en unknown
- 2011-05-16 EP EP16190304.2A patent/EP3133814A1/en not_active Ceased
- 2011-05-16 CN CN201610373549.4A patent/CN105847818B/zh active Active
- 2011-05-16 MY MYPI2014002343A patent/MY171636A/en unknown
- 2011-05-16 CN CN201610374154.6A patent/CN105939477B/zh active Active
- 2011-05-16 US US13/108,188 patent/US9525889B2/en active Active
- 2011-05-16 WO PCT/KR2011/003607 patent/WO2011142645A2/en active Application Filing
- 2011-05-16 CN CN201180034696.4A patent/CN103026705B/zh active Active
- 2011-05-16 EP EP11780862.6A patent/EP2569947A4/en not_active Withdrawn
- 2011-05-16 CN CN201610374808.5A patent/CN106028040B/zh active Active
- 2011-05-16 MY MYPI2015000992A patent/MY173533A/en unknown
-
2016
- 2016-11-15 US US15/352,312 patent/US10075721B2/en active Active
- 2016-11-15 US US15/352,173 patent/US10027967B2/en active Active
- 2016-11-15 US US15/352,252 patent/US10091516B2/en active Active
- 2016-11-15 US US15/352,203 patent/US10116949B2/en active Active
-
2018
- 2018-07-30 KR KR1020180088861A patent/KR102003048B1/ko active Active
-
2019
- 2019-07-12 KR KR1020190084680A patent/KR102053317B1/ko active Active
Non-Patent Citations (1)
Title |
---|
K. Chono, et al. Description of video coding technology proposal by NEC Corporation. JCT-VC of ITU-T and ISO/IEC. JCTVC-A104. Apr. 2010. pp.1-57* |
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