MX2018004250A - Metodo y dispositivo para codificar o decodificar imagen. - Google Patents
Metodo y dispositivo para codificar o decodificar imagen.Info
- Publication number
- MX2018004250A MX2018004250A MX2018004250A MX2018004250A MX2018004250A MX 2018004250 A MX2018004250 A MX 2018004250A MX 2018004250 A MX2018004250 A MX 2018004250A MX 2018004250 A MX2018004250 A MX 2018004250A MX 2018004250 A MX2018004250 A MX 2018004250A
- Authority
- MX
- Mexico
- Prior art keywords
- inverse
- transformation
- coefficient
- quantization
- conduct
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- 238000013139 quantization Methods 0.000 abstract 12
- 230000009466 transformation Effects 0.000 abstract 12
- 238000005259 measurement Methods 0.000 abstract 1
- 238000003672 processing method Methods 0.000 abstract 1
Classifications
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/124—Quantisation
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- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
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- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
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- H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
- H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
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Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
Abstract
Un método y aparato de decodificación de imagen de conformidad con una modalidad puede extraer, de un flujo de bits, un coeficiente DE cuantificación generado A través de transformación de núcleo, transformación secundaria, y cuantificación; generar un coeficiente de cuantificación inversa al realizar cuantificación inversa en el coeficiente de cuantificación; generar un coeficiente de transformación inversa al realizar transformación inversa secundaria en un componente de baja frecuencia del coeficiente de cuantificación inversa, la transformación inversa secundaria corresponde a la transformación secundaria; y realizar transformación inversa de núcleo en el coeficiente de transformación inversa secundaria, la transformación inversa de núcleo corresponde a la transformación de núcleo.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US201562240725P | 2015-10-13 | 2015-10-13 | |
PCT/KR2016/011497 WO2017065525A2 (ko) | 2015-10-13 | 2016-10-13 | 영상을 부호화 또는 복호화하는 방법 및 장치 |
Publications (1)
Publication Number | Publication Date |
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MX2018004250A true MX2018004250A (es) | 2018-05-16 |
Family
ID=58517559
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2018004250A MX2018004250A (es) | 2015-10-13 | 2016-10-13 | Metodo y dispositivo para codificar o decodificar imagen. |
MX2021013693A MX2021013693A (es) | 2015-10-13 | 2018-04-06 | Metodo y dispositivo para codificar o decodificar imagen. |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2021013693A MX2021013693A (es) | 2015-10-13 | 2018-04-06 | Metodo y dispositivo para codificar o decodificar imagen. |
Country Status (6)
Country | Link |
---|---|
US (4) | US10939104B2 (es) |
EP (2) | EP3629581A1 (es) |
KR (4) | KR20240034898A (es) |
CN (4) | CN108141594B (es) |
MX (2) | MX2018004250A (es) |
WO (1) | WO2017065525A2 (es) |
Families Citing this family (41)
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EP3629581A1 (en) * | 2015-10-13 | 2020-04-01 | Samsung Electronics Co., Ltd. | Method and device for encoding or decoding image |
US10390021B2 (en) * | 2016-03-18 | 2019-08-20 | Mediatek Inc. | Method and apparatus of video coding |
US10560712B2 (en) | 2016-05-16 | 2020-02-11 | Qualcomm Incorporated | Affine motion prediction for video coding |
US10448010B2 (en) | 2016-10-05 | 2019-10-15 | Qualcomm Incorporated | Motion vector prediction for affine motion models in video coding |
US10750203B2 (en) * | 2016-12-22 | 2020-08-18 | Mediatek Inc. | Method and apparatus of adaptive bi-prediction for video coding |
WO2018174617A1 (ko) * | 2017-03-22 | 2018-09-27 | 한국전자통신연구원 | 블록 형태에 기반한 예측 방법 및 장치 |
US10855997B2 (en) * | 2017-04-14 | 2020-12-01 | Mediatek Inc. | Secondary transform kernel size selection |
US11877001B2 (en) | 2017-10-10 | 2024-01-16 | Qualcomm Incorporated | Affine prediction in video coding |
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CN112040244B (zh) * | 2018-03-29 | 2021-06-29 | 华为技术有限公司 | 一种双向帧间预测方法及装置 |
CN112385211A (zh) | 2018-05-09 | 2021-02-19 | 交互数字Vc控股公司 | 用于视频编码和解码的运动补偿 |
CN109035164B (zh) * | 2018-07-13 | 2022-03-04 | 北京控制工程研究所 | 一种快速鲁棒图像杂光抑制的方法及*** |
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CN117676165A (zh) * | 2018-09-10 | 2024-03-08 | 华为技术有限公司 | 视频解码方法及视频解码器 |
WO2020080901A1 (ko) * | 2018-10-18 | 2020-04-23 | 삼성전자 주식회사 | 엔트로피 부호화/복호화 방법 및 장치 |
CN109769104B (zh) * | 2018-10-26 | 2021-02-05 | 江苏四友信息技术有限公司 | 无人机全景图像传输方法及装置 |
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KR20210029819A (ko) | 2018-11-16 | 2021-03-16 | 삼성전자주식회사 | 양방향 예측을 이용한 영상의 부호화 및 복호화 방법, 및 영상의 부호화 및 복호화 장치 |
KR20210095138A (ko) * | 2018-12-19 | 2021-07-30 | 엘지전자 주식회사 | 이차 변환에 기반한 영상 코딩 방법 및 그 장치 |
WO2020141935A1 (ko) * | 2019-01-03 | 2020-07-09 | 엘지전자 주식회사 | 인터 예측을 기반으로 비디오 신호를 처리하기 위한 방법 및 장치 |
CN113302942B (zh) * | 2019-02-01 | 2024-02-13 | Lg电子株式会社 | 基于二次变换的图像编码方法及其设备 |
JP7293369B2 (ja) | 2019-02-14 | 2023-06-19 | エルジー エレクトロニクス インコーポレイティド | Dmvr基盤のインター予測方法及び装置 |
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KR102243503B1 (ko) * | 2019-04-05 | 2021-04-22 | 수니코리아 엘엘씨(한국뉴욕주립대학교) | 고효율 머신러닝을 통한 저사양 장치에서의 빠른 영상 인식 방법 및 그 방법을 수행하는 장치 |
JP7256293B2 (ja) * | 2019-04-23 | 2023-04-11 | 北京字節跳動網絡技術有限公司 | 符号化映像における二次変換の使用 |
CN118200586A (zh) * | 2019-06-11 | 2024-06-14 | 北京三星通信技术研究有限公司 | 模型更新方法、装置、电子设备及计算机可读存储介质 |
WO2020251325A1 (ko) * | 2019-06-14 | 2020-12-17 | 현대자동차주식회사 | 인터 예측을 이용하여 비디오를 부호화 및 복호화하는 방법 및 장치 |
KR20200143296A (ko) | 2019-06-14 | 2020-12-23 | 현대자동차주식회사 | 인터 예측을 이용하여 비디오를 부호화 및 복호화하는 방법 및 장치 |
EP4013055A4 (en) * | 2019-09-06 | 2022-09-07 | Sony Group Corporation | IMAGE PROCESSING DEVICE AND METHOD |
CN114556790A (zh) * | 2019-11-08 | 2022-05-27 | 谷歌有限责任公司 | 用于熵代码化的概率估计 |
CN112804534B (zh) * | 2019-11-14 | 2022-03-01 | 杭州海康威视数字技术股份有限公司 | 一种编解码方法、装置及其设备 |
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CN112929659A (zh) | 2021-06-08 |
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