BR112019001415A2 - métodos e aparelhos de derivação de parâmetro de quantização de referência em sistema de processamento de vídeo - Google Patents
métodos e aparelhos de derivação de parâmetro de quantização de referência em sistema de processamento de vídeoInfo
- Publication number
- BR112019001415A2 BR112019001415A2 BR112019001415-2A BR112019001415A BR112019001415A2 BR 112019001415 A2 BR112019001415 A2 BR 112019001415A2 BR 112019001415 A BR112019001415 A BR 112019001415A BR 112019001415 A2 BR112019001415 A2 BR 112019001415A2
- Authority
- BR
- Brazil
- Prior art keywords
- current
- quantization parameter
- processing system
- video processing
- reference quantization
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 4
- 238000013139 quantization Methods 0.000 title abstract 4
- 238000009795 derivation Methods 0.000 title 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 238000003672 processing method Methods 0.000 abstract 1
Classifications
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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
- H04N19/10—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
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/174—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a slice, e.g. a line of blocks or a group of blocks
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
- H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
-
- 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
- H04N19/46—Embedding additional information in the video signal during the compression process
- H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
-
- 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
- H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
-
- 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
- H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
- H04N19/96—Tree coding, e.g. quad-tree coding
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Image Processing (AREA)
Abstract
trata-se de métodos e aparelhos de processamento para dados de vídeo que compreendem receber dados de entrada associados a um bloco de conversão em código atual (cb) em uma fatia atual, derivar uma localização superior esquerda de um grupo de quantização atual que contém o cb atual com o uso de um processo recursivo ou um processo de rastreamento e determinar um parâmetro de quantização de referência (qp), de acordo com a localização superior esquerda do grupo de quantização atual. o cb atual é codificado ou decodificado de acordo com o qp de referência. o qp de referência pode ser adicionalmente derivado com base em um qp anterior determinado por um método de rastreamento.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNPCT/CN2016/092011 | 2016-07-28 | ||
PCT/CN2016/092011 WO2018018486A1 (en) | 2016-07-28 | 2016-07-28 | Methods of reference quantization parameter derivation for signaling of quantization parameter in quad-tree plus binary tree structure |
PCT/CN2017/094431 WO2018019248A1 (en) | 2016-07-28 | 2017-07-26 | Methods and apparatuses of reference quantization parameter derivation in video processing system |
Publications (2)
Publication Number | Publication Date |
---|---|
BR112019001415A2 true BR112019001415A2 (pt) | 2019-05-07 |
BR112019001415A8 BR112019001415A8 (pt) | 2023-02-07 |
Family
ID=61015438
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112019001415A BR112019001415A8 (pt) | 2016-07-28 | 2017-07-26 | Métodos e aparelhos de derivação de parâmetro de quantização de referência em sistema de processamento de vídeo |
Country Status (6)
Country | Link |
---|---|
US (1) | US10681351B2 (pt) |
EP (1) | EP3476126B1 (pt) |
CN (1) | CN109479139B (pt) |
BR (1) | BR112019001415A8 (pt) |
TW (1) | TWI645711B (pt) |
WO (2) | WO2018018486A1 (pt) |
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US10666943B2 (en) * | 2017-09-15 | 2020-05-26 | Futurewei Technologies, Inc. | Block partition structure in video compression |
WO2019131807A1 (en) * | 2017-12-29 | 2019-07-04 | Sharp Kabushiki Kaisha | Systems and methods for partitioning video blocks for video coding |
KR102450974B1 (ko) * | 2018-01-02 | 2022-10-06 | 삼성전자주식회사 | 부호화 방법 및 그 장치, 복호화 방법 및 그 장치 |
CN108322745B (zh) * | 2018-02-28 | 2019-12-03 | 中南大学 | 一种基于不可分二次变换模式的帧内快速选择方法 |
WO2019234613A1 (en) * | 2018-06-05 | 2019-12-12 | Beijing Bytedance Network Technology Co., Ltd. | Partition tree with partition into 3 sub-blocks by horizontal and vertical splits |
EP3811612A1 (en) | 2018-06-21 | 2021-04-28 | Telefonaktiebolaget LM Ericsson (publ) | Tile partitions with sub-tiles in video coding |
WO2019243534A1 (en) | 2018-06-21 | 2019-12-26 | Telefonaktiebolaget Lm Ericsson (Publ) | Tile shuffling for 360 degree video decoding |
WO2020004912A1 (ko) * | 2018-06-25 | 2020-01-02 | 한국전자통신연구원 | 양자화 파라미터를 이용한 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체 |
TWI720584B (zh) * | 2018-08-16 | 2021-03-01 | 聯發科技股份有限公司 | 視訊處理系統中色度量化參數導出的方法以及裝置 |
CN112040229B (zh) | 2018-09-05 | 2021-06-29 | 华为技术有限公司 | 视频解码方法、视频解码器及计算机可读存储介质 |
US11303904B2 (en) * | 2018-09-28 | 2022-04-12 | Qualcomm Incorporated | Rectangular block transform scaling |
EP3707904A1 (en) * | 2018-10-02 | 2020-09-16 | Telefonaktiebolaget Lm Ericsson (Publ) | Encoding and decoding pictures based on tile group id |
WO2020096755A1 (en) * | 2018-11-08 | 2020-05-14 | Interdigital Vc Holdings, Inc. | Quantization for video encoding or decoding based on the surface of a block |
JP7448549B2 (ja) * | 2019-01-16 | 2024-03-12 | シャープ株式会社 | ビデオ符号化におけるビデオブロックのための量子化パラメータを導出するシステム及び方法 |
CN113841403A (zh) * | 2019-05-15 | 2021-12-24 | 现代自动车株式会社 | 影像解码装置中使用的逆量化装置和方法 |
CN112004083B (zh) * | 2019-05-27 | 2022-04-01 | 北京君正集成电路股份有限公司 | 一种利用帧间预测特性优化码率控制方法及系统 |
EP3989547A4 (en) * | 2019-06-21 | 2023-04-19 | Samsung Electronics Co., Ltd. | VIDEO ENCODING METHOD AND DEVICE, AND VIDEO DECODER METHOD AND DEVICE |
WO2021051044A1 (en) | 2019-09-14 | 2021-03-18 | Bytedance Inc. | Quantization parameter offset for chroma deblocking filtering |
CN114450959A (zh) * | 2019-09-28 | 2022-05-06 | 北京字节跳动网络技术有限公司 | 视频编解码中的几何分割模式 |
CN114651442A (zh) | 2019-10-09 | 2022-06-21 | 字节跳动有限公司 | 视频编解码中的跨分量适应性回路滤波 |
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CN114788279A (zh) | 2019-12-09 | 2022-07-22 | 字节跳动有限公司 | 视频编解码中使用的量化组 |
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CN116527927A (zh) * | 2021-11-11 | 2023-08-01 | 杭州海康威视数字技术股份有限公司 | 一种图像的解码方法、编码方法及装置 |
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KR101965388B1 (ko) * | 2011-11-04 | 2019-04-04 | 주식회사 골드피크이노베이션즈 | 양자화 계수 부/복호화 방법 및 이러한 방법을 사용하는 장치 |
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2016
- 2016-07-28 WO PCT/CN2016/092011 patent/WO2018018486A1/en active Application Filing
-
2017
- 2017-07-26 BR BR112019001415A patent/BR112019001415A8/pt active Search and Examination
- 2017-07-26 EP EP17833551.9A patent/EP3476126B1/en active Active
- 2017-07-26 CN CN201780042173.1A patent/CN109479139B/zh active Active
- 2017-07-26 WO PCT/CN2017/094431 patent/WO2018019248A1/en unknown
- 2017-07-26 US US16/319,917 patent/US10681351B2/en active Active
- 2017-07-27 TW TW106125262A patent/TWI645711B/zh active
Also Published As
Publication number | Publication date |
---|---|
CN109479139B (zh) | 2022-03-18 |
US10681351B2 (en) | 2020-06-09 |
CN109479139A (zh) | 2019-03-15 |
WO2018019248A1 (en) | 2018-02-01 |
EP3476126A4 (en) | 2020-02-26 |
EP3476126B1 (en) | 2024-05-22 |
EP3476126A1 (en) | 2019-05-01 |
TW201811034A (zh) | 2018-03-16 |
TWI645711B (zh) | 2018-12-21 |
WO2018018486A1 (en) | 2018-02-01 |
BR112019001415A8 (pt) | 2023-02-07 |
US20190273923A1 (en) | 2019-09-05 |
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