PL4447447T3 - Ukrywanie wielu bitów znaku w jednostce transformaty - Google Patents
Ukrywanie wielu bitów znaku w jednostce transformatyInfo
- Publication number
- PL4447447T3 PL4447447T3 PL24196569.8T PL24196569T PL4447447T3 PL 4447447 T3 PL4447447 T3 PL 4447447T3 PL 24196569 T PL24196569 T PL 24196569T PL 4447447 T3 PL4447447 T3 PL 4447447T3
- Authority
- PL
- Poland
- Prior art keywords
- transform unit
- sign bit
- multiple sign
- bit hiding
- hiding
- Prior art date
Links
Classifications
-
- 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
-
- 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
- H04N19/48—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using compressed domain processing techniques other than decoding, e.g. modification of transform coefficients, variable length coding [VLC] data or run-length data
-
- 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
- H04N19/467—Embedding additional information in the video signal during the compression process characterised by the embedded information being invisible, e.g. watermarking
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP12151973.0A EP2618572B1 (en) | 2012-01-20 | 2012-01-20 | Multiple sign bit hiding within a transform unit |
| EP24196569.8A EP4447447B1 (en) | 2012-01-20 | 2012-01-20 | Multiple sign bit hiding within a transform unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL4447447T3 true PL4447447T3 (pl) | 2026-07-20 |
Family
ID=45491487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL24196569.8T PL4447447T3 (pl) | 2012-01-20 | 2012-01-20 | Ukrywanie wielu bitów znaku w jednostce transformaty |
Country Status (12)
| Country | Link |
|---|---|
| EP (7) | EP4447447B1 (pl) |
| JP (1) | JP5537681B2 (pl) |
| KR (1) | KR101538837B1 (pl) |
| CN (2) | CN103220515B (pl) |
| AU (1) | AU2013200325B2 (pl) |
| BR (1) | BR102013001124B1 (pl) |
| CA (1) | CA2801767C (pl) |
| ES (2) | ES3069537T3 (pl) |
| MX (1) | MX2013000711A (pl) |
| PL (1) | PL4447447T3 (pl) |
| SG (1) | SG192360A1 (pl) |
| TW (1) | TWI524780B (pl) |
Families Citing this family (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2982446A1 (fr) | 2011-11-07 | 2013-05-10 | France Telecom | Procede de codage et decodage d'images, dispositif de codage et decodage et programmes d'ordinateur correspondants |
| FR2982447A1 (fr) | 2011-11-07 | 2013-05-10 | France Telecom | Procede de codage et decodage d'images, dispositif de codage et decodage et programmes d'ordinateur correspondants |
| PL4447447T3 (pl) * | 2012-01-20 | 2026-07-20 | Velos Media International Limited | Ukrywanie wielu bitów znaku w jednostce transformaty |
| WO2014190468A1 (en) | 2013-05-27 | 2014-12-04 | Microsoft Corporation | Video encoder for images |
| US9456210B2 (en) | 2013-10-11 | 2016-09-27 | Blackberry Limited | Sign coding for blocks with transform skipped |
| US9264724B2 (en) | 2013-10-11 | 2016-02-16 | Blackberry Limited | Sign coding for blocks with transform skipped |
| KR102218196B1 (ko) * | 2013-10-28 | 2021-02-23 | 삼성전자주식회사 | 인코더, 이의 동작 방법과, 상기 인코더를 포함하는 장치들 |
| WO2015139165A1 (en) | 2014-03-17 | 2015-09-24 | Microsoft Technology Licensing, Llc | Encoder-side decisions for screen content encoding |
| JP6401290B2 (ja) | 2014-04-01 | 2018-10-10 | ホアウェイ・テクノロジーズ・カンパニー・リミテッド | 多層構造化コーディングユニットのデータ隠蔽のための方法および装置 |
| US10924743B2 (en) | 2015-02-06 | 2021-02-16 | Microsoft Technology Licensing, Llc | Skipping evaluation stages during media encoding |
| CN106162201B (zh) * | 2015-03-26 | 2019-02-15 | 北京君正集成电路股份有限公司 | 一种基于符号位分组的图像数据压缩方法及装置 |
| US10038917B2 (en) | 2015-06-12 | 2018-07-31 | Microsoft Technology Licensing, Llc | Search strategies for intra-picture prediction modes |
| US10136132B2 (en) | 2015-07-21 | 2018-11-20 | Microsoft Technology Licensing, Llc | Adaptive skip or zero block detection combined with transform size decision |
| CN108605133B (zh) | 2016-02-12 | 2020-10-23 | 华为技术有限公司 | 选择扫描顺序的方法和装置 |
| EP3412027B1 (en) | 2016-02-12 | 2024-04-24 | Huawei Technologies Co., Ltd. | Method and apparatus for scan order selection |
| CN105898300B (zh) * | 2016-05-06 | 2019-03-26 | 西安电子科技大学 | 一种基于恢复变换系数的改进变换系数符号位隐藏方法 |
| WO2017194773A1 (en) * | 2016-05-13 | 2017-11-16 | Telefonaktiebolaget Lm Ericsson (Publ) | Motion vector difference coding and decoding |
| CN109417638B (zh) * | 2016-05-28 | 2022-02-08 | 世宗大学校产学协力团 | 视频信号的编码或解码方法及装置 |
| CN110731081B (zh) * | 2017-12-26 | 2022-03-15 | 富士通株式会社 | 图像编码方法、装置以及电子设备 |
| WO2019156469A1 (ko) * | 2018-02-09 | 2019-08-15 | 삼성전자 주식회사 | 비디오 복호화 방법 및 장치, 비디오 부호화 방법 및 장치 |
| WO2019172798A1 (en) * | 2018-03-07 | 2019-09-12 | Huawei Technologies Co., Ltd. | Method and apparatus for residual sign prediction in transform domain |
| CN111837389A (zh) * | 2018-03-07 | 2020-10-27 | 华为技术有限公司 | 适用于多符号位隐藏的块检测方法及装置 |
| KR102492116B1 (ko) * | 2018-03-07 | 2023-01-26 | 후아웨이 테크놀러지 컴퍼니 리미티드 | 다중 부호 비트 숨기기 및 잔차 부호 예측을 조화시키기 위한 방법 및 장치 |
| CN115967800A (zh) * | 2018-03-29 | 2023-04-14 | 弗劳恩霍夫应用研究促进协会 | 依赖性量化 |
| JP6664454B2 (ja) * | 2018-09-06 | 2020-03-13 | ホアウェイ・テクノロジーズ・カンパニー・リミテッド | 多層構造化コーディングユニットのデータ隠蔽のための方法および装置 |
| ES2985892T3 (es) | 2018-09-21 | 2024-11-07 | Guangdong Oppo Mobile Telecommunicationscorp Ltd | Método de codificación/decodificación de señales de imagen y aparato para el mismo |
| AU2020201753B2 (en) | 2020-03-10 | 2022-09-08 | Canon Kabushiki Kaisha | Method, apparatus and system for encoding and decoding a block of video samples |
| WO2023277451A1 (ko) * | 2021-07-01 | 2023-01-05 | 세종대학교 산학협력단 | 부호 비트 숨김을 이용한 비디오 부호화 및 복호화 방법 |
| CN116489370B (zh) * | 2022-01-19 | 2024-10-29 | 杭州海康威视数字技术股份有限公司 | 一种系数解码方法、装置、图像解码器及电子设备 |
| CN119487840A (zh) * | 2022-07-05 | 2025-02-18 | 联发科技股份有限公司 | 视频编解码的相依量化的方法和装置 |
| CN115334306A (zh) * | 2022-08-12 | 2022-11-11 | 有半岛(北京)信息科技有限公司 | 一种率失真优化量化方法、装置、设备及存储介质 |
| WO2024060099A1 (zh) * | 2022-09-21 | 2024-03-28 | Oppo广东移动通信有限公司 | 编解码方法、码流、编码器、解码器以及存储介质 |
| WO2025117591A1 (en) * | 2023-11-30 | 2025-06-05 | Google Llc | Parity encoding of quantized transform coefficients by interleaving |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000031878A1 (en) * | 1998-11-20 | 2000-06-02 | Interval Research Corporation | Low cost video compression using fast, modified z-coding of wavelet pyramids |
| EP1297709A1 (en) * | 2000-06-14 | 2003-04-02 | Koninklijke Philips Electronics N.V. | Color video encoding and decoding method |
| EP1636995B1 (en) * | 2003-06-25 | 2010-06-02 | Thomson Licensing | Encoding method and apparatus for insertion of watermarks in a compressed video bitstream |
| US7454076B2 (en) * | 2004-06-15 | 2008-11-18 | Cisco Technology, Inc. | Hybrid variable length coding method for low bit rate video coding |
| CN1893663A (zh) * | 2005-09-02 | 2007-01-10 | 华为技术有限公司 | 多媒体通信的传输保护方法 |
| BR122015015910B1 (pt) * | 2009-01-27 | 2022-05-10 | Interdigital Vc Holdings, Inc | Métodos e aparelhos para seleções de transformada em codificação e decodificação de vídeo |
| FR2982446A1 (fr) * | 2011-11-07 | 2013-05-10 | France Telecom | Procede de codage et decodage d'images, dispositif de codage et decodage et programmes d'ordinateur correspondants |
| PL4447447T3 (pl) * | 2012-01-20 | 2026-07-20 | Velos Media International Limited | Ukrywanie wielu bitów znaku w jednostce transformaty |
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2012
- 2012-01-20 PL PL24196569.8T patent/PL4447447T3/pl unknown
- 2012-01-20 EP EP24196569.8A patent/EP4447447B1/en active Active
- 2012-01-20 EP EP19214660.3A patent/EP3644611B1/en active Active
- 2012-01-20 EP EP16176581.3A patent/EP3094094B1/en active Active
- 2012-01-20 EP EP23194493.5A patent/EP4258663B1/en active Active
- 2012-01-20 ES ES24196569T patent/ES3069537T3/es active Active
- 2012-01-20 ES ES18159781T patent/ES2776925T3/es active Active
- 2012-01-20 EP EP18159781.6A patent/EP3399753B1/en active Active
- 2012-01-20 EP EP12151973.0A patent/EP2618572B1/en active Active
- 2012-01-20 EP EP25222678.2A patent/EP4686202A3/en active Pending
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2013
- 2013-01-04 CA CA2801767A patent/CA2801767C/en active Active
- 2013-01-09 SG SG2013001821A patent/SG192360A1/en unknown
- 2013-01-16 BR BR102013001124-0A patent/BR102013001124B1/pt active IP Right Grant
- 2013-01-16 MX MX2013000711A patent/MX2013000711A/es active IP Right Grant
- 2013-01-17 KR KR1020130005192A patent/KR101538837B1/ko active Active
- 2013-01-17 TW TW102101869A patent/TWI524780B/zh active
- 2013-01-17 AU AU2013200325A patent/AU2013200325B2/en active Active
- 2013-01-18 CN CN201310019680.7A patent/CN103220515B/zh active Active
- 2013-01-18 CN CN201610370914.6A patent/CN105959697B/zh active Active
- 2013-01-18 JP JP2013006987A patent/JP5537681B2/ja active Active