HK1198404A1 - 確定在視頻譯碼中用於譯碼變換系數數據的上下文 - Google Patents
確定在視頻譯碼中用於譯碼變換系數數據的上下文Info
- Publication number
- HK1198404A1 HK1198404A1 HK14111883A HK14111883A HK1198404A1 HK 1198404 A1 HK1198404 A1 HK 1198404A1 HK 14111883 A HK14111883 A HK 14111883A HK 14111883 A HK14111883 A HK 14111883A HK 1198404 A1 HK1198404 A1 HK 1198404A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- coding
- transform coefficient
- coefficient data
- determining contexts
- video coding
- 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
- 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
- H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
-
- 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
- H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding 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
- H04N19/102—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
- H04N19/12—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
-
- 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
-
- 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
- H04N19/18—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 a set of transform coefficients
-
- 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
- H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
- H03M7/4006—Conversion to or from arithmetic code
- H03M7/4012—Binary arithmetic codes
- H03M7/4018—Context adapative binary arithmetic codes [CABAC]
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201261586668P | 2012-01-13 | 2012-01-13 | |
| US201261588595P | 2012-01-19 | 2012-01-19 | |
| US201261597097P | 2012-02-09 | 2012-02-09 | |
| US13/738,534 US20130182772A1 (en) | 2012-01-13 | 2013-01-10 | Determining contexts for coding transform coefficient data in video coding |
| PCT/US2013/021234 WO2013106710A2 (en) | 2012-01-13 | 2013-01-11 | Determining contexts for coding transform coefficient data in video coding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HK1198404A1 true HK1198404A1 (zh) | 2015-04-17 |
Family
ID=48779949
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HK14111885A HK1198405A1 (zh) | 2012-01-13 | 2014-11-24 | 確定在視頻譯碼中用於譯碼變換系數數據的上下文 |
| HK14111883A HK1198404A1 (zh) | 2012-01-13 | 2014-11-24 | 確定在視頻譯碼中用於譯碼變換系數數據的上下文 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HK14111885A HK1198405A1 (zh) | 2012-01-13 | 2014-11-24 | 確定在視頻譯碼中用於譯碼變換系數數據的上下文 |
Country Status (18)
| Country | Link |
|---|---|
| US (3) | US20130182772A1 (zh) |
| EP (3) | EP2803194B1 (zh) |
| JP (3) | JP6046164B2 (zh) |
| KR (3) | KR101721302B1 (zh) |
| CN (3) | CN104054340A (zh) |
| AU (3) | AU2013207823B2 (zh) |
| BR (3) | BR112014017118B1 (zh) |
| CA (3) | CA2863043A1 (zh) |
| HK (2) | HK1198405A1 (zh) |
| IL (3) | IL233162A (zh) |
| MY (2) | MY166883A (zh) |
| PH (3) | PH12014501467A1 (zh) |
| RU (3) | RU2603537C2 (zh) |
| SG (4) | SG11201403342YA (zh) |
| TW (3) | TWI559736B (zh) |
| UA (1) | UA114418C2 (zh) |
| WO (3) | WO2013106729A2 (zh) |
| ZA (1) | ZA201405688B (zh) |
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| US9497472B2 (en) | 2010-11-16 | 2016-11-15 | Qualcomm Incorporated | Parallel context calculation in video coding |
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| BR112014011155B1 (pt) | 2011-11-08 | 2023-04-04 | Google Technology Holdings LLC | Método de determinação de uma palavra de código binária para um símbolo, codificador de vídeo e meio que pode ser lido em computador |
| WO2013109997A1 (en) | 2012-01-21 | 2013-07-25 | General Instrument Corporation | Method of determining binary codewords for transform coefficients |
| US9866829B2 (en) * | 2012-01-22 | 2018-01-09 | Qualcomm Incorporated | Coding of syntax elements that correspond to coefficients of a coefficient block in video coding |
| US9479780B2 (en) * | 2012-02-01 | 2016-10-25 | Google Technology Holdings LLC | Simplification of significance map coding |
| EP2810440A1 (en) | 2012-02-04 | 2014-12-10 | General Instrument Corporation | Devices and methods for context reduction in last significant coefficient position coding |
| CA2807908A1 (en) * | 2012-06-30 | 2013-12-30 | Research In Motion Limited | Position-based context selection for greater-than-one flag decoding and encoding |
| CA2807919C (en) * | 2012-08-31 | 2016-06-14 | Research In Motion Limited | Methods and devices for entropy coding in scalable video compression |
| US9215464B2 (en) * | 2013-09-19 | 2015-12-15 | Blackberry Limited | Coding position data for the last non-zero transform coefficient in a coefficient group |
| US9813737B2 (en) | 2013-09-19 | 2017-11-07 | Blackberry Limited | Transposing a block of transform coefficients, based upon an intra-prediction mode |
| KR102250088B1 (ko) * | 2013-10-24 | 2021-05-10 | 삼성전자주식회사 | 비디오 스트림을 복호화하는 방법 및 장치 |
| GB2524726B (en) * | 2014-03-25 | 2018-05-23 | Canon Kk | Image data encapsulation with tile support |
| EP3211894B1 (en) | 2014-10-21 | 2020-03-04 | LG Electronics Inc. | Method and apparatus for performing graph-based prediction by using optimization function |
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| US10306229B2 (en) * | 2015-01-26 | 2019-05-28 | Qualcomm Incorporated | Enhanced multiple transforms for prediction residual |
| US10805644B2 (en) | 2015-09-08 | 2020-10-13 | Samsung Electronics Co., Ltd. | Device and method for entropy encoding and decoding |
| KR20170031643A (ko) * | 2015-09-11 | 2017-03-21 | 주식회사 케이티 | 비디오 신호 처리 방법 및 장치 |
| US10440399B2 (en) * | 2015-11-13 | 2019-10-08 | Qualcomm Incorporated | Coding sign information of video data |
| US10542267B2 (en) | 2016-01-21 | 2020-01-21 | Samsung Display Co., Ltd. | Classification preserving image transform compression |
| WO2017135661A1 (ko) * | 2016-02-01 | 2017-08-10 | 엘지전자 주식회사 | 그래프 기반 분리 가능한 변환 (graph-based separable transform)을 이용하여 비디오 신호를 인코딩 / 디코딩하는 방법 및 장치 |
| CN116916013A (zh) | 2016-04-29 | 2023-10-20 | 世宗大学校产学协力团 | 视频信号编码/解码方法和设备 |
| US10805607B2 (en) | 2016-04-29 | 2020-10-13 | Industry Academy Cooperation Foundation Of Sejong University | Video signal encoding/decoding method and apparatus |
| CN113810707A (zh) | 2016-04-29 | 2021-12-17 | 世宗大学校产学协力团 | 用于对图像信号进行编码和解码的方法和装置 |
| EP3270594A1 (en) * | 2016-07-15 | 2018-01-17 | Thomson Licensing | Method and apparatus for advanced cabac context adaptation for last coefficient coding |
| WO2018044087A1 (ko) * | 2016-08-31 | 2018-03-08 | 주식회사 케이티 | 비디오 신호 처리 방법 및 장치 |
| RU2653289C1 (ru) * | 2016-12-07 | 2018-05-07 | Владимир Леонидович Карякин | Способ повышения качества канала передачи данных в системе iptv по коэффициенту ber в режиме тв вещания и устройство для его осуществления |
| TWI635742B (zh) * | 2017-01-09 | 2018-09-11 | 晨星半導體股份有限公司 | 動態影像編碼裝置及動態影像編碼方法 |
| US10194147B2 (en) * | 2017-01-19 | 2019-01-29 | Google Llc | DC coefficient sign coding scheme |
| KR102302797B1 (ko) * | 2017-04-13 | 2021-09-16 | 엘지전자 주식회사 | 영상의 부호화/복호화 방법 및 이를 위한 장치 |
| US11032545B2 (en) * | 2017-06-29 | 2021-06-08 | Qualcomm Incorporated | Reducing seam artifacts in 360-degree video |
| US10484695B2 (en) | 2017-10-23 | 2019-11-19 | Google Llc | Refined entropy coding for level maps |
| EP3499885A1 (en) * | 2017-12-18 | 2019-06-19 | Canon Kabushiki Kaisha | Method and device for encoding video data |
| US10298895B1 (en) * | 2018-02-15 | 2019-05-21 | Wipro Limited | Method and system for performing context-based transformation of a video |
| EP3562156A1 (en) * | 2018-04-27 | 2019-10-30 | InterDigital VC Holdings, Inc. | Method and apparatus for adaptive context modeling in video encoding and decoding |
| US10645381B2 (en) | 2018-04-30 | 2020-05-05 | Google Llc | Intra-prediction for smooth blocks in image/video |
| US11509890B2 (en) | 2018-07-24 | 2022-11-22 | Hfi Innovation Inc. | Methods and apparatus for entropy coding and decoding aspects of video data |
| CN117097895A (zh) * | 2018-09-23 | 2023-11-21 | Lg 电子株式会社 | 编码/解码视频信号的方法及其装置 |
| KR102473571B1 (ko) | 2018-10-05 | 2022-12-06 | 타이사 리서치 엘엘씨 | 변환 계수 코딩 방법 및 그 장치 |
| CN116886914A (zh) | 2018-10-05 | 2023-10-13 | Lg电子株式会社 | 图像编码/解码方法、存储介质及数据传输方法 |
| US11323748B2 (en) | 2018-12-19 | 2022-05-03 | Qualcomm Incorporated | Tree-based transform unit (TU) partition for video coding |
| US11025937B2 (en) * | 2019-03-16 | 2021-06-01 | Tencent America LLC | Method and apparatus for video coding |
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| CN113711613A (zh) * | 2019-04-19 | 2021-11-26 | 字节跳动有限公司 | 变换跳过模式的上下文编解码 |
| KR20220078600A (ko) * | 2019-10-18 | 2022-06-10 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 서브픽처들의 파라미터 세트 시그널링에서의 신택스 제약들 |
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2013
- 2013-01-10 US US13/738,534 patent/US20130182772A1/en not_active Abandoned
- 2013-01-10 US US13/738,602 patent/US9621894B2/en active Active
- 2013-01-10 US US13/738,574 patent/US9253481B2/en active Active
- 2013-01-11 AU AU2013207823A patent/AU2013207823B2/en active Active
- 2013-01-11 SG SG11201403342YA patent/SG11201403342YA/en unknown
- 2013-01-11 CA CA2863043A patent/CA2863043A1/en not_active Abandoned
- 2013-01-11 BR BR112014017118-1A patent/BR112014017118B1/pt active IP Right Grant
- 2013-01-11 RU RU2014133162/08A patent/RU2603537C2/ru active
- 2013-01-11 TW TW102101279A patent/TWI559736B/zh active
- 2013-01-11 EP EP13701191.2A patent/EP2803194B1/en active Active
- 2013-01-11 WO PCT/US2013/021261 patent/WO2013106729A2/en active Application Filing
- 2013-01-11 MY MYPI2014701861A patent/MY166883A/en unknown
- 2013-01-11 SG SG10201605387XA patent/SG10201605387XA/en unknown
- 2013-01-11 RU RU2014133154/08A patent/RU2595897C2/ru active
- 2013-01-11 WO PCT/US2013/021234 patent/WO2013106710A2/en active Application Filing
- 2013-01-11 EP EP13701192.0A patent/EP2803195A2/en active Pending
- 2013-01-11 BR BR112014017000A patent/BR112014017000A8/pt not_active Application Discontinuation
- 2013-01-11 UA UAA201409067A patent/UA114418C2/uk unknown
- 2013-01-11 EP EP13701321.5A patent/EP2803196A2/en not_active Withdrawn
- 2013-01-11 CA CA2863011A patent/CA2863011C/en active Active
- 2013-01-11 MY MYPI2014701862A patent/MY172757A/en unknown
- 2013-01-11 KR KR1020147022371A patent/KR101721302B1/ko active IP Right Grant
- 2013-01-11 CN CN201380005233.4A patent/CN104054340A/zh active Pending
- 2013-01-11 SG SG11201403343RA patent/SG11201403343RA/en unknown
- 2013-01-11 BR BR112014017121-1A patent/BR112014017121B1/pt active IP Right Grant
- 2013-01-11 JP JP2014552336A patent/JP6046164B2/ja active Active
- 2013-01-11 AU AU2013207804A patent/AU2013207804A1/en not_active Abandoned
- 2013-01-11 AU AU2013207752A patent/AU2013207752B2/en active Active
- 2013-01-11 JP JP2014552342A patent/JP6266535B2/ja active Active
- 2013-01-11 CN CN201380005229.8A patent/CN104041033B/zh active Active
- 2013-01-11 KR KR1020147022372A patent/KR102187013B1/ko active IP Right Grant
- 2013-01-11 KR KR1020147022370A patent/KR20140116194A/ko not_active Application Discontinuation
- 2013-01-11 CN CN201380005235.3A patent/CN104041029B/zh active Active
- 2013-01-11 TW TW102101282A patent/TW201336317A/zh unknown
- 2013-01-11 JP JP2014552329A patent/JP2015507429A/ja active Pending
- 2013-01-11 CA CA2863019A patent/CA2863019C/en active Active
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