JP2015512222A5 - - Google Patents
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- Publication number
- JP2015512222A5 JP2015512222A5 JP2014560082A JP2014560082A JP2015512222A5 JP 2015512222 A5 JP2015512222 A5 JP 2015512222A5 JP 2014560082 A JP2014560082 A JP 2014560082A JP 2014560082 A JP2014560082 A JP 2014560082A JP 2015512222 A5 JP2015512222 A5 JP 2015512222A5
- Authority
- JP
- Japan
- Prior art keywords
- transform coefficients
- scan order
- transform
- context
- context derivation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000009795 derivation Methods 0.000 claims 70
- 238000000034 method Methods 0.000 claims 25
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201261606356P | 2012-03-02 | 2012-03-02 | |
| US61/606,356 | 2012-03-02 | ||
| US13/780,846 | 2013-02-28 | ||
| US13/780,846 US9363510B2 (en) | 2012-03-02 | 2013-02-28 | Scan-based sliding window in context derivation for transform coefficient coding |
| PCT/US2013/028588 WO2013130952A1 (en) | 2012-03-02 | 2013-03-01 | Scan-based sliding window in context derivation for transform coefficient coding |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2015512222A JP2015512222A (ja) | 2015-04-23 |
| JP2015512222A5 true JP2015512222A5 (enExample) | 2016-09-08 |
| JP6081499B2 JP6081499B2 (ja) | 2017-02-15 |
Family
ID=49042826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2014560082A Expired - Fee Related JP6081499B2 (ja) | 2012-03-02 | 2013-03-01 | 変換係数コーディングのためのコンテキスト導出における走査ベーススライディングウィンドウ |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US9363510B2 (enExample) |
| EP (1) | EP2820845B1 (enExample) |
| JP (1) | JP6081499B2 (enExample) |
| KR (1) | KR101708540B1 (enExample) |
| CN (1) | CN104137542B (enExample) |
| IN (1) | IN2014MN01592A (enExample) |
| WO (1) | WO2013130952A1 (enExample) |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9497472B2 (en) | 2010-11-16 | 2016-11-15 | Qualcomm Incorporated | Parallel context calculation in video coding |
| US20120163456A1 (en) | 2010-12-22 | 2012-06-28 | Qualcomm Incorporated | Using a most probable scanning order to efficiently code scanning order information for a video block in video coding |
| CN103096049A (zh) * | 2011-11-02 | 2013-05-08 | 华为技术有限公司 | 一种视频处理方法及系统、相关设备 |
| WO2013070974A2 (en) | 2011-11-08 | 2013-05-16 | General Instrument Corporation | Method of determining binary codewords for transform coefficients |
| CN105027560A (zh) | 2012-01-21 | 2015-11-04 | 摩托罗拉移动有限责任公司 | 确定用于变换系数的二进制码字的方法 |
| 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 |
| US9336558B2 (en) | 2013-09-27 | 2016-05-10 | Apple Inc. | Wavefront encoding with parallel bit stream encoding |
| US9224187B2 (en) | 2013-09-27 | 2015-12-29 | Apple Inc. | Wavefront order to scan order synchronization |
| KR102257379B1 (ko) * | 2014-07-22 | 2021-06-01 | 삼성전자주식회사 | 비디오 인코딩 회로 및 그것을 이용하는 비디오 인코딩 방법 |
| US9781424B2 (en) * | 2015-01-19 | 2017-10-03 | Google Inc. | Efficient context handling in arithmetic coding |
| US10334248B2 (en) | 2015-05-29 | 2019-06-25 | Qualcomm Incorporated | Coding data using an enhanced context-adaptive binary arithmetic coding (CABAC) design |
| EP3316580A4 (en) * | 2015-10-13 | 2018-09-26 | Samsung Electronics Co., Ltd. | Method and device for encoding or decoding image |
| US10708164B2 (en) * | 2016-05-03 | 2020-07-07 | Qualcomm Incorporated | Binarizing secondary transform index |
| US10554988B2 (en) * | 2017-03-22 | 2020-02-04 | Qualcomm Incorporated | Binary arithmetic coding with parameterized probability estimation finite state machines |
| US10630974B2 (en) * | 2017-05-30 | 2020-04-21 | Google Llc | Coding of intra-prediction modes |
| US10791341B2 (en) * | 2017-10-10 | 2020-09-29 | Qualcomm Incorporated | Binary arithmetic coding with progressive modification of adaptation parameters |
| US10484695B2 (en) | 2017-10-23 | 2019-11-19 | Google Llc | Refined entropy coding for level maps |
| US10547869B2 (en) * | 2017-12-08 | 2020-01-28 | Google Llc | Template-based entropy coding of quantized transform coefficients |
| CN114449277B (zh) * | 2017-12-08 | 2024-06-07 | 谷歌有限责任公司 | 用于系数代码化的上下文推导的方法和设备 |
| US10609421B2 (en) | 2018-07-12 | 2020-03-31 | Google Llc | Context derivation for coefficient coding |
| US10869060B2 (en) * | 2018-01-30 | 2020-12-15 | Google Llc | Efficient context model computation design in transform coefficient coding |
| US10298895B1 (en) * | 2018-02-15 | 2019-05-21 | Wipro Limited | Method and system for performing context-based transformation of a video |
| US10645381B2 (en) | 2018-04-30 | 2020-05-05 | Google Llc | Intra-prediction for smooth blocks in image/video |
| US11113846B2 (en) | 2018-08-31 | 2021-09-07 | Hulu, LLC | Coefficient context modeling in video coding |
| CN113853785B (zh) | 2019-05-14 | 2024-04-16 | 北京字节跳动网络技术有限公司 | 用于残差编解码的上下文建模 |
| CN112449184B (zh) * | 2019-08-28 | 2022-01-25 | 腾讯科技（深圳）有限公司 | 变换系数优化方法、编解码方法、装置、介质及电子设备 |
| US12581092B2 (en) | 2022-03-03 | 2026-03-17 | Qualcomm Incorporated | Temporal initialization points for context-based arithmetic coding |
| CN115987294B (zh) * | 2023-03-17 | 2023-07-25 | 北京悦知未来科技有限公司 | 一种物联网的多维数据处理方法 |
| US20240357114A1 (en) * | 2023-04-14 | 2024-10-24 | Qualcomm Incorporated | Context-based coding of transform coefficients for klt-based transforms |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100303085B1 (ko) * | 1998-04-24 | 2001-09-24 | 전주범 | 이진형상신호부호화장치및방법 |
| US7379608B2 (en) * | 2003-12-04 | 2008-05-27 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung, E.V. | Arithmetic coding for transforming video and picture data units |
| US8311119B2 (en) * | 2004-12-31 | 2012-11-13 | Microsoft Corporation | Adaptive coefficient scan order |
| US8503536B2 (en) | 2006-04-07 | 2013-08-06 | Microsoft Corporation | Quantization adjustments for DC shift artifacts |
| US7995649B2 (en) | 2006-04-07 | 2011-08-09 | Microsoft Corporation | Quantization adjustment based on texture level |
| US8130828B2 (en) | 2006-04-07 | 2012-03-06 | Microsoft Corporation | Adjusting quantization to preserve non-zero AC coefficients |
| US8619853B2 (en) * | 2007-06-15 | 2013-12-31 | Qualcomm Incorporated | Separable directional transforms |
| KR20090004658A (ko) | 2007-07-02 | 2009-01-12 | 엘지전자 주식회사 | 디지털 방송 시스템 및 데이터 처리 방법 |
| SG172459A1 (en) | 2009-12-01 | 2011-08-29 | Intel Corp | Compression using range coding with virtual sliding window |
| KR102417196B1 (ko) * | 2010-04-13 | 2022-07-05 | 지이 비디오 컴프레션, 엘엘씨 | 유효성 맵 및 변환 계수 블록의 코딩 |
| US8634669B2 (en) * | 2011-01-13 | 2014-01-21 | Sony Corporation | Fast implementation of context selection of significance map |
| US9379736B2 (en) * | 2011-06-03 | 2016-06-28 | Qualcomm Incorporated | Context-adaptive coding video data |
| US9756360B2 (en) | 2011-07-19 | 2017-09-05 | Qualcomm Incorporated | Coefficient scanning in video coding |
| US10390046B2 (en) | 2011-11-07 | 2019-08-20 | Qualcomm Incorporated | Coding significant coefficient information in transform skip mode |
-
2013
- 2013-02-28 US US13/780,846 patent/US9363510B2/en active Active
- 2013-03-01 KR KR1020147027137A patent/KR101708540B1/ko not_active Expired - Fee Related
- 2013-03-01 WO PCT/US2013/028588 patent/WO2013130952A1/en not_active Ceased
- 2013-03-01 CN CN201380011137.0A patent/CN104137542B/zh active Active
- 2013-03-01 EP EP13710220.8A patent/EP2820845B1/en active Active
- 2013-03-01 JP JP2014560082A patent/JP6081499B2/ja not_active Expired - Fee Related
- 2013-03-01 IN IN1592MUN2014 patent/IN2014MN01592A/en unknown
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