TWI856996B - 用於係數位準之逃逸寫碼 - Google Patents
用於係數位準之逃逸寫碼 Download PDFInfo
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- TWI856996B TWI856996B TW109100111A TW109100111A TWI856996B TW I856996 B TWI856996 B TW I856996B TW 109100111 A TW109100111 A TW 109100111A TW 109100111 A TW109100111 A TW 109100111A TW I856996 B TWI856996 B TW I856996B
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Classifications
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- 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
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- 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
- H03M7/4031—Fixed length to variable length coding
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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
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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
- H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
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- 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
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- 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
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- H04N19/184—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 bits, e.g. of the compressed video stream
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- 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
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- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
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- H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
Landscapes
- Engineering & Computer Science (AREA)
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- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962787707P | 2019-01-02 | 2019-01-02 | |
| US62/787,707 | 2019-01-02 | ||
| US16/732,008 | 2019-12-31 | ||
| US16/732,008 US11477486B2 (en) | 2019-01-02 | 2019-12-31 | Escape coding for coefficient levels |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW202032993A TW202032993A (zh) | 2020-09-01 |
| TWI856996B true TWI856996B (zh) | 2024-10-01 |
Family
ID=71123535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW109100111A TWI856996B (zh) | 2019-01-02 | 2020-01-02 | 用於係數位準之逃逸寫碼 |
Country Status (9)
| Country | Link |
|---|---|
| US (2) | US11477486B2 (https=) |
| EP (1) | EP3906679A1 (https=) |
| JP (1) | JP7509784B2 (https=) |
| KR (1) | KR20210107018A (https=) |
| CN (1) | CN113228654B (https=) |
| BR (1) | BR112021011060A2 (https=) |
| SG (1) | SG11202105292RA (https=) |
| TW (1) | TWI856996B (https=) |
| WO (1) | WO2020142608A1 (https=) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11477486B2 (en) | 2019-01-02 | 2022-10-18 | Qualcomm Incorporated | Escape coding for coefficient levels |
| TWI737143B (zh) * | 2019-01-25 | 2021-08-21 | 聯發科技股份有限公司 | 帶有變換塊級別約束的變換係數編碼的方法和設備 |
| US11269645B2 (en) * | 2020-03-11 | 2022-03-08 | Western Digital Technologies, Inc. | Storage system and method for implementing an encoder, decoder, and/or buffer using a field programmable gate array |
| WO2023060140A1 (en) * | 2021-10-06 | 2023-04-13 | Innopeak Technology, Inc. | History-based rice parameter derivations for video coding |
| US11695965B1 (en) | 2022-10-13 | 2023-07-04 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Video coding using a coded picture buffer |
| US12532014B2 (en) * | 2023-04-20 | 2026-01-20 | Tencent America LLC | Context derivation for arithmetic coding of transform coefficients generated by non-separable transforms |
| WO2025075812A1 (en) * | 2023-10-06 | 2025-04-10 | Qualcomm Incorporated | Coefficient coding context selection for video coding |
| WO2025148495A1 (en) * | 2024-01-11 | 2025-07-17 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Method and apparatus for coefficient coding in video coding |
| WO2025155765A1 (en) * | 2024-01-17 | 2025-07-24 | Netflix, Inc. | Techniques for avm coefficient encoding |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160050427A1 (en) * | 2013-04-08 | 2016-02-18 | Sony Corporation | Encoding and decoding of significant coefficients in dependence upon a parameter of the significant coefficients |
| US20160212427A1 (en) * | 2015-01-21 | 2016-07-21 | Fujitsu Limited | Video encoding apparatus and video encoding method |
| US20160295214A1 (en) * | 2013-12-23 | 2016-10-06 | Sony Corporation | Data encoding and decoding |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070201554A1 (en) * | 2006-02-24 | 2007-08-30 | Samsung Electronics Co., Ltd. | Video transcoding method and apparatus |
| US8213509B2 (en) * | 2006-10-06 | 2012-07-03 | Calos Fund Limited Liability Company | Video coding on parallel processing systems |
| JP2008252230A (ja) * | 2007-03-29 | 2008-10-16 | Toshiba Corp | 画像復号装置及び復号方法 |
| US20130083856A1 (en) * | 2011-06-29 | 2013-04-04 | Qualcomm Incorporated | Contexts for coefficient level coding in video compression |
| CN108235015A (zh) * | 2011-11-08 | 2018-06-29 | 三星电子株式会社 | 用于对视频进行解码的设备 |
| US10616581B2 (en) * | 2012-01-19 | 2020-04-07 | Huawei Technologies Co., Ltd. | Modified coding for a transform skipped block for CABAC in HEVC |
| CN107105248B (zh) * | 2012-04-13 | 2021-05-07 | 佳能株式会社 | 视频数据的变换单位的子集的编解码的方法、设备和系统 |
| HRP20181467T1 (hr) * | 2012-04-15 | 2018-11-02 | Samsung Electronics Co., Ltd | Postupak ažuriranja parametra za entropijsko dekodiranje razine koeficijenta konverzije, i uređaj za entropijsko dekodiranje razine koeficijenta konverzije koji koristi isti |
| US10021419B2 (en) * | 2013-07-12 | 2018-07-10 | Qualcomm Incorported | Rice parameter initialization for coefficient level coding in video coding process |
| US9930348B2 (en) * | 2014-03-14 | 2018-03-27 | Qualcomm Incorporated | Coefficient level coding in a video coding process |
| US10477204B2 (en) * | 2014-06-20 | 2019-11-12 | Sharp Kabushiki Kaisha | Harmonized palette coding |
| US10616604B2 (en) * | 2015-09-01 | 2020-04-07 | Qualcomm Incorporated | Coefficient level coding in video coding |
| EP3306924A1 (en) * | 2016-10-05 | 2018-04-11 | Thomson Licensing | Method and device for context-adaptive binary arithmetic coding a sequence of binary symbols representing a syntax element related to picture data |
| US11477486B2 (en) | 2019-01-02 | 2022-10-18 | Qualcomm Incorporated | Escape coding for coefficient levels |
| US10798397B2 (en) * | 2019-01-02 | 2020-10-06 | Tencent America LLC | Method and apparatus for video coding |
| EP4085636A4 (en) * | 2019-12-30 | 2024-01-24 | Beijing Dajia Internet Information Technology Co., Ltd. | RESIDUAL AND COEFFICIENT ENCODING FOR VIDEO CODING |
-
2019
- 2019-12-31 US US16/732,008 patent/US11477486B2/en active Active
-
2020
- 2020-01-02 EP EP20702707.9A patent/EP3906679A1/en active Pending
- 2020-01-02 KR KR1020217019962A patent/KR20210107018A/ko active Pending
- 2020-01-02 WO PCT/US2020/012054 patent/WO2020142608A1/en not_active Ceased
- 2020-01-02 BR BR112021011060-7A patent/BR112021011060A2/pt unknown
- 2020-01-02 SG SG11202105292RA patent/SG11202105292RA/en unknown
- 2020-01-02 JP JP2021538268A patent/JP7509784B2/ja active Active
- 2020-01-02 TW TW109100111A patent/TWI856996B/zh active
- 2020-01-02 CN CN202080007433.3A patent/CN113228654B/zh active Active
-
2022
- 2022-09-08 US US17/930,533 patent/US11785259B2/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160050427A1 (en) * | 2013-04-08 | 2016-02-18 | Sony Corporation | Encoding and decoding of significant coefficients in dependence upon a parameter of the significant coefficients |
| US20160295214A1 (en) * | 2013-12-23 | 2016-10-06 | Sony Corporation | Data encoding and decoding |
| US20160212427A1 (en) * | 2015-01-21 | 2016-07-21 | Fujitsu Limited | Video encoding apparatus and video encoding method |
Non-Patent Citations (1)
| Title |
|---|
| 網路文獻 Heiko Schwarz et.al CE7: Transform coefficient coding with reduced number of regular-coded bins (tests 7.1.3a, 7.1.3b) Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 12th Meeting: Macao, CN 3–12 Oct. 2018 https://jvet-experts.org/doc_end_user/documents/12_Macao/wg11/JVET-L0274-v3.zip * |
Also Published As
| Publication number | Publication date |
|---|---|
| JP7509784B2 (ja) | 2024-07-02 |
| US20200213623A1 (en) | 2020-07-02 |
| JP2022516132A (ja) | 2022-02-24 |
| CN113228654A (zh) | 2021-08-06 |
| SG11202105292RA (en) | 2021-07-29 |
| US20220417563A1 (en) | 2022-12-29 |
| CN113228654B (zh) | 2025-01-10 |
| TW202032993A (zh) | 2020-09-01 |
| US11477486B2 (en) | 2022-10-18 |
| WO2020142608A1 (en) | 2020-07-09 |
| KR20210107018A (ko) | 2021-08-31 |
| US11785259B2 (en) | 2023-10-10 |
| BR112021011060A2 (pt) | 2021-08-31 |
| EP3906679A1 (en) | 2021-11-10 |
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