JP2019527959A5 - - Google Patents
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- JP2019527959A5 JP2019527959A5 JP2019501959A JP2019501959A JP2019527959A5 JP 2019527959 A5 JP2019527959 A5 JP 2019527959A5 JP 2019501959 A JP2019501959 A JP 2019501959A JP 2019501959 A JP2019501959 A JP 2019501959A JP 2019527959 A5 JP2019527959 A5 JP 2019527959A5
- Authority
- JP
- Japan
- Prior art keywords
- data
- information indicating
- encoded
- quantization
- quality parameter
- 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
- 238000000034 method Methods 0.000 claims 99
- 238000013139 quantization Methods 0.000 claims 60
- 238000005259 measurement Methods 0.000 claims 4
- 238000012544 monitoring process Methods 0.000 claims 4
- 230000004931 aggregating effect Effects 0.000 claims 2
- 238000004590 computer program Methods 0.000 claims 2
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB201612365A GB2552223B (en) | 2016-07-15 | 2016-07-15 | Encoders, decoders and methods employing quantization |
| GB1612365.5 | 2016-07-15 | ||
| PCT/EP2017/025215 WO2018010852A1 (en) | 2016-07-15 | 2017-07-17 | Encoders, decoders and methods employing quantization |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2019527959A JP2019527959A (ja) | 2019-10-03 |
| JP2019527959A5 true JP2019527959A5 (enExample) | 2019-12-05 |
| JP6707709B2 JP6707709B2 (ja) | 2020-06-10 |
Family
ID=56890467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019501959A Active JP6707709B2 (ja) | 2016-07-15 | 2017-07-17 | 量子化を用いるエンコーダ、デコーダ、および方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US10542257B2 (enExample) |
| EP (1) | EP3485638A1 (enExample) |
| JP (1) | JP6707709B2 (enExample) |
| CN (2) | CN109565597B (enExample) |
| GB (1) | GB2552223B (enExample) |
| WO (1) | WO2018010852A1 (enExample) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3782365A1 (en) * | 2018-04-16 | 2021-02-24 | InterDigital VC Holdings, Inc. | Quantization parameter prediction for video encoding and decoding |
| BR112021002464A2 (pt) * | 2018-09-11 | 2021-05-04 | Panasonic Intellectual Property Corporation Of America | método de codificação de dados tridimensionais, método de decodificação de dados tridimensionais, dispositivo de codificação de dados tridimensionais, e dispositivo de decodificação de dados tridimensionais |
| CN109561306B (zh) * | 2018-10-26 | 2021-08-06 | 上海九吾尊易信息科技有限公司 | 一种带宽压缩量化方法 |
| CN109587485A (zh) * | 2018-10-26 | 2019-04-05 | 西安科锐盛创新科技有限公司 | 视频压缩编码方法 |
| US11368692B2 (en) * | 2018-10-31 | 2022-06-21 | Ati Technologies Ulc | Content adaptive quantization strength and bitrate modeling |
| WO2020216375A1 (en) * | 2019-04-26 | 2020-10-29 | Huawei Technologies Co., Ltd. | Method and apparatus for signaling of mapping function of chroma quantization parameter |
| US20230076138A1 (en) * | 2021-09-09 | 2023-03-09 | Arm Limited | Nibble Block Format |
| WO2024111313A1 (ja) * | 2022-11-24 | 2024-05-30 | 日本電気株式会社 | 映像符号化装置、映像符号化方法および映像システム |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH033496A (ja) * | 1989-05-31 | 1991-01-09 | Toshiba Corp | 画像符号化方式 |
| KR960036647A (ko) * | 1995-03-20 | 1996-10-28 | 배순훈 | 스캐닝을 이용한 비트플랜 압축전송장치 |
| JPH10336654A (ja) * | 1997-06-02 | 1998-12-18 | Nec Corp | 画像符号化装置 |
| US8411983B2 (en) * | 2007-08-31 | 2013-04-02 | Ati Technologies Ulc | Method and apparatus for producing a contrast enhanced image |
| JP2013012887A (ja) * | 2011-06-29 | 2013-01-17 | Canon Inc | 画像符号化装置、画像符号化方法及びプログラム、画像復号装置、画像復号方法及びプログラム |
| KR20130098122A (ko) * | 2012-02-27 | 2013-09-04 | 세종대학교산학협력단 | 영상 부호화/복호화 장치 및 영상을 부호화/복호화하는 방법 |
| WO2013128010A2 (en) * | 2012-03-02 | 2013-09-06 | Canon Kabushiki Kaisha | Method and devices for encoding a sequence of images into a scalable video bit-stream, and decoding a corresponding scalable video bit-stream |
| US8675731B2 (en) | 2012-08-13 | 2014-03-18 | Gurulogic Microsystems Oy | Encoder and method |
| US9538239B2 (en) | 2012-08-13 | 2017-01-03 | Gurulogic Microsystems Oy | Decoder and method for decoding encoded input data containing a plurality of blocks or packets |
| WO2014052775A1 (en) | 2012-09-29 | 2014-04-03 | Motorola Mobility Llc | Adaptive transform options for scalable extension |
| US9245353B2 (en) * | 2012-10-22 | 2016-01-26 | Gurulogic Microsystems Oy | Encoder, decoder and method |
| US9135723B1 (en) * | 2012-12-19 | 2015-09-15 | Marvell International Ltd. | Efficient visually lossless compression |
| US8933826B2 (en) * | 2013-03-01 | 2015-01-13 | Gurulogic Microsystems Oy | Encoder apparatus, decoder apparatus and method |
| GB2516426B (en) | 2013-07-17 | 2015-10-07 | Gurulogic Microsystems Oy | Encoder, decoder and method of operation using interpolation |
| GB2516425B (en) * | 2013-07-17 | 2015-12-30 | Gurulogic Microsystems Oy | Encoder and decoder, and method of operation |
| US20150063461A1 (en) * | 2013-08-27 | 2015-03-05 | Magnum Semiconductor, Inc. | Methods and apparatuses for adjusting macroblock quantization parameters to improve visual quality for lossy video encoding |
| JP5800077B2 (ja) * | 2014-09-29 | 2015-10-28 | 富士通株式会社 | 動画像復号方法 |
| GB2539488B8 (en) * | 2015-06-18 | 2020-08-19 | Gurulogic Microsystems Oy | Encoder, decoder and method employing palette utilization and compression |
-
2016
- 2016-07-15 GB GB201612365A patent/GB2552223B/en active Active
-
2017
- 2017-07-17 WO PCT/EP2017/025215 patent/WO2018010852A1/en not_active Ceased
- 2017-07-17 US US16/224,514 patent/US10542257B2/en active Active
- 2017-07-17 JP JP2019501959A patent/JP6707709B2/ja active Active
- 2017-07-17 CN CN201780043713.8A patent/CN109565597B/zh active Active
- 2017-07-17 CN CN202311295335.6A patent/CN117560014A/zh active Pending
- 2017-07-17 EP EP17742949.5A patent/EP3485638A1/en not_active Withdrawn
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