CA2924461A1 - Systeme et procede de reduction des artefacts visibles dans l'affichage d'images et videos numeriques compressees et decompressees - Google Patents
Systeme et procede de reduction des artefacts visibles dans l'affichage d'images et videos numeriques compressees et decompressees Download PDFInfo
- Publication number
- CA2924461A1 CA2924461A1 CA2924461A CA2924461A CA2924461A1 CA 2924461 A1 CA2924461 A1 CA 2924461A1 CA 2924461 A CA2924461 A CA 2924461A CA 2924461 A CA2924461 A CA 2924461A CA 2924461 A1 CA2924461 A1 CA 2924461A1
- Authority
- CA
- Canada
- Prior art keywords
- image buffer
- processing device
- color space
- value
- pixels
- 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.)
- Abandoned
Links
- 238000000034 method Methods 0.000 title claims abstract description 115
- 238000012545 processing Methods 0.000 claims abstract description 119
- 230000015654 memory Effects 0.000 claims description 38
- 239000003086 colorant Substances 0.000 claims description 12
- 230000000007 visual effect Effects 0.000 claims description 12
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 description 34
- 238000006243 chemical reaction Methods 0.000 description 30
- 230000006835 compression Effects 0.000 description 28
- 238000007906 compression Methods 0.000 description 28
- 230000005540 biological transmission Effects 0.000 description 26
- 230000006870 function Effects 0.000 description 16
- 238000010586 diagram Methods 0.000 description 14
- 238000013139 quantization Methods 0.000 description 14
- 238000001914 filtration Methods 0.000 description 10
- 230000008901 benefit Effects 0.000 description 8
- 230000009467 reduction Effects 0.000 description 8
- 238000012546 transfer Methods 0.000 description 7
- 238000004891 communication Methods 0.000 description 6
- 230000035945 sensitivity Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000007726 management method Methods 0.000 description 4
- 230000008825 perceptual sensitivity Effects 0.000 description 4
- 230000004456 color vision Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 3
- 238000013507 mapping Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000008447 perception Effects 0.000 description 3
- 238000004737 colorimetric analysis Methods 0.000 description 2
- 238000004590 computer program Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 235000019800 disodium phosphate Nutrition 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000009828 non-uniform distribution Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 241000023320 Luma <angiosperm> Species 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- OSWPMRLSEDHDFF-UHFFFAOYSA-N methyl salicylate Chemical compound COC(=O)C1=CC=CC=C1O OSWPMRLSEDHDFF-UHFFFAOYSA-N 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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
- H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
-
- 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
- H04N19/186—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 colour or a chrominance component
-
- 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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Image Processing (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
- Facsimile Image Signal Circuits (AREA)
- Color Image Communication Systems (AREA)
- Color Television Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/US2013/060942 WO2015041681A1 (fr) | 2013-09-20 | 2013-09-20 | Système et procédé de réduction des artéfacts visibles dans l'affichage d'images et vidéos numériques compressées et décompressées |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2924461A1 true CA2924461A1 (fr) | 2015-03-26 |
Family
ID=52689217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2924461A Abandoned CA2924461A1 (fr) | 2013-09-20 | 2013-09-20 | Systeme et procede de reduction des artefacts visibles dans l'affichage d'images et videos numeriques compressees et decompressees |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP3047428A4 (fr) |
| JP (1) | JP2016536815A (fr) |
| KR (1) | KR20160058153A (fr) |
| CN (1) | CN105637534A (fr) |
| BR (1) | BR112016006047A2 (fr) |
| CA (1) | CA2924461A1 (fr) |
| SG (1) | SG11201602136TA (fr) |
| WO (1) | WO2015041681A1 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113810675A (zh) * | 2020-06-12 | 2021-12-17 | 北京小米移动软件有限公司 | 图像处理方法、装置、设备及存储介质 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110473209B (zh) * | 2019-08-02 | 2021-08-13 | 武汉高德智感科技有限公司 | 红外图像处理方法、装置及计算机存储介质 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2591189B2 (ja) * | 1989-10-13 | 1997-03-19 | 松下電器産業株式会社 | カラー画像処理方法及び装置 |
| EP0423653B1 (fr) * | 1989-10-13 | 1997-08-06 | Matsushita Electric Industrial Co., Ltd. | Méthode et appareil de compensation de couleur dans des images en couleur |
| JPH0678320A (ja) * | 1992-08-25 | 1994-03-18 | Matsushita Electric Ind Co Ltd | 色調整装置 |
| JPH11146209A (ja) * | 1997-11-12 | 1999-05-28 | Sharp Corp | 色再現方法 |
| US6608925B1 (en) * | 1999-03-01 | 2003-08-19 | Kodak Polychrome Graphics, Llc | Color processing |
| JP2001078235A (ja) * | 1999-09-08 | 2001-03-23 | Ricoh Co Ltd | 画像評価方法および画像評価装置 |
| JP4037336B2 (ja) * | 2003-07-15 | 2008-01-23 | 富士フイルム株式会社 | 画像処理装置および方法並びにプログラム |
| US7426312B2 (en) * | 2005-07-05 | 2008-09-16 | Xerox Corporation | Contrast enhancement of images |
| JP2007325037A (ja) * | 2006-06-01 | 2007-12-13 | Sharp Corp | 画像処理方法および画像処理装置 |
| US8462171B2 (en) * | 2009-02-06 | 2013-06-11 | Micrososft Corporation | Saturation contrast image enhancement |
| US8325385B2 (en) * | 2009-03-27 | 2012-12-04 | Konica Minolta Laboratory U.S.A., Inc. | System and methods for processing color data in converting color data from one color space to another color space |
| JP2011015341A (ja) * | 2009-07-06 | 2011-01-20 | Ricoh Co Ltd | 画像処理装置、画像処理方法、プログラム及び記録媒体 |
| US8773457B2 (en) * | 2010-11-19 | 2014-07-08 | Apple Inc. | Color space conversion |
| JP5863424B2 (ja) * | 2011-12-01 | 2016-02-16 | キヤノン株式会社 | 色処理装置およびその方法 |
-
2013
- 2013-09-20 CN CN201380080316.XA patent/CN105637534A/zh active Pending
- 2013-09-20 EP EP13893899.8A patent/EP3047428A4/fr not_active Withdrawn
- 2013-09-20 BR BR112016006047A patent/BR112016006047A2/pt not_active IP Right Cessation
- 2013-09-20 CA CA2924461A patent/CA2924461A1/fr not_active Abandoned
- 2013-09-20 WO PCT/US2013/060942 patent/WO2015041681A1/fr not_active Ceased
- 2013-09-20 JP JP2016515381A patent/JP2016536815A/ja active Pending
- 2013-09-20 KR KR1020167009993A patent/KR20160058153A/ko not_active Withdrawn
- 2013-09-20 SG SG11201602136TA patent/SG11201602136TA/en unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113810675A (zh) * | 2020-06-12 | 2021-12-17 | 北京小米移动软件有限公司 | 图像处理方法、装置、设备及存储介质 |
| CN113810675B (zh) * | 2020-06-12 | 2024-03-12 | 北京小米移动软件有限公司 | 图像处理方法、装置、设备及存储介质 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015041681A1 (fr) | 2015-03-26 |
| JP2016536815A (ja) | 2016-11-24 |
| BR112016006047A2 (pt) | 2017-08-01 |
| EP3047428A1 (fr) | 2016-07-27 |
| CN105637534A (zh) | 2016-06-01 |
| EP3047428A4 (fr) | 2017-02-08 |
| SG11201602136TA (en) | 2016-04-28 |
| KR20160058153A (ko) | 2016-05-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8836716B1 (en) | System and method for reducing visible artifacts in the display of compressed and decompressed digital images and video | |
| US11671550B2 (en) | Method and device for color gamut mapping | |
| KR102129541B1 (ko) | 높은 동적 범위 및 넓은 컬러 영역 시퀀스들의 코딩에서의 컬러 볼륨 변환들 | |
| US10200701B2 (en) | HDR and WCG coding architecture with SDR backwards compatibility in a single bitstream for video coding | |
| JP6808725B2 (ja) | 改善された色再マッピング情報補足エンハンスメント情報メッセージ処理 | |
| JP5180374B2 (ja) | 色域スケーラビリティ技術 | |
| JP6719391B2 (ja) | ビットストリーム内で、ldrピクチャのピクチャ/ビデオ・フォーマットと、このldrピクチャおよびイルミネーション・ピクチャから取得された復号済みのhdrピクチャのピクチャ/ビデオ・フォーマットとをシグナリングする方法および装置 | |
| WO2018039451A1 (fr) | Adaptation de gamme de couleurs par canal de retour | |
| KR102509504B1 (ko) | 코딩 및 디코딩 방법과 대응하는 디바이스 | |
| US11263731B2 (en) | Method and device for color gamut mapping | |
| JP2018525883A (ja) | カラー・ピクチャを符号化および復号する方法およびデバイス | |
| JP6982060B2 (ja) | 表示適応のための色再マッピング情報seiメッセージシグナリング | |
| WO2018202531A1 (fr) | Procédé et dispositif de mise en correspondance de gamme de couleurs | |
| US11006152B2 (en) | Method and apparatus for encoding/decoding a high dynamic range picture into a coded bitstream | |
| WO2019203973A1 (fr) | Procédé et dispositif de codage d'une image ou d'une vidéo avec une efficacité de compression optimisée préservant la fidélité de l'image ou de la vidéo | |
| KR20230107545A (ko) | 채도를 유지하고 색조를 보존하면서 톤 맵퍼 내에서의 크로마 클립핑을 회피하기 위한 방법, 디바이스, 및 장치 | |
| CA2924461A1 (fr) | Systeme et procede de reduction des artefacts visibles dans l'affichage d'images et videos numeriques compressees et decompressees | |
| US10721484B2 (en) | Determination of a co-located luminance sample of a color component sample, for HDR coding/decoding | |
| EP3528201A1 (fr) | Procédé et dispositif pour régler la saturation dans une image hdr |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |
Effective date: 20180920 |