JP2023085226A5 - - Google Patents
Info
- Publication number
- JP2023085226A5 JP2023085226A5 JP2022192888A JP2022192888A JP2023085226A5 JP 2023085226 A5 JP2023085226 A5 JP 2023085226A5 JP 2022192888 A JP2022192888 A JP 2022192888A JP 2022192888 A JP2022192888 A JP 2022192888A JP 2023085226 A5 JP2023085226 A5 JP 2023085226A5
- Authority
- JP
- Japan
- Prior art keywords
- offset compression
- interest
- level
- value
- offset
- 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
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP21213154.4A EP4195666B1 (en) | 2021-12-08 | 2021-12-08 | An encoding device and a method for encoding an image frame including selective restriction of offset compression values |
| EP21213154 | 2021-12-08 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2023085226A JP2023085226A (ja) | 2023-06-20 |
| JP2023085226A5 true JP2023085226A5 (https=) | 2025-10-09 |
| JP7784984B2 JP7784984B2 (ja) | 2025-12-12 |
Family
ID=78824976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022192888A Active JP7784984B2 (ja) | 2021-12-08 | 2022-12-01 | オフセット圧縮値の選択的制限を含む画像フレームを符号化するための符号化装置及び方法 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US12400368B2 (https=) |
| EP (1) | EP4195666B1 (https=) |
| JP (1) | JP7784984B2 (https=) |
| CN (1) | CN116320462A (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2024145685A (ja) * | 2023-03-31 | 2024-10-15 | 株式会社日立製作所 | 計算機システム及びデータの圧縮方法 |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08265769A (ja) * | 1995-03-06 | 1996-10-11 | Texas Instr Inc <Ti> | 画像データの適応型量子化方法及びその装置 |
| US8374237B2 (en) | 2001-03-02 | 2013-02-12 | Dolby Laboratories Licensing Corporation | High precision encoding and decoding of video images |
| EP1679659A1 (en) | 2005-01-06 | 2006-07-12 | Thomson Licensing | Method and device for selecting quantization parameters in a picture using side information |
| US8711926B2 (en) * | 2007-02-08 | 2014-04-29 | Qualcomm Incorporated | Distortion estimation for quantized data |
| FR2914125A1 (fr) | 2007-03-23 | 2008-09-26 | Thomson Licensing Sas | Procede de traitement d'image et dispositif de codage implementant ledit procede. |
| EP2094016A1 (en) * | 2008-02-19 | 2009-08-26 | Thomson Licensing | Method and device for compressing an image and storage medium carrying an image compressed by said method |
| IT1402430B1 (it) | 2010-09-17 | 2013-09-04 | St Microelectronics Srl | "procedimento e dispositivo per l'elaborazione di segnali video, trasmettitore o prodotto informatico relativi" |
| US9414054B2 (en) * | 2012-07-02 | 2016-08-09 | Microsoft Technology Licensing, Llc | Control and use of chroma quantization parameter values |
| GB201312382D0 (en) * | 2013-07-10 | 2013-08-21 | Microsoft Corp | Region-of-interest aware video coding |
| US20160353107A1 (en) | 2015-05-26 | 2016-12-01 | Apple Inc. | Adaptive quantization parameter modulation for eye sensitive areas |
| US20170280139A1 (en) | 2016-03-22 | 2017-09-28 | Qualcomm Incorporated | Apparatus and methods for adaptive calculation of quantization parameters in display stream compression |
| US10469854B2 (en) | 2017-06-21 | 2019-11-05 | Intel Corporation | Content, psychovisual, region of interest, and persistence based adaptive quantization for video coding |
| US20220239915A1 (en) | 2019-06-10 | 2022-07-28 | Realnetworks, Inc. | Perceptual adaptive quantization and rounding offset with piece-wise mapping function |
| US11490083B2 (en) * | 2020-02-05 | 2022-11-01 | Qualcomm Incorporated | Learned low-complexity adaptive quantization for video compression |
| DE112021004926T5 (de) * | 2020-09-15 | 2023-07-13 | Fujifilm Corporation | Bildkodiervorrichtung, bildkodierverfahren, bildkodierprogramm,bilddekodiervorrichtung, bilddekodierverfahren, bilddekodierprogramm,bildverarbeitungsvorrichtung, lernvorrichtung, lernverfahren, lernprogramm, suchvorrichtung für ähnliche bilder, suchverfahren für ähnliche bilder, und suchprogramm für ähnliche bilder |
| US11727664B2 (en) * | 2021-04-27 | 2023-08-15 | Zebra Technologies Corporation | Systems and methods for determining an adaptive region of interest (ROI) for image metrics calculations |
-
2021
- 2021-12-08 EP EP21213154.4A patent/EP4195666B1/en active Active
-
2022
- 2022-11-23 CN CN202211472182.3A patent/CN116320462A/zh active Pending
- 2022-12-01 JP JP2022192888A patent/JP7784984B2/ja active Active
- 2022-12-02 US US18/073,993 patent/US12400368B2/en active Active
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