HRP20190794T1 - Uređaj za i postupak poboljšavanja razmjene slikovnih podataka o opažajnoj luminanciji na osnovi nelinearnosti između različitih sposobnosti prikazivanja - Google Patents
Uređaj za i postupak poboljšavanja razmjene slikovnih podataka o opažajnoj luminanciji na osnovi nelinearnosti između različitih sposobnosti prikazivanja Download PDFInfo
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- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
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- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
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- G09G2340/06—Colour space transformation
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- G09G2370/08—Details of image data interface between the display device controller and the data line driver circuit
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- G—PHYSICS
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- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
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Claims (13)
1. Postupak, koji se sastoji u:
primanju, uređajem za kodiranje podataka, slikovnih podataka s vrijednostima luminancije koje predstavljaju apsolutne vrijednosti luminancije L koje treba kodirati;
procjenjivanju, uređajem za kodiranje podataka, OETF kodne funkcije za mapiranje apsolutnih vrijednosti luminancije u vrijednosti digitalnog koda;
na osnovi primanja i procjenjivanja, kodiranju, uređajem za kodiranje podataka, primljenih slikovnih podataka u referentno kodirane slikovne podatke; i
slanju, iz uređaja za kodiranje podataka, referentno kodiranih slikovnih podataka,
gdje vrijednosti digitalnog koda u referentno kodiranim slikovnim podacima predstavljaju vrijednosti luminancije primljenih slikovnih podataka;
naznačen time što
OETF kodna funkcija se osniva, u najmanju ruku dijelom, na funkcionalnom modelu:
gdje:
Y je normalizirana vrijednost odgovarajuće jedne od apsolutnih vrijednosti luminancije L, gdje 0 ≤ Y ≤ 1,
V je normalizirana vrijednost odgovarajuće jedne od vrijednosti digitalnog koda D koje se šalje kao referentno kodirane slikovne podatke, gdje 0 ≤ V ≤ 1, i
n, m, c1, c2, te c3 su zadane vrijednosti,
gdje:
i
2. Postupak u skladu s patentnim zahtjevom 1, naznačen time što vrijednosti digitalnog koda D imaju bitovnu dubinu od 10 ili 12 bitova.
3. Postupak u skladu s patentnim zahtjevom 1 ili patentnim zahtjevom 2, naznačen time što vrijednosti luminancije u slikovnim podacima predstavljaju uzorkovane vrijednosti apsolutne luminancije L koje sadrži signal serijskog digitalnog sučelja (SDI).
4. Postupak u skladu s bilo kojim od patentnih zahtjeva 1-3, naznačen time što je bitovna dubina 10 bitova, a tablica koja prikazuje OETF kodna funkcija je Tablica 4 u ovoj specifikaciji.
5. Postupak u skladu s bilo kojim od patentnih zahtjeva 1-4, naznačen time što OETF kodna funkcija isključuje prvi zadani broj od najmanjih i drugi zadani broj od najvećih vrijednosti digitalnog koda D iz mapiranja.
6. Postupak u skladu s bilo kojim od patentnih zahtjeva 1-5, naznačen time što odnos između jedne od normaliziranih vrijednosti V i odgovarajuće jedne od vrijednosti digitalnog koda D prikazuje funkcija:
gdje je b bitovna dubina, koja odgovara broju bitova koje se upotrebljava za predstavljanje vrijednosti digitalnog koda D.
7. Postupak u skladu s bilo kojim od patentnih zahtjeva 1-6, naznačen time što slikovni podaci koje treba kodirati sadrže slikovne podatke kodirane u jednom od slikovnih formata velikog dinamičnog raspona i visoke razlučivosti (HDR), RGB prostoru boja povezanom sa standardom Academy Color Encoding Specification (ACES) od strane Academy of Motion Picture Arts and Sciences (AMPAS), standardom P3 prostora boja od strane Digital Cinema Initiative, standardom Reference Input Medium Metric/Reference Output Medium Metric (RIMM/ROMM), sRGB prostoru boja, ili RGB prostoru boja povezanom s preporučenim standardom BT.709 Međunarodne unije za telekomunikacije (ITU).
8. Uređaj za kodiranje podataka, konfiguriran za kodiranje primljenih slikovnih podataka u referentno kodirane slikovne podatke, gdje uređaj za kodiranje podataka sadrži:
prijemnu jedinicu, konfiguriranu za primanje slikovnih podataka s vrijednostima luminancije koje predstavljaju apsolutne vrijednosti luminancije L koje treba kodirati; i
OETF koder, koji mapira apsolutne vrijednosti luminancije u vrijednosti digitalnog koda;
naznačen time što
OETF koder mapira apsolutne vrijednosti luminancije L na osnovi, u najmanju ruku dijelom, funkcionalnog modela:
gdje:
Y je normalizirana vrijednost odgovarajuće jedne od apsolutnih vrijednosti luminancije L, gdje 0 ≤ Y ≤ 1,
V je normalizirana vrijednost odgovarajuće jedne od vrijednosti digitalnog koda D koje se šalje kao referentno kodirane slikovne podatke, gdje 0 ≤ V ≤ 1, i
n, m, c1, c2, te c3 su zadane vrijednosti,
gdje:
i
9. Uređaj za kodiranje podataka u skladu s patentnim zahtjevom 8, naznačen time što vrijednosti digitalnog koda D imaju bitovnu dubinu od 10 ili 12 bitova.
10. Uređaj za kodiranje podataka u skladu s patentnim zahtjevom 8 ili patentnim zahtjevom 9, naznačen time što vrijednosti luminancije u slikovnim podacima predstavljaju uzorkovane vrijednosti apsolutne luminancije L koje sadrži signal serijskog digitalnog sučelja (SDI).
11. Uređaj za kodiranje podataka u skladu s bilo kojim od patentnih zahtjeva 8-10, naznačen time što je bitovna dubina 10 bitova, a tablica koja prikazuje funkcionalni model je Tablica 4 u ovoj specifikaciji.
12. Uređaj za kodiranje podataka u skladu s bilo kojim od patentnih zahtjeva 8-11, naznačen time što je jedinica za mapiranje dodatno konfigurirana za isključivanje najmanje tri najmanje i tri najveće vrijednosti digitalnog koda iz pretvorbe.
13. Postupak u skladu s bilo kojim od patentnih zahtjeva 8-12, naznačen time što odnos između jedne od normaliziranih vrijednosti V i odgovarajuće jedne od vrijednosti digitalnog koda D prikazuje funkcija:
gdje je b bitovna dubina, koja odgovara broju bitova koje se upotrebljava za predstavljanje vrijednosti digitalnog koda D.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
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| US201161567579P | 2011-12-06 | 2011-12-06 | |
| US201261674503P | 2012-07-23 | 2012-07-23 | |
| US201261703449P | 2012-09-20 | 2012-09-20 | |
| EP16166823.1A EP3079055B1 (en) | 2011-12-06 | 2012-12-06 | Device and method of improving the perceptual luminance nonlinearity-based image data exchange across different display capabilities |
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| HRP20190794T1 true HRP20190794T1 (hr) | 2019-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| HRP20230252TT HRP20230252T1 (hr) | 2011-12-06 | 2012-12-06 | Računalni program koji poboljšava razmjenu slikovnih podataka baziranih na perceptualnoj nelinearnosti kroz različita svojstva zaslona |
| HRP20230225TT HRP20230225T1 (hr) | 2011-12-06 | 2012-12-06 | Računalni program i računalno čitljiv medij koji ima pohranjen tok bitova za poboljšanje razmjene slikovnih podataka baziranih na perceptualnoj nelinearnosti osvijetljenosti kroz različita svojstva zaslona |
| HRP20211707TT HRP20211707T1 (hr) | 2011-12-06 | 2012-12-06 | Uređaj za i postupak poboljšavanja razmjene slikovnih podataka o opažajnoj luminanciji na osnovi nelinearnosti između različitih sposobnosti prikazivanja |
| HRP20190794TT HRP20190794T1 (hr) | 2011-12-06 | 2019-04-29 | Uređaj za i postupak poboljšavanja razmjene slikovnih podataka o opažajnoj luminanciji na osnovi nelinearnosti između različitih sposobnosti prikazivanja |
| HRP20201891TT HRP20201891T1 (hr) | 2011-12-06 | 2020-11-27 | Uređaj i postupak poboljšanja razmjene slikovnih podataka baziranih na perceptualnoj nelinearnosti osvijetljenosti kroz različita svojstva zaslona |
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| HRP20230252TT HRP20230252T1 (hr) | 2011-12-06 | 2012-12-06 | Računalni program koji poboljšava razmjenu slikovnih podataka baziranih na perceptualnoj nelinearnosti kroz različita svojstva zaslona |
| HRP20230225TT HRP20230225T1 (hr) | 2011-12-06 | 2012-12-06 | Računalni program i računalno čitljiv medij koji ima pohranjen tok bitova za poboljšanje razmjene slikovnih podataka baziranih na perceptualnoj nelinearnosti osvijetljenosti kroz različita svojstva zaslona |
| HRP20211707TT HRP20211707T1 (hr) | 2011-12-06 | 2012-12-06 | Uređaj za i postupak poboljšavanja razmjene slikovnih podataka o opažajnoj luminanciji na osnovi nelinearnosti između različitih sposobnosti prikazivanja |
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| HRP20201891TT HRP20201891T1 (hr) | 2011-12-06 | 2020-11-27 | Uređaj i postupak poboljšanja razmjene slikovnih podataka baziranih na perceptualnoj nelinearnosti osvijetljenosti kroz različita svojstva zaslona |
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| CA (9) | CA2854071C (hr) |
| CY (2) | CY1121636T1 (hr) |
| DK (6) | DK3079055T3 (hr) |
| ES (6) | ES2939867T3 (hr) |
| FI (3) | FI4137929T3 (hr) |
| HK (2) | HK1197471A1 (hr) |
| HR (5) | HRP20230252T1 (hr) |
| HU (5) | HUE052566T2 (hr) |
| IN (1) | IN2014CN03871A (hr) |
| LT (2) | LT3079055T (hr) |
| MX (6) | MX2020004850A (hr) |
| MY (2) | MY193501A (hr) |
| PL (5) | PL3079055T3 (hr) |
| PT (6) | PT3514677T (hr) |
| RS (5) | RS64021B1 (hr) |
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| SG (4) | SG11201401944XA (hr) |
| SI (2) | SI3514677T1 (hr) |
| WO (1) | WO2013086169A1 (hr) |
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| US10242650B2 (en) | 2011-12-06 | 2019-03-26 | Dolby Laboratories Licensing Corporation | Perceptual luminance nonlinearity-based image data exchange across different display capabilities |
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| EP2887664A1 (en) | 2013-12-19 | 2015-06-24 | Thomson Licensing | Method and device for encoding a high-dynamic range image |
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| EP3198556B1 (en) | 2014-09-26 | 2018-05-16 | Dolby Laboratories Licensing Corp. | Encoding and decoding perceptually-quantized video content |
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