SRGB↔XYZ Kɔnvɔshɔn (2021) . | Mewayz Blog Skip to main content
Hacker News

SRGB↔XYZ Kɔnvɔshɔn (2021) .

Kɔmɛnt dɛn

13 min read Via mina86.com

Mewayz Team

Editorial Team

Hacker News

Frɔm Skrin to Stɛndad: Di Brij fɔ Kɔnvɔshɔn fɔ Kɔlɔ

Na di dijital wɔl, kɔlɔ na langwej. Fɔ di wan dɛn we de mek dizayn, di wan dɛn we de tek pikchɔ, ɛn di wan dɛn we de mek di tin dɛn, fɔ mek shɔ se wan rɛd rɛd we de shayn na monita na di sem rɛd we de shayn na di t-shirt we dɛn print ɔ difrɛn divays, na impɔtant prɔblɛm. Dis na di say we di kɔlɔ spɛshal ɛn dɛn kɔnvɛnshɔn kin bi impɔtant. Sɔm pan di impɔtant wan dɛn we dɛn kɔnvɛnshɔn ya na di transleshɔn bitwin sRGB, di standad fɔ dijital displei, ɛn CIE XYZ, we na divays-indipɛndɛnt fawndeshɔn kɔlɔ spɛs. Di mεtodכlכji fכ dis kכnvכshכn, we dεn rifin ova tεm, bin כtoriti stεndarayz insay wan 2021 כpdet, we gi wan krεs brij bitwin di dijital εn fכshal kכla wכld.

Fɔ biznɛs lɛk Mewayz, we de wok as modular biznɛs OS, dis tɛknikal prɛsishɔn impɔtant. We yu de manej brand ɛtɛt, prodak imej, ɛn makɛt matirial akɔdin to difrɛn pletfɔm dɛn, kɔnsistɛns kɔlɔ ripɔtmɛnt nɔto tin we pɔsin kin tɔk bɔt. Wan yunifayd kɔlɔ ɛkspiriɛns, we dɛn bil pan standad dɛn we pɔsin kin abop pan, de mek shɔ se di brand intɛgriti frɔm wɛbsayt we dɛn de wach na fon to brosho we de kɔmɔt na kɔmɛshɔnal printa.

Ɔndastand di Kɔlɔ Plɛya dɛn: sRGB ɛn CIE XYZ

Fɔ ɔndastand di kɔnvɛnshɔn, wi fɔ no di men pipul dɛn fɔs. sRGB (Standard Red Green Blue) na di difɔlt kɔlɔ spɛs fɔ di wɛb, dijital kamɛra, ɛn bɔku pan di kɔshɔma monita dɛn. I de sho wan patikyula rɛnj, ɔ gamut, fɔ di kɔlɔ dɛn we dɛn divays dɛn ya kin mek bak. pan ɔl we i de ɔlsay, sRGB na smɔl smɔl gamut, we min se i nɔ kin ebul fɔ riprizent ɔl di kɔlɔ dɛn we mɔtalman yay kin si.

Na di ɔda say na CIE XYZ. Na di Intanɛshɔnal Kɔmishɔn fɔ Iluminɛshɔn (CIE) bin mek am insay 1931, XYZ nɔto kɔlɔ spɛs we dɛn tay to ɛni divays. Bifo dat, na mɛtemat mɔdel we dɛn mek fɔ kɔba ɔl di kɔlɔ dɛn we wan tipik mɔtalman kin si. I de sav as wan yunivasal rɛfrɛns pɔynt, wan "Rosetta Stone" fɔ kɔlɔ sayɛns. Fɔ chenj wan kɔlɔ to XYZ tan lɛk fɔ translet wan wɔd to wan yunivasal langwej; frɔm de, dɛn kin translet am kɔrɛkt wan to ɛni ɔda patikyula langwej (ɔ kɔlɔ spɛs).

Di 2021 Stɛndad: Rifayn di Matematik Pathway

Di prɔses fɔ kɔnvɔyt frɔm sRGB to XYZ involv wan siriɔs mɛtemat stɛp. Bifo 2021, di kɔnvɛnshɔn fɔmula dɛn bin dɔn establish fayn fayn wan bɔt dɛn bin de abop pan spɛshal rɛfrɛns valyu dɛn. Di 2021 pɔblikeshɔn we di CIE, we gɛt di taytul "CIE 248:2021 Di Aplikeshɔn fɔ ICC Profayl to sRGB Kɔlɔspɛs Data," nɔ bin riinvent di wil bɔt i bin gi impɔtant klarifyeshɔn ɛn standad di prɛsis valyu dɛn we dɛn fɔ yuz na di kɔlkyulɛshɔn. Dis bin pul di ambiguity ɛn mek shɔ se sɔftwɛl divɛlɔpa ɛn hadwae manifakta dɛn ɔlsay na di wɔl bin de yuz di ɛksaktɔl sem rɛsipɛkt.

Di kɔnvɔshɔn prɔses involv tu impɔtant stej dɛm:

    we dɛn kɔl
  • Linearization (Undoing Gamma Correction): sRGB data na tipikli "gamma encoded" fɔ kip mɔ perceptually yunifom data ɛn fɔ kɔmpɛns di nɔ-layn rispɔns fɔ ol monita dɛn. di fכs step na fכ aplay wan rivεs gama fכnshכn fכ kכnvכlt di sRGB valyu dεm to linya layt valyu dεm.
  • Matriks Transfכmeshכn: Dɔn dɛn kin multiply di linyarayz RGB valyu dɛn wit wan spɛsifi k 3x3 matris. Dis matris, we dɛn difayn wit ay prɛsishɔn insay di 2021 standad, de transfɔm di linya sRGB valyu dɛn to di kɔrɛspɔndɛns XYZ valyu dɛn bays pan di wayt pɔynt ɛn praymari dɛn we dɛn gri pan.
"Di 2021 rɛkɛmɔndeshɔn de gi di difinitiv rɛfrɛns fɔ kɔnvɔyt sRGB data, fɔ mek shɔ se kɔnsistɛns akɔdin to difrɛn imej sistɛm ɛn aplikeshɔn dɛn. Na impɔtant spɛsifikɛshɔn fɔ ɛnibɔdi we de wok pan kɔlɔ manejmɛnt." — Sɔma fɔ CIE 248:2021 minin. we yu kin yuz

Wetin Mek Dis Prɛsishɔn Impɔtant fɔ Biznɛs Ɔpreshɔn

Yu kin wɔnda aw wan ayli tɛknikal kɔlɔ kɔnvɔshɔn standad de impɔk wan biznɛs pletfɔm. Di ansa de pan kɔnsistɛns ɛn efyushɔn. Insay wan modular ɔpreshɔn sistɛm lɛk Mewayz, usay difrɛn biznɛs fɛnshɔn dɛn—frɔm CRM to ɛtɛt manejmɛnt—dɛn intagret, kɔlɔ fideliti na saylɛnt bɔt impɔtant kɔmpɔnɛnt fɔ kwaliti kɔntrol.

💡 DID YOU KNOW?

Mewayz replaces 8+ business tools in one platform

CRM · Invoicing · HR · Projects · Booking · eCommerce · POS · Analytics. Free forever plan available.

Start Free →

Tink bɔt wan kɔmni we de yuz Mewayz fɔ manej in glob ɔl makɛt kampen dɛn. Wan prodak imej we dɛn ɔplod to di dijital ɛset mɛnejɛmɛnt mɔdyul fɔ luk di sem we dɛn pul am insay wɛb pej tɛmplat, soshal midia schedul, ɛn PDF jenɛra we rɛdi fɔ print. Ɛni wan pan dɛn autput ya de yuz difrɛn kɔlɔ spɛs (sRGB fɔ wɛb, CMYK fɔ print). Bay we i de yuz robust, standad kɔnvɛnshɔn dɛn lɛk di sRGB-to-XYZ path, Mewayz kin mek shɔ se di kɔr kɔlɔ data de kip kɔrɛkt wan as i de flɔ bitwin mɔdyul ɛn ɔtput fɔmat dɛn. Dis de pul di mistek dɛn we de tek bɔku mɔni, i de ridyus di rivishɔn saykl dɛn, ɛn i de mek di brand in prɔfɛshɔnal intɛgriti, ɔl dis we di pɔsin we de yuz am nɔ ɛva nid fɔ ɔndastand di ɔndalayn matematiks.

In esεns, di 2021 rifinεmεnt כf di sRGB to XYZ kכnvכshכn na mכr dan tεknikal futnot; na fawndeshɔn ɛlimɛnt we de sɔpɔt di simpul, kɔrɛkt, ɛn pɔshɔnal manejmɛnt fɔ dijital kɔntinyu na tide intakɔnekt biznɛs ɛnvayrɔmɛnt. Fɔ pletfɔm dɛn we kɔmit to modularity ɛn rilaybiliti, dis kayn prɛsishɔn nɔto opshɔnal—i impɔtant.

Kwɛshɔn dɛn we dɛn kin aks bɔku tɛm

Frɔm Skrin to Stɛndad: Di Brij fɔ Kɔnvɔshɔn fɔ Kɔlɔ

Na di dijital wɔl, kɔlɔ na langwej. Fɔ di wan dɛn we de mek dizayn, di wan dɛn we de tek pikchɔ, ɛn di wan dɛn we de mek di tin dɛn, fɔ mek shɔ se wan rɛd rɛd we de shayn na monita na di sem rɛd we de shayn na di t-shirt we dɛn print ɔ difrɛn divays, na impɔtant prɔblɛm. Dis na di say we di kɔlɔ spɛshal ɛn dɛn kɔnvɛnshɔn kin bi impɔtant. Sɔm pan di impɔtant wan dɛn we dɛn kɔnvɛnshɔn ya na di transleshɔn bitwin sRGB, di standad fɔ dijital displei, ɛn CIE XYZ, we na divays-indipɛndɛnt fawndeshɔn kɔlɔ spɛs. Di mεtodכlכji fכ dis kכnvכshכn, we dεn rifin ova tεm, bin כtoriti stεndarayz insay wan 2021 כpdet, we gi wan krεs brij bitwin di dijital εn fכshal kכla wכld.

Ɔndastand di Kɔlɔ Plɛya dɛn: sRGB ɛn CIE XYZ

Fɔ ɔndastand di kɔnvɛnshɔn, wi fɔ no di men pipul dɛn fɔs. sRGB (Standard Red Green Blue) na di difɔlt kɔlɔ spɛs fɔ di wɛb, dijital kamɛra, ɛn bɔku pan di kɔshɔma monita dɛn. I de sho wan patikyula rɛnj, ɔ gamut, fɔ di kɔlɔ dɛn we dɛn divays dɛn ya kin mek bak. pan ɔl we i de ɔlsay, sRGB na smɔl smɔl gamut, we min se i nɔ kin ebul fɔ riprizent ɔl di kɔlɔ dɛn we mɔtalman yay kin si.

Di 2021 Stɛndad: Rifayn di Matematik Pathway

Di prɔses fɔ kɔnvɔyt frɔm sRGB to XYZ involv wan siriɔs mɛtemat stɛp. Bifo 2021, di kɔnvɛnshɔn fɔmula dɛn bin dɔn establish fayn fayn wan bɔt dɛn bin de abop pan spɛshal rɛfrɛns valyu dɛn. Di 2021 pɔblikeshɔn we di CIE, we gɛt di taytul "CIE 248:2021 Di Aplikeshɔn fɔ ICC Profayl to sRGB Kɔlɔspɛs Data," nɔ bin riinvent di wil bɔt i bin gi impɔtant klarifyeshɔn ɛn standad di prɛsis valyu dɛn we dɛn fɔ yuz na di kɔlkyulɛshɔn. Dis bin pul di ambiguity ɛn mek shɔ se sɔftwɛl divɛlɔpa ɛn hadwae manifakta dɛn ɔlsay na di wɔl bin de yuz di ɛksaktɔl sem rɛsipɛkt.

Wetin Mek Dis Prɛsishɔn Impɔtant fɔ Biznɛs Ɔpreshɔn

Yu kin wɔnda aw wan ayli tɛknikal kɔlɔ kɔnvɔshɔn standad de impɔk wan biznɛs pletfɔm. Di ansa de pan kɔnsistɛns ɛn efyushɔn. Insay wan modular ɔpreshɔn sistɛm lɛk Mewayz, usay difrɛn biznɛs fɛnshɔn dɛn—frɔm CRM to ɛtɛt manejmɛnt—dɛn intagret, kɔlɔ fideliti na saylɛnt bɔt impɔtant kɔmpɔnɛnt fɔ kwaliti kɔntrol.

Bil Yu Biznɛs OS Tide

Frɔm frilansa to ɛjɛnshi, Mewayz de pawa 138,000+ biznɛs wit 207 intagreted modul. Start fri, ɔpgrɛd we yu de gro.

Kriɛt Fri Akɔn →
, we yu kin yuz