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Kaj je resolucijo človeškega očesa? Koliko slikovnih pik?
Najprej, želim začeti z stat, da človeško oko je analogna struktura in ni povsem mogoče izmeriti z velikostjo pixel prsten mandat. Vision center v možganih ni pereive glede informacij iz oči kot film zavese. Ustvari sliko s komentiranjem glede informacij iz možganov. Ta slika se nenehno Osveži, odvisno od hitrosti nevronov, ki gredo v možgane, tj nerand celic.
Na primer, če menimo, da je vrednost fps (stojalo po seconda), 30fps v video film je dovolj za naše oči, da vidite slike popolnoma tekoče. Vendar to ne pomeni, da je človeško oko 30fps. Človeško oko ima določene minimalne vrednosti, in ko pogledate mimo predmet, ki je hitrejši od te vrednosti, ne more kapitan njegovo gibanje in se vidijo kot nič je minilo. Kamere z visoko roleta hiter vozač, uporabljajo danes, gibanje bullet lahko enostavno examained v milisekundah.
Naredimo lahko preprost test hitrosti človeško oko. Najprej bi vertikalna sinhronizacija pogostost računalniškega monitorja CRT (katodna cev) do 60 Hz. Uganjati to, desni klik na namizju in izberete lastnosti in sledite monitor tabs v postranski postavljanje Hz. Ko imajo na 60 Hz, Poglej na zaslonu na razdalji 30cm, osredotočiti na predmet na strani monitor, vendar glej monitor s konico očesa. Morda ste opazili, kako osveževanja zaslona, ki se običajno ne počutite, ko iščete naravnost skenirane od vrha do dna. Če opazite 60 Hz, medtem ko iščete na to običajno, poskusite na 75 Hz. Jaz zmorem sam na 75 Hz, ampak ne vidim vse več strani prehodov pri 85 Hz in zgoraj. Hitrost oko lahko razlikujejo od osebe do posameznih. Ljudje, ki nenehno sledijo podrobna in premikanje stvari s svojimi očmi in delo zelo carely z visoko-oči refleksi so hitreje videli.
Mrežnica senzorji svetlobe naše oči je membrana, ki sestoji iz nevronske strukture. Velikost digitalnih fotoaparatov, kot tudi senzorji so svetlobe senzorji v mrežnici. V resnici, v jamo del mrežnice (fovea), številke Ti senzorji so bolj kot druge regije in svetlobe, ki pada na mrežnici je stisnjen v možgane. Da je zakaj gledamo na nas včasih in vidimo, kako so. Celice svetlobno tipalo v naše oči (ali slikovnih pik) je oprošteno kakovost vida, tako dolgo, kot je zgoraj določeno kritično vrednost. Ker možganov dopolnjuje podobo. Tudi če nimamo eno oko, naše ločljivost slike ni deccreased, samo malo globino občutek izgine. Ne vidimo, da del slike manjka, tudi v primerih, kjer večina svetlo celice v oči so ruained, ki se imenuje "Mrežnice". Lahko gledamo na to kot to: vi ste zaključni pol leče na fotoaparatu, vendar boste še vedno videli sliko za polno; Ker fotoaparata procesor zaključi manjkajoči del.
Izrazi vizijo zmogljivosti v oči kot megapiels, je treba preskusiti oči receptorje v slikovnih pikah, razmišljanje o tem, kaj ravni podrobnosti, lahko ustvarite možganov. Človeško oko je majhen organ in počne vse stvari z malo količino svetlobe, ki prihaja na njem. Vendar leče visoko-megapixel kamere so precej velike, in glede na to, vidijo veliko bolj razsvetljeni površine temne scene kot človeško oko. Možno je, da jasno povedati, da če ste vzeli najvišjo stopnjo megapixel z oči velika objektiv in nato potegnite fotografijo in primerjati z isto pokrajino, sem prepričan, človeško oko lahko več podrobnosti in. Fotografijo, ki jih digitalni stroj bo treba razumeti, da to moči kapitan veliko manj podrobnosti, če se fotografirali in preučiti na enak način, da so ljudje videli brez povečave.
Zato človeško oko je organ, ki je preveč popolna, da se v primerjavi s podobo umetne leče. Vendar digitalnih podatkov lahko izrazimo kot megapiels. Če zgoraj navedeni pogoji lahko izvede izračun z dajanjem vrednost približno. Vendar naj ne bomo sposobni razmišljati, da izraz megapiels ni nič, ampak koncept, ki prikazuje, koliko točk dejansko prikazana v sceno. Seveda, več pik bo videti, podrobnejše je, ampak primerjavo delež človeškega očesa, je treba notranjimi predmet kot predmet glavnih raziskovalnih in investiggate in eksperimentalni v laboratorijskih pogojih.
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svenska
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ไทย
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việt
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Suomalainen
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