Yuav ua li cas saib cov duab tso suab: cov lus qhia rau cov pib tshiab. Stereo duab rau lub qhov muag

2024 Tus sau: Priscilla Miln | [email protected]. Kawg hloov kho: 2024-02-18 01:25

Xyaum txhua tus neeg hauv ntiaj teb muaj lub peev xwm zoo kawg nkaus kom pom cov duab peb sab hauv daim duab tiaj tus. Qhov peev xwm no tau tshwm sim los ntawm kev pom lub ntsej muag binocular, uas yuav tsum tau kawm ua ntu zus. Qhov no tuaj yeem ua tiav siv cov duab tso suab. Lawv siv los ua neeg nyiam heev, tab sis tam sim no tsis yog txhua tus paub saib cov duab tso suab.

Stereo duab - yog dab tsi?

Ib daim duab tso suab yog daim duab tiaj tus uas koj tuaj yeem pom cov duab peb sab nrog lub qhov muag tsom. Qhov kev pom pom zoo kawg no tau ua tiav ua tsaug rau qhov peculiarity ntawm tib neeg lub zeem muag.

Nws tau tshawb pom rov qab rau xyoo 1836. Nws yog thaum ntawd cov duab tso suab thawj zaug tau tshwm sim, uas muaj ob daim duab me me sib cais rau sab laug thiab sab xis. Lawv tau nyob ntawm qhov deb ntawm 6.5 cm ntawm ib leeg, uas yog sib npaug ntawm qhov nruab nrab ntawm obtib neeg ob lub qhov muag.

Nws ua haujlwm li cas?

Tus txiv neej ntsia lub ntiaj teb nrog ob lub qhov muag. Lawv txhua tus pom tej yam thiab tej khoom ntawm lawv tus kheej lub kaum sab xis. Tab sis lub paj hlwb, tau txais ob daim duab sib txawv, muab tso rau hauv ib qho tag nrho. Nws yog qhov tshwj xeeb no uas qhia txog kev tsim cov duab tso suab.

Ib daim duab tso suab yog ib daim duab uas muaj rov ua dua, yuav luag zoo ib yam. Thaum ua tiav lawv, lub hlwb tsis raug txuas cov ntsiab lus ntawm qhov tshwm sim ntawm qhov ntsia thiab lub kaum sab xis ntawm tus neeg saib ntawm daim duab. Yog li ntawd, ib hom kev kho qhov muag tsis pom kev tau txais, uas daim duab tiaj tus hloov mus ua 3D duab.

Ntxiv mus, tus neeg sai dua yuav saib cov duab tso suab, nws yuav yooj yim dua rau nws pom lawv yav tom ntej. Tab sis rau kev txhim kho ntawm binary tsis pom kev, kev kawm tas li rau lub qhov muag yog xav tau.

Yam duab tso suab

Ua ntej teb cov lus nug ntawm yuav ua li cas kawm saib cov duab tso suab, koj yuav tsum paub koj tus kheej nrog lawv cov kev faib tawm. Qhov tseeb yog tias cov duab sib txawv yuav tsum tau saib cov tswv yim sib txawv, thiab qee qhov tseem xav tau cov cuab yeej tshwj xeeb.

Nyob ntawm cov duab tso suab:

ob

obstereo dluab yog thawj cov duab nrog ib tug stereo nyhuv. Txhawm rau pom dab tsi zais ntawm lawv, koj tsuas yog yuav tsum txuas lawv.

ob xim

Cov duab zoo li no raug coj los siv ntau lub teeb lim. Cov lim dej feem ntau siv yog xim liab, xiav thiab ntsuab. Txhawm rau pom cov duab peb sab ntawm lawv, koj yuav tsum hnav tsom iav tshwj xeeb.

Multi-element

Multi-element stereo dluab feem ntau yog siv rau kev kawm qhov muag. Lawv sawv cev los ntawm cov duab tiaj tus, muaj ntau yam me me zoo sib xws.

Stereograms raws li random dots lossis textures

Tsis zoo li dual stereography, random point stereograms muaj 1 duab.

Stereograms raws li cov ntawv cim random

Lawv tuaj yeem tsim tau manually hauv cov ntawv nyeem tsis tu ncua lossis tau txais hauv lub tshuab hluav taws xob tshwj xeeb. Cov duab zoo li no suav nrog cov ntawv sau ua ntu zus xws li "/", "", """ thiab lwm yam.

Tag nrho cov hom no yog "tseeb" thiab autostereography. Txawm li cas los xij, kuj tseem muaj "pseudosterocopy", uas tseem tso cai rau koj los tsim qhov pom ntawm cov duab peb sab. Piv txwv li, tag nrho cov tib GIF-animation, uas koj tsis tas yuav paub yuav ua li cas kawm saib cov duab tso suab. Txij li cov duab volumetric tuaj yeem pom txawm tias pom kev pom.

Txoj kev ntawm autostereography

Yog ib tug neeg tsis paub yuav ua li cas saib stereo dluab, nws yuav pom ntau yam tsis muaj kev cuam tshuamcov ntsiab lus. Cov duab tso suab muaj tsuas yog cov ntaub ntawv peb-dimensional. Lawv tsis muaj cov ntaub ntawv hais txog qhov ci thiab xim uas paub txog cov duab. Yog li ntawd, tib daim duab tuaj yeem tsim rau hauv cov duab sib txawv - nrog cov khoom sib txawv, xim thiab qhov sib txawv.

Qhov tseeb, cov duab tso suab rau lub qhov muag yog lub teeb liab rau lub hlwb txog qhov xav tau los txiav txim siab cov ntaub ntawv uas lawv muaj. Yog li ntawd, lawv tuaj yeem raug ntaus nqi rau kev pom cov ntaub ntawv nkaus xwb, vim tias tsis muaj kev nkag siab zoo lawv tsis nqa cov ntaub ntawv hauv lawv tus kheej. Txawm li cas los xij, kwv yees li 70% ntawm cov neeg hauv ntiaj teb tuaj yeem pom cov duab peb sab ntawm daim duab tiaj tus. Yog li ntawd, txawm tias cov neeg uas paub yuav ua li cas kom zoo saib cov duab tso suab rau lub qhov muag yuav tsuas tsis muaj peev xwm. Txawm hais tias koj siv zog npaum li cas, koj tuaj yeem cob qhia koj lub hlwb kom ua tiav cov ntaub ntawv thiab pom cov qauv zais.

Yuav ua li cas saib cov duab tso suab rau cov pib tshiab?

Muaj ntau txoj hauv kev los saib cov duab tso suab rau cov pib tshiab. Thiab cov duab rau lawv txhua tus yog txawv. Yog li ntawd, yog tias thawj zaug koj tsis tau tswj kom pom cov duab zais, nws yog qhov ua tau tias koj tsuas siv qhov yuam kev los saib daim duab.

Txoj kev rau saib cov duab tso suab:

• Parallel.
• Nkauj.

Yuav ua li cas saib cov duab tso suab kom raug? Rau cov menyuam yaus, txoj haujlwm no yooj yim dua. Qhov tseeb yog tias cov neeg laus lub hlwb tau siv los saib thiab pom cov khoom raws li kev paub dhau los. Kev xaav ntawm tus menyuam hauv qhov no yog hloov tau yooj yim dua. Yog li ntawd, cov neeg uas saib stereograms thaum yau,Tom qab ob peb qhov kev tawm dag zog, lawv tuaj yeem rov ua qhov no yooj yim thaum neeg laus.

Parallel method

Txhawm rau saib daim duab zais hauv qhov sib npaug, koj yuav tsum nqa daim duab hauv koj txhais tes (yog tias ua tau) thiab tsom koj ob lub qhov muag tsis yog ntawm nws, tab sis ntawm qhov taw tes nyob tom qab. Hauv qhov no, cov kab pom ntawm qhov muag sib txawv yuav tsum khiav mus rau qhov sib npaug. Qhov ntawd yog, koj yuav tsum tau sim saib zoo li hauv daim duab.

Nws nyuaj heev los saib ib yam khoom uas txawv txawv thawj zaug. Txhawm rau "tso" lub zeem muag, koj yuav tsum defocus koj ob lub qhov muag. Tom qab ntawd koj yuav tsum nqa daim duab ze rau ntawm koj lub ntsej muag thiab pib maj mam, maj mam txav nws mus. Nyob rau hauv rooj plaub no, koj yuav tsum tau sim ua kom lub ntsej muag kho kom haum. Nws yuav zoo li yuav siv ntau qhov kev sim kom pom tseeb pom tus qauv zais.

Txawm li cas los xij, muaj cov duab tso suab convex, tab sis yuav ua li cas saib cov concave? Yuav kom lub convex ua concave, thiab vice versa, koj kuj yuav tsum tau tsom mus rau ib tug taw tes tom qab daim duab. Txawm li cas los xij, cov kab pom yuav tsum sib tshuam. Yuav ua kom yooj yim dua, koj tuaj yeem xav tias koj tab tom saib tib daim duab, tab sis tsuas yog los ntawm sab nraud xwb.

Stereo duab cross-view method

Txoj kev thib ob los saib cov duab tso suab rau cov neeg pib tshiab yog qhov txawv me ntsis ntawm qhov dhau los. Nyob rau hauv nws, lub ntsia yuav tsum tau tsom tsis yog qab daim duab, tab sis nyob rau hauv pem hauv ntej ntawm nws - ntawm ib tug taw tes uas yog nyob rau hauv nruab nrab ntawm daim duab thiab ob lub qhov muag.

Ntau tus neeg xav txog txoj kev no nyuaj dua, vim qhov tseeb koj xav tauabstract los ntawm stereogram thiab saib pem hauv ntej ntawm nws. Ua li no, koj yuav tsum tso daim duab ntawm lub ntsej muag ntawm caj npab ntev. Tom qab ntawd, txog 25-30 cm ntawm lub qhov ntswg, koj yuav tsum tau muab ib tug cwj mem (los yog lwm yam khoom) kom pom tseeb. Nyob rau hauv txoj hauj lwm no, koj yuav tsum tau sim kom ob qho tib si lub tso suab duab thiab cwj mem pom sharply. Tsis muaj ib qho ntawm cov khoom yuav tsum "blur", txwv tsis pub cov duab yuav tsis pom. Yog tias ua tiav lawm, txoj kev hla kev saib yuav qhia koj saib ob lub tso suab dluab ib zaug thiab rau tag nrho.

Lwm txoj hauv kev los saib cov duab tso suab

Cov kev hauv qab no kuj tau muab faib ua pawg sib npaug thiab saib cov pawg. Qee tus ntawm lawv yuav muaj txiaj ntsig zoo rau cov neeg uas tab tom nrhiav yuav ua li cas saib cov duab tso suab hauv lub computer, lwm tus yuav muaj txiaj ntsig rau cov neeg uas tsis tuaj yeem ua tiav cov txiaj ntsig zoo txawm tias nyob rau hauv classic version ntawm stereograms.

Parallel view technique:

1. Sau thiab tso daim duab 20-25 cm deb ntawm phab ntsa lossis lwm qhov chaw tiaj tus. Txav deb ntawm nws ntawm qhov deb. Tam sim no koj yuav tsum tsom rau ntawm phab ntsa tom qab daim duab.
2. Ncua iav los yog cellophane (zaj duab xis). Superimpose nws ntawm lub tso suab duab thiab mloog zoo rau koj ob lub qhov muag ntawm cov khoom uas muaj kev cuam tshuam nyob rau hauv nws.
3. Nqa daim duab kom ze rau ntawm koj lub ntsej muag li sai tau. Kho koj ntsia. Tom qab ntawd, maj mam txav cov duab mus rau qhov deb ntawm 20-25 cm ntawm lub ntsej muag yam tsis hloov qhov tsom xam.

Cross-Scan Method:

1. Nruab nrab ntawm lub vijtsam saib thiab lub ntsej muag koj yuav tsum tso tus cwj memlos yog xaum. Lub qhov muag yuav tsum tau tsom ntsoov rau nws, tab sis qhov ntse ntawm lub tso suab duab yuav tsum tsis txhob poob.
2. Ntawm ib daim ntawm zaj duab xis, iav lossis yas pob tshab, koj yuav tsum tau kos ib lub cim thiab muab tso rau ntawm lub tso suab duab thiab lub ntsej muag. Qhov kev ncua deb ntawm lub stereogram mus rau lub ntsej muag yog 50-60 cm, los ntawm lub ntsej muag mus rau zaj duab xis - 25-30 cm. Qhov taw tes yuav tsum nyob rau hauv qhov chaw raws nraim, vim lub qhov muag yuav tsum tsom rau nws.

qhov muag qhia kev tawm dag zog

Cov duab tso suab yog qhov txawv ntawm qhov muag, yog li qee tus neeg tsis tuaj yeem pom cov duab peb sab yam tsis muaj kev cob qhia. Rau kev cob qhia, koj yuav tsum coj daim iav. Saib ntawm koj qhov kev xav, koj yuav tsum saib rau hauv koj lub qhov muag. Tom qab 10-15 vib nas this, koj yuav tsum smoothly saib daim iav. Qhov kev tawm dag zog no yuav tsum tau rov ua ob peb zaug.

Tom qab ntau qhov kev rov ua dua, nws yuav pom tseeb tias daim iav yog lub tso suab duab, thiab qhov kev xav tau yog qhov tseeb ntawm qhov koj yuav tsum tau tsom koj ob lub qhov muag kom pom qhov sib npaug. Nrog tus ntoo khaub lig, txhua yam yuav tig tawm mus rau lwm txoj hauv kev. Daim iav yog lub ntsiab lus tseem ceeb, qhov kev xav yog duab tso suab.

Cov txiaj ntsig ntawm lub tso suab duab

Tawm tseg qhov tseeb tias kev saib stereograms yog qhov nthuav thiab zoo siab, koj tuaj yeem pom qee qhov muaj txiaj ntsig ntxiv txog qhov haujlwm no. Piv txwv li:

• Kev cob qhia qhov muag los pab tswj qhov pom kev pom.
• zoo rau cov ntshav ncig.
• Tshuaj nro hauv qhov muag cov leeg.
• Txhim kho cov cuab yeej cuab tam.

Yog tias muaj teeb meemCov cuab yeej pom kev (myopia, astigmatism, thiab lwm yam), ophthalmologists pom zoo kom siv cov duab tso suab los tawm dag zog lub qhov muag. Tsis tas li ntawd, nws yuav muaj txiaj ntsig zoo rau cov neeg uas siv sijhawm ntau los saib lub vijtsam saib.

Puas cov duab tso suab puas muaj teeb meem?

Qee tus neeg xav tias saib cov duab tso suab tso rau ntawm qhov muag ntau. Txawm li cas los xij, tsis yog. Ntawm qhov tsis sib xws, nrog kev hloov pauv tas li, cov leeg ntawm lub qhov muag zoo li kev cob qhia, txo qis qhov nro.

Qhov kev puas tsuaj cuam tshuam nrog kev saib cov duab tso suab tsuas yog ua tau thaum saib lawv ntawm cov khoom qub raws li kev siv lub raj xa hluav taws xob cathode. Lawv qhov teeb meem tau raug pov thawj ntev, yog li nws yog qhov zoo dua kom tshem tawm cov khoom siv zoo li no. Tab sis cov duab tso suab luam tawm tsuas yog muaj txiaj ntsig. Ntawm qhov tsis sib xws, lawv yuav tsum tau khaws cia kom tsis txhob muaj kev lom zem xwb, tab sis kuj tiv thaiv qhov tsis pom kev.