3, Binciken halayen hoto na nunin 3D tsirara
1) Naked ido 3D nuni allon mai ƙarfi mai girma uku - firam na gani sakamako
Nunin 3D na ido tsirara yana kawo jin daɗi mai girma uku ga masu sauraro tare da gabatarwar gani na musamman. Idan aka kwatanta da babban nunin allo na LED na gargajiya, me yasa hoton da nunin 3D na ido tsirara zai sa mutane su ji zurfin hankali mai girma uku? Wasu mutane na iya tunanin cewa hakan ya faru ne saboda ƙirar kunnen kare ta allon, amma ko da a cikin allon da ba a kunnen kare ba, har yanzu muna iya samun tasiri mai mahimmanci na 3D.
Domin amsa wannan tambayar, da farko za mu tattauna wani muhimmin abu a cikin fasahar nunin 3D mai ido tsirara: tsarawa. Tasirin ƙira shine cewa babban ɓangaren zanen yatsa ya bayyana yana "tashi" a waje da iyakokin firam, wanda ke yaudarar idanunmu da wayo don haka yana shafar fahimtar kwakwalwarmu.
A cikin rayuwar yau da kullun, muna haɗuwa da TV, wayoyin hannu da kwamfutoci da sauran na'urorin nuni, hoto yawanci yana iyakance ga firam. Kasancewar wannan iyakar ya sa mu zama yarjejeniya: ya kamata hoton ya bayyana a cikin iyakar. Mai zanen yana cin gajiyar wannan tsammanin tunani, ta hanyar wucin gadi yana ƙara tasirin gani na kan iyaka a cikin hoton.
Lokacin da batun da ke cikin hoton ya ke wajen tsarin saiti a cikin kwakwalwarmu, wannan bambanci na gani yana ba mu ma'anar 3D mai ƙarfi. Wannan hanyar ƙirar firam ɗin ba wai kawai ke karya ta hanyar iyakacin hoto na al'ada ba, har ma yana kawo mana sabon ƙwarewa mai zurfi a gani.
2) Na musamman aikin na ido tsirara 3D nuni allon - bincike na murdiya sabon abu na allon.
Fasahar 3D da ake kira tsirara-ido na yanzu ba 3D na ido tsirara ba ce a zahiri. Wannan nau'in nunin zai iya nuna ma'ana mai girma uku kawai lokacin da mai kallo ya kasance a takamaiman kusurwa kuma yana kunna takamaiman bidiyon da aka keɓance don babban allo. Da zarar kusurwar kallo ko abun ciki na bidiyo bai cika waɗannan takamaiman sharuɗɗan ba, hoton zai bayyana a murguɗe.
Samar da abun ciki don tsirara-ido babban allo 3D tsari ne mai rikitarwa. Da farko dai ma'aikatan da ke samarwa suna buƙatar tantance kusurwar kallo na masu sauraro, wanda ya haɗa da tsayawa, zama da kai tsayin harbin wayar hannu, da dai sauransu, kuma su haɗa waɗannan jeri don samun matsakaicin darajar. Sa'an nan kuma, bisa ga tsarin allon don fadada sararin samaniya, gina wurin, kuma a ƙarshe sanya bidiyon da ya dace don kunna a cikin babban allo. Wannan tsari yana buƙatar ba kawai ilimin fasaha na musamman ba, amma har ma da zurfin fahimtar dabi'un kallo da hangen nesa na masu sauraro.
3) Zurfin fara'a na ido tsirara 3D nuni allon - ƙirƙirar sararin ciki
A cikin aiwatar da aiwatar da tasirin nunin 3D tsirara, ƙirƙirar sararin ciki ya zama mahimman hanyoyin fasaha, wanda zai iya haifar da zurfin zurfin hoto, don ƙirƙirar tasirin gani mai girma uku. A takaice, sararin ciki yana kan jirgin sama ko saman, ta hanyar takamaiman abubuwan gani da fasaha na ƙira, don gina ma'ana mai zurfi mai girma uku.
A matsayin misali don misalta wannan ra'ayi, za mu iya tunanin wani jirgin sama mai duhu wanda, lokacin da aka ƙara wasu layuka da wayo a cikinsa, nan take ya ɗauki zurfin sararin samaniya. Wannan fasaha mai sauƙi da tasiri shine bayyanar da hankali na ƙirƙirar sararin samaniya.
Ko a cikin samar da lebur ko mai lankwasa babban abun ciki na bidiyo na allo, za mu iya ganin cewa ana amfani da wannan dabarar ƙirƙirar sararin ciki sosai. Ta hanyar da aka tsara a tsanake tsarar tsari da haske da tasirin inuwa, ciki na allon yana da alama an ba shi tsarin sararin samaniya mai girma uku, ta yadda masu sauraro za su iya jin zurfin zurfi da ma'ana mai girma uku lokacin kallo. Yin amfani da wannan fasaha ba wai kawai inganta tasirin gani na 3D na ido tsirara ba, har ma yana ba masu sauraro damar samun ƙwarewar kallo mai zurfi.
4, Naked ido 3D manufa
Ka'idar 3D mai ido tsirara ta dogara ne akan ka'idar parallax na ido na ɗan adam, wanda ke haifar da ma'anar zurfin ta hanyar samar da hotuna daban-daban don idanun hagu da dama. Mai zuwa shine cikakken bayani na ƙa'idar 3D mai ido tsirara, ta yin amfani da wakilci da ƙaddamarwa:
1) Ka'idodin parallax na binocular
Akwai tazara tsakanin idanuwa, don haka idan aka kalli abu, kowane ido yana ganin hoto daban. Kwakwalwa tana aiwatar da waɗannan hotuna daban-daban guda biyu don haifar da ma'ana mai girma uku.
2) Naked-ido 3D fasahar nuni
Fasahar nunin ido ta 3D mai tsiraicin tana amfani da sifofi na musamman na gani da kuma hanyoyin nuni waɗanda ke ba da damar idanun hagu da dama don ganin hotuna daban-daban a lokaci guda, ba tare da buƙatar sanya wasu na'urori masu taimako kamar gilashin 3D ba.
3) Hanyoyin fasaha na yau da kullum
Slit raster: Ana sanya slit raster a gaban allon don raba hoton da ake gani na idon hagu da na dama ta hanyar toshewa, samar da hoton 3D.
Lens Silindrical: Yin amfani da ƙa'idar refraction na ruwan tabarau, pixels masu dacewa da idanu na hagu da na dama ana hasashe su zuwa hagu da idanun dama bi da bi don cimma tasirin rabuwar hoto.
Nuna tushen haske: Daidaita sarrafa saitin fuska biyu don aiwatar da hotuna zuwa idanun hagu da dama kuma hanya ce ta cimma 3D mara ido.
4) Sauran hanyoyin fasaha
Fasahar allo na gani: An ƙirƙiri jerin raƙuman ruwa a tsaye ta amfani da nunin sauyawa, fim ɗin polarizing, da Layer nunin polymer don ƙirƙirar shingen parallax wanda ke ba da damar hagu da dama idanu don duba hotuna daban-daban.
Ka'idar Lorentz: Ana karkatar da haske ta hanyar ƴan ƙullun kan allon ta yadda idanun hagu da dama su ga pixels daban-daban.
Ƙalubalen fasaha da ci gaba: Fasahar 3D mara gilashi har yanzu tana fuskantar wasu ƙalubale, kamar ƙayyadaddun ƙayyadaddun kusurwa, asarar ƙuduri, da farashin masana'anta. Tare da ci gaban fasaha, ƙwarewar kallon ido na na'urorin nuni na 3D za su ci gaba da ingantawa, kuma za a kara fadada filin aikace-aikacen.
Ta hanyar kwaikwayon ƙa'idar parallax na idanun ɗan adam, fasahar 3D mai ido tsirara tana amfani da fasahar gani iri-iri da fasaha na nuni don gane hoton mai girma uku wanda za'a iya kallo ba tare da saka kayan taimako ba. Wannan fasaha tana da fa'idodin aikace-aikace masu yawa a cikin nishaɗi, talla, ilimi da sauran fannoni.
(A ci gaba)
Lokacin aikawa: Jul-03-2024