Umthombo: Sina Technology Synthesis
Ukusetyenziswa kwekhamera enye ukufezekisa ukufota okungacacanga akukho nto intsha, yangaphambiliIPhone XRkwaye ngaphambiliI-Pixel kaGoogle 2baye benza iinzame ezifanayo.
I-Apple entsha ye-iPhone SE iyafana, kodwa yayoikhameraelement indala kakhulu, eyona khredithi iphambili ikwi-algorithm.
Ukusuka kwingxelo ye-disassembly ye-iFixit, siyabona ukuba ezinye iindawo kwi-iPhone SE entsha ziyahambelana ngokupheleleyoiphone 8, nokuba zinokusetyenziswa ngokutshintshanayo-kuquka i-engile ebanzi ye-12-megapixelikhamera .
Ukwenza 'iwayini entsha kwiibhotile ezindala' ayiqhelekanga kwi-iPhone SE.Ukubuyela kwiminyaka emine edlulileyo, isizukulwana sokuqala se-iPhone SE siphinde sasebenzisa ukubonakala kwe-5 kunye neninzi ye-hardware, ngoko i-Apple inokunika ixabiso eliphantsi.
Ngokwethiyori, xa ukhuphela ihardware yekhamera efanayo, iikhameraiimpawu zezi zibini azifanele zihluke kakhulu.Umzekelo,iphone 8ayikuxhasi ukuthatha ubunzulu obuncinci beefoto zentsimi kunye nesihloko esicacileyo kunye nemvelaphi engacacanga, into esihlala siyibiza ngokuthi "imowudi ye-portrait".
Kodwa xa ujonga kwiphepha lenkxaso le-Apple, uya kufumanisa ukuba imo ye-portrait engaxhaswanga yiiphone 8ixhaswa yi-iPhone SE entsha-nokuba iinkcazo zelensi zangasemva ziyafana ncam.
Phantsi kweemeko eziqhelekileyo, ukuthatha iifoto eziluzizi kwifowuni ephathwayo kuhlala kufuna ukwenziwa ziikhamera ezimbini-njengamehlo omntu, ifowuni ephathwayo ikwafuna ukufumana imifanekiso emibini kwii-engile ezahlukeneyo ngokusebenzisa iilensi ezimbini kwiindawo ezahlukeneyo, emva koko udibanise ii-engile. jonga Umahluko uqikelela ubunzulu bendawo ukuze kuphunyezwe ukufiphala okungasemva kunye nokugcina umxholo ucacile.
Uthotho lwe-Plus kuluhlu, okanye i-X, i-XS, kunye ne-11 kwiminyaka yakutshanje, ngokusisiseko zixhomekeke kwiinkqubo zeekhamera ezininzi ukugqiba ukudutyulwa kwe-portrait.
Ke ikhamera ye-iPhone yangaphambili isombulula njani?Undoqo ulele kwiprojector ye-infrared dot matrix kwisistim ye-Face ID, enokufumana kwakhona idatha yobunzulu obuchanekileyo ngokwaneleyo, elingana 'ne-lens encedisayo'.
Ukusuka kulo mbono, i-iPhone SE inokuthatha iifoto zemowudi ye-portrait ikhethekileyo kakhulu: okokuqala, ayithathi izithonga ezininzi, okwesibini, ayinayo i-ID yoBuso, akukho nto inokwenzeka yenkxaso ye-hardware.
Kuyabonakala ukuba, iApple yenze utshintsho oluthile esingenakulubona kwinqanaba lesoftware.
Kutshanje, uBen Sandofsky, umphuhlisi wesicelo sekhamera yomntu wesithathu, uHalide, utyhile imigaqo yobugcisa, echaza ukuba kutheni i-iPhone SE entsha isebenzisa ingcaciso yelensi enye njengeiphone 8, kodwa inokufikelela kwimowudi yefoto ye-portrait engakwaziyo .
Batsho ukuba i-iPhone SE entsha kusenokwenzeka ukuba ibe 'yi-iPhone yokuqala enokuvelisa i-portrait blur effect isebenzisa kuphela umfanekiso omnye we-2D'.
Ungatsho ukubaIPhone XRKwakhona ayilomfiliba wekhamera enye.Ngaba uSE akayikhupheli nje?
Nangona kunjalo, imeko yokudilizwa ibonise ukubaiikhameraye iPhone SE kunyeIPhone XRazihambelani, nto leyo ekhokelela kwiyantlukwano ekuphunyezweni kobugcisa kwezi zimbini.
▲I-Samsung Galaxy S7Uthotho sisixhobo sokuqala esisebenzisa itekhnoloji yeDPAF kwi-smartphoneikhamera
Eyona ngongoma ibalulekileyo kukubaikhamerayeIPhone XRinokusebenzisa itekhnoloji ye-pixel autofocus (DPAF), eyivumela ukuba ifumane ubunzulu bedatha ethile esekwe kwihardware.
Ngamagama alula, iteknoloji yeDPAF ilingana nokwahlula i-pixel kwiikhameraInzwa kwiipikseli ezimbini ezincinci zecala-nge-cala ukuze ubambe iifoto ezimbini ezineengile ezahlukeneyo, njengamehlo ethu asekhohlo nasekunene.
Nangona umahluko we-engile oveliswa yile nto awucacanga njengaleyo ye-doalikhamera, kusekho i-algorithm yokuvelisa idatha enzulu.
▲Google Pixel 2, 3Iimephu ezimbini zokwahlukana ezifunyenwe kusetyenziswa ubuchwepheshe be-DPAF kunzima kwiliso lenyama
bona, kodwa usenokunceda ialgorithm yokwahlulwa komfanekiso ukwenza izigwebo
Ngaphambili,Uphandoiphinde yasebenzisa le teknoloji kwiI-Pixel 2, 3ukufikelela kwi-blur-shot enye.KwiI-Pixel4, ngenxa yokuba ikhamera ithathelwe indawo yinkcazo yeekhamera ezininzi, ukufunyanwa kweparallax kuchaneke kakhulu kunekhamera enye.
▲ Makhe sijonge idatha efunyenwe yiPixel 4 usebenzisa iikhamera ezimbini.
Ngokubhekiselele kwi-iPhone SE entsha, ngenxa yokuba izinzwa zayo zindala kakhulu, i-Halide ibango lokuba ayinakuthembela kwi-sensors ukufumana iimephu zokungafani, kwaye ngokusisiseko inokuxhomekeka kuphela kwi-algorithm yokufunda yomatshini ebonelelwa yi-chip ye-A13 Bionic ukulinganisa kunye nokuvelisa idatha enzulu. iimephu.
Enye inkcazo yesivakalisi kukuba i-iPhone SE i-portrait blur shooting iphunyezwa ngokupheleleyo ngesoftware kunye ne-algorithms.
▲ Thatha lo mfanekiso ngqoIPhone XRkunye ne-iPhone SE entsha
UHalide wasebenzisa iIPhone XRkunye iPhone SE entsha ukuthatha umfanekiso injana (hayi shot real, nje ukuthatha umfanekiso 'enye photo'), uze uthelekise ubunzulu data imifanekiso emibini.
Bafumanisa ukubaIPhone XRwenze nje isahlulo somfanekiso olula ukukhupha umzimba ophambili, kodwa akazange aqonde ngokuchanekileyo indlebe yenjana.
▲ Igrafu yedatha yobunzulu,IPhone XRngasekhohlo, i-iPhone SE entsha ngasekunene
Kodwa kwi-iPhone SE entsha, kunye ne-algorithm entsha enikezwe yi-chip ye-A13, sifumene imephu enzulu eyahluke ngokupheleleyoXR.Ayiqapheli ngokuchanekileyo nje iindlebe zenjana kunye nolwandlalo olupheleleyo, kodwa iphinda iqhubele phambili imvelaphi eyahlukeneyo.
Olu hlobo lobunzulu bemephu aluchanekanga nge-100%.UHalide uthe ukuchaneka kokusikwa kunye nokufiphala kwe-iPhone SE entsha xa udubula iifoto ezimnyama ezinobuso azichanekanga njengaxa uthatha imifanekiso.
Ngokukodwa kwimeko apho ezinye izifundo kunye nemifanekiso yangasemva imnyama kakhulu, inzuzo yeekhamera ezininzi iya kubonakala ngakumbi ngeli xesha.
▲ Kulo hlobo lomxholo ongeyena ubuso, kunye nesihloko kunye nemvelaphi azihlulwanga ngokucacileyo, ukufiphala kwe-iPhone SE entsha.
kulula ukwenza iimpazamo
Njengoko ubona kulo mfanekiso, iIPhone 11 Proixhotyiswe ngenkqubo yeekhamera ezininzi ayinakuchaza kuphela izityalo ezincinci kwilogi, kodwa inokwazi ukuqaphela umgama wemvelaphi kwaye wenze ukusetyenzwa kweelayiti.
▲ Igrafu yedatha yobunzulu,IPhone 11 Prongasekhohlo, i-iPhone SE entsha ngasekunene
Kwi-iPhone SE entsha, ngaphandle kweziphumo ezifanayo zokusetyenzwa kweelayiti, umxholo kunye nemvelaphi ziye zadityaniswa ngokupheleleyo.Ngokwemvelo, inkqubo emva kokufiphaza iya kuba mbi kakhulu kunendaloIPhone 11 Pro.
▲ Obona bungqina bumfiliba,IPhone 11 Prongasekhohlo kunye ne-iPhone SE entsha ngasekunene
Yiyo loo nto, xa i-iPhone SE entsha isebenzisa eye-iOSikhameraapp, kuphela xa ubuso bomntu bubhaqwe, "Imowudi yeMfanekiso" inokuvulwa ukuba ithathe iifoto ezimfiliba.Kwezinye iimeko, impazamo iya kuvela.
Isizathu sisanxulumene ne-algorithm ye-Apple.UHalide ukhankanye ubuchule obubizwa ngokuba yi-'Portrait Effects Matte' (Portrait Effects Matte), esetyenziswa ikakhulu ukufumana inkcazo echanekileyo yabantu kwiifoto zemo yomfanekiso, kuquka iinkcukacha ezinjengomgca weenwele emphethweni, isakhelo seglasi, njl. njl. zahlulwe.
Kodwa okwangoku, le seti yetekhnoloji yokwahlulahlula esekwe kumatshini wokufunda ilungiselelwe ngakumbi "ukudubula abantu", inokwenza ukungabikho kwedatha yeparallax kwindawo enye.ikhameraiifowuni ezifanaIPhone XRkunye ne-iPhone SE, kodwa ukuba umxholo I-algorithm iya kwenza kwakhona impazamo yomgwebo xa utshintsha abalinganiswa kwezinye izinto.
Ngokuphathelele iifowuni ezininzi zeekhamera ezifanaIPhone 11 Pro, ungafumana idatha yeparallax ngokuthe ngqo kwiikhameraizixhobo, ngoko ke banokusebenzisa imo yomfanekiso kwimiboniso engeyobuso xa besebenzisa eyaboikhamera.
▲ I-lens yangaphambili ye-iPhone SE entsha iphinde ixhase imodi ye-portrait, kwaye ukuchaneka kobuso kuphezulu kakhulu,
kwaye umahluko womfanekiso ukwisiphumo se-bokeh kuphela
Ewe, abaphuhlisi beqela lesithathu basenakho ukusebenzisa izinto ezingaxhaswanga ngokusemthethweni.Ngoku iHalide app inokuxhasaIPhone XR, SE ukuthatha imifanekiso engacacanga yezilwanyana ezincinci okanye ezinye izinto.Ngapha koko, ikwasebenzisa itekhnoloji yemaski ye-Apple yokufumana ubunzulu beemephu, kwaye emva koko yongeze eyakho isiphelo sokufezekisa.
▲ Ukusebenzisa usetyenziso lomntu wesithathu njengeHalide, ungasebenzisa i-iPhone SE entsha ukuthatha iifoto ezimfiliba zezifundo ezingezizo ubuso.
Ngokubanzi, ukufiphala komzobo okuphunyezwe yile iPhone SE entsha ngumda onokufikelelwa ngokwenziwa kwesoftware yeefowuni ezinekhamera enye.Ukuthetha ngokuthe ngqo, oku kungenxa ye-chip ye-A13.Ukuba ayizange izise umatshini yokufunda algorithm yamva nje, iikhameraamava yedwa, amava ukudubula SE ngokucacileyo kufuneka ibe sisiqingatha.
Ke ngoko, kusenentsingiselo kwii-smartphones ukuphuhlisa iinkqubo zeekhamera ezininzi.Singasebenzisa i-engile ebanzi kakhulu ukwandisa indawo yokujonga, kwaye sinokuthembela kwilensi ye-telephoto ukuze sifumane iifoto zokusondeza ezingonakalisi.Uncedo lokubona ubunyani obunyusiweyo, ezi azifezekiswanga kuphela ngokuphuculwa kwe-OTA, okanye ukugaya i-algorithms.
Ewe, ukuzigwagwisa nokukhuphisana ngenani leekhamera kuyacaphukisa.Ukuba i-hardware inquma kuphela umda ophantsi wokucinga, ngoko isethi ye-algorithms egqwesileyo inokuphakamisa ngokuphawulekayo umda ophezulu we-imaging, kwaye iphinde ibonise ixabiso kunye nexabiso le-hardware endala.ezinokubakho.
Andazi ukuba singalinda eminye iminyaka emine.Xa isizukulwana esilandelayo se-iPhone SE siphuma, siya kutshatainkamelaNgaba usenayo indawo kushishino lweefowuni eziphathwayo?
Ixesha lokuposa: May-06-2020