A matsayin fasahar duba hoto, fasahar auna hoto tana buƙatar tabbatar da ma'aunin adadi. Daidaiton aunawa koyaushe muhimmin ma'auni ne da wannan fasaha ke bi. Tsarin auna hoto yawanci yana amfani da na'urorin firikwensin hoto kamar CCDs don samun bayanan hoto, mayar da su zuwa siginar dijital da tattara su cikin kwamfuta, sannan kuma amfani da fasahar sarrafa hoto don sarrafa siginar hoto ta dijital don samun hotuna daban-daban da ake buƙata. Ana samun lissafin girma, siffa da kurakuran matsayi ta hanyar amfani da dabarun daidaitawa don canza bayanan girman hoto a cikin tsarin daidaita hoto zuwa ainihin bayanin girman.
A cikin 'yan shekarun nan, saboda saurin ci gaban ƙarfin samar da kayayyaki na masana'antu da haɓaka fasahar sarrafawa, adadi mai yawa na samfura masu girma biyu, wato girma da ƙarami, sun bayyana. Misali, auna girman waje na jiragen sama, auna manyan abubuwan da ke cikin manyan injuna, auna EMU. Ma'aunin girma mai mahimmanci na ƙananan abubuwan da ke cikin yanayin rage girman na'urori daban-daban, auna ƙananan girma a cikin ƙananan kayan lantarki da fasahar kere-kere, da sauransu, duk suna kawo sabbin ayyuka don gwada fasaha. Fasahar auna hoto tana da kewayon aunawa mai faɗi. Yana da matuƙar wahala a yi amfani da ma'aunin injiniya na gargajiya akan manyan da ƙananan sikelin. Fasahar auna hoto na iya samar da wani rabo na abin da aka auna bisa ga buƙatun daidaito. Ƙara ko ƙara don cimma ayyukan aunawa ba zai yiwu ba tare da ma'aunin injiniya. Saboda haka, ko aunawa mai girma ne ko aunawa mai ƙaramin girma, muhimmiyar rawar da fasahar auna hoto ke takawa a bayyane take.
Gabaɗaya, muna nufin sassan da girmansu ya kama daga 0.1mm zuwa 10mm a matsayin ƙananan sassa, kuma waɗannan sassan an ayyana su a duniya a matsayin sassan mesoscale. Bukatun daidaito na waɗannan sassan suna da girma sosai, gabaɗaya a matakin micron, kuma tsarin yana da rikitarwa, kuma hanyoyin ganowa na gargajiya suna da wahalar biyan buƙatun aunawa. Tsarin auna hoto ya zama hanya gama gari wajen auna ƙananan sassa. Da farko, dole ne mu ɗauki hoton ɓangaren da ake gwaji (ko mahimman fasalulluka na ɓangaren da ake gwaji) ta hanyar ruwan tabarau mai haske tare da isasshen girma akan firikwensin hoto mai dacewa. Sami hoton da ke ɗauke da bayanan maƙasudin aunawa wanda ya cika buƙatun, kuma tattara hoton zuwa kwamfutar ta hanyar katin siyan hoto, sannan a yi sarrafa hoto da lissafi ta hanyar kwamfuta don samun sakamakon aunawa.
Fasahar auna hoto a fannin ƙananan sassa galibi tana da waɗannan sabbin hanyoyin ci gaba: 1. Ƙara inganta daidaiton aunawa. Tare da ci gaba da inganta matakin masana'antu, za a ƙara inganta buƙatun daidaito ga ƙananan sassa, ta haka ne za a inganta daidaiton aunawa na fasahar auna hoto. A lokaci guda, tare da saurin haɓaka na'urorin firikwensin hoto, na'urori masu ƙuduri mai girma suma suna ƙirƙirar yanayi don inganta daidaiton tsarin. Bugu da ƙari, ƙarin bincike kan fasahar sub-pixel da fasahar ƙuduri mai girma za su kuma samar da tallafin fasaha don inganta daidaiton tsarin.
2. Inganta ingancin aunawa. Amfani da ƙananan sassa a masana'antar yana ƙaruwa a matakin lissafi, ayyukan aunawa masu nauyi na samfuran aunawa da samarwa 100% a layi suna buƙatar ingantaccen aunawa. Tare da haɓaka ƙwarewar kayan aiki kamar kwamfutoci da ci gaba da inganta tsarin sarrafa hoto, za a inganta ingancin tsarin kayan aikin auna hoto.
3. Fahimtar yadda ake canza ƙaramin ɓangaren daga yanayin auna maki zuwa yanayin auna gabaɗaya. Fasahar auna hoto da ke akwai tana da iyaka ta hanyar daidaiton ma'auni, kuma a zahiri tana nuna yankin fasalin maɓalli a cikin ƙaramin ɓangaren, don a cimma ma'aunin maɓalli na fasalin, kuma yana da wuya a auna dukkan ma'aunin ko kuma dukkan ma'aunin fasalin.
Tare da inganta daidaiton ma'auni, samun cikakken hoto na ɓangaren da kuma cimma ma'aunin daidaito na kuskuren siffar gabaɗaya za a yi amfani da shi a fannoni da yawa.
A takaice, a fannin auna ƙananan sassa, ingancin fasahar auna hoto mai inganci ba makawa zai zama muhimmin alkiblar ci gaba na fasahar auna daidaito. Saboda haka, tsarin kayan aikin siyan hoto ya sami buƙatu mafi girma don ingancin hoto, matsayin gefen hoto, daidaita tsarin, da sauransu, kuma yana da fa'idodi masu faɗi da mahimmancin bincike. Saboda haka, wannan fasaha ta zama wurin bincike a gida da waje, kuma ta zama ɗaya daga cikin mahimman aikace-aikace a fasahar duba gani.
Lokacin Saƙo: Mayu-16-2022