Kayayyakin Odometry
Visual odometry yana ƙididdige yadda kyamara ke motsawa cikin duniya ta hanyar bin diddigin yadda hoton ke canza firam zuwa firam.
Dubawa
It matters because it lets robots, drones, and AR devices know their position without GPS, using vision alone.
Zurfafa nutsewa
Visual odometry (VO) yana ƙara kimanta motsin kyamara, fassararsa da jujjuyawar sa, ta hanyar nazarin hotuna a jere. Bututun da ya dogara da siffa yana gano maɓalli, matches ko bin diddigin su a cikin firam ɗin, kuma yana ƙididdige matsayi na dangi daga alaƙar lissafi tsakanin maki da suka dace, sannan ya ɗaure waɗannan haɓaka zuwa yanayin yanayi. Hanyoyi kai tsaye maimakon rage girman kuskuren hoto (bambance-bambancen ƙarfin pixel) ba tare da fayyace fasali ba. VO ita ce ƙarshen tsarin SLAM da yawa, amma inda cikakken SLAM ke ginawa da kiyaye taswirar duniya tare da rufe madauki, VO a sarari tana mai da hankali kan motsi na gida-zuwa-firam. Rashin rauninsa yana zurfafawa: ƙananan kurakuran kowane-frame suna taruwa akan lokaci. VO tana iko da motoci masu tuƙi da kansu, rovers na duniya, drones a cikin wuraren da aka hana GPS, da bin diddigin lasifikan kai a cikin AR/VR.
Fahimtar Fasaha
Monocular VO yana dawo da motsi daga matrix mai mahimmanci, wanda ke ɓoye ginshiƙi na epipolar tsakanin ra'ayoyi biyu kuma ya lalace cikin juyawa da fassarar, amma har zuwa sikelin da ba a sani ba. Sitiriyo ko RGB-D kyamarori suna warware wannan shubuha ta amfani da sanannen tushe ko zurfin. Yawancin tsarin zamani suna haɗa VO tare da IMU (idometry na gani-inertial), haɗaɗɗen accelerometer da bayanan gyroscope don haɓaka ƙarfi yayin motsi mai sauri, ƙaramin rubutu, ko blur motsi.
Dabarun Tasiri
Gudu da sikelin
Kayayyakin AI na iya sarrafa aiki da bincike, ganowa, da ayyuka masu alama a sikelin.
Gina zaɓuɓɓuka
Ƙungiyoyin ƙirƙira za su iya samar da ra'ayoyi cikin sauri tare da ƙarancin bita da hannu.
Ƙungiya da aikin aiki
Ayyuka na iya amfani da siginar hoto da bidiyo waɗanda a baya suke da wahalar aiwatarwa.
Future of Visual Odometry
VO tana motsawa zuwa hanyoyin ilmantarwa da haɗaka: hanyoyin sadarwa mai zurfi suna kimanta zurfin, kwararar gani, da tsayawa, har ma da horarwa ta hanyar kulawa da kai ta amfani da daidaiton ra'ayi. Haɗawar gani-inertial fusion, kyamarorin taron da ke ɗaukar canje-canjen haske na microsecond, da na'urori masu haɓaka jijiyoyi suna tura VO zuwa matsananciyar ƙarfi a cikin duhu, babban gudu, da fage mai ƙarfi, zama tushen tushe don injuna masu cin gashin kansu da lissafin sararin samaniya.
Aiwatar da Gaskiyar Duniya
Mars rovers kamar Juriya ta yin amfani da idoti na gani don bin diddigin dabaran da kewaya ƙasa ba tare da GPS ba
Na'urar kai ta AR/VR tana bin matsayi na kai daga kyamarori na kan jirgi don bin diddigin 6DoF na ciki
Jiragen sama masu saukar ungulu suna kiyaye tsayayyen jirgi da kewayawa a cikin gida ko cikin mahallin da GPS ta musanta
Motoci masu tuƙa da kansu da robots suna haɗa motsin kyamara tare da bayanan IMU don ganowa tsakanin sabunta taswira
Hatsari & Tsare-tsare
Haƙƙoƙin hoto da yarda na iya zama haxarin doka idan ba a fayyace ba.
Ayyukan samfuri na iya bambanta a ko'ina cikin haske, ƙididdiga, da mahalli.
Ƙarya tabbataccen ƙila ba za a iya lura da shi ba sai dai idan an kula da ƙofofin amincewa.
Taswirar Hanya
Ƙayyade ma'auni na karɓa don daidaito, tunowa, da farashi na kuskure.
Gwada tare da bayanan da suka dace da ainihin yanayin samarwa.
Ƙara bita na ɗan adam don ƙarancin amincewa ko tsinkaya mai tasiri.
Bi diddigin ƙirar ƙira kuma sake ingantawa bayan canje-canjen kamara ko saitin bayanai.
Ci gaba da Bincike
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Jagora na gaba
Amsa Tambayoyin Kayayyakin Kaya
Tambayoyin da ake yawan yi
What is Visual Odometry?
Visual odometry yana ƙididdige yadda kyamara ke motsawa cikin duniya ta hanyar bin diddigin yadda hoton ke canza firam zuwa firam. Yana da mahimmanci saboda yana barin robots, drones, da na'urorin AR su san matsayinsu ba tare da GPS ba, ta amfani da hangen nesa kawai.
Menene odometry na gani da farko ke kimantawa?
Kayayyakin gani da ido yana bin yadda hoton ke canzawa tsakanin firam ɗin don ƙididdige matsayin dangi na kyamara, yana haɗa waɗannan zuwa yanayin yanayin.
Menene 'drift' a cikin yanayin ido?
Saboda VO yana ƙididdige motsi da ƙari, ƙananan kurakurai a cikin kowane matakin matakin na tsawon lokaci, yana haifar da kiyasin hanyar yin nisa daga hanya ta gaskiya.
Me yasa odometry na gani na monocular ke fama da rashin fahimta?
Daga rafi guda ɗaya, matrix mai mahimmanci yana ba da fassarar kawai har zuwa sikelin da ba a sani ba; Ana buƙatar tushen sitiriyo ko zurfin firikwensin don warware ma'aunin gaskiya.
Ta yaya idometry na gani-inertial ke inganta ƙarfi?
Haɗa ƙididdigar motsi na gani tare da ma'aunin inertial yana taimakawa yayin motsi mai sauri, blur motsi, ko ƙananan yanayi inda hangen nesa kadai ke gwagwarmaya.
Ta yaya bayyanannun ido na gani ya bambanta da cikakken SLAM na gani?
VO yawanci shine ma'aunin motsi na gaba-gaba; SLAM yana ƙara taswira na duniya da rufe madauki don gyara ɗimbin raɗaɗi.