I-teknoloji ye-Hyperspectral imaging sensor ifumana ukunyuka okunyukayo kumacandelo afana nezolimo, ishishini, amayeza kunye nokhuseleko, ngenxa yokukwazi ukubona ngaphaya kokubonakalayo. Nangona igama layo linokuvakala liyinkimbinkimbi, ukusebenza kwayo kusekelwe kwimigaqo ye-optical evumela ukuba izinto kunye nezinto zichongwe ngeempawu zabo ze-spectral.
Kweli nqaku, siza kuphonononga ukuba yintoni kanye kanye isivamvo somfanekiso we-hyperspectral, yahluke njani kwezinye iindidi zezivamvo ezifana ne-multispectral sensors, iimpawu zabo zobugcisa, kunye nezicelo zabo eziphambili. Siza kuphinda siphonononge iingenelo ezibonelelwa yile teknoloji kunye nemingeni yayo yangoku.
Yintoni inzwa yomfanekiso we-hyperspectral?
Un Uluvo lwe-hyperspectral Sisixhobo esikwaziyo ukuthatha imifanekiso equlethe ulwazi oluneenkcukacha ukusuka kumakhulu eebhendi zembonakalo rhoqo, kuluhlu lwespectrum ye-electromagnetic ephuma I-ultraviolet (350 nm) de kufutshane naphakathi kwe-infrared (ukuya kuthi ga kwi-2500 nm).
Yintoni eyahlula le teknoloji kukuba Ipixel nganye kumfanekiso owenziweyo iqulethe i-spectrum epheleleyo, evumela ukuba izinto ezibonakalayo zichongwe "ngotyikityo" olukhethekileyo. Ezi zisayinwe ze-spectral zibonisa iimpawu zomzimba kunye neekhemikhali zento ebonwayo, okwenza i-hyperspectral sensor ibe sisixhobo esichanekileyo nesingonakalisiyo sokuchongwa okucacileyo kunye nokubeka iliso kwizinto, amalaphu, okanye izinto.
I-hyperspectral imaging isebenza njani?
La umfanekiso we-hyperspectral Kubandakanya ukubamba kunye nokusetyenzwa kolwazi oluvela kwi-electromagnetic spectrum eboniswa okanye ekhutshwa zizinto. Isivamvo soluvo sahlule esi siboniso sibe sisininzi sebhanti emxinwa kakhulu edibanayo, ivelisa umfanekiso omacala amathathu owaziwa ngokuba ityhubhu ye-hyperspectral, kunye nemilinganiselo emibini yendawo kunye ne-spectral dimension enye.
Le "tyhubhu" ivumela uhlalutyo lokuqina kokukhanya kumaza ahlukeneyo obude bepixel nganye emfanekisweni. Oku kubangela iprofayili ekhethekileyo ye-spectral kwindawo nganye ephawulweyo, inika amandla amakhulu ocalulo phakathi kwezinto ezinokubonakala zifana neso.
Isicelo esicacileyo sinokuba ukubona indawo ebolileyo yesiqhamo ngaphandle kwesidingo sokuyinqunqa, ekubeni iipropathi ze-spectral zezicubu ezinempilo kunye nezonakeleyo ziyahluka nangona zingabonakali.
Yahluke njani kuluvo lwe-multispectral?
Abenzi boluvo be-Multispectral nabo babamba ulwazi lwe-spectral kodwa bakwenza oko kwinani eliqingqiweyo lamaqela, ngokuqhelekileyo 5 i10, ezingadibaniyo ngokuyimfuneko. Ezi bhendi ngokuqhelekileyo ziquka iibhendi ezibonakalayo (ezibomvu, eziluhlaza, eziluhlaza okwesibhakabhaka) kunye nezinye iibhendi ezikufutshane ne-infrared.
Izinzwa ze-Hyperspectral, ngakolunye uhlangothi, zirekhoda amakhulu amabhanti amxinwa kakhulu kwaye adibanayo, ebonelela nge isisombululo esiphezulu kakhulu se-spectral. Ngenxa yoko, i-hyperspectral sensors inokuchonga ngokuchanekileyo ngakumbi ukwakheka kweekhemikhali okanye uchonge imathiriyeli eneempawu ezifanayo kakhulu, into engenakwenzeka nge-multispectral sensors.
Izinto eziluncedo kunye neempawu zobugcisa beteknoloji ye-hyperspectral
Iinkqubo ze-Hyperspectral zibonelela ngenani leenzuzo zobugcisa ezenza zibe zizodwa kwizicelo eziphambili:
- Umlinganiselo ongaqhagamshelwanga: Ekubeni ezi ziikhamera, ulwazi lunokubanjwa ngaphandle kokuchukumisa into.
- Indlela engonakalisi: into ayitshintshwanga okanye yonakaliswe xa ihlalutywa.
- Ukucaciswa okuphezulu: ivumela ukwahlula ngokulinganayo umahluko omncinci phakathi kwezixhobo ezifanayo kakhulu, enkosi kwisisombululo sayo esiphakamileyo.
- Ukubakho komlinganiselo wexesha lokwenyani: Kukho izisombululo ezikuvumela ukuba ubambe kwaye uhlalutye imifanekiso ngoko nangoko, nakwiindawo zoshishino.
- Ukuguquguquka kwiimeko zokukhanya: Ziyakwazi ukucwangciswa ukuba zisebenze kunye neentlobo ezahlukeneyo zokukhanyisa, ezifana ne-infrared okanye ukukhanya okulawulwayo.
Ngokuphathelele ubugcisa obusetyenziswayoKukho ezinye iindlela ezininzi. Ezinye iikhamera zisebenzisa izihlungi ze-Fabry-Perot zohlobo lwe-interferometric ezisetyenziswe ngokuthe ngqo kwi-sensor, ezivumela ukuba inkqubo ibe yincinci, inciphise iindleko, kwaye iyenze iphatheke ngakumbi. Abanye basebenzisa iindlela zokuskena ezifana "tyhala-umtshayelo", equka ukubamba umgca wento ngephanyazo ngalinye, ukuhambisa uluvo ukwakha umfanekiso opheleleyo.
Isisombululo se-Spectral kunye nesithuba
Enye yezona zinto zinamandla ze-hyperspectral sensors kukuphakama kwazo isisombululo se-spectral, evumela ukwahlula phakathi kwamaza ngamaza ngokwahlukana okuncinci kakhulu, nokuba 10 ukuya 20 nmOku kuguqulela kumthamo omkhulu wokuqaphela iisignesha ze-spectral.
Nangona kunjalo, le nzuzo idla ngokukhatshwa yi-a isisombululo sesithuba esisezantsi, ekubeni inani ledatha inzwa kufuneka ibambe ukunyuka kunye nokongezwa kweebhendi ezininzi ze-spectral. Ngokwahlukileyo, abenzi boluvo abaninzi badla ngokuba neebhendi ezimbalwa kodwa bazibambe ngesisombululo esikhulu sesithuba.
Ubungakanani, ukusetyenzwa kwedatha kunye nobunzima
Umthamo wolwazi owenziwe yimifanekiso ye-hyperspectral mkhulu kakhulu. Le data-dimensional ezintathu efuna a inkqubo entsonkothileyo yokubala kunye nesoftware ekhethekileyo. Olu hlalutyo luhlala lubandakanya ubuchule be iikhemimethrikhi okanye i-algorithms yokufunda koomatshini ukuchonga iipateni kwiisignesha ze-spectral.
Ke ngoko, enye yemiceli mngeni yangoku yale teknoloji yile ukugcinwa ngokufanelekileyo kunye nohlalutyo olukhawulezayo lwedathaNgethamsanqa, zininzi izisombululo ezivelayo ezenza ezi zixhobo zibe lula ukuzisebenzisa, nakwiindawo zoshishino okanye kwintsimi.
Kusetyenziswa nini i-hyperspectral sensors xa kuthelekiswa ne-multispectral?
Ukhetho phakathi kobu buchwepheshe buxhomekeke kwinjongo yokugqibela. abenzi boluvo abaninzi ziqhelekile Ixabiso eliphantsi, elikhawulezayo ukuphumeza kwaye lincinci, ezenza zilungele imisebenzi apho iinkcukacha ze-spectral ezigqithisileyo zingafuneki.
Nangona kunjalo, ukuba uhlalutyo lufuna ukuchaneka okuphezulu kunye nokwahlula okuhle phakathi kwezixhobo, njengokuba kunjalo kwi-biomedicine, ukulawulwa kwekhwalithi okanye ukuchongwa kwe-mineralogical, ngoko inzwa ye-hyperspectral icacile ngakumbi.
Kwiimeko ezininzi, zombini itekhnoloji inokudityaniswa ukuze ithathe inzuzo yazo.
Izicelo eziphawuleka kakhulu zomfanekiso we-hyperspectral
Izinzwa zeHyperspectral zinoluhlu olukhulayo lwezicelo, kubandakanya:
- Ezolimo nezityalo: uvavanyo lwempilo yezityalo, isifo okanye ukubhaqwa koxinzelelo lwamanzi, uhlalutyo lwesondlo, kunye nemephu yeentlobo.
- Ishishini lokutya: ukulawulwa komgangatho ongangeneleliyo, ukubonwa komzimba wangaphandle, uhlalutyo lwesondlo kunye nokuhlelwa okuzenzekelayo.
- Amayeza kunye ne-bioscience: uhlalutyo lwezicubu, ukuxilongwa okungathintekiyo, ukufumanisa amanxeba okanye ukungahambi kakuhle kwamaselula.
- Imigodi kunye nejoloji: ukuchongwa kwezimbiwa ngokuchanekileyo, idiphozithi yemephu, kunye nohlalutyo lomhlaba.
- Ulawulo lokusingqongileyo: ukufumanisa ungcoliseko emanzini nasemoyeni, ukujonga imigxobhozo okanye imililo.
- Ukhuseleko kunye nokhuseleko: ukufunyanwa kwezinto ezifihliweyo, izinto zekhemikhali okanye ukucupha okuphambili.
- I-Archaeology kunye nobugcisa: uhlalutyo lwe-pigment, ukugcinwa kwemisebenzi kunye nokufunyanwa kwenkohliso.
- Umzi mveliso wamachiza: ulawulo lwenkqubo kunye nokuqinisekiswa kwemveliso.
Itekhnoloji efakiweyo kwimarike
Kukho iintlobo ngeentlobo zetekhnoloji kunye neempawu eziphuhlise izisombululo ezithile kwizicelo ezahlukeneyo. Umzekelo:
- Nireos HERA: Isebenzisa i-Fourier transform (FT) spectroscopy, ibonelela ngokuchaneka okuphezulu kwe-spectral kunye nozinzo olugqwesileyo, nakwimimandla yemizi-mveliso eshukumayo.
- I-HAIP-Mnyama: Ixhomekeke kwitekhnoloji ye-"push-broom" enokulungelelaniswa kweendawo ezizinzileyo kunye neenkqubo eziphathwayo, ezinje ngeekhamera eziphathwayo okanye iinkqubo ezifakwe kwiidrones.
- SILIOS: Ubuchwephesha bohlobo lwekhamera ye-snapshot ye-multispectral evumela ukuba iibhendi ezininzi zithathwe ngaxeshanye ngenxa yezihluzi zepixelated kwi-CMOS okanye kwi-InGaAs sensors.
Ngombulelo kwezi nkqubela phambili, le teknoloji iya isiba bhetyebhetye, iguquguquka, kwaye ifikeleleke kumacandelo amaninzi.
Ukwamkelwa kweenzwa ze-hyperspectral kwiinkalo ezahlukeneyo kubonisa ithuba lokusungula izinto ezintsha ezivumela ukuqokelelwa kwedatha echanekileyo kunye nobunzulu, ukuququzelela izigqibo ezinolwazi olungcono kunye nokulungiswa kwecandelo ngalinye.
