LiDAR vs Photogrammetry: Yeyiphi Itheknoloji Engcono Kuphando Lomhlaba?
Ukuba ubhabhisa i-drone ye-photogrammetry kunye ne-drone ene-LiDAR kwindawo enye enamahlathi, uya kufumana iimodeli ezimbini zomhlaba ezahluke ngokupheleleyo. I-photogrammetry ibona kuphela incopho yemithi, ngelixa i-laser ye-LiDAR ingena kwizikhewu zamagqabi ukuskena umhlaba wokwenyani ngaphantsi. Lo mahluko ngoyena umisela iteknoloji efunekayo kwiprojekthi yakho.
Zombini i-LiDAR kunye ne-photogrammetry zivelisa iimodeli zomhlaba ze-3D zisuka kwidatha yasemoyeni, kodwa iindlela zokuqokelela idatha zahlukile kakhulu. I-photogrammetry yakha imodeli ye-3D kusuka kwiifoto ezininzi ezidibeneyo. I-LiDAR idubula imitha ye-laser ize ilinganise ixesha lokubuya kwayo ukufumana ubude bomhlaba ngqo.
Jonga Ukungena Phantsi Kwemithi Ngqo
LiDAR vs Photogrammetry Ngaphantsi Kwemithi
Thelekisa Ubuninzi be-Point Cloud
Umehluko Kwinani Lama-Point Cloud
Fumana Ulungelelwaniso Phakathi Kwendleko Nokuchaneka
Iindleko vs Ukuchaneka Kweprojekthi
Itheyibhile Yothelekiso Olupheleleyo
| Umba | Photogrammetry | LiDAR |
|---|---|---|
| Ukungena emithini | Hayi, ithatha kuphela umphezulu obonakalayo | Ewe, imitha ye-laser ifikelela phantsi |
| Izinga leendleko | Iphantsi (₹500-1,500/acre) | Iphindaphindwe ka-2 ukuya ku-3 kune-photogrammetry |
| Umhlaba ofanelekileyo | Iindawo ezivulekileyo ezingenamahlathi | Amahlathi ashinyeneyo, amatyholo neentaba |
| Idatha ephumayo | Imephu ye-Orthomosaic + DTM | I-point cloud exineneyo enolwahlulo lomhlaba |
Kwiindawo ezivulekileyo ezinotyani obuncinci, i-photogrammetry inika ukuchaneka okufanayo ngeendleko eziphantsi kakhulu. Gcina i-LiDAR kwiindawo ezinamahlathi apho iikhamera zesiqhelo zingenako ukubona umhlaba.
I-photogrammetry ifota oko kubonakalayo. I-LiDAR ilinganisa ngokuchanekileyo oko kukhoyo ngokwenene, nokuba kufihlakele.
Ukukhetha Itheknoloji Efanelekileyo
Khetha iteknoloji ngokwemeko yomhlaba hayi nje ngebhajethi kuphela. Iqela lethu le- drone survey lihlola ukuxinana kwemithi phambi kokuba licebise, kwaye yonke ingxelo ye- LiDAR scan ibandakanya idatha yomhlaba eyahlulwe ngokuchanekileyo.
Awuqinisekanga ukuba umhlaba wakho ufuna i-LiDAR?
Yabelana nathi ngohlobo lomhlaba kunye nemeko yemithi, kwaye siya kukuphakamisa eyona teknoloji ilungileyo.
Imibuzo Ebuzwa Rhogo
I-LiDAR isebenzisa imitha ye-laser engena emithini ukulinganisa umhlaba, ngelixa i-photogrammetry ixhomekeke kwiifoto.
Hayi. Kwiindawo ezivulekileyo, i-photogrammetry inika iziphumo ezifanayo ngeendleko eziphantsi kakhulu.
Izixhobo ze-LiDAR zibiza kakhulu, zivelisa idatha enkulu kakhulu kwaye zidinga isoftware ekhethekileyo.
Hayi. I-photogrammetry ixhomekeke ekukhanyeni okubonakalayo ngoko ayikwazi ukubona umhlaba phantsi kwemithi.
I-LiDAR ivelisa idatha exineneyo nethe tyaba ngakumbi kwiindawo ezinamahlathi.
Ewe, kuba i-LiDAR ikhupha ukukhanya kwayo kwe-laser, isebenza kakuhle nasebumnyameni obupheleleyo.
Iindawo ezinamahlathi ashinyeneyo, amathambeka anobutyani obuninzi neentaba.
I-photogrammetry iza kubonisa phezulu kwemithi kuphela. Ukufumana umhlaba wokwenyani (DTM), kufuneka i-LiDAR.
Ewe, amanqaku e-GCP alinganiswe nge-DGPS asafuneka ukuqinisekisa ukuchaneka kophando.
I-photogrammetry idla ngokukhawuleza ukusetyenzwa ngenxa yokuba ubungakanani befayile buncinci xa kuthelekiswa ne-LiDAR.
Le nombolo yenzelwe kuphela imibuzo yeeprojekthi. Nceda ungaqhagamshelani malunga noqeqesho okanye imisebenzi.