Fotogrametrijsko 3D skeniranje

Marko Maričević, Alan Divjak, Miroslav Mikota, Nikola Mrvac

Sažetak

Kvalitetna 3D digitalizacija stvarnih predmeta predstavlja veliki izazov. U zadnjih desetak godina predstavljene su brojne metode prebacivanja stvarnih objekata u 3D okružje. Odabir metode ovisi o topologiji objekta, svojstvima površine, uvjetima osvjetljenja i uvjetima skeniranja. Fotogrametrijsko 3D skeniranje predstavlja metodu koja po svim navedenim parametrima postiže iznimno dobre rezultate. Obzirom da se u procesu 3D digitalizacije koriste fotografije ova metoda iznimno je jednostavna za korištenje. U radu je prikazano generiranje kompleksnog 3D modela ljudskog lika korištenjem fotogrametrijskog 3D modeliranja. Pomoću softvera Photomodeler Scanner ostvarena je kalibracija optičkog sustava kamere i pozicioniranje virtualnih snimaka u 3D prostoru. Iz snimljenih fotografija konstruirana je geometrijska reprezentacija lica i pridružene su teksture kože. Ostvareni rezultat je fotorealistični 3D prikaz ljudskog lica koji se može koristiti u daljnoj 3D produkciji.

Ključne riječi: 3D digitalizacija, fotogrametrija, fotorealistični, ljudsko lice

Photogrammetric 3D scanning

Marko Maričević, Alan Divjak, Miroslav Mikota, Nikola Mrvac

Abstract

High-quality 3D digitization of real objects is a great challenge. In the last ten years, presented a number of methods of transferring real-world objects in a 3D environment. The choice of method depends on the topology of the object, the properties of the surface, lighting conditions and conditions scanning. Photogrammetric 3D scanning is a method that after all these parameters achieved extremely good results. Since it is in the process of 3D digitizing photos used this method is extremely simple to use. The paper describes the generation of complex 3D model of a human figure using photogrammetric 3D modeling. Using software Photomodeler Scanner realized the calibration of the optical system and camera positioning of virtual images in 3D space. From the captured images constructed by the geometric representation of the face and the associated skin texture. The achieved result is a photo-realistic 3D representation of the human face that can be used in further 3D production.

Keywords: 3D digitalization, photogrammetric, photo-realistic, human face


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