20.500.12556/RUL-72775
Aktivni stereo vid
Active stereo vision
V magistrski nalogi je predstavljena izvedba sistema aktivnega stereo vida ter njegovo vrednotenje. Aktivni stereo vid je metoda pridobivanja tridimenzionalne informacije o opazovanih objektih brez teksture. Sistem sestavljajo kamere, ponavadi par kamer, in svetilo, s katerim lahko upravljamo. Zato je bil namen izvedbe preveriti, ali lahko z uporabo dveh sivinskih kamer in projektorja, ki so bili na voljo, uspešno zaznavamo in rekonstruiramo površino objektov. Opravili smo pregled področja in se odločili preizkusiti tri tehnike ustvarjanja teksture na objektu; z Grayevim kodiranjem, naključnim vzorcem in linijskim premikom snopov svetlobe. Njihovo delovanje smo analizirali s kvantitativnimi in kvalitativnimi eksperimenti. Na osnovi analize lahko zaključimo, da izbira materiala objekta najmanj vpliva na delovanje tehnike z Grayevim kodiranjem. Površine s spremenljivo globino predstavljajo problem tehniki z naključnim vzorcem, nasprotno pa na takšnih objektih s tehniko z linijskim premikom zelo dobro poiščemo korespondenčna območja. Zaradi dolgotrajnosti in nekonsistence te tehnike in omejitev pri naključnem vzorcu lahko rečemo, da z Grayevim kodiranjem dobimo najbolj vsestransko delovanje.
This thesis presents the construction of active stereo vision system and its evaluation. Active stereo vision is a method of obtaining three-dimensional information about observed textureless objects. System consists of cameras, usually a pair, and a light source that can be manipulated. Therefore the aim was to test, if we could use two monochrome cameras and a projector, which were available, to successfully detect and reconstruct the surface of objects. Overview of the field was done and we decided to test three techniques; Gray coding, random pattern and line shift of light beams. Their performance was analyzed by means of quantitative and qualitative experiments. Based on analysis we can conclude that the choice of object material has little affect on the operation of technique with Gray coding. Surfaces with variable depths are problematic for random pattern technique, by contrast technique with line shift can find corresponding areas on those objects very well. Because line shift technique is time-consuming and inconsistent and random pattern technique has its limitations, we can conclude that the performance of Gray coding is the most versatile.
aktivni stereo vid
rekonstrukcija površine
tridimenzijsko merjenje
stereo kalibracija
projiciranje vzorcev
Grayevo kodiranje
naključni vzorec
črtni vzorec
active stereo vision
surface reconstruction
three-dimensional measurement
stereo calibration
pattern projection
Gray coding
random pattern
stripe pattern
true
false
false
Slovenski jezik
Angleški jezik
Magistrsko delo/naloga
2015-09-30 09:00:01
2015-09-30 09:00:01
2022-08-01 16:39:54
0000-00-00 00:00:00
2015
0
0
0000-00-00
NiDoloceno
NiDoloceno
NiDoloceno
0000-00-00
0000-00-00
0000-00-00
1970-01-01
29842
Delalic_Elvedin_-_Aktivni_stereo_vid.pdf
Delalic_Elvedin_-_Aktivni_stereo_vid.pdf
1
9575292B733A84AB86FD0F4B41FAC527
05f3fa1eaf48e4680339826ed15c2c925303d49ad79a60c0b4d0ec589488ef7f
60b38fbc-a1ad-11eb-a523-00155dcfd717
20.500.12556/rul/aff51463-f6a2-41d2-b607-abb04cb9f10b
https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=72813
Fakulteta za elektrotehniko
0
0
0