Hyperspektrikuvantaminen fotometrisessä stereossa ja sen hyödyntäminen tietokonegrafiikassa

Tässä tutkielmassa tutkitaan hyperspektrikuvien avulla toteutetun fotometrisen stereon vaikutuksia tietokonegrafiikassa. Tutkimuksessa hyperspektrikuvien ja fotometrisen stereon avulla luotiin malleja, joista edelleen renderöitiin kuvia. Hyperspektrikuvantamisen havaittiin parantavan renderöinnin...

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Main Author: Kivioja, Markus
Other Authors: Informaatioteknologian tiedekunta, Faculty of Information Technology, Informaatioteknologia, University of Jyväskylä, Jyväskylän yliopisto
Format: Master's thesis
Language:fin
Published: 2017
Subjects:
Online Access: https://jyx.jyu.fi/handle/123456789/54444
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author Kivioja, Markus
author2 Informaatioteknologian tiedekunta Faculty of Information Technology Informaatioteknologia University of Jyväskylä Jyväskylän yliopisto
author_facet Kivioja, Markus Informaatioteknologian tiedekunta Faculty of Information Technology Informaatioteknologia University of Jyväskylä Jyväskylän yliopisto Kivioja, Markus Informaatioteknologian tiedekunta Faculty of Information Technology Informaatioteknologia University of Jyväskylä Jyväskylän yliopisto
author_sort Kivioja, Markus
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description Tässä tutkielmassa tutkitaan hyperspektrikuvien avulla toteutetun fotometrisen stereon vaikutuksia tietokonegrafiikassa. Tutkimuksessa hyperspektrikuvien ja fotometrisen stereon avulla luotiin malleja, joista edelleen renderöitiin kuvia. Hyperspektrikuvantamisen havaittiin parantavan renderöinnin kuvanlaatua hieman, mutta heikentävän sen suorituskykyä kymmenkertaisesti. Lisäksi tutkittiin mallien luomisen nopeuttamista rinnakkaislaskennan avulla. Tuloksena pintojen muotojen määrittäminen pintojen orientaatioiden avulla saatiin grafiikkasuorittimella yli 13-kertaisesti nopeammaksi. In this thesis the effects of photometric stereo implemented using hyperspectral images in computer graphics are studied. In the study hyperspectral images and photometric stereo was used to create models that were further rendered into images. It was observed that hyperspectral imaging slightly improved the image quality of the rendering but decreased its performance by a factor of ten. Additionally it was studied how the model creation can be accelerated using parallel computing. As a result resolving surface shapes from surface orientations got more than 13 times as fast when a graphics processing unit was used.
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spellingShingle Kivioja, Markus Hyperspektrikuvantaminen fotometrisessä stereossa ja sen hyödyntäminen tietokonegrafiikassa hyperspektrikuvantaminen fotometrinen stereo Tietotekniikka Mathematical Information Technology 602 fotometria tietokonegrafiikka
title Hyperspektrikuvantaminen fotometrisessä stereossa ja sen hyödyntäminen tietokonegrafiikassa
title_full Hyperspektrikuvantaminen fotometrisessä stereossa ja sen hyödyntäminen tietokonegrafiikassa
title_fullStr Hyperspektrikuvantaminen fotometrisessä stereossa ja sen hyödyntäminen tietokonegrafiikassa Hyperspektrikuvantaminen fotometrisessä stereossa ja sen hyödyntäminen tietokonegrafiikassa
title_full_unstemmed Hyperspektrikuvantaminen fotometrisessä stereossa ja sen hyödyntäminen tietokonegrafiikassa Hyperspektrikuvantaminen fotometrisessä stereossa ja sen hyödyntäminen tietokonegrafiikassa
title_short Hyperspektrikuvantaminen fotometrisessä stereossa ja sen hyödyntäminen tietokonegrafiikassa
title_sort hyperspektrikuvantaminen fotometrisessä stereossa ja sen hyödyntäminen tietokonegrafiikassa
title_txtP Hyperspektrikuvantaminen fotometrisessä stereossa ja sen hyödyntäminen tietokonegrafiikassa
topic hyperspektrikuvantaminen fotometrinen stereo Tietotekniikka Mathematical Information Technology 602 fotometria tietokonegrafiikka
topic_facet 602 Mathematical Information Technology Tietotekniikka fotometria fotometrinen stereo hyperspektrikuvantaminen tietokonegrafiikka
url https://jyx.jyu.fi/handle/123456789/54444 http://www.urn.fi/URN:NBN:fi:jyu-201706132825
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