Selaus tekijän mukaan kokoelmassa Erillisteokset ja sarjat

Aineistot 1-13 / 13

    • 3D Mesh Simplification. A survey of algorithms and CAD model simplification tests 

      Arvo, Jukka; Euranto, Antti; Järvenpää, Lauri; Lehtonen, Teijo; Knuutila, Timo
      University of Turku Technical Reports : 3 (University of Turku, Technology Research Center, 15.08.2015)
      Simplification of highly detailed CAD models is an important step when CAD models are visualized or by other means utilized in augmented reality applications. Without simplification, CAD models may cause severe ...

    • Current State of Ontology Matching. A Survey of Ontology and Schema Matching 

      Mukkala, Lauri; Arvo, Jukka; Lehtonen, Teijo; Knuutila, Timo
      University of Turku Technical Reports : 4 (University of Turku, Technology Research Center, 14.08.2015)
      Ontology matching is an important task when data from multiple data sources is integrated. Problems of ontology matching have been studied widely in the researchliterature and many different solutions and approaches ...

    • Depth sensors in augmented reality solutions. Literature review 

      Taskinen, Mika; Lahdenoja, Olli; Säntti, Tero; Jokela, Sami; Lehtonen, Teijo
      University of Turku Technical Reports : 10 (University of Turku, Technology Research Center, 01.10.2015)
      The emergence of depth sensors has made it possible to track – not only monocular cues – but also the actual depth values of the environment. This is especially useful in augmented reality solutions, where the position ...

    • Evaluation of the GPS Accuracy of Tablets 

      Sakari, Leo; Forsman, Mikko; Taskinen, Mika; Säntti, Tero; Lehtonen, Teijo
      University of Turku Technical Reports : 11 (University of Turku, Technology Research Center, 10.08.2016)
      Augmented Reality (AR) applications often require knowledge of the user’s position in some global coordinate system in order to draw the augmented content to its correct position on the screen. The most common ...

    • Hardware Accelarated Visual Tracking Algorithms. A Systematic Literature Review 

      Korhonen, Sirpa; Sakari, Leo; Säntti, Tero; Lahdenoja, Olli; Lehtonen, Teijo
      University of Turku Technical Reports : 5 (University of Turku, Technology Research Center, 14.08.2015)
      Many industrial applications need object recognition and tracking capabilities. The algorithms developed for those purposes are computationally expensive. Yet ,real time performance, high accuracy and small power consumption ...

    • Indoor Localization Solutions for a Marine Industry Augmented Reality Tool 

      Helle, Seppo; Kaustinen, Mika; Korhonen, Sirpa; Lehtonen, Teijo
      University of Turku Technical Reports : 1 (Turun yliopisto, 31.10.2013)
      In this report are described means for indoor localization in special, challenging circum-stances in marine industry. The work has been carried out in MARIN project, where a tool based on mobile augmented reality technologies ...

    • Map matching by using inertial sensors: literature review 

      Kaustinen, Mika; Taskinen, Mika; Säntti, Tero; Arvo, Jukka; Lehtonen, Teijo
      University of Turku Technical Reports : 6 (University of Turku, Technology Research Center, 24.08.2015)
      This literature review aims to clarify what is known about map matching by using inertial sensors and what are the requirements for map matching, inertial sensors, placement and possible ...

    • MIRACLE Handbook : Guidelines for Mixed Reality Applications for Culture and Learning Experiences 

      Helle, Seppo; Salmi, Hannu; Turunen, Markku; Woodward, Charles; Lehtonen, Teijo (Turun yliopisto, 06.07.2017)

    • Model-Based Tracking Initialization in Ship Building Environment 

      Euranto, Antti; Lahdenoja, Olli; Suominen, Rami; Lehtonen, Teijo
      University of Turku Technical Reports : 2 (University of Turku, Technology Research Center, 16.06.2014)
      An augmented reality (AR) device must know observer’s location and orientation, i.e. observer’s pose, to be able to correctly register the virtual content to observer’s view. One possible way to determine and continuously ...

    • Novel Interaction Techniques for Mobile Augmented Reality applications. A Systematic Literature Review 

      Härkänen, Lauri; Helle, Seppo; Järvenpää, Lauri; Lehtonen, Teijo
      University of Turku Technical Reports : 9 (University of Turku, Technology Research Center, 17.08.2015)
      This study reviews the research on interaction techniques and methods that could be applied in mobile augmented reality scenarios. The review is focused on themost recent advances and considers especially the ...

    • Recent advances in monocular model-based tracking: a systematic literature review 

      Lahdenoja, Olli; Suominen, Rami; Säntti, Tero; Lehtonen, Teijo
      University of Turku Technical Reports : 8 (University of Turku, Technology Research Center, 20.08.2015)
      In this paper, we review the advances of monocular model-based tracking for last ten years period until 2014. In 2005, Lepetit, et. al, [19] reviewed the status of monocular model based rigid body tracking. Since ...

    • Sulautettujen järjestelmien ketterän käsikirjan lisäosa: Ketteryys avaruusteollisuudessa 

      Könnölä, Kaisa; Suomi, Samuli; Rantala, Ville; Isomäki, Minna; Mäkilä, Tuomas; Lehtonen, Teijo (University of Turku, Technology Research Center, 19.10.2015)
      Ketteryys avaruusteollisuudessa valottaa ketterien menetelmien käyttöä avaruusteollisuuden hankkeissa. Ennalta määritellyt spesifikaatiot, tiukat laatuvaatimukset ja hajautettu järjestelmäkehitys luovat haasteita ketteryyden ...

    • TRC-Matcher and enhanced TRC-Matcher. New Tools for Automatic XML Schema Matching 

      Mukkala, Lauri; Arvo, Jukka; Lehtonen, Teijo; Knuutila, Timo
      University of Turku Technical Reports : 13 (Turun yliopisto, 30.05.2017)