Search Results - "Haggrén, Henrik"

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  1. 1

    Terrestrial laser scanning in forest inventories by Liang, Xinlian, Kankare, Ville, Hyyppä, Juha, Wang, Yunsheng, Kukko, Antero, Haggrén, Henrik, Yu, Xiaowei, Kaartinen, Harri, Jaakkola, Anttoni, Guan, Fengying, Holopainen, Markus, Vastaranta, Mikko

    “…Decision making on forest resources relies on the precise information that is collected using inventory. There are many different kinds of forest inventory…”
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    Journal Article
  2. 2

    Depth camera indoor mapping for 3D virtual radio play by Virtanen, Juho‐Pekka, Kurkela, Matti, Turppa, Tuomas, Vaaja, Matti T., Julin, Arttu, Kukko, Antero, Hyyppä, Juha, Ahlavuo, Marika, Numers, Jessica Edén, Haggrén, Henrik, Hyyppä, Hannu

    Published in Photogrammetric record (01-06-2018)
    “…By combining game engines with indoor mapping, it is possible to create interactive virtual environments that represent the real world. In this paper a virtual…”
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    Journal Article
  3. 3

    Orientation of airborne laser scanning point clouds with multi-view, multi-scale image blocks by Rönnholm, Petri, Hyyppä, Hannu, Hyyppä, Juha, Haggren, Henrik

    Published in Sensors (Basel, Switzerland) (01-08-2009)
    “…Comprehensive 3D modeling of our environment requires integration of terrestrial and airborne data, which is collected, preferably, using laser scanning and…”
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    Journal Article
  4. 4

    Evaluating the performance of university course units using data envelopment analysis by El-Mahgary, Sami, Rönnholm, Petri, Hyyppä, Hannu, Haggeén, Henrik, Koponen, Jenni

    Published in Cogent economics & finance (01-01-2014)
    “…The technique of data envelopment analysis (DEA) for measuring the relative efficiency has been widely used in the higher education sector. However, measuring…”
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    Journal Article
  5. 5

    Comparison of measurement techniques and static theory applied to concrete beam deformation by Rönnholm, Petri, Nuikka, Milka, Suominen, Antti, Salo, Panu, Hyyppä, Hannu, Pöntinen, Petteri, Haggrén, Henrik, Vermeer, Martin, Puttonen, Jari, Hirsi, Hannu, Kukko, Antero, Kaartinen, Harri, Hyyppä, Juha, Jaakkola, Anttoni

    Published in Photogrammetric record (01-12-2009)
    “…In this paper, terrestrial laser scanning (TLS), photogrammetric and total station measurements were compared with dial gauge observations in two different…”
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    Journal Article
  6. 6

    Calibration of laser-derived tree height estimates by means of photogrammetric techniques by Ronnholm, P, Hyyppa, J, Hyyppa, H, Haggren, H, Yu, X, Kaartinen, H

    Published in Scandinavian journal of forest research (01-12-2004)
    “…Techniques based on laser point clouds and digital terrestrial images were demonstrated for the calibration of tree-height estimation. Individual tree heights…”
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    Journal Article
  7. 7

    Depth camera indoor mapping for 3D virtual radio play by Virtanen, Juho‐Pekka, Kurkela, Matti, Turppa, Tuomas, Vaaja, Matti T., Julin, Arttu, Kukko, Antero, Hyyppä, Juha, Ahlavuo, Marika, von Numers, Jessica Edén, Haggrén, Henrik, Hyyppä, Hannu

    Published in Photogrammetric record (01-06-2018)
    “…By combining game engines with indoor mapping, it is possible to create interactive virtual environments that represent the real world. In this paper a virtual…”
    Get full text
    Journal Article
  8. 8

    Statistical analysis of two 3-D registration and modeling strategies by Jokinen, Olli, Haggrén, Henrik

    “…The paper deals with the registration and modeling of multiple 3-D profile maps acquired from different viewpoints by light striping. We analyze the…”
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    Journal Article
  9. 9

    Evaluating the performance of university course units using data envelopment analysis by El-Mahgary, Sami, Ronnholm, Petri, Hyyppa, Hannu, Haggren, Henrik, Koponen, Jenni

    Published in Cogent economics & finance (01-12-2014)
    “…The technique of data envelopment analysis (DEA) for measuring the relative efficiency has been widely used in the higher education sector. However, measuring…”
    Get full text
    Journal Article
  10. 10

    3D city model for mobile phone using MMS data by Lingli Zhu, Hyyppa, J., Kukko, A., Jaakkola, A., Lehtomaki, M., Kaartinen, H., Ruizhi Chen, Ling Pei, Yuwei Chen, Hyyppa, H., Ronnholm, P., Haggren, H.

    Published in 2009 Joint Urban Remote Sensing Event (01-05-2009)
    “…Recently, research towards using 3D city models for personal navigation has been rapidly increasing. In this paper, an approach for 3D city model…”
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    Conference Proceeding