"Åkerblom, Markku" - Selaus tekijän mukaan TUNICRIS-julkaisut

    • 20th Inverse Days 2014, Tampere 9th-11th December 2014: Abstracts 

      Åkerblom, Markku
      Tampere University of Technology. Department of Mathematics. Research Report (2014)
      commissioned
      Proceedings of the Inverse Days 2014 conference organized in Tampere 9th - 11th December 2014. This document contains the schedule of the conference, the list of participants and the abstracts of the talks given at the conference.
    • Analysing individual 3D tree structure using the R package ITSMe 

      Terryn, Louise; Calders, Kim; Åkerblom, Markku; Bartholomeus, Harm; Disney, Mathias; Levick, Shaun; Origo, Niall; Raumonen, Pasi; Verbeeck, Hans (15.01.2022)
      article
      <p>Detailed 3D quantification of tree structure plays a crucial role in understanding tree- and plot-level biophysical processes. Light detection and ranging (LiDAR) has led to a revolution in tree structural ...
    • Automatic tree species recognition with quantitative structure models 

      Åkerblom, Markku; Raumonen, Pasi; Mäkipää, Raisa; Kaasalainen, Mikko (15.03.2017)
      article
      We present three robust methods to accurately and automatically recognize tree species from terrestrial laser scanner data. The recognition is based on the use of quantitative structure tree models, which are hierarchical ...
    • Bayes Forest: A data-intensive generator of morphological tree clones 

      Potapov, Ilya; Järvenpää, Marko; Åkerblom, Markku; Raumonen, Pasi; Kaasalainen, Mikko (2017)
      article
      <p>Detailed and realistic tree form generators have numerous applications in ecology and forestry. For example, the varying morphology of trees contributes differently to formation of landscapes, natural habitats of ...
    • Fitting Geometric Shapes to Fuzzy Point Cloud Data 

      Verhoeven, Vincent B.; Raumonen, Pasi; Åkerblom, Markku (01 / 2025)
      article
      This article describes procedures and thoughts regarding the reconstruction of geometry-given data and its uncertainty. The data are considered as a continuous fuzzy point cloud, instead of a discrete point cloud. Shape ...
    • Non-intersecting leaf insertion algorithm for tree structure models 

      Åkerblom, Markku; Raumonen, Pasi; Casella, Eric; Disney, Mathias I.; Danson, F. Mark; Gaulton, Rachel; Schofield, Lucy A.; Kaasalainen, Mikko (06.04.2018)
      article
      <p>We present an algorithm and an implementation to insert broadleaves or needleleaves into a quantitative structure model according to an arbitrary distribution, and a data structure to store the required information ...
    • Quantitative Tree Reconstruction from Terrestrial Laser Scanning Data and Applications 

      Åkerblom, Markku
      Tampere University of Technology. Publication (25.05.2018)
      doc
      Understanding the structure and dynamics of trees and forest is key in studying the environment and understanding current and future climates. Development has been fast in measurement technology for these purposes, as it ...
    • Realistic forest stand reconstruction from terrestrial LiDAR for radiative transfer modelling 

      Calders, Kim; Origo, Niall; Burt, Andrew; Disney, Mathias; Nightingale, Joanne; Raumonen, Pasi; Åkerblom, Markku; Malhi, Yadvinder; Lewis, Philip (01.06.2018)
      article
      <p>Forest biophysical variables derived from remote sensing observations are vital for climate research. The combination of structurally and radiometrically accurate 3D "virtual" forests with radiative ...
    • Simulating solar-induced chlorophyll fluorescence in a boreal forest stand reconstructed from terrestrial laser scanning measurements 

      Liu, Weiwei; Atherton, Jon; Mõttus, Matti; Gastellu-Etchegorry, Jean Philippe; Malenovský, Zbyněk; Raumonen, Pasi; Åkerblom, Markku; Mäkipää, Raisa; Porcar-Castell, Albert (2019)
      article
      <p>Solar-induced chlorophyll fluorescence (SIF) has been shown to be a suitable remote sensing proxy of photosynthesis at multiple scales. However, the relationship between fluorescence and photosynthesis observed ...
    • Terrestrial laser scanning: A new standard of forest measuring and modelling? 

      Åkerblom, Markku; Kaitaniemi, Pekka (2021)
      reviewarticle
      <p>Background: Laser scanning technology has opened new horizons for the research of forest dynamics, because it provides a largely automated and non-destructive method to rapidly capture the structure of individual ...
    • Tree species classification using structural features derived from terrestrial laser scanning 

      Terryn, Louise; Calders, Kim; Disney, Mathias; Origo, Niall; Malhi, Yadvinder; Newnham, Glenn; Raumonen, Pasi; Åkerblom, Markku; Verbeeck, Hans (01.10.2020)
      article
      Fast and automated collection of forest data, such as species composition information, is required to support climate mitigation actions. Recently, there have been significant advances in the use of terrestrial laser ...
    • Uncertainty in multispectral lidar signals caused by incidence angle effects 

      Kaasalainen, Sanna; Åkerblom, Markku; Nevalainen, Olli; Hakala, Teemu; Kaasalainen, Mikko (06.04.2018)
      article
      <p>Multispectral terrestrial laser scanning (TLS) is an emerging technology. Several manufacturers already offer commercial dual or three wavelength airborne laser scanners, while multispectral TLS is still carried ...