Browsing Luonnontieteiden, metsätieteiden ja tekniikan tiedekunta by Title

Now showing items 327-346 of 1562

    • Data analytics approach to create waste generation profiles for waste management and collection 

      Niska, Harri; Serkkola, Ari (Elsevier BV, 2018)
      Extensive monitoring data on waste generation is increasingly collected in order to implement cost-efficient and sustainable waste management operations. In addition, geospatial data from different registries of the society ...
      Tieteelliset aikakauslehtiartikkelit

    • Data analytics on performance of computing students 

      Balogun, Oluwafemi Samson; Oyelere, Solomon Sunday; Atsa'am, Donald Douglas (ACM Press, 2019)
      This study was conducted to determine the relationship between computing students' initial and final academic performance to support decision making in higher education institutions. The data used in this research contains ...
      Artikkelit ja abstraktit tieteellisissä konferenssijulkaisuissa

    • Data Quality as Predictor of Voice Anti-Spoofing Generalization 

      Chettri, Bhusan; Hautamäki González, Rosa; Sahidullah, Md.; Kinnunen, Tomi (ISCA, 2021)
      Voice anti-spoofing aims at classifying a given utterance either as a bonafide human sample, or a spoofing attack (e.g. synthetic or replayed sample). Many anti-spoofing methods have been proposed but most of them fail to ...
      Artikkelit ja abstraktit tieteellisissä konferenssijulkaisuissa

    • The database of the PREDICTS (Projecting Responses of Ecological Diversity In Changing Terrestrial Systems) project 

      Hudson Lawrence N; Newbold Tim; Contu Sara; Hill Samantha LL; Lysenko Igor; De Palma Adriana; Phillips Helen RP; Alhusseini Tamera I; Bedford Felicity E; Bennet Dominic J; Booth Hollie; Burton Victoria J; Chng Charlotte WT; Choimes Argyrios; Correia David LP; Day Julie; Echeverría-Londoño Susy; Emerson Susan R; Gao Di; Garon Morgan et al. (Wiley-Blackwell, 2017)
      The PREDICTS project—Projecting Responses of Ecological Diversity In Changing Terrestrial Systems (www.predicts.org.uk)—has collated from published studies a large, reasonably representative database of comparable samples ...
      info:eu-repo/semantics/article

    • Decline of genetic diversity in ancient domestic stallions in Europe 

      Wutke, S; Sandoval-Castellanos, E; Benecke, N; Döhle, HJ; Friederich, S; Gonzalez, J; Hofreiter, M; Lõugas, L; Magnell, O; Malaspinas, AS; Morales-Muñiz, A; Orlando, L; Reissmann, M; Trinks, A; Ludwig, A (American Association for the Advancement of Science (AAAS), 2018)
      Present-day domestic horses are immensely diverse in their maternally inherited mitochondrial DNA, yet they show very little variation on their paternally inherited Y chromosome. Although it has recently been shown that Y ...
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    • Decompositions of Nakano norms by ODE techniques 

      Talponen, Jarno (Finnish Academy of Science and Letters, 2018)
      We study decompositions of Nakano type varying-exponent Lebesgue norms and spaces. These function spaces are represented here in a natural way as tractable varying-exponent ℓp sums of projection bands. The main results ...
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    • Decrease of Population Divergence in Eurasian Perch (Perca fluviatilis) in Browning Waters: Role of Fatty Acids and Foraging Efficiency 

      Scharnweber Kristin; Strandberg Ursula; Karlsson Konrad; Eklöv Peter (Public Library of Science (PLoS), 2016)
      Due to altered biogeochemical processes related to climate change, highly colored dissolved organic carbon (DOC) from terrestrial sources will lead to a water “brownification” in many freshwater systems of the Northern ...
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    • Decreased carbon accumulation feedback driven by climate-induced drying of two southern boreal bogs over recent centuries 

      Zhang, H; Väliranta, M; Piilo, S; Amesbury, MJ; Aquino-López, MA; Roland, TP; Salminen-Paatero, S; Paatero, J; Lohila, A; Tuittila, ES (Wiley, 2020)
      Northern boreal peatlands are important ecosystems in modulating global biogeochemical cycles, yet their biological communities and related carbon dynamics are highly sensitive to changes in climate. Despite this, the ...
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    • Deep convolutional neural networks for estimating porous material parameters with ultrasound tomography 

      Lähivaara, Timo; Kärkkäinen, Leo; Huttunen, Janne MJ; Hesthaven, Jan S (Acoustical Society of America (ASA), 2018)
      The feasibility of data based machine learning applied to ultrasound tomography is studied to estimate water-saturated porous material parameters. In this work, the data to train the neural networks is simulated by solving ...
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    • Deep generative variational autoencoding for replay spoof detection in automatic speaker verification 

      Chettri, Bhusan; Kinnunen, Tomi; Benetos, Emmanouil (Elsevier BV, 2020)
      Automatic speaker verification (ASV) systems are highly vulnerable to presentation attacks, also called spoofing attacks. Replay is among the simplest attacks to mount — yet difficult to detect reliably. The generalization ...
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    • Deep learning enables sleep staging from photoplethysmogram for patients with suspected sleep apnea 

      Korkalainen, H; Aakko, J; Duce, B; Kainulainen, S; Leino, A; Nikkonen, S; Afara, I O; Myllymaa, S; Töyräs, J; Leppänen, T (Oxford University Press (OUP), 2020)
      Study Objectives Accurate identification of sleep stages is essential in the diagnosis of sleep disorders (e.g. obstructive sleep apnea [OSA]) but relies on labor-intensive electroencephalogram (EEG)-based manual scoring. ...
      Tieteelliset aikakauslehtiartikkelit

    • Deep Learning for Dental Hyperspectral Image Analysis 

      Boiko, Oleksandr; Hyttinen, Joni; Fält, Pauli; Jäsberg, Heli; Mirhashemi, Arash; Kullaa, Arja; Hauta-Kasari, Markku (Society for Imaging Science & Technology, 2019)
      The aim of this work is automatic and efficient detection of medically-relevant features from oral and dental hyperspectral images by applying up-to-date deep learning convolutional neural network techniques. This will ...
      Artikkelit ja abstraktit tieteellisissä konferenssijulkaisuissa

    • Deep learning in photoacoustic tomography utilizing variational autoencoders 

      Sahlström, Teemu; Tarvainen, Tanja (Society of Photo-Optical Instrumentation Engineers (SPIE), 2023)

    • Deficient Values of Solutions of Linear Differential Equations 

      Gundersen, Gary G; Heittokangas, Janne; Wen, Zhi-Tao (Springer Science and Business Media LLC, 2021)
      Differential equations of the form f′′+A(z)f′+B(z)f=0 (*) are considered, where A(z) and B(z)≢0 are entire functions. The Lindelöf function is used to show that for any ρ∈(1/2,∞), there exists an equation of the form (*) ...
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    • Definition of a Learning Analytics Ecosystem for the ILEDA Project Piloting 

      Conde, Miguel; Georgiev, Atanas; López-Pernas, Sonsoles; Jovic, Jovana; Crespo-Martínez, Ignacio; Raspopovic Milic, Miroslava; Saqr, Mohammed; Pancheva, Katina (Springer Nature Switzerland AG, 2023)
      Understanding how students progress in their learning is an important step towards achieving the success of the educational process. One way of understanding student progress is by using learning analytics methods on ...

    • Deformation behaviors and mechanical impairments of tissue cracks in immature and mature cartilages 

      Moo, Eng Kuan; Al-Saffar, Yasir; Le, Tina; Seerattan, Ruth A; Pingguan-Murphy, Belinda; Korhonen, Rami K; Herzog, Walter (Wiley, 2021)
      Degeneration of articular cartilage is often triggered by a small tissue crack. As cartilage structure and composition change with age, the mechanics of cracked cartilage may depend on the tissue age, but this relationship ...
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    • Degradation potentials of dissolved organic carbon (DOC) from thawed permafrost peat 

      Selvam BP; Lapierre JF; Guillemette F; Voigt C; Lamprecht RE; Biasi C; Christensen TR; Martikainen PJ; Berggren M (Springer Nature, 2017)
      Global warming can substantially affect the export of dissolved organic carbon (DOC) from peat-permafrost to aquatic systems. The direct degradability of such peat-derived DOC, however, is poorly constrained because previous ...
      info:eu-repo/semantics/article

    • Delivering Integrated Pest and Pollinator Management (IPPM) 

      Egan, Paul A; Dicks, Lynn V; Hokkanen, Heikki M T; Stenberg Johan A (Elsevier BV, 2020)
      The need to reduce pollinator exposure to harmful pesticides has led to calls to expedite the adoption of integrated pest management (IPM). We make the case that IPM is not explicitly ‘pollinator friendly’, but rather must ...
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    • Dendritic Carbene Metal Carbazole Complexes as Photoemitters for Fully Solution-Processed OLEDs 

      Romanov, Alexander S; Yang, Le; Jones, Saul T E; Di, Dawei; Morley, Olivia J; Morley Bluebell, H Morley; Reponen, Antti P M; Linnolahti, Mikko; Credgington, Dan; Bochmann, Manfred (American Chemical Society (ACS), 2019)
      Light-emitting carbene-metal amide complexes bearing first- and second-generation carbazole dendron ligands are reported, (AdL)M(Gn), (M = Cu and Au; Gn carbazole dendrimer generation, where n = 1 and 2; AdL = adamantyl- ...
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    • Dendrokronologisia ajoitustuloksia uuden ajan alun kohteista : Turun Qwenselin talo, Lokalahden kellotapuli ja Keminmaan vanhan kirkon puuholvi 

      Savolainen, Panu; Aakala, Tuomas; Huttunen, Marko; Laine, Laura; Wallenius, Tuomo; Viinikkala, Lauri (Suomen keskiajan arkeologian seura, 2022)
      This article examines new dendrochronological dating results from three early modern buildings in Finland, Qwensel house in Turku, Lokalahti belfry and Keminmaa Old Church wooden vault. The article engages dendrochronological ...