Browsing Luonnontieteiden, metsätieteiden ja tekniikan tiedekunta by Title

Now showing items 146-165 of 1562

    • Associations of Particulate Matter Sizes and Chemical Constituents with Blood Lipids: A Panel Study in Guangzhou, China 

      He, Zhi-Zhou; Guo, Peng-Yue; Xu, Shu-Li; Zhou, Yang; Jalaludin, Bin; Leskinen, Ari; Knibbs, Luke D; Heinrich, Joachim; Morawska, Lidia; Yim, Steve Hung-Lam; Bui, Dinh; Komppula, Mika; Roponen, Marjut; Hu, Liwen; Chen, Gongbo; Zeng, Xiao-Wen; Yu, Yunjiang; Yang, Bo-Yi; Dong, Guanghui (American Chemical Society (ACS), 2021)
      Existing evidence is scarce concerning the various effects of different PM sizes and chemical constituents on blood lipids. A panel study that involved 88 healthy college students with five repeated measurements (440 blood ...
      Tieteelliset aikakauslehtiartikkelit

    • Asthmatic farm children show increased CD3+CD8low T-cells compared to non-asthmatic farm children 

      Twardziok M; Schröder PC; Krusche J; Casaca VI; Illi S; Böck A; Loss GJ; Kabesch M; Toncheva A; Roduit C; Depner M; Genuneit J; Renz H; Roponen M; Weber J; Braun-Fahrländer C; Riedler J; Lauener R; Vuitton DA; Dalphin JC et al.; the PASTURE Study Group (Elsevier BV, 2017)
      Several studies report an important role of CD8+ cytotoxic T-cells in atopy. Farm children show protection against atopy development, partly explained by CD4+ T-cell subtypes. Additional effects of CD8+ T-cells are unknown ...
      Tieteelliset aikakauslehtiartikkelit

    • The ASVspoof 2017 Challenge: Assessing the Limits of Replay Spoofing Attack Detection 

      Kinnunen, Tomi; Sahidullah, Md; Delgado, Hector; Todisco, Massimiliano; Evans, Nicholas; Yamagishi, Junichi; Lee, Kong Aik (ISCA (the International Speech Communication Association), 2017)
      The ASVspoof initiative was created to promote the development of countermeasures which aim to protect automatic speaker verification (ASV) from spoofing attacks. The first community-led, common evaluation held in 2015 ...
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    • ASVspoof 2019: A large-scale public database of synthetized, converted and replayed speech 

      Wang, Xin; Yamagishi, Junichi; Todisco, Massimiliano; Delgado, Héctor; Nautsch, Andreas; Evans, Nicholas; Sahidullah, Md; Vestman, Ville; Kinnunen, Tomi; Lee, Kong Aik; Juvela, Lauri; Alku, Paavo; Peng, Yu-Huai; Hwang, Hsin-Te; Tsao, Yu; Wang, Hsin-Min; Maguer, Sébastien Le; Becker, Markus; et al. (Elsevier BV, 2020)
      Automatic speaker verification (ASV) is one of the most natural and convenient means of biometric person recognition. Unfortunately, just like all other biometric systems, ASV is vulnerable to spoofing, also referred to ...
      Tieteelliset aikakauslehtiartikkelit

    • ASVspoof: the Automatic Speaker Verification Spoofing and Countermeasures Challenge 

      Wu Zhizheng; Yamagishi Junichi; Kinnunen Tomi; Hanilci Cemal; Sahidullah Mohammed; Sizov Aleksandr; Evans Nicholas; Todisco Massimiliano; Delgado Hector (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Concerns regarding the vulnerability of automatic speaker verification (ASV) technology against spoofing can undermine confidence in its reliability and form a barrier to exploitation. The absence of competitive evaluations ...
      info:eu-repo/semantics/article

    • Atlas-informed computational processing pipeline for individual targeting of brain areas for therapeutic navigated transcranial magnetic stimulation 

      Reijonen, Jusa; Könönen, Mervi; Tuunanen, Pasi; Määttä, Sara; Julkunen, Petro (Elsevier BV, 2021)
      Objective Navigated transcranial magnetic stimulation (nTMS) is targeted at different cortical sites for diagnostic, therapeutic, and neuroscientific purposes. Correct identification of the cortical target areas is important ...
      Tieteelliset aikakauslehtiartikkelit

    • Atmospheric new particle formation at the research station Melpitz, Germany: connection with gaseous precursors and meteorological parameters 

      Größ, J; Hamed, A; Sonntag, A; Spindler, G; Manninen, HE; Nieminen, T; Kulmala, M; Hõrrak, U; Plass-Dülmer, C; Wiedensohler, A; Birmili, W (Copernicus GmbH, 2018)
      This paper revisits the atmospheric new particle formation (NPF) process in the polluted Central European troposphere, focusing on the connection with gas-phase precursors and meteorological parameters. Observations were ...
      Tieteelliset aikakauslehtiartikkelit

    • Atomistic simulations of the swelling behaviour of Na-montmorillonite in mixed NaCl and CaCl2 solutions 

      Akinwunmi, B; Kporha, FEA; Hirvi, JT; Kasa, S; Pakkanen, TA (Elsevier BV, 2020)
      Using molecular dynamics simulations, the interlayer swelling pressure of Na-montmorillonite clay was determined at different dry densities and ionic strengths while varying the concentration of NaCl and CaCl2. The composition ...
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    • Attractive Educational Robotics Motivates Younger Students to Learn Programming and Computational Thinking 

      Jormanainen, Ilkka; Tukiainen, Markku (ACM, 2020)
      Educational robotics and physical computing have proved to be good sources of motivation for students of all ages and school levels. We conducted a series of workshops in the primary schools of city of Joensuu in eastern ...
      Artikkelit ja abstraktit tieteellisissä konferenssijulkaisuissa

    • Audiovisual Synchrony Detection with Optimized Audio Features 

      Sieranoja, Sami; Sahidullah, Md; Kinnunen, Tomi; Komulainen, Jukka; Hadid, Abdenour (IEEE, 2018)
      Audiovisual speech synchrony detection is an important part of talking-face verification systems. Prior work has primarily focused on visual features and joint-space models, while standard mel-frequency cepstral coefficients ...
      Artikkelit ja abstraktit tieteellisissä konferenssijulkaisuissa

    • Auditory-circuit-motivated deep network with application to short-term electricity price forecasting 

      Wu, Han; Liang, Yan; Gao, Xiao-Zhi; Du, Pei (Elsevier Ltd, 2024)
      Reliable electricity price forecasts are of great importance to operators and participants in power markets. However, due to mixing effects of various factors, electricity price fluctuations are too complex to extract ...

    • Augmenting Microsurgical Training: Microsurgical Instrument Detection Using Convolutional Neural Networks 

      Leppänen, Tomi; Vrzakova, Hana; Bednarik, Roman; Kanervisto, Anssi; Elomaa, Antti-Pekka; Huotarinen, Antti; Bartczak, Piotr; Fraunberg, Mikael; Jääskeläinen, Juha E (IEEE, 2018)
      In video-based training, clinicians practice and advance their skills on surgeries performed by their colleagues and themselves. Although microsurgeries are recorded daily, training centers are lacking the workforce to ...
      Artikkelit ja abstraktit tieteellisissä konferenssijulkaisuissa

    • Automated image analysis tool to measure microbial growth on solid cultures 

      Ancin-Murguzur, Fransisco Javier; Barbero-López, Aitor; Kontunen-Soppela, Sari; Haapala, Antti (Elsevier BV, 2018)
      Microbial growth on culture media is a commonplace technique to estimate the growth rate and virulence of microbes, assess inhibitory effects of compounds and estimate potential damages of plant pathogens in agriculture. ...
      Tieteelliset aikakauslehtiartikkelit

    • Automatic individual identification of Saimaa ringed seals 

      Chehrsimin Tina; Eerola Tuomas; Koivuniemi Meeri; Auttila Miina; Levänen Riikka; Niemi Marja; Kunnasranta Mervi; Kälviäinen Heikki (Institution of Engineering and Technology (IET), 2017)
      In order to monitor an animal population and to track individual animals in a non-invasive way, identification of individual animals based on certain distinctive characteristics is necessary. In this study, automatic ...
      info:eu-repo/semantics/article

    • Available insect prey in bark patches selected by the Three-toed Woodpecker Picoides tridactylus prior to reproduction 

      Fayt, Philippe (Suomen lintutieteellinen yhdistys, 1999)
      The diet composition of the Three-toed Woodpecker (Picoides tridactylus) before the onset of egg laying was investigated in eastern Finland. This was carried out in 1997 and 1998 by collecting bark samples from woodpecker ...
      article

    • Background-oriented schlieren sensitivity in terms of geometrical parameters of measurement setup 

      Koponen, Eero; Leskinen, Jarkko; Tarvainen, Tanja; Pulkkinen, Aki (AIP Publishing LLC, 2023)
      Background-oriented schlieren imaging is a recently proposed noninvasive optical method for imaging of full ultrasound fields. In this work, the impact of uncertainty in geometrical parameters of a background-oriented ...

    • Bacterial community structure and function shift across a northern boreal forest fire chronosequence 

      Sun Hui; Santalahti Minna; Pumpanen Jukka; Köster Kajar; Berninger Frank; Raffaello Tommaso; Asiegbu Fred O; Heinonsalo Jussi (Springer Nature, 2016)
      Soil microbial responses to fire are likely to change over the course of forest recovery. Investigations on long-term changes in bacterial dynamics following fire are rare. We characterized the soil bacterial communities ...
      info:eu-repo/semantics/article

    • Balanced k-means revisited 

      de Maeyer, Rieke; Sieranoja, Sami; Fränti, Pasi (AIMS Press, 2023)
      The k-means algorithm aims at minimizing the variance within clusters without considering the balance of cluster sizes. Balanced k-means defines the partition as a pairing problem that enforces the cluster sizes to be ...

    • Base-catalyzed oxidative depolymerization of softwood kraft lignin 

      Paananen, Hanna; Eronen, Eemeli; Mäkinen, Marko; Jänis, Janne; Suvanto, Mika; Pakkanen, Tuula T (Elsevier BV, 2020)
      Lignin is an important aromatic biopolymer with the structure based on phenolic units. Depolymerized lignin materials can be useful substitutes for phenol in phenol-formaldehyde resins. Our aim was to examine the potential ...
      Tieteelliset aikakauslehtiartikkelit

    • Bayesian aerosol retrieval algorithm for MODIS AOD retrieval over land 

      Lipponen, Antti; Mielonen, Tero; Pitkänen, Mikko R A; Levy, Robert C; Sawyer, Virginia R; Romakkaniemi, Sami; Kolehmainen, Ville; Arola, Antti (Copernicus GmbH, 2018)
      We have developed a Bayesian aerosol retrieval (BAR) algorithm for the retrieval of aerosol optical depth (AOD) over land from the Moderate Resolution Imaging Spectroradiometer (MODIS). In the BAR algorithm, we simultaneously ...
      Tieteelliset aikakauslehtiartikkelit