Search Results - "Pulkkinen, Seppo"

Advection-Free Convolutional Neural Network for Convective Rainfall Nowcasting by Ritvanen, Jenna, Harnist, Bent, Aldana, Miguel, Makinen, Terhi, Pulkkinen, Seppo

“…Nowcasts (i.e., short-term forecasts from 5 minutes to 6 hours) of heavy rainfall are important for applications such as flash flood predictions. However,…”
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Effects of eight weeks of physical training on physical performance and heart rate variability in children by Kraama, Liisa, Yague, Pablo, Kyröläinen, Heikki, Pulkkinen, Seppo, Matinsalo, Tuuli, Linnamo, Vesa

“…Study aim: Physically active adults have been shown to have higher heart rate variability (HRV) than less active adults, but less is known about children in…”
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Ridge-based method for finding curvilinear structures from noisy data by Pulkkinen, Seppo

“…Extraction of curvilinear structures from noisy data is an essential task in many application fields such as data analysis, pattern recognition and machine…”
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Nonlinear kernel density principal component analysis with application to climate data by Pulkkinen, Seppo

“…Principal component analysis (PCA) is a well-established tool for identifying the main sources of variation in multivariate data. However, as a linear method…”
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Finding graph embeddings by incremental low-rank semidefinite programming by Pulkkinen, Seppo

“…Finding a low-dimensional embedding of a graph of n nodes in is an essential task in many applications. For instance, maximum variance unfolding (MVU) is a…”
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Pysteps: an open-source Python library for probabilistic precipitation nowcasting (v1.0) by Pulkkinen, Seppo, Nerini, Daniele, Pérez Hortal, Andrés A, Velasco-Forero, Carlos, Seed, Alan, Germann, Urs, Foresti, Loris

“…Pysteps is an open-source and community-driven Python library for probabilistic precipitation nowcasting, that is, very-short-range forecasting (0–6 h). The…”
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Nowcasting of Convective Rainfall Using Volumetric Radar Observations by Pulkkinen, Seppo, Chandrasekar, V., von Lerber, Annakaisa, Harri, Ari-Matti

“…Short-range forecasts (nowcasts) of rainfall facilitate providing early warning of severe rainfall and flooding, which is particularly important in densely…”
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DEUCE v1.0: a neural network for probabilistic precipitation nowcasting with aleatoric and epistemic uncertainties by Harnist, Bent, Pulkkinen, Seppo, Mäkinen, Terhi

“…Precipitation nowcasting (forecasting locally for 0–6 h) serves both public security and industries, facilitating the mitigation of losses incurred due to,…”
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The accuracy of weather radar in heavy rain: a comparative study for Denmark, the Netherlands, Finland and Sweden by Schleiss, Marc, Olsson, Jonas, Berg, Peter, Niemi, Tero, Kokkonen, Teemu, Thorndahl, Søren, Nielsen, Rasmus, Ellerbæk Nielsen, Jesper, Bozhinova, Denica, Pulkkinen, Seppo

“…Weather radar has become an invaluable tool for monitoring rainfall and studying its link to hydrological response. However, when it comes to accurately…”
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Applicability of open rainfall data to event-scale urban rainfall-runoff modelling by Niemi, Tero J., Warsta, Lassi, Taka, Maija, Hickman, Brandon, Pulkkinen, Seppo, Krebs, Gerald, Moisseev, Dmitri N., Koivusalo, Harri, Kokkonen, Teemu

“…•Open gauge and radar rainfall data as input to rainfall-runoff model are studied.•Runoff simulations are conducted at a 33.5ha urban catchment in Helsinki,…”
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Fully Spectral Method for Radar-Based Precipitation Nowcasting by Pulkkinen, Seppo, Chandrasekar, V., Harri, Ari-Matti

“…Short-term forecasts (nowcasts) of severe rainfall and flooding are of high importance to the society. In the collaborative adaptive sensing of the atmosphere…”
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Probabilistic radar-gauge merging by multivariate spatiotemporal techniques by Pulkkinen, Seppo, Koistinen, Jarmo, Kuitunen, Timo, Harri, Ari-Matti

“…•A statistical modeling scheme for biases and uncertainties in radar-based rainfall estimation.•The model incorporates auxiliary information such as distance…”
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Nowcasting of Precipitation in the High-Resolution Dallas-Fort Worth (DFW) Urban Radar Remote Sensing Network by Pulkkinen, Seppo, Chandrasekar, V., Harri, Ari-Matti

“…Short-term forecasting (nowcasting) of rainfall is widely used in providing early warning, and therefore, has very practical application. The CASA…”
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A generative model and a generalized trust region Newton method for noise reduction by Pulkkinen, Seppo, Mäkelä, Marko M., Karmitsa, Napsu

“…In practical applications related to, for instance, machine learning, data mining and pattern recognition, one is commonly dealing with noisy data lying near…”
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A continuation approach to mode-finding of multivariate Gaussian mixtures and kernel density estimates by Pulkkinen, Seppo, Mäkelä, Marko Mikael, Karmitsa, Napsu

“…Gaussian mixtures (i.e. linear combinations of multivariate Gaussian probability densities) appear in numerous applications due to their universal ability to…”
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Principals' Perceptions for Finnish- and Swedish-Language Schools in Finland: An Analysis of School-Level Indices From Programme for International Student Assessment 2009 by Harju-Luukkainen, Heidi, Vettenranta, Jouni, Kanervio, Pekka, Pulkkinen, Seppo

“…The Finnish educational system is known for its equality. However, in many key areas in national and international assessments, Swedish-language schools in…”
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Principals' Perceptions for Finnish- and Swedish-Language Schools in Finland: An Analysis of School-Level Indices From Programme for International Student Assessment 2009 by Harju-Luukkainen, Heidi, Vettenranta, Jouni, Kanervio, Pekka, Pulkkinen, Seppo

“…The Finnish educational system is known for its equality. However, in many key areas in national and international assessments, Swedish-language schools in…”
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Intraday probabilistic forecasts of solar resources with cloud scale-dependent autoregressive advection by Carpentieri, Alberto, Pulkkinen, Seppo, Nerini, Daniele, Folini, Doris, Wild, Martin, Meyer, Angela

“…Solar energy supply is usually highly volatile which limits its integration in the power grid. Accurate probabilistic intraday forecasts of solar resources are…”
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