Optimizing the logistical routing of agricultural side-streams to a biogas plant for a circular bioeconomy implementation
Eloranta, K., Koskela, O., Tampio, E., Kanniainen, J. & Saari, U. A. (2025). Bioresource Technology Reports. https://doi.org/10.1016/j.biteb.2025.102097
Eläinkohtaisen vedenjuonnin seurantamenetelmä ultraäänisensoria käyttäen
Koskela, O., Ketonen, M., Pösö, J., Käkelä, P., Kunttu, I. & Pölönen, I. (2022). HAMK Unlimited Journal, 14.11.2022. https://urn.fi/URN:NBN:fi-fe2022110464600
Deep learning image recognition of cow behavior and an open data set acquired near an automatic milking robot
Koskela, O., Pereira, L. S. B., Pölönen, I., Aronen, I. & Kunttu, I. (2022). Agricultural and Food Science, 31(2), 89-103. https://doi.org/10.23986/afsci.111665
Towards agricultural soil carbon monitoring, reporting, and verification through the Field Observatory Network (FiON)
Nevalainen, O., Niemitalo, O., Fer, I., Juntunen, A., Mattila, T., Koskela, O., Kukkamäki, J., Höckerstedt, L., Mäkelä, L., Jarva, P., Heimsch, L., Vekuri, H., Kulmala, L., Stam, Å., Kuusela, O., Gerin, S., Viskari, T., Vira, J., Hyväluoma, J., Tuovinen, J.-P., Lohila, A., Laurila, T., Heinonsalo, J., Aalto, T., Kunttu, I. & Liski, J. (2022). Geoscientific Instrumentation, Methods and Data Systems Discussions, 2021, 1-26. https://doi.org/10.5194/gi-11-93-2022
Simulating a Biorefinery Ecosystem to Manage andMotivate Sustainable Regional Nutrient Circulation
Koskela, O., Dempers, C., Kymäläinen, M. & Nummela, J. (2021). Technology Innovation Management Review, 11(2), 33-43. http://doi.org/10.22215/timreview/1421
Navetta 4.0—navetan olosuhteiden jatkuva mittaaminen
Koskela, O., Virtanen, K., Kukkamäki, J., Aronen, I. & Kunttu, I. (2020). Suomen Maataloustieteellisen Seuran Tiedote, (38), 1-7. https://doi.org/10.33354/smst.89300
Lehti- ja kirja-artikkelit // Papers in journals and books
Multifrequency electrical impedance tomography in biological applications: A multimodal perspective
Lehti-Polojärvi, M., Koskela, O. & Hyttinen, J. (2021). In Bioimpedance and Spectroscopy (pp. 157-189). Academic Press. https://doi.org/10.1016/B978-0-12-818614-5.00005-9
Optical projection tomography as a quantitative tool for analysis of cell morphology and density in 3D hydrogels
Belay, B., Koivisto, J. T., Parraga, J., Koskela, O., Montonen, T., Kellomäki, M., Figueiras, E. & Hyttinen, J. (2021). Scientific Reports, 11(1), 1-10. https://doi.org/10.1038/s41598-021-85996-8
Torus computed tomography
Ilmavirta, J., Koskela, O. & Railo, J. (2020). SIAM Journal on Applied Mathematics, 80(4), 1947-1976. https://doi.org/10.1137/19M1268070
Gaussian Light Model in Brightfield optical projection tomography
Koskela, O., Montonen, T., Belay, B., Figueiras, E., Pursiainen, S. & Hyttinen, J. (2019). Scientific reports, 9(1), 1-14. https://doi.org/10.1038/s41598-019-50469-6
A mathematical model and iterative inversion for fluorescent optical projection tomography
Koljonen, V., Koskela, O., Montonen, T., Rezaei, A., Belay, B., Figueiras, E., Hyttinen, J. & Pursiainen, S. (2019). Physics in medicine and biology, https://doi.org/10.1088/1361-6560/aafd63
Rotational electrical impedance tomography using electrodes with limited surface coverage provides window for multimodal sensing
Lehti-Polojärvi, M., Koskela, O., Seppänen, A., Figueiras, E. & Hyttinen, J. (2018). Measurement Science and Technology, 29(2), 025401. https://doi.org/10.1088/1361-6501/aa97f1
Konferenssijulkaisut // Conference papers
Optical projection tomography for particle counting and morphology analysis
Koskela, O., Chowdhury, M. T. K., Montonen, T., Belay, B., Pursiainen, S. & Hyttinen, J. (2021).In 8th European Medical and Biological Engineering Conference: Proceedings of the EMBEC 2020, November 29–December 3, 2020 Portorož, Slovenia (pp. 944-951). Springer International Publishing. https://doi.org/10.1007/978-3-030-64610-3_105
Finite element mapping for efficient image reconstruction in rotational electrical impedance tomography
Koskela, O., Lehti-Polojärvi, M., Seppänen, A., Figueiras, E. & Hyttinen, J. (2019). In World Congress on Medical Physics and Biomedical Engineering 2018: June 3-8, 2018, Prague, Czech Republic (Vol. 2) (pp. 901-904). Springer Singapore. https://doi.org/10.1007/978-981-10-9038-7_166
Computational model for multifocal imaging in optical projection tomography and numerical analysis of all-in-focus fusion in tomographic image reconstruction
Koskela, O., Pursiainen, S., Belay, B., Montonen, T., Figueiras, E. & Hyttinen, J. (2018). In EMBEC & NBC 2017: Joint Conference of the European Medical and Biological Engineering Conference (EMBEC) and the Nordic-Baltic Conference on Biomedical Engineering and Medical Physics (NBC), Tampere, Finland, June 2017 (pp. 282-285). Springer Singapore. https://doi.org/10.1007/978-981-10-5122-7_71
Texture-property relations of bioamine crosslinked gellan gum hydrogels
Koivisto, J. T., Koskela, O., Montonen, T., Parraga, J. E., Joki, T., Ylä-Outinen, L., Narkilahti, S., Figueiras, E. & Kellomäki, M. (2018). In EMBEC & NBC 2017: Joint Conference of the European Medical and Biological Engineering Conference (EMBEC) and the Nordic-Baltic Conference on Biomedical Engineering and Medical Physics (NBC), Tampere, Finland, June 2017 (pp. 189-192). Springer Singapore. https://doi.org/10.1007/978-981-10-5122-7_48
Optical projection tomography imaging of single cells in 3D gellan gum hydrogel
Belay, B., Koivisto, J. T., Vuornos, K., Montonen, T., Koskela, O., Lehti-Polojärvi, M., Miettinen, S., Kellomäki, M., Figueiras, E. & Hyttinen, J. (2018). In EMBEC & NBC 2017: Joint Conference of the European Medical and Biological Engineering Conference (EMBEC) and the Nordic-Baltic Conference on Biomedical Engineering and Medical Physics (NBC), Tampere, Finland, June 2017 (pp. 996-999). Springer Singapore. https://doi.org/10.1007/978-981-10-5122-7_249
Computational model for simulating multifocal imaging in optical projection tomography
Koskela, O., Belay, B., Pursiainen, S., Figueiras, E. & Hyttinen, J. (2017, June). In Mathematics in Imaging (pp. MTu1C-3). Optica Publishing Group. https://doi.org/10.1364/MATH.2017.MTu1C.3
Lehti- ja kirja-artikkelit // Papers in journals and books
On Hourly Forecasting Heating Energy Consumption of HVAC with Recurrent Neural Networks
Metsä-Eerola, I., Pulkkinen, J., Niemitalo, O. & Koskela, O. (2022). Energies, 15(14), 5084. https://doi.org/10.3390/en15145084
Konferenssijulkaisut // Conference papers
Data-Driven Management of Material Flows in Circular Economy by Logistics Optimization
Järvenpää, A.-M., Jussila, J., Honkasaari, M., Koskela, O., & Kunttu, I. (2022). In The International Research & Innovation Forum (pp. 569-578). Cham: Springer International Publishing. https://doi.org/10.1007/978-3-031-19560-0_48
Applying a Genetic Algorithm for Sequencing Optimization in a Mixed-Model Manufacturing Assembly Line
Niemitalo, O., Ekkerman, G., Koskela, O. & Pulkkinen, J. (2021). 37th International Manufacturing Conference. https://doi.org/10.5281/zenodo.8058628
Juontikäyttäytymisen seuranta mahdollisena lehmien hyvinvoinnin valvontamenetelmänä
Tuomisto, L., Sairanen, A. & Koskela, O. HAMK Unlimited Professional, 17.4.2025. https://urn.fi/URN:NBN:fi-fe2025040925235
Älyjuoma-automaatti 2022 -hankkeen innovaatioryhmän pohdintaa lehmien juonnista
Koskela, O. & Vartiainen, P. HAMK Unlimited Professional, 25.2.2025. https://urn.fi/URN:NBN:fi-fe2025021712443
Using RFID tags for identifying cows in open space – trials and errors
Hattingh, G. & Koskela, O. HAMK Unlimited Professional, 21.2.2025. https://urn.fi/URN:NBN:fi-fe2025021712428
Näkökulmia materiaalivirtojen kuljetusten tehostamiseen
Koskela, O., Ekkerman, G., Rantala, P., Niemitalo, O., Kunttu, I. & Järvenpää, A.-M. HAMK Unlimited Journal, 14.5.2024. https://urn.fi/URN:NBN:fi-fe2024050627139
JÄRKKI –Jätevesilietteiden ravinteet keskittäen kiertoon (video)
Kymäläinen, M., Tiainen, S., Vartiainen, P., Koskela, O., Närhi, J. & Lönnqvist, M. (2022). HAMK Unlimited Professional 20.12.2022. https://urn.fi/URN:NBN:fi-fe2022122072791
Mitä data-analytiikka on? (video)
Koskela, O. & Vahtila, O. (2022). YouTube 17.3.2022. https://youtu.be/XbTXTVg-MLY
Avoimen datan ratkaisuja biotalouteen
Saarinen, J. & Koskela, O. (2020). Teoksessa J. Kukkamäki & M. Tarkkala (toim.), Avoin Häme. HAMK Unlimited Professional 1.6.2020. https://urn.fi/URN:NBN:fi-fe2020060139968
Cow drinking monitoring tests with ultrasonic sensor setup Aug 12th and Sep 20th, 2022
Koskela, O., Ketonen, M. & Pölönen, I. (2022). https://doi.org/10.5281/zenodo.7276702
Data set of labeled scenes in a barn in front of automatic milking system
Benitez Pereira, L. S., Koskela, O., Pölönen, I. & Kunttu, I. (2020) https://doi.org/10.5281/zenodo.3981400
Barn 4.0 measurements with ELSYS ERS-CO2 device
Koskela, O., Partanen, A., Kukkamäki, J. & Kunttu, I. (2020). https://doi.org/10.5281/zenodo.3632702
Optical projection tomography images of Invitrogen™ beads
Koskela, O., Chowdhury, M. T. K., Montonen, T., & Hyttinen, J. (2020). https://doi.org/10.5281/zenodo.3632331
Matlab implementation of Torus CT
Koskela, O. & Railo, J. (2019). https://doi.org/10.5281/zenodo.3243363
fOPT tools
Koljonen, V., Koskela, O. & Montonen, T. (2018). https://doi.org/10.5281/zenodo.2453944
Iterative solution of inverse Radon transform with a Gaussian beam model
Koskela, O., Pursiainen, S. & Montonen, T. (2018). https://doi.org/10.5281/zenodo.1469361