Výsledky vyhledávání - "Juha Köykkä"

Akademický článek

Leveraging High-Resolution Long-Wave Infrared Hyperspectral Laboratory Imaging Data for Mineral Identification Using Machine Learning Methods

Autor: Alireza Hamedianfar, Kati Laakso, Maarit Middleton, Tuomo Törmänen, Juha Köykkä, Johanna Torppa

Publikováno v: Remote Sensing, Vol 15, Iss 19, p 4806 (2023)

Laboratory-based hyperspectral imaging (HSI) is an optical non-destructive technology used to extract mineralogical information from bedrock drill cores. In the present study, drill core scanning in the long-wave infrared (LWIR; 8000–12,000 nm) wav

Externí odkaz: https://doaj.org/article/98da22ca113a466daefb8cc26a7d0347

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Applying self-organizing maps to characterize hyperspectral drill core data from three ore prospects in Northern Finland

Autor: Kati S. Laakso, Samuli Haavikko, Markku Korhonen, Juha Köykkä, Maarit Middleton, Vesa Nykänen, Jarmo Rauhala, Akseli Torppa, Johanna Torppa, Tuomo Törmänen

Publikováno v: Earth Resources and Environmental Remote Sensing/GIS Applications XIII.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a00b8170f7bd7f1fdfc0d1f9c9209d87
https://doi.org/10.1117/12.2635988

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Multiply deformed Paleoproterozoic foreland fold and thrust belt in northern Fennoscandia – The peripheral Kuusamo belt as a key example

Autor: Raimo Lahtinen, Juha Köykkä

Publikováno v: Precambrian Research. 346:105825

The Central Lapland belt (CLB), Perapohja belt (PB), and Kuusamo belt (KB) form an important part of northern Fennoscandia and record ca. 700 Ma (2.5–1.8 Ga) of Precambrian tectonic processes. The 2.5–2.1 Ga sedimentary-volcanic successions in th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a9e706d5609443cc0cbb9fd61071eadc
https://doi.org/10.1016/j.precamres.2020.105825

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