Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Esa Niemi"'
Publikováno v:
Mathematical Methods in the Applied Sciences. 40:6649-6669
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8b72afdc8363b6cb7f3b9c5682bb176f
https://doi.org/10.1002/mma.4480
https://doi.org/10.1002/mma.4480
Autor:
Keijo Hämäläinen, Matti Lassas, Kati Niinimäki, Aki Kallonen, Samuli Siltanen, Ville Kolehmainen, Esa Niemi
Publikováno v:
SIAM Journal on Imaging Sciences. 9:938-974
A computational method is introduced for choosing the regularization parameter for total variation (TV) regularization. A partial understanding of the properties of the method is provided by rigorously proving that the TV norms of the reconstructions
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8e59a2b8c460487feae15d8548915727
https://doi.org/10.1137/15m1034076
https://doi.org/10.1137/15m1034076
Publikováno v:
JOURNAL OF COMPUTATIONAL PHYSICS. 291:218-237
A novel variant of the level set method is introduced for dynamic X-ray tomography. The target is allowed to change in time while being imaged by one or several source-detector pairs at a relatively high frame-rate. The algorithmic approach is motiva
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cbae43a093ebb814350823dfed99a782
https://doi.org/10.1016/j.jcp.2015.03.016
https://doi.org/10.1016/j.jcp.2015.03.016
Publikováno v:
Inverse Problems & Imaging. 6:77-94
Inverse obstacle scattering aims to extract information about distant and unknown targets using wave propagation. This study concentrates on a two-dimensional setting using time-harmonic acoustic plane waves as incident fields and taking the obstacle
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3534e89bd7e705bd81d6d1e99fc1b6ad
https://doi.org/10.3934/ipi.2012.6.77
https://doi.org/10.3934/ipi.2012.6.77
Publikováno v:
ISPA
A novel time-dependent tomographic imaging modality with multiple source-detector pairs in fixed positions is discussed. All detectors record simultaneously time-dependent radiographic data (“X-ray videos”) of a moving object, such as a beating h
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::33a98aff57bf6f0b3475ab1d9901e9a6
https://doi.org/10.1109/ispa.2013.6703813
https://doi.org/10.1109/ispa.2013.6703813
Autor:
Milos Prokysek, Anna-Maria Mekota, Mikko Ojala, Miroslava Černochová, Els Haak, Kent Löfgren, Joachim Kahlert, Kati Mäkitalo-Siegl, Frank Fischer, Pia Heikkinen, Esa Niemi, Frits Achterberg, Antti Peltonen
Publikováno v:
RUA. Repositorio Institucional de la Universidad de Alicante
Universidad de Alicante (UA)
Universidad de Alicante (UA)
In a European-wide effort to improve the professional development of teachers, the 2AgePro project was conducted from November 2008 to October 2010. One of its goals was to develop and test different forms of intergenerational teacher collaboration a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::415ff9f8b1a11a5b3d0507985bbdcd2e
http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-74409
http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-74409
Autor:
Esa Nieminen
Publikováno v:
Media & Viestintä, Vol 28, Iss 1 (2005)
Externí odkaz:
https://doaj.org/article/ed424f4d11fe42ff8da9ebc00e0e8586