Multimedia and New Models of Learning in the Internet - Jyrki Pulkkinen; Esa Niemi (Multimedia Technology and Applications, 1996)

WWW Technology and New Models of Learning. - Jyrki Pulkkinen; Esa Niemi (WebNet, 1996)

Dynamic X-ray tomography with multiple sources. - Esa Niemi; Matti Lassas; Samuli Siltanen (ISPA, 2013)

Dynamic multi-source X-ray tomography using a spacetime level set method. - Esa Niemi; Matti Lassas; Aki Kallonen; Lauri Harhanen; Keijo Hämäläinen; Samuli Siltanen (J. Comput. Phys., 2015)

Multiresolution Parameter Choice Method for Total Variation Regularized Tomography. - Kati Niinimäki; Matti Lassas; Keijo Hämäläinen; Aki Kallonen; Ville Kolehmainen; Esa Niemi; Samuli Siltanen (SIAM J. Imaging Sci., 2016)