Alpo Värri

A simple format for exchange of digitized polygraphic recordings

B. Kemp, Alpo Värri, John Gade · Electroencephalography and Clinical Neurophysiology · 1992 · 364 citations

Simple Format, Digitization, Digital Restoration +1

The SIESTA project polygraphic and clinical database

G. Klosh, B. Kemp, Thomas Penzel et al. · IEEE Engineering in Medicine and Biology Magazine · 2001 · 186 citations

Engineering, Digital Pathology, Diagnosis +20

Automatic sleep stage classification using two-channel electro-oculography

Jussi Virkkala, Jóel Hasan, Alpo Värri et al. · Journal of Neuroscience Methods · 2007 · 129 citations

Sleep, Sleep Disorder, Neurophysiology +7

A new method for measuring the ballistocardiogram using EMFi sensors in a normal chair

Teemu Koivistoinen, Sakari Junnila, Alpo Värri et al. · 2005 · 103 citations

Development and comparison of four sleep spindle detection methods

Eero Huupponen, Germán Gómez-Herrero, A. Saastamoinen et al. · Artificial Intelligence in Medicine · 2007 · 99 citations

Sleep, Sleep Disorder, Wearable Technology +2