J. Virkkala

According to our database, J. Virkkala authored at least 3 papers between 2008 and 2009.

Collaborative distances:

• Dijkstra number of six.
• Erdős number of five.

2009

New tracheal sound feature for apnoea analysis.

Antti Kulkas, Eero Huupponen, J. Virkkala, Mirja Tenhunen, Antti Saastamoinen, E. Rauhala, Sari-Leena Himanen

Medical Biol. Eng. Comput., 2009

Intelligent methods for identifying respiratory cycle phases from tracheal sound signal during sleep.

Antti Kulkas, Eero Huupponen, J. Virkkala, Mirja Tenhunen, Antti Saastamoinen, E. Rauhala, Sari-Leena Himanen

Comput. Biol. Medicine, 2009

2008

Detection of compressed tracheal sound patterns with large amplitude variation during sleep.

Antti Kulkas, E. Rauhala, Eero Huupponen, J. Virkkala, Mirja Tenhunen, Antti Saastamoinen, Sari-Leena Himanen

Medical Biol. Eng. Comput., 2008