Ultrafast fiber lasers with superb pulse and beam quality are becoming important in various fields of applications including high-precision material processing, bio-medicine, fiber optical communications, and ranging. This ...

Recent technological advances have made it possible to observe the behavior of biological systems at the genetic level in a high-throughput manner. The ability to do measurements at the system level has made it possible ...

This thesis proposes signal processing methods for the analysis of musical audio on two time scales: drum transcription on a finer time scale and music structure analysis on the time scale of entire pieces. The former ...

This thesis proposes signal processing methods for analysis of singing voice audio signals, with the objectives of obtaining information about the identity and lyrics content of the singing. Two main topics are presented, ...

Quality improvements in small and medium-sized software organisations can be done in many ways. Companies can try to implement one of the well-established quality improvement frameworks. However, many reports from practitioners ...

The current trend is going more and more towards IP-based delivery for all kind of digital content. At the same time, the increasing quality of the digital media is simultaneously increasing the size of the media, which ...

Liiketaloustieteellisessä väitöstutkimuksessani analysoin maailman paperi- ja sellukonetoimialan kehitystä 1970-luvulta 2000-luvulle. Alaa edustavat suuret menestyneet yritykset Metso (Valmet), Andritz, Voith ja Kværner ...

In this thesis the sensorless control of a permanent magnet synchronous motor (PMSM) is studied. The study has two main purposes. The first is to find a simple and effective method to estimate the rotor position and angular ...

In this thesis we consider model selection (MS) and its alternative, model averaging (MA), in seven research articles and in an introductory summary of the articles. The utilization of the minimum description length (MDL) ...

How should we react to dynamically changing inputs in various areas of computer science? This is one of the main questions we discuss in this thesis. The problem is present both in machine learning environment coping with ...