Bernd Tessendorf

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In the sport of rowing athletes and coaches are concerned with optimizing a rower's technique in order to improve rowing performance. In this paper, we present the design and real-world evaluation of a sensor network approach to support improving the rower's performance. In cooperation with professional rowing teams, we found that a network of inertial(More)
Hearing instruments (HIs) have emerged as true pervasive computers as they continuously adapt the hearing program to the user’s context. However, current HIs are not able to distinguish different hearing needs in the same acoustic environment. In this work, we explore how information derived from body and eye movements can be used to improve the recognition(More)
In recent years, the monitoring of sitting postures was discovered to be a promising measure of healthy sitting behavior, comfort, physical wellness and emotions. Most state-of-the-art systems for monitoring sitting behavior are based on supervised methods that are limited to a fixed set of classes. We present a method that does not rely on training but(More)
Current hearing instruments (HI) only rely on auditory scene analysis to adapt to the situation of the user. It is for this reason that these systems are limited in the number and type of situations they can detect. We investigate how context information derived from eye and head movements can be used to resolve such situations. We focus on two example(More)
In this work we present a newly developed ear-worn sensing and annotation device to unobtrusively capture head movements in real life situations. It has been designed in the context of developing multimodal hearing instruments (HIs), but is not limited to this application domain. The ear-worn device captures triaxial acceleration, rate of turn and magnetic(More)
A significant share of rowers does not have access to professional supervision by coaches. However, proper technique is a key component for both success in competitions and to prevent injuries or long-term induced postural deformity. In cooperation with national rowing coaches we developed a sensor system to continuously monitor the rower's seat position.(More)