This paper describes a calibration method for inertial and magnetic sensors using a batched optimization procedure. Well estab- lished sensor, motion and constraint models are applied which include sensor gains, biases, misalignments and inter-triad misalignments. For the magnetometer, hard and soft …

Designers of the Anthropocene era have to work with and for nature in order to reintroduce its beauty and functionality into our everyday life. As humans, we are colonising every single spot on earth. According to the United Nations, 55% of the human population is currently living in cities and by 2050 …

Presence, een psychologische staat van 'er zijn ' (i.e. aanwezig voelen), wordt binnen de literatuur beschouwd als een belangrijke maat voor de ontwikkeling en evaluatie van virtuele omgevingen, waaronder Virtual Reality (VR). Hoewel VR in combinatie met 360°video steeds meer wordt ingezet binnen de …

Objective: To evaluate the effectiveness of a specialized physical therapy (SPT) program on disability in cervical dystonia (CD) compared to regular physical therapy (RPT). Design: A single-blinded randomized controlled trial. Setting: This study was performed by a physical therapist in a primary health …

The majority of houses in the Groningen gas field region, the largest in Europe, consist of unreinforced masonry material. Because of their particular characteristics (cavity walls of different material, large openings, limited bearing walls in one direction, etc.) these houses are exceptionally vulnerable …

The heterogeneous nature of environmental DNA (eDNA) and its effects on species detection and community composition estimates has been highlighted in several studies in the past decades. Mostly in the context of spatial distribution over large areas, in fewer occasions looking at spatial distribution …

Expert finding systems (EFS) is a method of finding experts by typing in a search query that results in multiple expert profiles. An expert profile is a profile of a user that has certain knowledge and expertise. After a matching process between the search query and the available profiles in the system, …

At this moment, no method is available to objectively estimate the temperature to which skeletal remains have been exposed during a fire. Estimating this temperature can provide crucial information in a legal investigation. Exposure of bone to heat results in observable and measurable changes, including …

ADHD en reïficatie Dit proefschrift begint met een quote van de 11-jarige Sylvia, die denkt: “ADHD is net als kanker (…) maar je gaat er niet dood aan”. ADHD is zeker geen ziekte als kanker, maar een concept uit de Diagnostic and Statistical Manual (DSM), waarvan momenteel de 5e editie uit is. De DSM-5 …

Background: Due to differences in the definition of frailty, many different screening instruments have been developed. However, the predictive validity of these instruments among community-dwelling older people remains uncertain. Objective: To investigate whether combined (i.e. sequential or parallel) …