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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 problems that are challenging for current HIs:...
In this paper, we present a wearable assistant for Parkinson's disease (PD) patients with the freezing of gait (FOG) symptom. This wearable system uses on-body acceleration sensors to measure the patients' movements. It automatically detects FOG by analyzing frequency components inherent in these movements. When FOG is detected, the assistant provides a rhythmic auditory signal that stimulates the...
Freezing of gait (FOG) is a common gait deficit in advanced Parkinsonpsilas disease (PD). It is often a cause of falls, interferes with daily activities and significantly impairs quality of life. Gait deficits in PD patients are often resistant to pharmacologic treatment; therefore effective nonpharmacologic assistance is needed. In this paper we show the potential of context aware assistance for...
We propose an approach for detecting collective behavior patterns using body-worn sensors in a decentralized, online manner. To reduce complexity, we introduce a set of collective behavior primitives as building blocks, adequate for detection by sensing and communications means. With this, we present a generic distributed signal processing procedure suitable for a decentralized detection of these...
In this paper we present a wearable assistive technology for the freezing of gait (FOG) symptom in patients with Parkinson's disease (PD), with emphasis on subjective user appreciation. Patients with advanced PD often suffer from FOG, which is a sudden and transient inability to move. It often causes falls, interferes with daily activities and significantly impairs quality of life. Because gait deficits...
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