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A novel optical non-invasive in vivo blood glucose concentration (BGL) measurement technique, named ldquopulse glucometryrdquo, was combined with a kernel method; support vector machines. The total transmitted radiation intensity (Ilambda) and the cardiac-related pulsatile changes superimposed on Ilambda in human adult fingertips were measured over the wavelength range from 900 to 1700 nm using a...
A pedometer is popular as a quantitative evaluator of walking. However it may not measure the number of steps for elderly. In this study, we attempted to propose a step count algorithm based on a filter bank and a threshold processing to improve the accuracy of an accelerometer-type step counter for elderly. The waist acceleration signals during a self-paced walking were recorded form 74 participants...
In this study, the combined use of an accelerometer and rate gyrosensor to identify the activity phases of the timed up-and-go test (TUG-T) was proposed. Measurements during clinical rehabilitation of hemiplegic patients have been attempted using a triaxial accelerometer to measure the activity objectively, which allows a quantitative evaluation. A waist gyrosensor is useful for measuring the postural...
We describe further development of a novel method for non-invasive measurement of blood glucose concentration (BGL), named Pulse Glucometry, based on differential near infrared spectrophotometry. Sequential temporal differences of infrared transmittance spectra from the radiation intensity (Ilambda) emerging from a fingertip containing an arterial pulse component (DeltaIlambda) are analysed. To perform...
A novel optical non-invasive in vivo blood glucose concentration (BGL) measurement technique, named "Pulse Glucometry", was combined with a kernel method; support vector machines. The total transmitted radiation intensity (Ilambda) and the cardiac-related pulsatile changes superimposed on Ilambda in human adult fingertips were measured over the wavelength range from 900 to 1700 nm using...
To investigate sequential changes in magnetoencephalograms (MEGs) during photic stimulation (PS), we performed a quantitative MEG analysis of the alpha band (related to stimulus frequency) in 19 schizophrenic patients and 18 gender- and age-matched control subjects. Photic stimulation was at an interval of 0.5 Hz, and the frequency band was from 8 to 10.5 Hz. In each session, the interval lasted ten...
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