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The external luminance, the climatic conditions as limpid sky or haze, the road surface wet or dry, the traffic speed and the related safe driver stopping distance, strongly influence the quantity of artificial support light necessary at the entrance of the tunnel. The design of the support lighting system in the road tunnel takes into account the critical(More)
This study investigates the usability of the smartphone camera for the evaluation of arterial blood oxygenation (SpO<sub>2</sub>%). The advantage of this solution derives from the pervasiveness of the smartphone that makes available the evaluation of the SpO<sub>2</sub>% everywhere. Differently from the pulse oximeter, which uses well-defined wavelength(More)
The aim of this paper is to propose the wireless body sensor networks (WBSNs) as an enabling technology for a rich variety of application domains, from e-Health to e-Factory. In particular, the paper will describe reference network architectures, effective programming frameworks and novel applications in important application domains for WBSNs. Finally, a(More)
The paper deals with the test signal selection to be adopted for the Voice Quality Measurement (VQM) in telecommunication networks. It is proposed to use the optimized multisine as test signal in place of both the natural and the artificial voices, suggested by the ITU-T recommendations. The effectiveness of the optimized multisine to the VQM is(More)
The aims of the paper is to furnish a new methodology to (i) define chemical and physical parameters used as references to distinguish between a healthy human bone tissue and the one affected by primary coxarthrosis, and (ii) to enrich the base of knowledge used in the biomaterials field. The methodology pointed out is based on measurement techniques used(More)
 Two acquisition techniques pointed out for the static and dynamic test of high resolution DAC by low resolution ADC are analyzed and compared. These two techniques differ on the basis of the specific approximated evaluation of the DAC output voltage. The interest to the comparative analysis is justified by the aim to separate the influence of the(More)