Search Results - "Postolache, O."

Static Factors in Sitting Comfort: Seat Foam Properties, Temperature, and Contact Pressure by Silva, P., Ribeiro, D., Postolache, O., Seabra, E., Mendes, J.

“…The seat characteristics have high relevance in overall comfort on any transportation means. In particular, the foam’s mechanical properties, interface…”
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Effluents, surface and subterranean waters monitoring: Review and advances by Lay-Ekuakille, A., Durickovic, I., Lanzolla, A., Morello, R., De Capua, C., Girão, P.S., Postolache, O., Massaro, A., Van Biesen, L.

“…Surface and runoff waters should be characterized and monitored according to mandatory legislation inwesterncountries. Many legislations have hitherto…”
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Detection and characterization of defects using GMR probes and artificial neural networks by Postolache, O., Ramos, H. Geirinhas, Ribeiro, A. Lopes

“…This work presents an eddy-current testing system based on a giant magnetoresistive (GMR) sensing device. Non-destructive tests in aluminum plates are applied…”
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Contextual Design of ICT for Physiotherapy: Toward Knowledge and Innovation Ecosystem by Postolache, G.B., Oliveira, R., Postolache, O.

“…With advances in information and communication technologies (ICT), changes have been produced in physiotherapy provision. However, low adoption of the new…”
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A simple forward direct problem solver for eddy current non-destructive inspection of aluminum plates using uniform field probes by Lopes Ribeiro, A., Geirinhas Ramos, H., Postolache, O.

“…► Non-destructive testing and evaluation. ► Direct problem by conformal mapping. ► Uniform field probe. ► Giant magnetoresistor sensor. In this paper we show…”
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Contactless Impedance Cardiography Using Embedded Sensors by Pinheiro, E., Postolache, O., Girão, P.

“…Impedance cardiography is a technique developed with the intent of monitoring cardiac output. By inspecting a few properties of the obtained signal (impedance…”
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Non-Intrusive Device for Real-Time Circulatory System Assessment with Advanced Signal Processing Capabilities by Pinheiro, E., Postolache, O., Girão, P.

“…This paper presents a device that uses three cardiography signals to characterize several important parameters of a subject's circulatory system. Using…”
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CONVOLUTIONAL DEEP LEARNING NEURAL NETWORK FOR STROKE IMAGE RECOGNITION: REVIEW by Tursynova, А. T., Omarov, B. S., Postolache, O. A., Sakypbekova, M. Zh

“…Deep learning is one of the developing area of articial intelligence research. It includes machine learning methods based on articial neural networks. One…”
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PDF-Based Progressive Polynomial Calibration Method for Smart Sensors Linearization by Pereira, J.M.D., Postolache, O., Girao, P.M.B.S.

“…Calibration and linearization are two important topics that must always be considered to assure the accuracy of measuring systems. Measurement errors, i.e.,…”
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HEAVY METALS MEASUREMENT: A SUITABLE SOLUTION TO IMPROVE ONLINE MEASUREMENT CELERITY by Pereira, J. M. Dias, Postolache, O., Girão, P. Silva

“…This article presents a low-cost, voltammetry-based measuring system to identify heavy metals dissolved in water and to evaluate their concentrations. The main…”
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HRV and BPV neural network model with wavelet based algorithm calibration by Postolache, G., Silva Carvalho, L., Postolache, O., Girão, P., Rocha, I.

“…The heart rate and blood pressure power spectrum, especially the power of the low frequency (LF) and high frequency (HF) components, have been widely used in…”
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A Digitally Programmable A/D Converter for Smart Sensors Applications by Pereira, J.M.D., Postolache, O., Girao, P.M.B.S.

“…Nonlinear analog-to-digital conversion in smart sensor applications is an important topic since signal digitization and linearization can be performed in a…”
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An overview and a contribution to the optical measurement of linear displacement by Girao, P.M.B.S., Postolache, O.A., Faria, J.A.B., Pereira, J.M.C.D.

“…The present work is a contribution to the field of linear displacement measurements by optical means. For that purpose, a brief overview of some existing…”
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Physiological and Behavior Monitoring Systems for Smart Healthcare Environments: A Review by Jacob Rodrigues, Mariana, Postolache, Octavian, Cercas, Francisco

“…Healthcare optimization has become increasingly important in the current era, where numerous challenges are posed by population ageing phenomena and the demand…”
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Wavelet techniques: A suitable tool to characterise and optimize encoders’ based systems by Dias Pereira, J.M., Postolache, O., Girão, P.

“…Calibration data together with the approximation and details of wavelet decomposition functions can be used to obtain important parameters of digital…”
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A virtual instrument to test smart transducer interface modules (STIMs) by Ramos, H.M.G., Pereira, J.M.D., Viegas, V., Postolache, O., Girao, P.M.B.S.

“…This paper reports the hardware and software of virtual instruments and the tests conducted on a microcontroller-based smart transducer interface module (STIM)…”
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Dew Point and Relative-Humidity Smart Measuring System by Postolache, O., Silva Girao, P.M.B.S., Pereira, J.M.D., Ramos, H.G.

“…In this paper, a new design and implementation of an air dew-point smart measuring system are presented. The system also implements a relative-humidity sensing…”
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Neural Architecture Search for 1D CNNs—Different Approaches Tests and Measurements by Rala Cordeiro, João, Raimundo, António, Postolache, Octavian, Sebastião, Pedro

“…In the field of sensors, in areas such as industrial, clinical, or environment, it is common to find one dimensional (1D) formatted data (e.g.,…”
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Minimizing temperature drift errors of conditioning circuits using artificial neural networks by Pereira, J.M.D., Postolache, O., Girao, P.M.B.S., Cretu, M.

“…Temperature drift errors are a problem that affect the accuracy of measurement systems. When small amplitude signals from transducers are considered and…”
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A New Intelligent Approach for Automatic Stress Level Assessment Based on Multiple Physiological Parameters Monitoring by Ribeiro, Goncalo, Postolache, Octavian, Martin, Francisco Ferrero

“…Stress is a natural feeling of not being able to cope with specific demands and events, and it may even worsen a person's health, especially in chronic disease…”
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