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This research aims at characterizing and predicting the Young's modulus of thin film materials that are utilized in the microelectromechanical systems (MEMS). As a proof of concept, aluminum and TEOS thin films were analyzed using bilayer cantilever as a test structure. Due to the lack of understanding of the mechanical behavior of thin film materials in the micro-scale domain, empirical models were...
In this paper, we propose a finger-tapping interface called FINGERTAP, which can estimate the contact states and forces on human fingertips in real time by using only the fingertip positions measured by high-speed vision cameras. In particular, we focus on the high-frequency component that develops at the moment a fingertip contacts something. We introduce a real-time estimation algorithm for the...
In this paper, a novel approach to apply GM(1,1) model in voice activity detection (VAD) is presented. The approach is termed as grey VAD (GVAD). In GVAD, the GM(1,1) model is used to estimate non-stationary noise in noisy speech and therefore signal component where an additive signal model is assumed. By estimated noise and signal, the signal-to-noise ratio (SNR) is calculated. Based on an adaptive...
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