Ming-Yen Tsai

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We describe and demonstrate a modular microelectromechanical systems (MEMS)-based optical cross-connect (OXC) architecture. The OXC port count increases modularly by adding new optical modules, and a maximum cross-connectivity of /spl sim/ 350 /spl times/ 350 can be achieved in the current design. Each optical module has 16 ports with closed-loop(More)
Abstract Purpose. The aim of this study was to evaluate the effectiveness of positron emission tomography (PET) using 18-fluoro-2-deoxyglucose (FDG) to detect recurrent nasopharyngeal carcinomas (NPC) when magnetic resonance imaging (MRI) findings are indeterminate. Patients and methods. After radiotherapy, 28 NPC patients with indeterminate MRI findings(More)
Due to the seemingly uniqueness of physiological and behavioral characteristics of each individual, writer identification has shown to be a feasible task. Security is the primary reason to perform any kind of biometrics-related personal identification. There have been scarce research results for personal identification using online Chinese handwriting. In(More)
On-line handwriting has been shown to be an effective tool for the input of Chinese characters. However, due to the high variabilities of handwriting, the recognition performance is somewhat limited. One approach to resolve this problem is to view the pattern mismatch as composed of two components: natural distortion component and residual discriminative(More)
In this paper, we propose a fuzzy clustering (FC) approach to improve the template matching method described in (T. Wakahara et al., Proc. IEEE, vol.80, no.7, p.1181-1194, 1992) that demonstrated high recognition rates. Our focus is on the reduction of recognition time. The key idea is to organize the template pool in a structured manner so that matching(More)
As a new class of non-volatile memory, resistive random access memory (RRAM) offers not only superior electronic characteristics, but also advanced functionalities, such as transparency and radiation hardness. However, the environmental tolerance of RRAM is material-dependent, and therefore the materials used must be chosen carefully in order to avoid(More)
This paper presents an innovative polymer-based micromachined acoustic emission (AE) sensor. By using the developed micro-embossing fabrication method, the multi-layer piezoelectric polymer (PVDF) thin films with electrodes and dielectric interfaces can be structured as a wavy shaped sensing core element. The core element is then integrated with the novel(More)
There are several identified failure mechanisms such as void formation and propagation, the local melting mechanism and the underbump metallization (UBM) dissolution in flip chip solder joints. In our previous studies Ni(V) UBM consumption was also found to cause the failure. The flip chip solder joint used in this study was with Al/Ni(V)/Cu UBM on the chip(More)
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