Chi-Wei Tseng

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Rendering photo-realistic animal fur is a long-standing problem in computer graphics. Considerable effort has been made on modeling the geometric complexity of fur, but the reflectance of fur fibers is not well understood. Fur has a distinct diffusive and saturated appearance, that is not captured by either the Marschner hair model or the Kajiya-Kay model.(More)
Surface plasmon enhancement has been proposed as a way to achieve higher absorption for thin-film photovoltaics, where surface plasmon polariton(SPP) and localized surface plasmon (LSP) are shown to provide dense near field and far field light scattering. Here it is shown that controlled far-field light scattering can be achieved using successive coupling(More)
Third Generation Partnership Project (3GPP) proposed the Machine Type Communication (MTC) communications technology for machines or devices to communicate with each other without human intervention. The characteristics of MTC communications are different from that of conventional Human-to-Human (H2H) communications. The execution of an MTC device is(More)
This study designed a learning system to facilitate elementary school students’ fraction learning. An experiment was carried out to investigate how the system, which runs on multi-touch tabletop versus tablet PC, affects fraction learning. Two groups, a control and experimental, were assigned. Control students have learned fraction by using tablet PCs while(More)
OBJECTIVES Regulatory T-cells (Tregs) play an important role in the pathogenesis of chronic hepatitis C (CHC) infection. Pegylated interferon is the standard therapy for CHC patients in Asian countries. This study aimed to evaluate the frequency and function of Tregs in CHC patients receiving combination therapy. METHODS CHC patients (n=30) who had(More)
This poster proposes an IoT-enabled mobile e-learning platform to enhance the performance of a learning process (i.e., assembling of fragmented learning time for a trainee) and the efficiency of learning material management. The informatics framework and implementation methodology for the proposed platform are described in the poster. The proposed platform(More)
Many super-resolution algorithms have been proposed for upscaling static images, yet upscaling video footages in real-time with descent quality remains a challenging problem. In this work, we started out developing a super-resolution video player based on upscaling from local self-examples[Freedman and Fattal 2010], for the approach is essentially suitable(More)
Machine-to-Machine (M2M) communication is the emerging technology for automation applications without human intervention. The 3GPP organization defines Machine Type Communications (MTC) to enhance support of M2M devices. Due to a potentially massive number of coexisting MTC devices, achieving efficient device identifier (ID) management and signaling is(More)
It is unclear whether there is an intermediate dark state between the S2 and S1 states of carotenoids. Previous two-dimensional electronic spectroscopy measurements support its existence and its involvement in the energy transfer from carotenoids to chlorophylls, but there is still considerable debate on the origin of this dark state and how it regulates(More)
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