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Tzu-Yi Lin,Eugene Yu-Chuan Kang,Shih-Chieh Shao,Edward Chia-Cheng Lai,Sunir J. Garg,Kuan-Jen Chen,Je-Ho Kang,Wei-Chi Wu,Chi-Chun Lai,Yih-Shiou Hwang 대한당뇨병학회 2023 Diabetes and Metabolism Journal Vol.47 No.3
Background: To compare risk of diabetic retinopathy (DR) between patients taking sodium-glucose cotransporter-2 inhibitors (SGLT2is) and those taking glucagon-like peptide-1 receptor agonists (GLP1-RAs) in routine care.Methods: This retrospective cohort study emulating a target trial included patient data from the multi-institutional Chang Gung Research Database in Taiwan. Totally, 33,021 patients with type 2 diabetes mellitus using SGLT2is and GLP1-RAs between 2016 and 2019 were identified. 3,249 patients were excluded due to missing demographics, age <40 years, prior use of any study drug, a diagnosis of retinal disorders, a history of receiving vitreoretinal procedure, no baseline glycosylated hemoglobin, or no follow-up data. Baseline characteristics were balanced using inverse probability of treatment weighting with propensity scores. DR diagnoses and vitreoretinal interventions served as the primary outcomes. Occurrence of proliferative DR and DR receiving vitreoretinal interventions were regarded as vision-threatening DR.Results: There were 21,491 SGLT2i and 1,887 GLP1-RA users included for the analysis. Patients receiving SGLT2is and GLP-1 RAs exhibited comparable rate of any DR (subdistribution hazard ratio [SHR], 0.90; 95% confidence interval [CI], 0.79 to 1.03), whereas the rate of proliferative DR (SHR, 0.53; 95% CI, 0.42 to 0.68) was significantly lower in the SGLT2i group. Also, SGLT2i users showed significantly reduced risk of composite surgical outcome (SHR, 0.58; 95% CI, 0.48 to 0.70).Conclusion: Compared to those taking GLP1-RAs, patients receiving SGLT2is had a lower risk of proliferative DR and vitreoretinal interventions, although the rate of any DR was comparable between the SGLT2i and GLP1-RA groups. Thus, SGLT2is may be associated with a lower risk of vision-threatening DR but not DR development.
A structural health monitoring system based on multifractal detrended cross-correlation analysis
Tzu-Kang Lin,Yi-Hsiu Chien 국제구조공학회 2017 Structural Engineering and Mechanics, An Int'l Jou Vol.63 No.6
In recent years, multifractal-based analysis methods have been widely applied in engineering. Among these methods, multifractal detrended cross-correlation analysis (MFDXA), a branch of fractal analysis, has been successfully applied in the fields of finance and biomedicine. For its great potential in reflecting the subtle characteristic among signals, a structural health monitoring (SHM) system based on MFDXA is proposed. In this system, damage assessment is conducted by exploiting the concept of multifractal theory to quantify the complexity of the vibration signal measured from a structure. According to the proposed algorithm, the damage condition is first distinguished by multifractal detrended fluctuation analysis. Subsequently, the relationship between the q-order, q-order detrended covariance, and length of segment is further explored. The dissimilarity between damaged and undamaged cases is visualized on contour diagrams, and the damage location can thus be detected using signals measured from different floors. Moreover, a damage index is proposed to efficiently enhance the SHM process. A sevenstory benchmark structure, located at the National Center for Research on Earthquake Engineering (NCREE) , was employed for an experimental verification to demonstrate the performance of the proposed SHM algorithm. According to the results, the damage condition and orientation could be correctly identified using the MFDXA algorithm and the proposed damage index. Since only the ambient vibration signal is required along with a set of initial reference measurements, the proposed SHM system can provide a lower cost, efficient, and reliable monitoring process.
Tzu-Bin Lin,Li-Yi Wang,Mu-Yu Wang 아시아영어교육학회 2018 The Journal of Asia TEFL Vol.15 No.3
In the current body of knowledge about the influence of native English-speaking teachers (NESTs) on the professional identity of non-native English-speaking teachers (NNESTs), the fundamental question of ‘What exactly do native English speakers (NESs) mean to NNESTs?’ has been left unanswered and the voices of preservice NNESTs are largely absent. This study examined the influence of NESTs as ‘significant others’ in the English language teaching profession on preservice NNESTs’ identity by looking into how preservice NNESTs interpret the term native English speakers, accept native speaker norms, and respond to the active recruitment of NESTs through the national policy in Taiwan. Survey and interview data were collected from 258 preservice English teachers. The findings show that although the participants held diverse views on who constitute NESs, they shared a unanimous subscribingto native-speakerism. The participants gave conditional support to the policy of recruiting NESTs while highlighting their opposition to uncertified NESTs and differentiated payment. Implications to teacher education and policy decisions are provided.
Yi-Tsung Chiu,Tzu-Kang Lin,Hsiao-Hui Hung,Kuo-Chun Chang,Yu-Chi Sung 국제구조공학회 2014 Smart Structures and Systems, An International Jou Vol.13 No.6
The widening project on Freeway No.1 in Taiwan has a total length of roughly 14 kilometers,and includes three special bridges, namely a 216 m long-span bridge crossing the original freeway, an F-bentdouble decked bridge in a co-constructed section, and a steel and prestressed concrete composite bridge. This study employed in-situ monitoring in conjunction with numerical modeling to establish a real-timemonitoring system for the three bridges. In order to determine the initial static and dynamic behavior of thereal bridges, forced vibration experiments, in-situ static load experiments, and dynamic load experimentswere first carried out on the newly-constructed bridges before they went into use. Structural models of thebridges were then established using the finite element method, and in-situ vehicle load weight, arrangement,and speed were taken into consideration when performing comparisons employing data obtained fromexperimental measurements. The results showed consistency between the analytical simulations andexperimental data. After determining a bridge's initial state, the proposed in-situ monitoring system, which isemployed in conjunction with the established finite element model, can be utilized to assess the safety of abridge's members, providing useful reference information to bridge management agencies.
( Meng Tzu Weng ),( Shu Chen Wei ),( Chun Che Lin ),( Yuk Min Tsang ),( Chia Tung Shun ),( Jann Yuan Wang ),( Ming Jium Shieh ),( Cheng Yi Wang ),( Jau Min Wong ) 대한장연구학회 2015 Intestinal Research Vol.13 No.1
Since Taiwan is an endemic area for tuberculosis (TB), differential diagnosis between the intestinal TB and Crohn`s disease is an important issue. The steering committee of Taiwan Society of Inflammatory Bowel Disease (TSIBD) has arranged a seminar accordingly on May 24th, 2014 and the different point of views by gastroenterologist, radiologist, pathologist and infectious dis-ease specialist were suggested to help the proper diagnosis and management of these two diseases. (Intest Res 2015;13:6-10)
Chiu, Yi-Tsung,Lin, Tzu-Kang,Hung, Hsiao-Hui,Sung, Yu-Chi,Chang, Kuo-Chun Techno-Press 2014 Smart Structures and Systems, An International Jou Vol.13 No.6
The widening project on Freeway No.1 in Taiwan has a total length of roughly 14 kilometers, and includes three special bridges, namely a 216 m long-span bridge crossing the original freeway, an F-bent double decked bridge in a co-constructed section, and a steel and prestressed concrete composite bridge. This study employed in-situ monitoring in conjunction with numerical modeling to establish a real-time monitoring system for the three bridges. In order to determine the initial static and dynamic behavior of the real bridges, forced vibration experiments, in-situ static load experiments, and dynamic load experiments were first carried out on the newly-constructed bridges before they went into use. Structural models of the bridges were then established using the finite element method, and in-situ vehicle load weight, arrangement, and speed were taken into consideration when performing comparisons employing data obtained from experimental measurements. The results showed consistency between the analytical simulations and experimental data. After determining a bridge's initial state, the proposed in-situ monitoring system, which is employed in conjunction with the established finite element model, can be utilized to assess the safety of a bridge's members, providing useful reference information to bridge management agencies.
User Identification Design by Fusion of Face Recognition and Speaker Recognition
Chao-Yu Lin,Kai-Tai Song,Yi-Wen Chen,Shuo-Cheng Chien,Sin-Horng Chen,Chen-Yu Chiang,Jyh-Her Yang,Yi-Chiao Wu,Tzu-Jui Liu 제어로봇시스템학회 2012 제어로봇시스템학회 국제학술대회 논문집 Vol.2012 No.10
Intelligent human-robot interface helps a mobile robot to extract external information and interact with a user. User identification information allows a robot to generate appropriate behaviors and make personalized human-robot interaction (PHRI) more natural and safe. Most of service robots move around in various application settings, and biometric features always change during relative movements. In this work, a fusion recognition system based on face and speaker classifiers is designed to achieve the user recognition in various environments. We propose a method to fuse face and speech recognition results based on the concept of confidence indices. Through the derived confidence indices, the system combines the two classifiers and gives improved recognition results. Experiments on a laboratory home service robot show that person recognition rates in 15 environmental situations all outperform those of using single modality.
Fang, Ting,Wang, Li-Yi,Lin, Tzu-Bin,Huang, Chia-Kai 서울대학교 교육연구소 2022 Asia Pacific Education Review Vol.23 No.2
The spread of English as a global language has contributed to the trend of recruiting native English-speaking teachers (NESTs) through government-funded schemes around the world, particularly in East Asia. In Taiwan, the NEST scheme has been recently expanded because of the national policy for a bilingual Taiwan in 2030. However, the NEST scheme in Taiwan has the strictest selection criteria and the least attractive incentives in the region. As these unfavorable conditions could affect the recruitment and effectiveness of the NEST scheme, this study explored the advantages and challenges perceived by NEST participants through in-depth interviews with 24 NESTs working in Taiwanese public schools to identify the factors that could influence their attrition and retention. It was found that most advantages were associated with the participants’ schools, such as the provision of resources and a sense of achievement, rather than from outside the schools. However, most of the perceived challenges also occurred inside the schools, such as the lack of collaboration with colleagues and class sizes. These findings suggested that the issues and agendas at the participating schools had the greatest influence on NEST decisions to stay or leave Taiwan. The implications for policymakers and school leaders are discussed and relevant suggestions are made.