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Nam Soo Kim,June Sig Sung,Doo Hwa Hong IEEE 2011 IEEE signal processing letters Vol.18 No.2
<P>One of the most popular approaches to parameter adaptation in hidden Markov model (HMM) based systems is the maximum likelihood linear regression (MLLR) technique. In this letter, we extend MLLR to factored MLLR (FMLLR) in which the MLLR parameters depend on a continuous-valued control vector. Since it is practically impossible to estimate the MLLR parameters for each control vector separately, we propose a compact parametric form of the MLLR parameters. In the proposed approach, each MLLR parameter is represented as an inner product between a regression vector and transformed control vector. We present an algorithm to train the FMLLR parameters based on a general framework of the expectation-maximization (EM) algorithm. The proposed approach is applied to adapt the HMM parameters obtained from a database of reading-style speech to singing-style voices while treating the pitches and durations extracted from the musical notes as the control vectors. This enables to efficiently construct a singing voice synthesizer with only a small amount of singing data.</P>
Carbohydrate Composition Associated with the 2-Year Incidence of Metabolic Syndrome in Korean Adults
( Nam H. Cho ),( Ara K. Cho ),( Hyun Kyu Kim ),( Jong Bae Kim ),( Kyung Eun Lee ),( Sung Soo Kim ),( Yeon-jung Kim ),( Hak C. Jang ),( Inkyung Baik ) 한국임상영양학회 2017 Clinical Nutrition Research Vol.6 No.2
The aim of this study was to investigate the association between macronutrient composition and metabolic syndrome (MetS) incidence in Korean adults. Data were obtained from a cohort of 10,030 members aged 40 to 69 years who were enrolled from the 2 cities (Ansung and Ansan) between 2001 and 2002 to participate in the Korean Genome Epidemiology Study. Of these members, 5,565 participants, who were free of MetS and reported no diagnosis of cardiovascular disease at baseline, were included in this study. MetS was defined using the criteria of the National Cholesterol Education Program-Adult Treatment Panel III and Asia-Pacific criteria for waist circumference. MetS incidence rate were identified during a 2-year follow-up period. Baseline dietary information was obtained using a semi-quantitative food frequency questionnaire. Multivariate logistic regression analysis was used to evaluate the association between the quartiles of percentages of total calorie from macronutrients consumed and MetS incidence. In analyses, baseline information, including age, sex, body mass index, income status, educational status, smoking status, alcohol drinking status, and physical activity level was considered as confounding variables. Participants with the second quartile of the percentages of carbohydrate calorie (67%-70%) had a 23% reduced odds ratio (95% confidence interval, 0.61-0.97) for MetS incidence compared with those with the fourth quartile after adjusting for confounding variables. The findings suggest that middle aged or elderly Korean adults who consume approximately 67%-70% of calorie from carbohydrate have a reduced risk of MetS.
Development and validation of novel digitalized cervicography system
( Soo-nyung Kim ),( Yun Hwan Kim ),( Kye-hyun Nam ),( Seon-kyung Lee ),( Tae Sung Lee ),( Ho-sun Choi ),( Sei-jun Han ),( Seung-cheol Kim ) 대한산부인과학회 2016 Obstetrics & Gynecology Science Vol.59 No.3
Objective Digital cervicography systems would be expected to reduce the costs of film cervicography, and provide the opportunity for “telemedicine-based” screening. We aimed to develop web-based digital cervicography system, and validate it compared with conventional film cervicography. Methods A hundred cases from five centers were prospectively included, and cervical images (analogue, digitalized by scanning analogue, and digital) were taken separately using both analogue (Cerviscope) and digital camera (Dr. Cervicam) in each patient. Nine specialists evaluated the three kinds of images of each case with time interval between evaluations of each image. To validate novel digitalized system, we analyzed intra-observer variance among evaluation results of three kinds of images. Results Sixty-three cases were finally analyzed after excluding technically defective cases that cannot be evaluable on analogue images. The generalized kappa for analogue versus digital image was 0.83, for analogue versus scanned image 0.72, and for digital versus scanned image was 0.71; all were in excellent consensus. Conclusion Digitalized cervicography system can be substituted for the film cervicography very reliably, and can be used as a promising telemedicine tool for cervical cancer screening.
Experience of treatment of patients with granulomatous lobular mastitis
Sung Mo Hur,Dong Hui Cho,Se Kyung Lee,Min-Young Choi,Soo Youn Bae,Min Young Koo,Sangmin Kim,Jun-Ho Choe,Jung-Han Kim,Jee Soo Kim,Seok-Jin Nam,Jung-Hyun Yang,Jeong Eon Lee 대한외과학회 2013 Annals of Surgical Treatment and Research(ASRT) Vol.85 No.1
Purpose: To present the author’s experience with various treatment methods of granulomatous lobular mastitis (GLM) and to determine effective treatment methods of GLM. Methods: Fifty patients who were diagnosed with GLM were classified into five groups based on the initial treatment methods they underwent, which included observation (n = 8), antibiotics (n = 3), steroid (n = 13), drainage (n = 14), and surgical excision (n = 12). The treatment processes in each group were examined and their clinical characteristics, treatment processes, and results were analyzed respectively. Results: Success rates with each initial treatment were observation, 87.5%; antibiotics, 33.3%; steroids, 30.8%; drainage, 28.6%; and surgical excision, 91.7%. In most cases of observation, the lesions were small and the symptoms were mild. A total of 23 patients underwent surgical excision during treatment. Surgical excision showed particularly fast recovery, high success rate (90.3%) and low recurrence rate (8.7%). Conclusion: The clinical course of GLM is complex and the outcome of each treatment type are variable. Surgery may play an important role when a lesion is determined to be mass-forming or appears localized as an abscess pocket during breast examination or imaging study.