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김진우,민소연,나덕수,배명진,Kim, Jin-Woo,Min, So-Yeon,Na, Deok-Su,Bae, Myung-Jin 한국음향학회 2010 韓國音響學會誌 Vol.29 No.3
최근 광대역 무선 통신망의 보급과 소형 저장매체의 대용량화로 인하여 이동형 단말기가 주목 받고 있다. 이로 인해 이동형 단말기에 문자정보를 청취할 수 있도록 문자를 음성으로 변환해 주는 TTS(Text-to-Speech) 기능이 추가되고 있다. 사용자의 요구사항은 고음질의 음성합성이지만 고음질의 음성합성은 많은 계산량이 필요하기 때문에 낮은 성능의 이동형 단말기에 는 적합하지 않다. 본 논문에서 제안하는 분산형 음성합성기 (DTTS)는 고음질 음성합성이 가능한 코퍼스 기반 음성합성 시스템을 서버와 단말기로 나누어 구성한다. 서버 음성합성 시스템은 단말기에서 전송된 텍스트를 데이터베이스 검색 후 음성파형 연결정보를 생성하여 단말기로 전송하고, 단말기 음성합성 시스템은 서버 음성합성 시스템에서 생성된 음성파형 연결정보와 단말기에 존재하는 데이터베이스를 이용하여 간단한 연산으로 고음질 합성음을 생성할 수 있는 시스템이다. 제안하는 분산형 합성기는 단말기에서의 계산량을 줄여 저가의 CPU 사용, 전력소모의 감소, 효율적인 유지보수를 할 수 있도록 하는 장점이 있다. Recently portable terminal is received attention by wireless networks and mass capacity ROM. In this result, TTS(Text to Speech) system is inserted to portable terminal. Nevertheless high quality synthesis is difficult in portable terminal, users need high quality synthesis. In this paper, we proposed Distributed TTS (DTTS) that was composed of server and terminal. The DTTS on corpus based speech synthesis can be high quality synthesis. Synthesis system in server that generate optimized speech concatenation information after database search and transmit terminal. Synthesis system in terminal make high quality speech synthesis as low computation using transmitted speech concatenation information from server. The proposed method that can be reducing complexity, smaller power consumption and efficient maintenance.
김진우,조준영,박경선,장준복,이진무,Kim, Jin-Woo,Jo, Jun-Young,Park, Kyoung-Sun,Jang, Jun-Bock,Lee, Jin-Moo 대한한방체열의학회 2011 대한한방체열의학회지 Vol.9 No.1
Purpose : The purpose of this study is to report the effect of Traditional Korean Medicine(TKM) on amenorrhea which oligomenorrhea has become worse. and to investigate the change of body temperature measured by Digital Infrared Thermographic Imaging(DITI). Methods : The patient in this case was 29-year-old female. The chief complain was amenorrhea which oligomenorrhea has become worse. We treated her by TKM. and evaluated the progress of symptoms by DITI. And then We compared DITI before treatment and after treatment. Results :After TKM treatment. the differences of temperature between Indang(印堂) and the four abdominal sites(CV4,6,12,17) were decreased on DITI. respectively. Conclusion : TKM treatment is effective on amenorrhea which oligomenorrhea has become worse. And DITI could be useful to assess the amenorrhea objectively. But more research should be needed.
철근콘크리트 깊은 보의 현행 스트럿-타이 설계기준에 대한 비교 및 평가
김진우,홍성걸,이영학,김희철,김대진,Kim, Jin Woo,Hong, Sung-Gul,Lee, Young Hak,Kim, Heecheul,Kim, Dae-Jin 한국전산구조공학회 2014 한국전산구조공학회논문집 Vol.27 No.4
콘크리트 깊은 보의 전단강도 산정을 위해 현행 미국콘크리트학회(ACI) 및 캐나다표준규격협회(CSA), 유럽콘크리트위원회(CEB-FIP)의 설계기준은 스트럿-타이 모델을 이용할 것을 제안하고 있지만 설계의 품질이 설계자가 구성한 트러스 모델 적합성에 크게 좌우된다는 특징을 가지고 있다. 따라서 본 논문에서는 내부 트러스 모델에 따른 현행 ACI, CSA 및 CEB-FIP의 콘크리트 깊은 보 설계기준의 타당성을 홍성걸 등에 의해 제안된 콘크리트 소성학에 근거한 전단강도식의 예측치와 비교함으로써 평가한다. 비교 결과 ACI, CSA 및 CEB-FIP의 스트럿-타이 모델에 의해 설계된 깊은 보의 경우 내부 트러스 모델이 전단강도 예측에 중요한 영향을 미치는 것으로 나타났으며 CEB-FIP의 경우 가장 높은 스트럿 강도 예측치를 보였다. The current American Concrete Institute(ACI), Canadian Standard Associate(CSA) and CEB-FIP Model Code 2010 provisions on the shear strength of a simply supported deep beam suggest that deep beams should be designed using the strut-and-tie model. Although this is a useful methodology to design members in disturbed regions, the quality of the design is highly dependent on the truss model that designers create. However, Hong et al. derived the shear strength equations of reinforced concrete deep beams. This thesis investigates the validity of the current ACI, CSA and CEB-FIP code provisions on the shear strength of simply supported reinforced concrete deep beams by comparing them with the shear strength equations proposed by Hong et al. The comparison shows that all of these code provisions provide reasonable estimates on the shear strength of concrete deep beam members and the selection of an internal truss model plays an important role on the estimation of shear strength.
김진우,박종환,김진구,김훈,Kim, Jin-Woo,Park, Jong-Hwan,Kim, Jin-Gu,Kim, Hoon 한국조명전기설비학회 2003 조명·전기설비학회논문지 Vol.17 No.2
기존의 2차원 설계법을 이용하여 3차원 압출성형 HID 경면 반사판형상 설계에 적용할 수 있는 3차원 설계법을 개발하였다. 이 설계법을 적용하여 터널용 HID 조명기구의 반사판 형상을 설계하고 그 성능을 예측하였다. Using pervious two-dimensional reflector design method, the three-dimensional reflector design method is developed for extrusion molding HID specular reflector optical design, Using this method, a HID reflector for tunnel was developed and estimated its performance.
미세구조 제어를 통한 (Nd,Dy)-Fe-B 소결자석의 보자력 증가
김진우,김세훈,김영도,Kim, Jin-Woo,Kim, Se-Hoon,Kim, Young-Do 한국분말야금학회 2011 한국분말재료학회지 (KPMI) Vol.18 No.1
Sintered Nd-Fe-B magnets are widely used in many fields such as motors, generators, actuators, microwaves and so on due to their excellent magnetic properties. Many researchers have shown that the Nd-rich phase was essentially important for high magnet properties. In this study, we focused on controlling of the Nd-rich phase to enhance magnetic properties by the cyclic sintering process. Nd-Fe-B based sintered magnets were prepared by isothermal sintering and cyclic sintering processes. Magnetic properties and microstructure of the magnets were investigated. The coercivity was enhanced from 21.2 kOe to 23.27 kOe after 10 cycles of the sintering. The Nd-rich phase was effectively penetrated into the grain boundary between the $Nd_2Fe_{14}B$ grains by the cyclic sintering.
간헐외사시에서 외직근후전술 시 술 후 외편위로의 회귀: 동반된 수술 방법에 따른 비교
김진우,이종혁,라상훈,Jin Woo Kim,Jong Hyuck Lee,Sang Hoon Rah 대한안과학회 2011 대한안과학회지 Vol.52 No.11
Purpose: To assess the difference in the change of postoperative ocular alignment in intermittent exotropia corrected by horizontal muscle transposition or inferior oblique muscle recession together with lateral rectus muscle recession. Methods: A total of 110 patients with intermittent exotropia with a follow-up period of more than 6 months after lateral rectus muscle recession were enrolled in the present study. The patients who received lateral rectus muscle recession only were classified as group 1, patients who received both lateral rectus muscle recession and horizontal muscle vertical transposition in both eyes were classified as group 2, and patients who underwent lateral rectus muscle and inferior oblique muscle recession were classified as group 3. The differences in postoperative ocular alignment among the patient groups were compared. Results: Among the 3 groups, group 2 demonstrated the smallest amount of esotropic deviation in mean postoperative ocular alignment measured 1 day and 1 month after surgery. There was no significant difference among the groups in the mean postoperative ocular alignment and mean amount of exotropic drift at 6 months. The difference in the amount of postoperative exotropic drift 1 year after surgery among the 3 groups was statistically significant. The largest amount of postoperative exotropic drift was observed in group 1. Conclusions: In correcting intermittent exotropia, the largest amount of postoperative exotropic drift was observed in patients who received only lateral rectus muscle recession. By contrast, the smallest amount of postoperative exotropic drift was observed in patients who received lateral rectus muscle recession with vertical transposition of the horizontal muscle. J Korean Ophthalmol Soc 2011;52(11):1326-1330