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김현열(Kim, Hyun-Yul),이건화(Lee, Geon-Wha),박영록(Park, Young-Rok),이승규(Lee, Seung-Kyu),박영철(Park, Young-Cheol),강용석(Kang, Yong-Seok),배철수(Bae, Cheol-soo),이진기(Lee, Jin-Ki) 한국정보전자통신기술학회 2013 한국정보전자통신기술학회논문지 Vol.6 No.2
본 논문에서는 효율적인 번호판 인식을 위하여 번호판 영역 식별과 문자 분리, 문자 인식에 적합한 번호판 인식 시스템을 위한 방법들을 제안하고자한다. 번호판 영역 식별에는 실시간 처리가 가능하도록 속도가 빠르고, 번호판 영역의 누락이 없는 방법이 필요하다. 제안된 알고리즘은 효율성을 입증하기 위하여 역전파 알고리즘만을 이용한 인식시스템과 SVM만을 이용한 인식시스템 그리고 제안한 인식 시스템을 각각 실험하였다. 그 결과 역전파 알고리즘을 이용한 경우 87.9%, SVM의 경우91.4%의 번호판 인식을 한 반면 제안된 알고리즘은 98.6%의 인식률을 나타내어 최소 7.9%에서 최대 12.2%의 인식률이 향상되었다. This study will suggest methods for a license plate recognition system that is suitable for license plate identification, separation of letters, and recognition of letters in order to recognize a licence plate efficiently. The suggested algorithm had tested a recognition system that onlyused backpropagation, a recognition system that used only SVM, and the suggested recognition system in order to prove efficiency. As a result, recognition rate had increased from the minimum 7.9% to the maximum12.2% as the case of using back propagation recognized the number platefor 87.9%, the case of using SVM for 91.4%, and the suggested had 98.6% of recognition rate.
조기 난소부전 환자에서 실시간 중합효소 연쇄 반응을 이용한 사립체 DNA copy 수의 정량적 분석
김정환 ( Kim Jeong Hwan ),이숙환 ( Lee Sug Hwan ),조성원 ( Jo Seong Won ),정혜진 ( Jeong Hye Jin ),김현아 ( Kim Hyeon A ),이윤정 ( Lee Yun Jeong ),나중열 ( Na Jung Yeol ),김인선 ( Kim In Seon ),윤태기 ( Yun Tae Gi ),강재성 ( Kang 대한산부인과학회 2004 Obstetrics & Gynecology Science Vol.47 No.1
Objective : To design a screening method which identifies women with a potential of progression to the premature ovarian failure (POF) in near future, particularly among young women who have high FSH level but no symptoms and signs of POF. Methods : Perip
신성열(Sung-Ryul Shin),김찬수(Chan-Su Kim),이상철(Sang-chul Lee),장원일(Won-Il Jang),윤지호(Ji-Ho Yun),임종세(Jong-Se Lim),김현도(Hyun-Do Kim),조철현(Chul-Hyun Jo) 한국마린엔지니어링학회 2007 한국마린엔지니어링학회 학술대회 논문집 Vol.2007 No.-
Estimating the physical properties of the survey area and mapping the geotechnical basement play an important role in ocean engineering and construction field. In this study, we performed marine seismic reflection and refraction survey as an engineering application at shallow marine. We made use of the dual boomer-single channel streamer as a source-receiver in reflection seismic survey and air-gun source - the manufactured OBC(Ocean Bottom Cable)-type streamer in refraction survey. In the seismic reflection data, we could easily find the geological layers and basement. Moreover, seismic refraction data could present sediment thickness and velocity distribution.
오용열(Yong Leul Oh),김현일(Hyun Il Kim),엄민섭(Min Sub Um),권한진(Han Jin Kwon),조호(Ho Cho),조욱현(Wook Hyun Cho),박정식(Jeong Sik Park) 대한내과학회 2000 대한내과학회지 Vol.59 No.5
Authors report two cases of hypothermic patients with Osborne's J wave on electrocardiogram. A 46-year-old male with liver cirrhosis was brought to the emergency room by ambulance due to comatous mental status. On exammination, the body temperature was below 35 ℃. By rewarming using warm normal saline intravenous infusion and hot pack application on the chest, his body temperature rose up to 36 ℃ and regained consciousness. Later, he expired with afterdrop phenomenon. Another 41-year-old stuporous quadriplegic male with post-traumatic cerebral palsy was brought to the emergency room by his family complaining weakness and vomiting. On exammination, the body temperature was below 35℃. He was rewarmed using warm normal saline intravenous infusion and hot pack application on the chest. However, he could not regain his normal body temperature and expired due to irreversible shock.(Korean J Med 59:561-564, 2000)
오하식,김현열,양한술,이정일,주영국,김철욱,Oh, Ha-Sik,Kim, Hyun-Youl,Yang, Han-Sul,Lee, Jeong-Ill,Joo, Young-Kuk,Kim, Chul-Uk 한국축산식품학회 2008 한국축산식품학회지 Vol.28 No.2
This study was conducted to investigate the meat quality characteristics of pork loin in 3 crossbred groups (30 pigs/group). The crossbreeds were LY female${\times}$D male, Y female${\times}$B male and L female${\times}$B male (L: Landrace, Y: Yorkshire, B: Berkshire, D: Duroc). Pork loins were collected from animals ($110{\times}120kg$ body weight) slaughtered in a commercial slaughter house and stored at $-3^{\circ}C$. Samples were analyzed for general composition, physico-chemical properties, meat and fat color, texture characteristics, sensory evaluation and fatty acid composition at 24 hrs postmortem, and TBARS (Thiobarbituric Acid Reactive Substances) values were determined at various storage times. The LYD pigs showed a higher back fat thickness than the YB and LB pigs. There were no significant differences in intramuscular fat, intermuscular fat, subcutaneous fat and springiness among the 3 crossbreeds. In addition, there were no significant differences in general composition, pH, drip loss, cooking loss and cooked sensory evaluation among the 3 crossbreeds (p>0.05). The shear force value of LB pork was significantly lower than other crossbreeds (p<0.05). Total heme pigment was significantly higher in YB pork compared to LYD and LB pork (p<0.05). The TBARS value of YB pork was significantly lower than that of LYD pork, except after the I day of storage (p>0.05). TBARS values increased significantly during storage for all three crossbreeds. The lightness (CIE L) of YB pork was significantly lower, while the redness (CIE a) was significantly higher in YB pork relative to the other crossbreeds. With regard to textural properties, the hardness and adhesiveness values were significantly lower in YB pork compared to LB pork. In fresh meat, the color of YB pork was significantly higher than the other breeds (p<0.05). The content of myristic acid (C14:0) was significantly lower, while the content of arachidonic acid (C20:4) was significantly higher in LB pork (p<0.05). These results show that the YB breed has the highest quality meat of the three crossbreeds.
Seungju Lee,김현열,Youn Joo Jung,Hyun-June Paik,Dong Il Kim,Chang Shin Jung,Seok-Kyung Kang,김지연,이석원,Youngtae Bae 한국유방암학회 2021 Journal of Breast Disease Vol.9 No.2
Purpose: Breast conserving surgery (BCS) is generally not considered for breast cancer because of concerns about the poor prognosis of triple negative breast cancer (TNBC). We assessed the outcomes of BCS and mastectomy for patients with stage II-IIIA TNBC. Methods: The data of 172 breast cancer patients diagnosed with stage II-IIIA TNBC who underwent treatment at Pusan National University Hospital and Pusan National University Yangsan Hospital from 2010 to 2014 were retrospectively analyzed. The patients were divided into the following two groups: patients who underwent BCS (n=101) and those who underwent mastectomy (n=71). The Cox regression model was used to examine the outcomes of both treatments. The median follow-up period was 71 months in the BCS group, and 67 months in the mastectomy group. Results: The median age of the 172 patients was 51 years (range, 22-82 years). In the BCS group, radiation therapy and chemotherapy (p<0.001 and p=0.007, respectively) were performed more frequently. The BCS group had more patients with a high Ki-67 index (p=0.006), while the mastectomy group included more patients with a higher pathologic T (pT) stage (p=0.005). The 5-year loco-regional recurrence-free, disease-free, and overall survival rates of the BCS group versus the mastectomy group were 93.8% versus 95.3%, 89.8% versus 90.7%, and 90.8% versus 86.3%, respectively, but the differences were not statistically significant. Lymphovascular invasion was a risk factor for disease-free survival and advanced stage was an important risk factor for overall survival. Conclusion: In stage II-IIIA TNBC, BCS was not inferior to mastectomy in locoregional recurrence rates, disease-free survival rates, or overall survival rates.