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포스터 전시 : 상부위장관 11 ; H. pylori 감염을 동반하지 않은 MALT (Mucosa-Associated Lymphoid Tissue) 임파종 환자의 1예
이정록 ( Jeong Rok Lee ),한상우 ( Sang Woo Han ),김명철 ( Myoung Cheol Kim ),윤종구 ( Jong Goo Yoon ),김병욱 ( Byung Wook Kim ),김상우 ( Sang Woo Kim ),김성수 ( Sung Soo Kim ),이동수 ( Dong Soo Lee ),채현석 ( Hyun Suke Chae ),최 대한소화기학회 2002 대한소화기학회 추계학술대회 Vol.2002 No.-
이정록(Jeong-Rok Lee),배경렬(Kyeong-ryeol Bae),문병인(Byungin Moon) 한국통신학회 2013 韓國通信學會論文誌 Vol.38 No.9(통신이론)
허프 변환은 데이터 손실 및 왜곡이 포함된 영상에서도 직선 정보 추출에 용이한 장점이 있어 컴퓨터 비전 분야의 응용분야에 널리 사용되어 왔다. 그러나 허프 변환의 보팅 과정은 비효율적인 연산구조와 많은 메모리 접근 횟수로 인해 실시간 처리 임베디드 비전 시스템에 적용하는데 한계가 있다. 이에 본 논문에서는 허프 변환의 개선된 보팅 정책을 제시하고, 이를 적용하여 적은 하드웨어 자원 사용량으로 실시간 성능을 만족하는 허프 변환의 하드웨어 구조를 제안한다. 제안된 보팅 정책은 인접한 픽셀 간의 관계를 이용하여 보팅 연산 과정의 오버헤드를 줄였으며, 하드웨어 재사용성을 높임으로서 효율적인 연산구조를 가진다. 이러한 개선된 보팅 정책을 적용한 제안된 하드웨어 구조는 인접한 픽셀들의 보트 값을 병렬적으로 연산하고 저장하여 시간당 처리량을 높인다. 제안 구조의 장점은 순차적 연산 방식 대비 매우 적은 추가 하드웨어 자원만으로 이러한 성능 향상을 위한 병렬화를 달성한다는 것이다. The Hough transform for line detection is widely used in many machine vision applications due to its robustness against data loss and distortion. However, it is not appropriate for real-time embedded vision systems, because it has inefficient computation structure and demands a large number of memory accesses. Thus, this paper proposes an improved voting scheme of the Hough transform, and then applies this scheme to a Hough transform hardware architecture so that it can provide real-time performance with less hardware resource. The proposed voting scheme reduces computation overhead of the voting procedure using correlation between adjacent pixels, and improves computational efficiency by increasing reusability of vote values. The proposed hardware architecture, which adopts this improved scheme, maximizes its throughput by computing and storing vote values for many adjacent pixels in parallel. This parallelization for throughput improvement is accomplished with little hardware overhead compared with sequential computation.
이정록 ( Jeong Rok Lee ),오준호 ( Jun Ho Oh ),서지연 ( Ji Youn Seo ),김태은 ( Tae Yuen Kim ),홍세영 ( Sae Young Hong ),윤성익 ( Seng Yick Yun ),차웅석 ( Wung Seok Cha ),김남일 ( Nam Il Kim ) 대한경락경혈학회 2007 Korean Journal of Acupuncture Vol.24 No.1
Objectives: Balhae was a Kingdom forming the Period of Southern and Northern Kingdoms with Shilla. Because there have been paid little attention to the medicine of Balhae in the medical history field, we have little information on the medicine of Balhae thoroughly in detail. The aim of this study was to explorer on the acupuncture and moxibustion in Balhae as a part of the study on the medicine of Balhae. Methods: Because the historical remains of BalHae is not sufficient, it is hard to find out the part directly related to medicine However, the study established the category of acupuncture and moxibustion based on two rational frames from both diachronic and synchronic respects. Results: BalHae succeeded to the unique tradition and manufactured excellent needles which is harmless to human body. And BalHae`s acupun`cture was the highest level in those days by succeeding to the tradition from Gogugryeo. There might have been the Bi-Bo idea that we can treat country`s disease with the Bo-sa (補瀉) theory of acupuncture in BalHae. Conclusions: We could know that there has been many medical scriptures of our own in BalHae. We could find out that BalHae succeeded to the legitimacy of our native medicine from Gojosun to Goguryeo and that they had the highest Acupuncture and Moxibustion in those days.
중복연산 최소화를 통한 저비용 허프 변환 하드웨어 구조
허성남(Seong-nam Heo),이정록(Jeong-Rok Lee),배경렬(Kyeong-ryeol Bae),문병인(Byungin Moon) 한국정보기술학회 2013 Proceedings of KIIT Conference Vol.2013 No.5
본 논문은 영상의 직선 성분 검출에 널리 사용되는 허프 변환의 하드웨어 구조에 관한 논문이며, 메모리 및 하드웨어 사용량을 최소화하기 위한 연구를 수행하였다. 본 논문에서는 ???값과 ???값이 대칭인 점을 이용하여 중복연산을 최소화하고, 이를 통해 메모리 및 하드웨어의 재사용성을 높이는 방안을 제시한다. 제안하는 하드웨어 구조는 Verilog-HDL을 통해 모델링 되었으며, 실험을 통해 기존 허프 변환 구조와 비교하여 검출정확성에는 차이가 없지만 하드웨어 및 메모리 사용이 감소함을 확인하였다. This paper presents a new hardware architecture of hough transform which is widely used for line detection and a method to minimize the amount of memory and hardware. Using the mathematical properties of trigonometric function, duplicated operations are minimized and reusability of hardware resources is increased. The proposed architecture is modeled by the Verilog-HDL. Experimental results show that the line detection accuracy is the same with that of conventional architecture while the amount of memory and hardware logic is significantly decreased.
이지명 ( Ji Myoung Lee ),이강문 ( Kang Moon Lee ),김형욱 ( Hyung Wook Kim ),정우철 ( Woo Chul Chung ),백창렬 ( Chang Nyol Paik ),이정록 ( Jeong Rok Lee ),최영진 ( Yeong Jin Choi ),양진모 ( Jin Mo Yang ) 대한소화기학회 2008 대한소화기학회지 Vol.52 No.2
Urological complications are not uncommon in Crohn`s disease (CD). The most common manifestations are renal stones, enterovesical fistulas, and ureteral obstruction, but renal parenchymal disease has rarely been reported. IgA nephropathy, the most common form of primary glomerulonephritis, is usually isolated, but can be sometimes associated with chronic extrarenal disorders such as inflammatory bowel disease. We describe a case of 36 year-old man with CD associated with IgA nephropathy. He was diagnosed as CD 6 years ago and at that time, isolated proteinuria was observed. He presented recurrent proteinuria and elevation of creatinine level while he had been managed well with mesalamine and azathioprine. The renal biopsy was performed and IgA nephropathy (type IV) was diagnosed. Strict blood pressure control with angiotensin converting enzyme inhibitor and calcium channel blocker resulted in clinical improvement and normalization of serum creatinine level. (Korean J Gastroenterol 2008;52:115-119)
Luschka 담관 손상으로 인한 담즙 누출을 내시경적 경비 담도 배액술로 치료한 1예
고순영 ( Soon Young Ko ),이정록 ( Jeong Rok Lee ),왕준호 ( Joon Ho Wang ) 대한소화기학회 2017 대한소화기학회지 Vol.69 No.2
A 51-year-old man underwent laparoscopic cholecystectomy for gallbladder stones. He had developed fever, chills, and abdominal pain four days after the procedure. In the drain tube, bile was persistently observed. An endoscopic retrograde cholangiopancreatography (ERCP) showed a leakage from the small duct into the right intrahepatic duct. We determined that the bile leak was caused by an injury to the ducts of Luschka. An endoscopic sphincterotomy (ES) using a 5-F nasobiliary tube (NBT) was performed, and the leak was resolved in five days. Herein, we report a bile leak caused by an injury to the ducts of Luschka after laparoscopic cholecystectomy. The leak was treated with ES using 5-F NBT, and the resolution of the leak was confirmed without repeated endoscopy. (Korean J Gastroenterol 2017;69:147-150)
증례 : 소화기 ; 해부학적 이상 환자에서 시행한 복강경 유도 경피적내시경위조루술
박상훈 ( Sang Hoon Park ),이정록 ( Jeong Rok Lee ),임종구 ( Jong Gu Lim ),박종훈 ( Jong Hoon Park ),윤형석 ( Hyung Suk Yoon ),이정화 ( Jung Hwa Lee ),유준식 ( Jun Sik Yu ) 대한내과학회 2014 대한내과학회지 Vol.87 No.3
Percutaneous endoscopic gastrostomy (PEG), which was first introduced in 1980, was quickly adopted for use in pediatric and adult patients. However, problems such as severe kyphoscoliosis, interposed organs, or other forms of distorted anatomy, may prevent effective and safe PEG tube placement. In such cases, laparoscopy-assisted PEG (LAPEG) is a useful optional procedure for patients with distorted anatomy and an initial unsuccessful PEG attempt. Furthermore, less invasive measures are preferable over surgical gastrostomy. We present a 27-year-old-male patient with severe kyphoscoliosis and a history of PEG-related complications with a colocutaneous fistula appearing 10 months earlier in whom a feeding tube was successfully placed by LAPEG. There were no LAPEG-related complications in the perioperative period, either technical or metabolic. After discharge, the patient was effectively fed using the bolus method. (Korean J Med 2014;87:318-322)
Helicobacter pylori 제균요법 적용의 실태 분석: 단일 기관 연구
정우철 ( Woo Chul Chung ),이강문 ( Kang Moon Lee ),백창렬 ( Chang Nyol Paik ),이정록 ( Jeong Rok Lee ),정성훈 ( Sung Hoon Jung ),김진동 ( Jin Dong Kim ),한석원 ( Sok Won Han ),정인식 ( In Sik Chung ) 대한소화기학회 2009 대한소화기학회지 Vol.53 No.4
목적: 현재 H. pylori 제균치료는 소화성 궤양 환자에서만 인정을 받고, 위암이나 위염 환자를 대상으로 적용 범위를 확대 적용하는 것에는 아직 논란의 여지가 있다. 최근 들어 표준 삼제요법의 제균율이 점차 감소하는 경향을 보이며, 이는 항생제 내성의 증가 및 환자의 순응도 감소와 가장 큰 연관이 있으나, 다른 여러 요인들도 제균율에 영향을 미치는 것으로 알려져 있다. 저자들은 진료과에 따른 제균율의 차이가 있는지 알아보기 위해 진료과별 제균치료 현황과 제균율, 그리고 내시경적인 궤양에 대한 적용 빈도를 조사하였다. 대상 및 방법: 2003년 1월부터 2007년 6월까지 가톨릭대학교 성빈센트병원에서 H. pylori 제균요법을 시행했던 환자를 대상으로 소화기내과, 일반내과, 가정의학과별로 제균율의 차이를 후향 조사하였다. 대상 환자는 2,050명으로 의료영상 저장 전송 체계(PACS)를 이용하여 3명의 내시경전문의가 각각의 내시경 소견을 다시 판독하여 내시경적인 미란과 궤양을 구분하였다. 결과: 일차 삼제요법에 대한 제균율은 82.5%였고, 이차 사제요법에 대한 제균율은 71.2%였다. 일차 진료를 담당하는 가정의학과와 내과 일반에서 소화기내과에 비해 내시경적인 미란에 대해 제균요법을 시행하는 빈도가 의미 있게 높았고, 전체 제균율과 내시경적인 궤양에 대한 제균율은 유의하게 낮았다. 결론: 일차 진료과에서 적용한 H. pylori 제균요법은 미란 등 부적절한 제균대상이 많았다. 전체적인 제균율이나 내시경적인 궤양에 대한 제균율은 소화기내과가 일차 진료과에 비해 의미 있게 높았고, 이것은 여러 가지 복합적인 요인이 작용하고 있을 것이며, 그 중에서도 복약에 대한 환자의 순응도가 중요한 역할을 할 것으로 본다. Background/Aims: Eradication rates of Helicobacter pylori (H. pylori) tend to decrease over the last few years. Apart from the antibiotic resistance and patient`s compliance, various factors have an influence on the efficacy of eradication therapy. We analyzed the inter-departmental differences in the eradication therapy for H. pylori infection. Methods: Between January 2003 and June 2007, total 3,072 eradication regimens were prescribed to patients. Eradication rates according to departments-gastroenterology (GE), general internal medicine (IM) and family medicine (FM)-were analyzed retrospectively. Results: The overall eradication rate of first-line triple therapy was 82.5% and second-line quadruple therapy was 71.2%. In the department of IM and FM, the eradication therapy was applied more frequently to the patients with erosion only, not ulcer. Overall eradication rates according to the departments were 87.0% in GE, 81.1% in IM and 77.2% in FM (p=0.02 GE vs. IM and p<0.01 GE vs. FM, respectively). Eradication rate in patients with peptic ulcer was also significantly higher in GE compared with IM or FM. Conclusions: In primary clinic (IM and FM), the eradication therapy was frequently applied to erosion. The eradication rates of H. pylori in GE department were significantly higher than those of IM or FM. Inter-departmental differences of the eradication rate might be caused by patients` compliance to prescribed medication. (Korean J Gastroenterol 2009;53:221-227)
복막투석 중단없이 성공적으로 치료한 복막투석 치료 중인 당뇨병성 만성신부전 환자에서 발생한 고삼투압성 혼수 2 예
강형주(Hyong Ju Kang),박철휘(Cheol Whee Park),이소연(So Yeon Lee),최현철(Hyun Cheul Choi),이정록(Jeong Rok Lee),손장명(Jang Myung Son),신영신(Young Shin Shin),장윤식(Yoon Sik Chang),방병기(Byung Kee Bang) 대한신장학회 2001 Kidney Research and Clinical Practice Vol.20 No.3
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