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이해풍,강인구 ( Hai Poong Lee,In Koo Kang ) 한국환경생물학회 1986 환경생물 : 환경생물학회지 Vol.4 No.1
Present studies were carried out to determined the structure of Arthropod`s community and their size of 3 sites in Ulsan city, Kyungsangnam-Do. The results obtained were ; 1) Numeral size of Arthropods in the industrial district is comparatively smaller than that in the nonindustrial district where are not polluted so much. 2) Despite of the different composition depending on surveyed area, the insects in order Orthoptera, Hymenoptera, Hemiptera, Coleptera, Collembola and Araneina form the majority part in the surveyed area. 3) Atractomorpha bedeli in Orthoptera, Paratrechina flavipes in Hymenoptera, Cryptocephalus approximates in Coleoptera and Tomocerus varius in Collembola are the common species in the surveyed area. 4) The community of Orthopterous, Hemipterous, Collembolous insects are comparatively higher in nonindustrial area than in industrial area. However, the community of Coleopterous insects is comparatively higher in industrial area than in nonindustrial area.
기능성 소화불량증 환자의 위내용물 배출시간에 대한 연구
함준수(Joon Soo Hahm),박경남(Kyung Nam Park),이민호(Min Ho Lee),기춘석(Chun Suhk Kee),이종철(Jong Chul Rhee),강인구(In Koo Kang),성인경(In Kyung Sung),김종필(Jong Pil Kim),이규택(Kyu Teak Lee) 대한소화기학회 1993 대한소화기학회지 Vol.25 No.3
N/A It has been reported that more than three-quarters of patients with dyspepsia were diagnosed to have functional dyspepsia. But the causes of this syndrome are unknown. Therefore, to evaluate the relationship between the gastric motor activity and functional dyspepsia, we compared the gastric emptying time (GET) in patients with functional dyspepsia with that in normal contrals. The study population consisted of 165 patients with functional dyspepsia admitted to or attending Hanyang University Hospital and 20 volunteers from the the beginning of Feb. 1989 to the end of June 1991. We measured gastric emptying rate for 150 minutes using radionuclide scintiscan of an Tc-labeled chicken liver. The m#ean GET (T1/2) was 84.9+-16.4 min in normal controls. In 165 patients, 94 patients (57%) showed delayed gastric emptying, whereas 71 patients (43%) showed normal gastric emptying. The median age for patients with functional dyspepsia was 41 years. Women outnumbered men in patients with functional dyspepsia (2:1). There were no statistical differences in scores of upper gastrointestinal symptoms. Gastric emptying time was delayed in 57% of patients with functional dyspepsia and women outnumbered men two folds. Also our results showed the.t the scores of upper abdominal symptoms cannot be helpful in diagnosing the underlying gastric motility disturbances.
복강경을 이용한 유피낭종적출의 다른 네가지 방법의 후향적 비교연구
이윤순(Yoon S . Lee),이택후(Taek H . Lee),조영래(Young R . Cho),전상식(Sang S . Chun),박일수(Il S . Park),강인구(In K . Kang),구태본(Tae B . Koo),최진호(Jin H . Choi) 대한산부인과학회 2002 Obstetrics & Gynecology Science Vol.45 No.2
목적 : 이 논문은 유피낭종의 복강경 치료에 있어 4가지 서로 다른 적출방법을 비교하기 위한 것이다. 연구 방법 : 1995년에서 1998년까지 경북대학교병원, 대구파티마병원에서 양성 유피낭종으로 복강경하 낭종적출술을 시행한 247명의 환자를 대상으로 후향적 비교연구를 시행하였다. 유피낭종의 적출방법으로 99예에서는 endopouch를 사용하였고, 천자-세척-적출법 69예, 질벽절개술 35예, 44예에서는 dermoid cyst as a pouch bag을 사용하였다 결과 : 각기 다른 4가지 적출방법의 복강내 세척양, 수술시간, 술후 재원기간, 합병증을 분석하였다. Endopouch를 사용한 적출방법이 복강내 세척양이 가장 적었으며, 술후 가장 짧은 재원기간을 필요로 하였다. (ANOVA, p=0.0001) 수술시간은 4군간에 차이를 보이지 않았다. 4예 (6%)에서 이병율을 보였는데, 3예에서 열 (>38℃)이 났으며, 천자-세척-적출법을 사용한 1예에서 복강내농양을 형성하였다. 그리고 pouch bag을 사용한 1예 (2%)에서는 절개성허니아가 생겼다. 결론 : 복강경하 유피낭종 적출법시 화학적 복막염을 예방하기위해 천자-세척-적출법을 제외한 Endopuch, pouch bag, 질벽절개술과 같이 복강내 유출을 최소화할 수 있는 적출법과 충분한 복강내 세척이 필요하리라 생각된다. Objectives : To compare results of 4 different extraction methods in laparoscopic management of dermoid cyst. Study design : This article is a retrospective, multicenter study for 247 patients with benign dermoid cyst in period of 1995-1998. Dermoid cyst was extracted by Endopouch (99 cases), puncture-irrigation- extraction (69 cases), colpotomy (35 cases), and dermoid cyst as a pouch bag (44 cases). Results : We analyzed irrigation amount, operative time, postoperative hospital stay and complications by four different extraction methods. Endopouch extraction method needed less amount of irrigation fluid for cleaning the abdominal cavity and had a shorter postoperative hospital stay (ANOVA, p=0.0001). There were no significant differences in operative times among groups. There were four cases of morbidity in puncture-irrigation-extraction method (6%), three had fever (> 38℃) and one intraabdominal abscess. One incisional hernia was noted in pouch bag method (2%). Conclusions : We recommend minimal spillage method for extraction of dermoid and careful irrigation of abdominal cavity to prevent potential risk of chemical peritonitis such as Endopouch, pouch bag, and colpotomy with the exception of puncture-irrigation-extraction method.
제로기반 코드 변조 기법을 통한 비디오 핑거프린팅 시스템
최선영,이해연,강인구,이흥규,Choi Sun Young,Lee Hae-Yeoun,Kang In Koo,Lee Heung-Kyu 한국정보처리학회 2005 정보처리학회논문지B Vol.12 No.4
Digital fingerprinting is a contents-protection technique, where customer information is inserted into digital contents. Fingerprinted contents undergo various attacks. Especially, attackers can remove easily the inserted fingerprint by collusion attacks, because digital fingerprinting inserts slightly different codes according to the customers. Among collusion attacks, averaging attack is a simple, fast, and efficient attack. In this paper, we propose a video fingerprinting system that is robust to the averaging attack. In order to achieve code efficiency and robustness against the averaging attack, we adopt anti-collusion code (fingerprint code) from GD-PBIBD theory. When the number of users is increased, the size of fingerprint code also grows. Thus, this paper addresses a zero-based code modulation technique to embed and detect this fingerprint code efficiently. We implemented a blind video fingerprinting system based on our proposed technique and performed experiments on various colluding cases. Based on the results, we could detect most of colluders. In the worst case, our scheme could trace at least one colluder successfully. 디지털 핑거프린팅은 워터마킹 기술에 기반한 콘텐츠 보호 기술로 디지털 콘텐츠에 구매자의 정보인 핑거프린트를 삽입하는 기술을 말한다. 콘텐츠 안에 삽입된 핑거프린트 정보는 다양한 공격을 받게 된다. 특히 동일한 콘텐츠 안에 서로 다른 구매자의 정보를 넣게 되는 핑거프린팅의 특성으로 인해 공모 공격이 가능하고, 그 중 평균화 공격은 빠르고 효과적인 공모 공격에 해당한다. 본 논문에서는 평균화 공격에 강인한 비디오 핑거프린팅 시스템을 제안한다. 공모 공격 후에도 특정 위치의 코드 값이 원래의 값을 유지할 수 있는 공모 방지 코드를 적용하였다. 또한 사용자의 수가 늘어남에 따라 핑거프린트 코드의 길이가 증가하는데 이와 같은 코드의 효율적인 삽입 및 검출을 위해 제로기반 코드 변조 기법을 적용함으로써 올바른 공모자 추적이 가능하도록 하였다. 제안한 방식을 사용하여 원본 비디오를 사용하지 않는 비디오 핑거프린팅 시스템을 구현하였고, 다양한 공모자의 수에 따른 실험을 수행하였다. 실험 결과에 따르면 대부분의 경우 공모자를 올바르게 추출할 수 있었고, 최소 한 명 이상의 공모자를 성공적으로 검출할 수 있었다.
석지혜(Ji Hae Seok),정성욱(Seong Wook Chung),손성권(Seong Kweon Son),이리라(Ri Ra Lee),이덕희(Deok Hi Lee),강인구(In Koo Kang),김익수(Ik Soo Kim) 대한산부인과학회 1999 Obstetrics & Gynecology Science Vol.42 No.8
Cyclopia is rare congenital craniofacial anomaly, in which the eyes are fused together and located in a single orbit. It is consistently associated with severe holoprosencephaly, which is the failure of cleavage of the prosencephalon with a deficit in the midline facial development. chromosomal study revealed 47, X( ), +13 (Patau syndrome).