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On 3-D Measuring Technique of Large structures
Hideyuki SAWADA,Kazuo ICHIMURA,Takakazu ISHIMATSU 대한전자공학회 1992 대한전자공학회 학술대회 Vol.1992 No.10
We present a system to measure 3-dimensional coordinates of large structures such as ships, buildings and oil tanks. Our system consists of two important units which are a laser spot pointer and a laser spot tracker. Employing a tactful image processing, our system has some features:e.g. downsize, cost, accuracy and robustness to hazardous environments.
Hideyuki Sekine 고려대학교 민족문화연구원 2007 民族文化硏究 Vol.47 No.-
민족의 기원이나 여러 민족 간의 계통관계에 관한 연구는 "과학적 지식"이 정치적 요건이나 연구자의 개인적 성향에 영향을 받을 수 있는 속성을 지니고 있기 때문에 이론 속에 임의성을 포함하고 있다. 17세기 이래 한국인과 일본인의 계통관계에 관한 다양한 대안들이 나왔다. 일본이 한국을 합병했을 때는 한국인과 일본인 사이에 계통관계가 있다는 패러다임이 학계를 지배하였다. 그러나 제2차 세계대전 후 그것은 침략 이데올로기로서 인식되었고 대신 두 민족에게 아무 계통관계가 없다는 패러다임이 일어났다. 그러나 유전자 연구가 발전한 오늘날 한국인과 일본인이 유전적으로 동질성 이 있다는 사실이 받아들여지고 있다. 이 분야의 발달은 한국인과 일본인의 계통연구의 패러다임 전환을 촉진할 수 있는 가능성이 있다. 나아가 그것은 두 민족의 문화적 계통관계에 관한 인문학에 영향을 미칠 수 있다. 필자는 이러한 시대적 상황을 감안해서 다음과 같은 앞으로의 연구 과제를 제안하고자 한다. 첫째, 제2차 세계대전 이후 한국인과 일본인의 계통연구가 부정된 패러다임이 형성된 사회적 요인을 각 학문분야별로 분석하는 일이다. 둘째, 그동안 기존의 패러다임으로 인해 대상으로 올라갈 기회를 얻지 못했던 계통연구를 재조명하는 일이다 셋째, 이와 관련된 지적 유산을 한국과 일본의 연구자가 공유할 수 있는 체제로 정비하는 일이다. The studies on the origin of a nation or on the genealogy among nations are apt to distort the scientific knowledges about the genealogy arbitrarily because they are influenced by political conditions, individual inclinations of researchers and so on. Since 17th century, various alternative theories about the genealogy between the Koreans and Japanese have been raised. When Japan annexed Korea, the paradigm which should admit the genealogy between the Koreans and Japanese dominated the academic world. However, it broke down because it was recognized as ideology for invasion. Instead, alternative paradigm which should deny genealogy between both nations dominated the academic world after the World War II. Nevertheless, by virtue of development of genetic researches it is accepted that the Koreans and the Japanese are genetically homogeneity. The further development of this field may promote paradigm shift in the genealogy between both nations again. And also it may influence humanities about cultural genealogy between both nations. I"m going to propose the following research subjects for the future. First, we should analyze the social factors in each reach field which have the paradigm that should deny the genealogy between the Koreans and Japanese formed after World War II. Second, we should re-illuminate the past and present researches on the genealogy between two populations which have been excluded in research programs because of the present paradigm. Third, we have to construct research systems through which researchers from Korea and Japan can share the intellectual inheritance concerning the genealogy between the Koreans and Japanese.
Endoscopic Ultrasound-Guided Gastroenterostomy for Afferent Loop Syndrome
Hideyuki Shiomi,Arata Sakai,Ryota Nakano,Shogo Ota,Takashi Kobayashi,Atsuhiro Masuda,Hiroko Iijima 대한소화기내시경학회 2021 Clinical Endoscopy Vol.54 No.6
Afferent loop syndrome (ALS) is a mechanical obstruction of the afferent limbs after gastrectomy with gastrojejunostomyreconstruction. Patients with cancer recurrence require immediate and less invasive treatment because of their poor condition. Percutaneous transhepatic/transluminal drainage (PTD) and endoscopic enteral stenting offer reasonable palliative treatment formalignant ALS but are not fully satisfactory in terms of patient quality of life (QoL) and stent patency. Endoscopic ultrasound-guidedgastroenterostomy (EUS-GE) using a lumen-apposing metal stent may address these shortcomings. Clinical data from 11 reportsshowed that all patients who had undergone EUS-GE had positive technical and clinical outcomes. The adverse event rate was11.4%, including only mild or moderate abdominal pain, with no severe adverse events. Indirect comparative studies indicated thatpatients who had undergone EUS-GE had a significantly superior QoL, a higher clinical success rate, and a lower reintervention ratethan those who had undergone PTD or endoscopic enteral stenting. Although the evidence is limited, EUS-GE may be consideredas a first-line treatment for malignant ALS because it has better clinical outcomes than other less invasive treatments, such as PTD orendoscopic enteral stenting. Further prospective randomized control trials are necessary to establish EUS-GE as a standard treatmentfor ALS.
( Hideyuki Tamai ),( Yoshiyuki Ida ),( Akira Kawashima ),( Naoki Shingaki ),( Ryo Shimizu ),( Kosaku Moribata ),( Tetsushi Nasu ),( Takao Maekita ),( Mikitaka Iguchi ),( Jun Kato ),( Taisei Nakao ),( 대한간학회 2017 Gut and Liver Vol.11 No.4
Background/Aims: The present study aimed to evaluate the safety and efficacy of simeprevir-based triple therapy with reduced doses of pegylated interferon (PEG-IFN) and ribavirin for interferon (IFN) ineligible patients, such as elderly and/or cirrhotic patients, and to elucidate the factors contributing to a sustained virologic response (SVR). Methods: One hundred IFN ineligible patients infected with genotype 1b hepatitis C virus (HCV) were treated. Simeprevir (100 mg) was given orally together with reduced doses of PEG-IFN-α 2a (90 μg), and ribavirin (200 mg less than the recommended dose). Results: The patients` median age was 70 years, and 70 patients were cirrhotic. Three patients (3%) discontinued treatment due to adverse events. The SVR rate was 64%. Factors that significantly contributed to the SVR included the γ-glutamyl transferase and α-fetoprotein levels, interleukin- 28B (IL28B) polymorphism status, and the level and reduction of HCV RNA at weeks 2 and 4. The multivariate analysis showed that the IL28B polymorphism status was the only independent factor that predicted the SVR, with a positive predictive value of 77%. Conclusions: Simeprevir-based triple therapy with reduced doses of PEG-IFN and ribavirin was safe and effective for IFN ineligible patients infected with genotype 1b HCV. IL28B polymorphism status was a useful predictor of the SVR. (Gut Liver 2017;11:551-558)