레이저 스페클간섭법에 있어서 스페클크기와 측정 한계에 관한 연구

윤성운,김경석,양승필,정현철,김정호,이도윤 한국공작기계학회 1996 한국생산제조학회지 Vol.5 No.1

The high coherence of laser beam has made it possible to observe interference effects even in the light scattered from rough surfaces. That's why, when object with a scattering surface is illuminated with laser light, we do see a speckled appearance due to random interference. This sort of unique property of laser speckle has brought into existence the new noncontacting techniques such as speckle metrology method of measuring deformation, displacement, and vibration etc of objects with high optical sensitivity. The measurable range of speckle metrology especially used to measure in-plane information, however, is limited by some factors, the so-called strain, rotation, tilt of surface and out of displacement perpendicular to the plane of analysis. This restrictions severly limits the measurable range of speckle metrology by causing the decorrelation of speckle patterns. It is the purpose of this paper to give a survey on the measurable limitation of speckle photography method that is one of speckle metrology. Namely we will discuss the mutual relationships and problems of each limitations adding the restriction of the largest and smallest displacement measurable with speckle methods.

e-Business와 경영학 교과과정

梁光敏,權玹澈,鄭允晧 中央大學校 經營硏究所 1999 經營學論集 Vol.26 No.1

군복무 청소년의 인권과 복지에 관한 연구

양철호,권순철,박순희,서현미,윤종성,이용교 동신대학교 2005 論文集 Vol.15 No.-

This study focuses on the human rights and welfare of adolescents who are in the military service. An adolescent should have rights of care, autonomy and participate. In Korea, mandatory military service is required for men. Thus their rights can be violated in the military. In this study, the rights of adolescents were categorized as the right to live, protection, develop and care, and the ways of providing those rights in the military were discussed.

수정 합성 HMT를 이용한 교통표지 분류

현영길,윤종수,도양회 濟州大學校工科大學産業技術硏究所 1999 尖端技術硏究所論文集 Vol.10 No.1

A classification algorithm of traffic signs using a MSHMT(modified synthetic hit-miss transform) is proposed for the autonomous road vehicles(ARV's). In the case of classification of traffic signs, there are many kinds of signs with intraclass distortions and interclass similarities. The MSHMT provides a good solution with the property of distortion invariant recognition of multiple objects in noisy and cluttered scene. The proposed algorithm of traffic sign classification consists of the phase of sign detection and the phase of symbol recognition. In the phase of sign detection, structuring elements(SEs) are synthesized using only set theory to adapt to simple variations. In the phase of symbol recognition, SEs are synthesized using set theory and SDF(synthetic discriminant function) synthesis method to adapt to complex variations. Based on extensive simulations, it has been shown that the proposed algorithm is efficient for the classification of traffic signs.

Mulligan 치료법과 고유수용성 신경근 촉진법이 동결견 환자의 치료에 미친 효과

양정애,윤홍일,박현식,신영일,전범수 대한정형도수치료학회 2006 대한정형도수물리치료학회지 Vol.12 No.1

The purpose of this study was to compare the effects of Mulligan method and PNF method on the pain and limitation of range of motion in patients with frozen shoulder. The subjects of this study were 20 patients, 10(50%) males and 10(50%) females. They visited clinic for physical treatment within 6 months after onset of shoulder pain and limitation of range of motion with frozen shoulder. One group was applied with Mulligan method and other group was with PNF method . The patient were treated 5 times session weekly for 6 weeks from March 4th, 2002. And each treatment session was 15min. with physiotherapy. The pain was measured by visual analogue scale (VAS) and rage of motion (ROM) of flexion, abduction, external rotation, internal rotation were measured by goniometer. The data was analysed by paired T-test and independent T-test. The results of this study were summarized as follow : 1. The ROM of Mulligan method group increase in after treatment in comparison with ROM in before treatment, it is significant increase. Although the VAS of MMG decrease in before than after treatment, it is significant difference. 2. There is significant difference in before and after treatment of ROM of shoulder flexion, abduction, internal rotation, external rotation between PNF method group. The VAS of PMG is decreasing in before than after treatment, it is significant difference. 3. There is significant difference in before movement and after movement ROM of flexion, abduction, internal rotation, external rotation and VAS between Mulligan method session and PNF method session then the scale which measured by Mulligan method was more increased than that of PNF method. The results showed that both Mulligan method and PNF method were effective in pain reduce and ROM increase, but Mulligan method was superior to PNF method in ROM increase and pain reduce.

성인 막성신병증의 임상적 고찰

양종오,이상주,박기현,장윤경,이강욱,서광선,신영태 충남대학교 의학연구소 2001 충남의대잡지 Vol.28 No.2

Membranous nephropathy (MN) is a glomerular disease characterized by diffuse thickening of the glomerular basement membrane without significant mesangial proliferative change and is usually manifested by the nephrotic syndrome. To evaluate the clinical and pathologic characteristics of this disease in adults, we analyzed 65 patients with primary membranous nephropathy who were diagnosed at Department of Internal Medicine, Chungnam National University Hospital from February 1986 to February 2001. The results are as follows: 1) Of total 96 patients with membranous nephropathy, 67.7% was primary MN. Hepatitis B-associated MN and lupus MN were 22.9%, and 9.4%, respectively. Median duration of follow-up was 35.1 months(0.3∼177) in primary MN, 49.6 months(2.5∼103) in lupus MN, and 35.6 months(0.5∼108) in hepatitis B-associated MN. 2) Mean age of the patients with primary MN at the time of diagnosis(43.3 years) was significantly higher than that of lupus MN(30.4 years) and HBV-associated MN(36.2 years). Male to female ratio of primary MN was 1.03:l. 3) At the time of diagnosis, 89.2% of primary MN was presented with nephrotic syndrome. Twenty seven percent of patients showed hypertension. Hematuria was found in 58.5% of primary MN patients. Azotemia was noted in 3.1 %. 4) Global sclerosis, tubular atrophy and interstitial fibrosis were noted in 39.8, 16.1 and 11.3% of primaty MN, respectively. IgG and C3 were deposited on the glomerular capillary loop in 92.7% and 29% of primary MN patients. There was no significant correlation between the electron microscopic pathologic stage and clinical findings. 5) Of 56 patients with primary MN followed more than 6 months, 50(90.9%) patients were treated with prednisolone, cyclophosphamide or cyclosporin. Complete remission was obtained in 29 patients(51.8%), partial remission in 6 patients(10.7%), and no response in 18 patients(32.1%). Of 6 patients who were not treated with immunosuppressive drugs, 3 patients showed spontaneous complete or partial remission. Three patients who did not show clinical improvement progressed to end-stage renal failure. There were no significant clinical difference including renal pathology at the time of diagnosis between the patients who showed complete or partial remission and patients who did not. In conclusion, it was difficult to predict the long-term prognosis of primary MN at the time of diagnosis, clinically. The response to therapeutic modality would be the most important to predict long-term prognosis of primary MN.

영양교육이 초등학교 학생의 영양지식에 미치는 효과

윤현숙,양한라 창원대학교 생활과학연구소 2000 생활과학연구 Vol.4 No.-

The purpose of this study was to promote health for elementary school children. It was conducted with the 7 week program focused on education of food tower and evaluation of its educational effects. Subjects consisted of 75 boys and girls(37 in the control group and 38 in the treatment group) in the 4th grade of elementary school, The results showed as follows. The proportion of boys(53.3%) was a little higher than that of girls(46.7%). In their mother's age, the thirties and forties were 66.7% and 33.3%, respectively. 61.3% of mothers have jobs and 86.7% of mothers prepare meals. The degree of nutritional knowledge in treatment group after education was significantly increased in all concepts, however, the degree of control group appeared significant increase (p<0.05) in only two concepts, such as "snack" and "one-sided diet". When the level of nutritional knowledge was divided into 4 four classes(excellent, good, fair, poor), the treatment group showed a significant increase in "excellent" from 5.5% to 73.7% after education. These findings indicate that well-designed program for nutrition education can be help to change food habit, and also children's education helps them to grow and to live as a healthy adult. The performance of educational program for preventive nutrition is more beneficial for children than for the adults based on the cost reduction and effect of this education.

수정 합성 HMT를 이용한 교통표지 분류

현영길,윤종수,도양회 濟州大學校 産業技術硏究所 1999 산업기술연구소논문집 Vol.10 No.1

A classification algorithm of traffic signs using a MSHMT (modified synthetic hit-miss transform) is proposed for the autonomous road vehicles(ARV's). In the case of classification of traffic signs, there are many kinds of signs with intraclass distortions and interclass similarities. The MSHMT provides a good solution with the property of distortion invariant recognition of multiple objects in noisy and cluttered scene. The proposed algorithm of traffic sign classification consists of the phase of sign detection and the phase of symbol recognition. In the phase of sign detection. structuring elements(SEs) are synthesized using only set theory to adapt to simple variations. In the phase of symbol recognition, SEs are synthesized using set theory and SDFkynthetic discriminant function) synthesis method to adapt to complex variations. Based on extensive simulations, it has been shown that the proposed algorithm is efficient for the classification of traffic signs.

고환수염전과 동반된 고환미석증 1예

양상국,신현준,김홍섭,정상원,노용수,김상윤 건국대학교 의과학연구소 1999 건국의과학학술지 Vol.9 No.-

Testicular microlithiasis is a rare disease characterized by calcifications within the seminiferous tubules. Testicular microlithiasis has been found with a wide variety of testicular pathology, but to our knowledge its association with torsion of appendix testis has been reported only one case. Therefore, we report on an 13-year-old boy with torsion of testis appendix and bilaterally diffusely echogenic testes on sonography.

최근 10년간 원광의대병원에서 시행한 소아 심장혈관 수술의 임상적 고찰

윤향석,정수미,최두영,오광수,오연균,김종덕,양현웅,이삼윤,김형곤,최종범,최순호,노병석 圓光大學校 醫科學硏究所 1995 圓光醫科學 Vol.11 No.2

We reviewed 10 years experiences of the clinical aspects and early postoperative results in 544 pediatric patients(age less than 16 years old). Among them. 529 cases had the congenital heart diseases, and 15 had the acquired diseases. Open heart surgery was performed in 413 patients. 115 cases were treated with non-open heart surgery. 16 with interventional catheterization. Annual increase of the cardiac patients was not significant in recent 10 years, except slight increase in 1994. The mean age of the study patients had been evidently changed to younger year by year. Total mortality rate of the open heart surgery was 6.4%. The cyanotic congenital heart diseases were high in early postoperative mortality by 25.7%, whereas 4% in acyanotic group. The age group less than one month was most highest in surgical mortality(66.7%). There were no deaths in patients with patent ductus arteriosus(103 cases), atrial septal defect(83 cases) or pulmonary stenosis(17 cases). Among 220 patients with ventricular septal defects(VSD). 10(4.5%) were died early postoperatively. In cyanotic group, the patients with pulmonary atresia with ventricular septal defects(PAVSD), transposition of the great arteries(TGA), interrupted aortic arch(IAA), complex cardiac anomalies with isomerism seemed to be most susceptible to an early death.