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미취학 아동 어머니의 양육특성과 건강 특성이 경제활동 참가에 미치는 융합적 요인 분석
김성민,송혜영,Kim, Seong Min,Song, Hye-young 한국융합학회 2021 한국융합학회논문지 Vol.12 No.9
본 연구는 제7차 여성 가족 패널 조사자료를 2차 분석하여, 직장군과 비직장군의 양육 특성과 건강 특성을 비교하기 위한 서술적 조사 연구이다. 만19세 이상 64세 이하의 여성 중에서 미취학 아동 어머니를 대상 총 697명을 대상으로 교차분석과 로지스틱 회귀분석을 실시하였다. 아이돌보미가 있는 경우, 이용하는 보육 시설개수가 많을수록, 시부모나 친정부모 돌봄을 받는 경우, 신체활동을 주 3회 미만으로 하는 경우가 경제활동을 많이 하였다. 반면, 미취학 자녀 수가 많을수록 경제활동을 안 하는 것으로 나타났다. 미취학 아동 어머니의 신체활동 확보와 일과 가정 양립을 뒷받침할 수 있는 양육 친화적 가족 및 직장문화 조성이 필요하다. This study is a second analysis of the 7th Korean Longitudinal Survey of Women and Families. And, it is a descriptive survey research for comparing parental and health characteristics of 2 groups of workers and non-workers. For this, it has used crossover analysis and logistic regression analysis with the subjects of mothers of preschoolers - of 697 females in total, aged between 19 and 64. Based on the result of the logistic regression analysis, we have discovered a few factors inducing the females to participate in more economic activities. The factors are as follows : baby sitters available, the more number of child care centers, the more helps of baby sitting from the females' parents and in-law parents and physical activities less than 3 times a week. In contrast, however, the more preschoolers they have, the less likely they are to take an active part in the economy. Against the backdrop, the government should develop social service systems to encourage various child care services and to foster 'child raising mothers-friendly' environments not only in families but in workplaces. All this is to improve the health characteristics of preschoolers' mothers in a more healthy way' and to strike a balance between work and family.
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김성민,송종관,윤병우,박장식,Kim, Sung-Min,Song, Jong-Kwan,Yoon, Byung-Woo,Park, Jang-Sik 한국전자통신학회 2014 한국전자통신학회 논문지 Vol.9 No.9
객체인식은 지능적이고 다양화된 범죄 예방을 위한 영상 감시 시스템에서 중요한 기술 중 하나이다. 사람의 신체 정보인 키는 그 대상이 가지고 있는 신체적인 특징 중 하나로 신원을 확인하는데 중요한 정보가 될 수 있다. 본 논문에서는 CCTV 영상으로부터 보행자를 검출하고 검출된 객체인 보행자의 키를 추정하는 방법을 제안하였다. 이를 위하여 GMM(Gaussian Mixture Model) 방식을 이용하여 움직이는 객체를 분리하고, 분리된 후보 객체들의 가로세로 비율, 크기 등의 조건을 이용하여 보행자를 검출하였다. 제안한 방법을 CCTV 영상에 적용하고 동일 보행자에 대하여 근거리, 중거리, 원거리의 위치에서 키를 추정하고 정확성을 평가하였다. 실험결과 근거리에서 97%, 중거리에서 98%, 원거리에서 97% 이상의 정확도로 키 추정이 가능함을 보였다. 또한 영상내의 보행자는 위치에 따라 크기가 다르지만 실험을 통하여 제안하는 방법이 보행자의 위치에 관계없이 키를 추정하는데 효과적임을 확인하였다. Object recognition is one of the key technologies of the monitoring system for the prevention of various intelligent crimes. The height is one of the physical information of a person, and it may be important information for identification of the person. In this paper, a method which can detect pedestrians from CCTV images and estimate the height of the detected objects, is proposed. In this method, GMM (Gaussian Mixture Model) method was used to separate the moving object from the background and the pedestrian was detected using the conditions such as the width-height ratio and the size of the candidate objects. The proposed method was applied to the CCTV video, and the height of the pedestrian at far-distance, middle- distance, near-distance was estimated for the same person, and the accuracy was evaluated. Experimental results showed that the proposed method can estimate the height of the pedestrian as the accuracy of 97% for the short-range, 98% for the medium-range, and more than 97% for the far-range. The image sizes for the same pedestrian are different as the position of him in the image, it is shown that the proposed algorithm can estimate the height of pedestrian for various position effectively.
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김성민,송종관,윤병우,박장식,Kim, Sung-Min,Song, Jong-Kwan,Yoon, Byung-Woo,Park, Jang-Sik 한국전자통신학회 2014 한국전자통신학회 논문지 Vol.9 No.3
객체 인식은 지능적이고 다양화된 범죄 예방을 위해 감시 시스템에서 중요한 기술이다. 사람의 신체 정보인 키는 대상이 가지고 있는 신체적인 특징으로 신원을 확인하는데 중요한 정보가 될 수 있다. 본 논문에서는 RGB-Depth 카메라, 키넥트를 활용한 새로운 키 추정 방법을 제안한다. 사람의 키를 측정하기 위해 키넥트의 높이를 알고 있는 것으로 가정하고, 키넥트에서 머리와 발까지의 거리를 키넥트의 깊이 정보를 이용하여 사람의 키를 추정한다. 실험을 통하여 제안하는 방법이 실내에서 사람의 키를 추정하는데 효과적임을 확인한다. Object recognition is one of the key technologies of the monitoring system for the prevention of crimes diversified the intelligent. The height is one of the physical information of the person, it may be important information to confirm the identity with physical characteristics of the subject has. In this paper, we provide a method of measuring the height that utilize RGB-Depth camera, the Kinect. Given that in order to measure the height of a person, and know the height of Kinect, by using the depth information of Kinect the distance to the head and foot of Kinect, estimating the height of a person. The proposed method throughout the experiment confirms that it is effective to estimate the height of a person in the room.
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감염병소 영상을 위한 (99m)Tc-Transferrin 개발
김성민 ( Seong Min Kim ),송호천 ( Ho Chun Song ) 대한핵의학회 2006 핵의학 분자영상 Vol.40 No.3
목적: 본 연구의 목적은 (99m)Tc방사성표지 트렌스페린((99m)Tc-transferrin)을 개발하여 감염/염증병소의 진단에 이용할 수 있는지 알아보고, 이를 (67)Ga-citrate 영상과 비교하고자 하였다. 대상 및 방법: Succinimidyl 6-hydrazino-nicotinate hydrochloride-chitosan-transferrin (Transferrin)을 합성하고, 여기에 (99m)Tc 방사성 표지를 시행하였다. (99m)Tc-transferrin의 방사성표지효율은 표지 후 10분, 30분, 1시간, 2시간, 8시간에 측정하였다. 포도상구균(ATCC 25923, 2×10(8) colony forming unite, 0.2 ml)을 접종한 쥐농양모델에서 (99m)Tc-transferrin과 (67)Ga-citrate의 생체내 분포를 평가하고 영상 검사를 실시하였다. 결과: 질량분석계를 이용하여 Transferrin이 성공적으로 제조되었음을 알 수 있었다. (99m)Tc-transferrin의 방사성표지효율은 10분, 30분, 1시간, 2시간, 4시간, 8시간에 각각 96.2±0.7%, 96.4±0.5%, 96.6±1.0%, 96.9±0.5%, 97.0±0.7%, 95.5±0.7%이었다. (99m)Tc-transferrin의 단위섭취량은 감염병소에서 0.18±0.01%, 0.18±0.01%, 정상근육에서 0.05±0.01%, 0.04±0.01%이었고, 감염병소 대 정상근육 섭취비는 30분과 3시간에 각각 3.7±0.6, 4.7±0.4이었다. (99m)Tc-transferrin 영상에서 10분, 30분, 1시간, 2시간, 4시간 그리고 10시간에서의 병소/배후방사능비는 각각 2.18±0.03, 2.56±0.11, 3.08±0.18, 3.77±0.17, 4.70±0.45 그리고 5.59±0.40이었고, (67)Ga-citrate의 경우 2시간, 24시간, 48시간에 3.06±0.84, 4.12±0.54, 4.55±0.74이었다. 결론: Transferrin에 (99m)Tc을 이용한 방사성표지가 성공적으로 이루어졌고, (99m)Tc-transferrin의 표지효율은 8시간까지 95%이상의 안정된 방사성표지효율을 보였다. (99m)Tc-transferrin을 이용한 감염영상을 성공적으로 얻을 수 있었으며, (67)Ga-citrate 영상과 비교하여 더 빠른 시간 안에 우수한 영상을 얻을 수 있었다. 그러므로 (99m)Tc-transferrin이 감염 병소의 영상진단에 사용될 수 있을 것으로 기대된다. Purpose: Purpose of this study is to synthesize (99m)Tc-labeled transferrin for infection imaging and to compare it with (67)Ga-citrate for the detection of infectious foci. Materials and methods: Succinimidyl 6-hydrazino-nicotinate hydrochloride-chitosan-transferrin (Transferrin) was synthesized and radiolabeled with (99m)Tc. Labeling efficiencies of (99m)Tc-Transferrin were determined at 10 min, 30 min, 1 hr, 2 hr, 4 hr and 8 hr. Biodistribution and imaging studies with (99m)Tc-Transferrin and 67Ga-citrate were performed in a rat abscess model induced with approximately 2×10(8) colony forming unit of Staphylococcus aureus ATCC 25923. Results: Successful synthesis of Transferrin was confirmed by mass spectrometry. Labeling efficiency of (99m)Tc-Transferrin was 96.2±0.7%, 96.4±0.5%, 96.6±1.0%, 96.9±0.5%, 97.0±0.7% and 95.5±0.7% at 10 min, 30 min, 1 hr, 2 hr, 4 hr and 8 hr, respectively. The injected dose per tissue gram of (99m)Tc-Transferrin was 0.18±0.01 and 0.18±0.01 in the lesion and 0.05±0.01 and 0.04±0.01 in the normal muscle, and lesion-to-normal muscle uptake ratio was 3.7±0.6 and 4.7±0.4 at 30 min and 3 hr, respectively. On image, lesion-to-background ratio of (99m)Tc-Transferrin was 2.18±0.03, 2.56±0.11, 3.08±0.18, 3.77±0.17, 4.70±0.45 and 5.59±0.40 at 10 min, 30 min, 1 hr, 2 hr, 4 hr and 10 hr and those of (67)Ga-citrate was 3.06±0.84, 4.12±0.54 and 4.55±0.74 at 2 hr, 24 hr and 48 hr, respectively. Conclusion: Transferrin is successfully labeled with (99m)Tc, and its labeling efficiency was higher than 95% and stable for 8 hours. (99m)Tc-Transferrin scintigraphy showed higher image quality in shorter time compared to (67)Ga-citrate image. (99m)Tc-transferrin is supposed to be useful in the detection of the infectious foci. (Nucl Med Mol Imaging 2006;40(3):177-185)
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지속적 복막 투석 환자의 음낭부종 검사시 복막 신티그라피에 의해 발견된 양측성 서혜부 탈장
김성민(Sung Min Kim),범희승(Hee Seung Bom),송호천(Ho Chun Song),정환정(Hwan Jeong Jeong),김지열(Ji Yeul Kim),신종희(Jong Hee Shin) 대한핵의학회 2001 핵의학 분자영상 Vol.35 No.1
N/A A 47-year-old man with end-stage renal disease due to diabetic nephropathy underwent a peritoneal scintigraphy to evaluate the cause of recently developed scrotal swelling. Two liters of dialysate mixed with 111 MBq of Tc-99m sulfur colloid were administered into the peritoneal cavity via the dialysis catheter. Various anterior images of the abdomen and pelvis were obtained at 15 min, 2 hr and 4 hr after the tracer instillation. At 15 min, anterior images of the abdomen and pelvis demonstrated linear tracts of activity through both inguinal canals, which were more prominent in the right side (A). Images at 2 hr revealed a passage of the radioactive fluid into the right hemiscrotum. At the same time, there was a considerable accumulation of activity in the right inguinal canal (B). In the delayed image, there was a progressive accumulation of activity in the inguinal canals and a prominent passage of the tracer into the scrotum (C). Both abdominal and inguinal hernias are commonly associated with continuous ambulatory peritoneal dialysis (CAPD). Overall incidence of CAPD-induced hernia ranges from 2.7% to 25%.1) Inguinal hernias were frequently manifested as scrotal swelling. Leakages of dialysate fluid into the scrotum has been noted in CAPD patients with scrotal swelling, with or without clinical findings of inguinal hernia.1,2) In the present case, the right side had leakage from a clinical inguinal hernia and the left side, leakage from a subclinial inguinal hernia. A subclinical inguinal hernia was easily demonstrable with peritoneal scintigraphy. Peritoneal scintigraphy is extremely helpful in the evaluation of scrotal swelling in a patient on CAPD. (Korean J Nucl Med 2001;35:81-82)
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Tc-99m Infecton과 Ciprofloxacin의 생체외 항균력 비교
김성민(Sung Min Kim),범희승(Hee Seung Bom),송호천(Ho Chun Song),정환정(Hwan Jeong Jeong),김지열(Ji Yeul Kim),신종희(Jong Hee Shin) 대한핵의학회 2001 핵의학 분자영상 Vol.35 No.1
N/A Purpose: There was little evidence that Tc-99m labeled ciprofloxacin (Infecton) located inside of bacteria. Antimicrobial activity of Infecton could be an indirect evidence of its location. We compared in vitro antimicrobial activities of Infecton and ciprofloxacin. Materials and methods: Minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) of Infecton and ciprofloxacin against three standard strains of bacteria, Staphylococcus aureus ATCC 29213, Escherichia coli ATCC 25922 and Pseudomonas aeruginosa ATCC 27853 were measured using modified broth macrodilution techniques and pour plate methods, respectively. Data were expressed as mean±SE (range). Results: MICs of Infecton and ciprofloxacin were 1.12±0.20 (0.8∼1.6) ㎍/㎖ and 0.36±0.04 (0.2∼0.4) ㎍/㎖ for S. aureus, 0.03±0.005 (0.025∼0.05) ㎍/㎖ and 0.011±0.001 (0.006∼0.012) ㎍/㎖ for E. coli, and 0.96±0.16 (0.8∼1.6) ㎍/㎖ and 0.56±0.098 (0.4∼0.8) ㎍/㎖ for P. aeruginosa, respectively. MBCs of Infecton and ciprofloxacin were 2.56±0.39 (1.6∼3.2) ㎍/㎖ and 0.88±0.2 (0.4∼1.6) ㎍/㎖ for S. aureus, 0.04±0.06 (0.025∼0.05) ㎍/㎖ and 0.02±0.01 (0.025∼0.05) ㎍/㎖ for E. coli, and 2.24±0.39 (1.6∼3.2) ㎍/㎖ and 1.44±0.16 (0.8∼1.6) ㎍/㎖ for P. aeruginosa, respectively. Conclusion: Although both MICs and MBCs of Infecton were higher than those of ciprofloxacin, all three standard bacterial strains were sensitive to Infecton. It could be an indirect evidence that Tc-99m Infecton be a specific imaging agent for bacterial infection. (Korean J Nucl Med 2001;35:75-80)
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