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박중호,김정우,최재혁,박선우,김성환 서울시립대학교 산업기술연구소 1999 산업기술연구소논문집 Vol.7 No.-
In this paper, the SEM (scanning electron microscope) image processing system using PC (personal computer) is designed, so it is low cost and easy to use. We designed the deflection signal generator, the image grabber board and the interface board. The implemented SEM image processing system has ten zoom levels from 200 times to 200,000 times and three scanning speeds (1/30 sec, 1 sec, 6 sec). And a new algorithm for the SEM image interpolation is proposed. By using wavelet transform to find the edge regions and using the adaptive interpolation algorithm, high quality edge preserving image interpolation is achieved. The enlarged images, which are produced from this method, are shown to be aesthetically superior to images enlarged by the standard methods of linear and cubic B-spline interpolation.
박중호,이치우,신영민,안지현,반종석,이지향 대한마취통증의학회 2015 Korean Journal of Anesthesiology Vol.68 No.2
Background: Opioids are widely used in boluses and patient-controlled analgesia (PCA) for postoperative pain control. In this study, we compared the effects of oxycodone and fentanyl on postoperative pain in patients with intravenouspatient-controlled analgesia (IV-PCA) after laparoscopic gynecological surgery. Methods: Seventy-four patients undergoing elective total laparoscopic hysterectomy or laparoscopic myomectomy wererandomly assigned to the administration of either fentanyl or oxycodone using IV-PCA (potency ratio 1 : 60). The cumulativedose administered in the patient-controlled mode during the initial 48 hours after the operation was measured. Patients were also assessed for postoperative pain severity, adverse effects, and patient satisfaction. Results: No significant differences were observed in patient satisfaction with the analgesia during the postoperative period. Patients in the oxycodone group experienced significantly more dizziness compared to the fentanyl group. Patientsin the oxycodone group showed significantly lower consumption of opioid in the patient-controlled mode (10.1 ± 8.5 mlvs. 16.6 ± 12.0 ml, P = 0.013). Conclusions: Our data suggest that oxycodone and fentanyl demonstrated similar effects, and therefore oxycodone maybe a good alternative to fentanyl in postoperative pain management. Further studies in various clinical settings will beneeded to determine the adequate potency ratio.
Myofascial pain syndrome of gluteus minimus mimicking lumbar radiculitis -A case report-
박중호,심광석,신영민,이치우,이상곤,김은주 대한마취통증의학회 2015 Anesthesia and pain medicine Vol.10 No.1
Myofascial pain syndrome (MPS) can be characterized by paincaused by trigger points (TrPs) and fascial constrictions. Patientswith MPS of the gluteus minimus muscles often complain ofsymptoms such as hip pain, especially when standing up after sittingor lying on the affected side, limping, and pain radiating down tothe lower extremities. A 24-year-old female patient presenting withmotor and sensory impairments of both lower extremities wasreferred to our pain clinic after initially being diagnosed with lumbarradiculitis. Under the impression of MPS of the gluteus minimusmuscles following through evaluation and physical examination ofthe patient, we performed trigger point injections under ultrasonographyguidance on the myofascial TrPs. Dramatic improvement of thepatient’s symptoms was observed following this treatment, and shewas discharged without any further remaining symptoms.
준고령자의 직업능력개발훈련 실태 및 욕구특성에 관한 연구 - 직업군인 전역자를 중심으로-
박중호,변상해,Park, Joong-Ho,Byun, Sang-Hae 한국벤처창업학회 2012 벤처창업연구 Vol.7 No.1
This study empirically analyzed how technological innovation performance of venture business is affected by utilization of external resources, especially utilization of external cooperative network, government's policy funds and venture capital funds, using '2008 Venture Business Investigation'. This study further analyzed how the effect of utilization of external resources on technological innovation performance varies according to growth stage. Analysis results show that all variables related to utilization of external resources, i.e. external cooperative network, government's policy funds and venture capital funds, were observed as affecting positively to technological innovation performance. However, adjustment effect was not observed as statistically meaningful according to growth stage of venture business. Further analysis just observed that the effect on technological innovation performance at each growth stage varies according to type of utilization of external resources. 본 연구는 준고령자의 직업능력을 향상시키기 위하여 추진하고 있는 준고령자들의 기존 직업능력개발훈련 실태와 효과를 분석하고, 직업능력개발욕구를 조사하여 사회복지 영역에서 적용 가능한 시사점과 활성화 방안을 제시하고자 하였다. 직업능력개발훈련 실태를 분석한 결과를 요약하면 준고령자의 56.5%가 직업능력개발훈련을 받은 경험이 있고, 훈련을 받는 이유로는 여가선용이 주된 이유였다. 훈련을 제공받는 곳은 인정훈련기관이 많았고, 훈련내용으로는 실무 기능습득교육이 주를 이루었으며, 직업능력개발훈련과 관련하여 대부분이 전혀 비용을 부담하지 않았다. 85.2%가 훈련에 관한 정보를 주변 사람 등 제한된 경로를 통해 얻고 있으며, 훈련 후 취업지도가 매우 미흡한 것으로 나타났다. 욕구를 분석한 결과 대부분은 직업능력개발훈련을 매우 필요로 하고 있으며, 직업능력개발훈련이 필요한 가장 근본적인 이유로는 직업능력 향상이 가장 많았다. 이에 정책 대안으로는 준고령자 직업능력개발을 위한 법제도 개선이 필요하고, 준고령자 직업훈련원의 설립하는 등 연구기관의 설립, 훈련실시기관의 담당자와 정책담당자 등의 전문 인력 양성, 훈련 대상자별 특성에 맞는 적절한 프로그램개발 및 운영, 홍보강화 및 참여촉진, 직업능력개발훈련을 실시한 후에는 훈련수료자들이 전원 취업할 수 있도록 철저한 사후관리 및 재교육이 필요하다.