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강진모 대한외과학회 2009 Annals of Surgical Treatment and Research(ASRT) Vol.77 No.6
Fasciotomy wounds are a major contributor to prolonged hospital stay and can lead to amputation. Although it is generally recommended to close the fasciotomy wound as early as possible, it is usually challenging. Primary closure is more favorable because it commences more functional and esthetic results with less morbidity. But primary closure is difficult to achieve due to skin edema, retraction and necrosis. Topical negative pressure care (TNP) has been used in other areas of wound care, such as mediastinitis and burn wounds. TNP has recently gained popularity and has shown promising outcomes. Topical negative pressure systems are commercially available but very expensive. We designed a modified negative pressure system with wall-suction and applied it to a com- plicated fasciotomy wound. We herein report our experience with a review of related literatures.
Symptomatic Renal Artery Aneurysm Dealt with Aneurysmectomy and Patch Closure
강진모,강웅철,최상태,이원석,김정호 대한혈관외과학회 2012 Vascular Specialist International Vol.28 No.1
Renal artery aneurysm (RAA) is a rare disease, and the precise incidence has not been very well known. It appears that with the increasing use of diagnostic ultrasound, computed tomography and arteriography, RAA are being identified more frequently than in the past. Rupture of RAA is associated with 10% mortality and the chance of nephrectomy is very high. Although, most of renal artery aneurysms are treated by endovascular technique, surgery is often necessary for aneurysms associated with bifurcation area or large braches. Here, we report a case of saccular renal artery aneurysm which was managed by open surgery.
강진모,정재현,이병호,박재형,Kang, Jin-Mo,Jung, Jae-Hyun,Lee, Byoung-Ho,Park, Jae-Hyeung 한국광학회 2009 한국광학회지 Vol.20 No.2
본 논문에서는 집적영상에서 깊이 추출을 할 때 영상 분할 방법을 이용하여 각각의 물체에 대해 삼각형 메쉬(mesh) 모델을 구성하는 방법을 제안하였다. 집적영상에서 렌즈 어레이와 카메라를 이용하여 실제 물체를 픽업하면 요소영상(Elemental image) 집합을 얻을 수 있다. 요소영상 집합은 3차원 물체의 정보를 가지고 있으므로 대응점 분석을 통해 깊이 추출을 할 수 있다. 우선, 각 요소영상 중심점의 대응점 분석을 통해 시차를 구하고 이를 이용하여 깊이를 구한다. 요소영상의 중심점에 해당하는 물체의 X, Y 공간좌표는 각 점들이 사각형 격자 형태를 이룬다. 이 격자 형태의 점들 중에서 가까운 점 3개를 연결하여 삼각형 메쉬를 만들면 물체의 삼각형 메쉬 모델을 구할 수 있다. 이 때 각 물체에 대해 삼각형 메쉬 모델을 구하기 위해서 요소영상의 중심점들로 구성된 가운데 방향별 영상을 영상 분할하고 각각의 분할된 영역에 대해서만 삼각형 메쉬 모델을 구성하였다. 영상 분할 방법은 normalized cut 방법을 이용하였다. 제안된 방법의 검증을 위해 실제 물체를 픽업하고 각 물체의 삼각형 메쉬 모델을 구성하였다. A novel method for the reconstruction of 3D shape and texture from elemental images has been proposed. Using this method, we can estimate a full 3D polygonal model of objects with seamless triangulation. But in the triangulation process, all the objects are stitched. This generates phantom surfaces that bridge depth discontinuities between different objects. To solve this problem we need to connect points only within a single object. We adopt a segmentation process to this end. The entire process of the proposed method is as follows. First, the central pixel of each elemental image is computed to extract spatial position of objects by correspondence analysis. Second, the object points of central pixels from neighboring elemental images are projected onto a specific elemental image. Then, the center sub-image is segmented and each object is labeled. We used the normalized cut algorithm for segmentation of the center sub-image. To enhance the speed of segmentation we applied the watershed algorithm before the normalized cut. Using the segmentation results, the subdivision process is applied to pixels only within the same objects. The refined grid is filtered with median and Gaussian filters to improve reconstruction quality. Finally, each vertex is connected and an object-based triangular mesh is formed. We conducted experiments using real objects and verified our proposed method.
인천지역 중소규모 사업장 생산직 근로자의 작업환경측정에 대한 인식
강진모,노영만,김정만,정춘화,피영규 한국산업위생학회 2002 한국산업보건학회지 Vol.12 No.1
This study was performed to identity of the workers' recognition about the environmental measurement of small and medium scale industry from September, 2001 to October, 2001 in lnchon area. The 277 workers in 38 companies were surveyed by checklist contented the recognition, experience, and confidence for work environment measurement and improvement. The definition and object for work environmental measurement were recognized 59.19% and 91.29 of workers, respectively. The 98.11% of workers insisted that the explanation meeting for the report of work environmental measurement should be performed. The 76.15% of workers thought the most hazardous agent in workplace are noise and dust. It is suggested that the result of work environmental measurement be provided to the workers for supplying information of the workplace and the regulation be revised to secure the right to know of workers.