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조한근,위광재,최윤수,이상진,Cho, Han-Kun,Wie, Gwang-Jae,Choi, Yun-Soo,Lee, Sang-Jin 한국공간정보학회 2011 한국공간정보학회지 Vol.19 No.1
라인빙식의 항공디지털 카메라인 ADS 80의 후방(backward)영상으로 정사영성을 제작하고 건물의 기복 변위와 폐색영역을 보정 후, True Ortho Photo을 제작하였다. 또한 제작된 정사영상과 True Ortho-Photo을 검증을 위해 지상검사점, 사진기준점을 이용하여 평면 위치정확도 평가 및 분석한 결과, 프레임방식과 비교하여 상대적으로 소량의 지상기준점을 이용하여 고품질의 정사영상을 제작할 수 있었다. 또한 라인 방식 카메라의 True Ortho Photo 제작 시, 종중복도가 100%이므로 폐색영역 보정시에 효과적임을 검증 할 수 있었다. We produced true ortho images after interpolating occlusion areas and relief displacement of building as well as producing ortho-images to use backward image of ADS which is a aerial digital camera of line type. Also, I was able to produce high quality ortho-images using a small mount of Ground Control Points(GCP) relatively to compare to frame type camera from the evaluation of horizontal position accuracy using ground check points, photo control points for the verification of ortho-images and true-ortho images. Also, I was able to verify the effectiveness in interpolating occlusion areas cause the length overlap was 100% when producing true-ortho images of line type camera.
조한근,권양,조상구,Cho, H.K.,Kwon, Y.,Cho, S.K. 한국가금학회 1995 韓國家禽學會誌 Vol.22 No.4
A computer vision system was built to generate images of a single, stationary egg. This system includes a CGD camera, a frame grabber, and incandescent back lighting system. Image processing algorithms were developed to inspect egg shell and to sort eggs. Those values of both gray level and area of dark spots in the egg image were used as criteria to detect holes in egg and those values of both area and roundness of dark spots in the egg image were used to detect cracks in egg. For a sample of 300 eggs, this system was able to correctly analyze an egg for the presence of a defect 97.5% of the time. The weights of eggs were found to be linear to both the projected area and the perimeter of eggs viewed from above. Those two values were used as criteria to sort eggs. The coefficients of determination(r$^2$) for the regression equations between weights and those two values were 0.967 and 0.972 in the two sets of experiment. Accuracies in grading were found to be 95.6% and 96.7% as compared with results from sizing by electronic weight scale.
욥기에 나타난 토지 독점에 따른 경제 정의의 공공성 파괴 원인 연구 - 욥기 24:1-12을 중심으로 -
조한근(Han-Geun Cho) 한국구약학회 2020 구약논단 Vol.26 No.1
The purpose of this study is to examine the causes of the destruction of public interest in economic justice through the land monopoly shown in Job 24. Job 24 describes the social dysfunctions that resulted from the man of powers taking over the land of the poor against the backdrop of agrarian society. The underlying cause is that changes in land ownership have destroyed the public interest of economic justice by the monopoly of wealth by a small number of powers. In other words, land ownership was overly monopolized by some powers, and the economic structure of Judah, which was an agricultural society, was dominated by special classes. In the end, the land monopoly was responsible for disrupting the economic order of the society of ancient Judah and deepening inequality. Thus Job 24 describes in detail the consequences of economic inequality caused by the land monopoly. In particular, Job 24 describes the process and the consequences of the ruthless extortion of land and its attached assets by those in power to maintain the monopolistic status of wealth. This was an economically unequal social change. This meant the collapse of the traditional land system, which became a cause to undermine social publicity by breaking the sense of economic equality and bringing about the partiality of wealth. This economic environment forced the poor to be out of the society, to lose their place in life, and to become wanderers or serfs ( Job 24: 4, 10, 11). The reason why those in power were able to monopolize the land was because the judicial function did not work properly. The judicial malfunction increased the poorest by enabling excessive mortgage-setting and then easy seizure of the possessions of the poor who were subjugated to the land. In other words, the function of the trial rather impaired economic fairness, creating a corrupt court and providing those in power with justification for the recovery of their bonds at random regardless of their purpose and scope. Therefore, Job 24 displays the contents that the problems of individual suffering generated because of social publicity’s being destroyed by inequality due to the lack of economic justice. So I looked at how the monopoly of land destroyed the public interest and disrupted the economic order in Job 24.