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이병권 국제차세대융합기술학회 2022 차세대융합기술학회논문지 Vol.6 No.3
The restoration of cultural properties depends on the data and the skills of experts and IT skills. However, there are times when new cultural assets are unearthed and restoration takes too long. And there is a possibility that the result may be different from what was expected. Therefore, we want to quickly restore cultural properties using artificial intelligence. There are two ways to restore cultural assets: a 2D deep learning method and a 3D deep learning method. 3D deep learning has a variety of ways to represent 3D data. Cultural properties restoration may vary in complexity, accuracy, and restoration time depending on input data. Therefore, the selection of the 3D data expression method and the selection of the deep learning algorithm are important. Recently, 2D data (image) restoration using GAN algorithm is being studied, and 3D restoration research is also being conducted through GAN algorithm. In this paper, 3D GAN was selected for the restoration of cultural properties. And it showed excellent performance in 2D GAN. The 3D GAN algorithm restored cultural properties by selecting the RASGAN algorithm using voxels and semantics. 문화재 복원은 자료와 전문가의 기술 및 고 기록물 자료에 의존해 복구한다. 하지만 새로운 문화재 자료 가 출토되거나, 잘못된 정보로 복원에 오류가 발생하면 다시 복원하는 데 오랜 시간이 걸린다. 본 연구에서는 인 공지능을 이용해 문화재를 복원하는 방법을 연구했다. 문화재를 복원하는 방법으로 기본에 2D 이미지 기반의 복 원 벗어나 문화재 특성상 3D형태의 복원이 적합하다는 판단으로 연구를 진행했다. 문화재 중 석탑을 기준으로 3D 데이터로 변환한 후 학습을 진행하고 복원정도를 확인했다. 제안된 문화재 복원은 데이터의 형태에 따라 2D형태 와 다르게 복잡도, 정확도, 복원 시간이 달라질 수 있다. 본 연구에서는 문화재 데이터를 3D 데이터 표현방법(3D Modeling)을 선정했고 RaSGAN 알고리즘을 수정해 진행했다. 최근에는 대부분의 복원 연구가 2D 형태의 GAN 알고리즘을 이용한 2D데이터(이미지) 복원 관련 연구되고 있지만 3D형태의 알고리즘은 없는 상태이다. 본 연구에 서는 문화재 복원을 위해 3D GAN인 개선된 복셀( V ox el) 방식의 RaSGAN 통하여 학습을 진행하고 복원 가능성 확인했다.
호텔 재고자산의 재고관리에 관한 연구 : Over Stock과 Slow Moving 중심으로
이병권 한국관광산업학회 1988 Tourism Research Vol.2 No.1
Stock management refers to the scientific management technique which carries out the effective maintenance of proper level of stock. That is to say that the basic tusk of stock management is to adjust itself to demand through keeping minimum level of stock. To maintain proper level of stock, it needs to set up proper level of stock. Keeping the proper level of stock on the basis of forecasting future demand indicates the insured amount of materials which can he supplied at any time when there is a demand of consumer. To maintain the proper level of stock, it is ideal to be realized at the balanced point between the curve of principle of supply and the curve of principle of demand. Bat there are many cases, as there are many factors of limitation in reality, when it could be realized at the unbalanced point than at the balanced point for maintaining the proper level of stock, Therefore, when deciding proper level of stock,, we must consider all kinds of limited factors and choose the best which could be offered at that time. To make effective management of assets in stock, a concerned party of DEPT of storage and DEPT of Business must have a through understanding of stock management which deals with purchase request, purchase, Receiving, Store, and consumer. Here are several situations of over stock and slow moving items over-purchase without precise plan, no consumption after ordering as a result of wrong forecast of consumption. By deciding partial delivery by themselves without consultation with hotels, K.N.T.C. could bring about a business failure for hotels by not delivering imported alcoholic beverages in. adequate time which meets hotels demand, K.T.H.S.C. for Tourist Hotels also gives hard time for hotels to do stock management of foodstuffs by not delivering foodstuffs in due time which meets the demand of consumers. To solve above problems, Korea must not only liberalize import but also lower the customs of imported but also lower the customs of imported alcoholic beverages. Then we can show the important tasks of Department of Storage and Department of Business as; to make exact order on the basis of exact calculation of quantity of monthly consumption, to promote substitution for similar items, to map out consumption plan of surplus stacks items and slow moving items after consultation with person who is in charge of Department of business at any time, and to devise new items to replace slow moving items. Finally, we can draw the conclusion for advantages of stock management as following: By maintaining proper stock through decreasing surplus stock items and slow moving items, stock management could help hotel to change the stagrant capital into working capital for the purpose of increasing company profit. By lessening storage cost which occurs as a result of retaining stocks, stock management could contribute to hotels profit/cost management.
A Construction of Herglotz Spaces
이병권,양미혜 한국수학교육학회 2004 純粹 및 應用數學 Vol.11 No.3
Let W(z) be a power series with operator coe±cients such that multi- plication by W(z) is contractive in ext C(z). The overlapping space E(W) of D(W) in C(z) is a Herglotz space with Herglotz function '(z) which satis¯es '(z) + '¤(z¡1) = 2[1 ¡W¤(z¡1)W(z)]: