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김상훈(Sang-hoon Kim),문석환(Moon suk hwan) 한국디지털콘텐츠학회 2015 한국디지털콘텐츠학회논문지 Vol.16 No.4
In this paper, we propose the method for creating a stable stereoscopic 3D contents with the production guidelines by removing the excessive depth value and scene changes for high quality. We have developed a three-dimensional depth analysis tool for detecting the scene changes out of the production guidelines and the depth value changes excessively. The Scenes detected by depth analysis tool can be modified at the post production and it helps to make a stable stereoscopic 3D contents.
고완기,문석환 제주한라대학 1997 論文集 Vol.21 No.-
This project satisfies several requests from users who want to use internet agent system with local information service model, and introduces new method which can analyze user's request and build an adaptable system. Because current web searching system has a general form, so that it can't regard for each person's various requests. This system can complement demerits which the users should check every unnecessary information and they can't gather and connect the consistent local information network system. Therefore, this project deals successfully with the general demerit of current web searching system for building of local information network system, performs electronic commerce or messaging with users perfectly. And this presents the example that builds the local total information management system which gives the very proper information to the users of local information system, and gives operation program of web-based local information management system that connects internet kiosk system for the internet network.
데이터베이스마케팅 정보시스템 설계 및 구현에 관한 연구
고완기,문석환 제주한라대학 1999 論文集 Vol.23 No.-
Database Marketing is a technique where you use all the information available within your companies databases as well as any useful external information to either improve or enhance your marketing efforts, or on the other hand evaluate new markets or the potential of new products, that you plan to launch. Database Marketing in itself is a very simple and straight-oriented concept. Database marketing offers your company many benefits. First, marketing funds are spent cost effectively because they are concentrated on your current customers and very best prospects. Second, your company can improve its relationship with customers thereby increasing customer loyalty. Third, a marketing database provides valuable information regarding customers and prospects. Now that we are in the Information Age, a great marketing database will increase the net value of your company.
임베디드 OS를 사용한 개선된 Network Attached Storage 개발
이성화,문석환 제주한라대학 2003 論文集 Vol.27 No.-
Generally. 90% of data saved in disks by current companies are sometimes the ones not being used at all. The sudden increase of data are led to the expansion of companies' storages especially the capacity of the discs. However, from the standpoint of the companies. they cannot expand the capacity of the disc recklessly. Therefore. instead of importing expensive foreign products. it is necessary to develop high quality products of cheap price so that the small and medium companies can also introduce without difficulty. The device suggested from this study is Network Attached Storage system. It is the same concept with the existing File Server. It has capability of keeping all the data, yet. it is different technology compared to the existing concept. T! his product's operative system was developed to be fit for the product that it is the best-suited product in its efficiency. And in order to lower the cost of the product. I have used ATP disc. And to enhance the credibility of the product. I have stablized the system by using RAID technology. Also in order to minimize down time. I have enabled the system to drive within 5 minutes. The technology suggested from this study can be applied to wherever the large capacity media storage and the network occurred same time is wanted such as education-related department and etc.
이성화,문석환 제주한라대학 2001 論文集 Vol.25 No.-
In this thesis, an advanced load balancing algorithm for distributed systems is presented. The distributed parallel processing has emerged as a key technology in modern computers for higher performance and lower costs. In ideal case, the performance of a distributed system will increase linearly with the number of processors. But actually, the performance curve is not ideal because of the saturation effect. In distributed systems, processors have different work loads for instance, some of the processors are idle while others are still working. This causes a degradation of the system performance. The load balancing is conducted by transferring some task from heavily loaded processors to lightly loaded processors. In this paper, an advanced load balancing algorithm in nth order Hypercube distributed system has been proposed. The new algorithm uses centralized load-balancing to avoid blocking phenomenon and processor thrashing, and shows the results which makes loads to approach average value of loads. The new algorithm is compared with several other algorithm and it shows a merit in cost function value.