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최덕규(Duk-Gyu Choi),조근재(Geunjae Cho),김세윤(Seyoon Kim),김지현(Ji-hyun Kim),김윤성(Yoon Sung Kim),최재원(Jaewon choi) 한국컴퓨터정보학회 2021 한국컴퓨터정보학회 학술발표논문집 Vol.29 No.2
현대사회의 산업 현장에서 기계가 사람들을 대체하면서 작업의 효율을 높이고 있다. 많은 산업 분야에서 사람들을 기계로 대체하고 있는데, 재해 및 사고 현장이나 위험 지역 조사 등에 대한 탐사 활동은 대부분 인력이 차지하고 있으며, 탐사 활동에 참여하는 많은 인력들은 2차, 3차 사고에 쉽게 노출되어 있으며, 그로 인한 인력소모가 심하다. 따라서 우리는 인력 투입 전 사고 및 재난 현장이나 위험 지역에 인력을 투입하기 전 피해를 최소화하면서 탐사 인력에 대한 안전이 보장된 근무 환경을 개선시키기 위해서 무인 탐사차량을 생각하게 되었다. 무인 탐사 차량에는 아두이노와 라즈베리파이를 메인으로 삼았고, 현장의 온도와 습도, 화재여부, 가스여부를 측정하기 위한 센서들은 아두이노에 연결하고, 카메라와 라이다센서의 경우 라즈베리파이에 연결을 하였다. 그리고 모든 데이터 값은 블루투스와 와이파이 모듈을 통해서 수신 받을 수 있게 프로그램을 구성하였다.
孫聖鎬,崔德圭 東亞大學校 1983 東亞論叢 Vol.20 No.2
The manual accounting data processing systems has the following disadvantages: 1. Lack of timeliness ot provide the accounting information 2. Lack of accuracyto generate the accounting information 3. Overburden of labor wages for accountants Therefore, the objective of this thesis is scheduled to improve the above weaknesses of the manual accounting data processing system, develop the programs for the company attempting to computerize the routinzed accounting works and computerize the accounting cycle through the Electronic Data Processing Systems. And it looks for the advanced accounting education system to be performed through the E.D.P.S. And this study classifies the process ranging from recording accounting transactions to preparing financial statements as follows: 1. Recording the journal slips 2. Recording the general ledger 3. Tabulating the trial balance 4. Preparing the financial statements (B/S, I/S) To computenze the above accounting cycle, I make the chart of accounts according to the output data-general ledger, trial balance and financial statements. The transaction files are structured to process and store accounting data efficiently plus maintained to retrieve them at any time. These procedures can be described as follows: According to the above procedures, in Chapter 2, charts of accounts of Balance Sheet and Income Statement are provided by Accounting Stadards. And it is produced through the line printer located in E.D.P. Department of Dong-A University. We have a general-purpose computer, IBM/370-J01. In Chapter 3, accounting cycle, accounting cycle steps and flowchart of accounting data processing systmes are figuredin datail. And business diary and journal slips of Seung Hak Company are written from January 1, 19XX to December 31, 19XX. Transaction data on journal slips are punched to the diskettes adn stored on disk. And that, 41 accounts and 2 trial balances are produced through the computer. After that, balance sheet and income statement programmed in PL/1 are generated through the computer. Although these documents can be written by man-machine assisted system, accounting cycle should be automated by accountants and E.D.P. employees. Therefore I suggest my opinions as follows: 1. Accountants make efforts to computerize accounting works. 2. Accountants have close relations with E.D.P. employees. 3. Accounting students complete coursework in basic computer programming. 4. Accounting students have knowledge of capabilites and limitations of electronic data processing systems.
최덕규 경운대학교 산업기술연구소 2001 産業技術硏究論文誌 Vol.3 No.2(A)
Recently, PC monitor users have been replacing cathode ray tubes (CRT) with liquid crystal displays (LCD). But the chromaticity of the primaries are dependent on RGB input signals. And the colorimetry of LCD changes with gray scale and has a poor performance in color reproduction. In this paper we propose the enhanced algorithm of color reproduction considering color leakage error and black subpixel error in LCD. In order to test performance of this algorithm we use the colors of Macbeth colorcheck. As a result of experiments, it was confirmed that the color difference of the LCD using the proposed algorithm was considerably reduced.