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권중장 경성대학교 공학기술연구소 2002 공학기술연구지 Vol.9 No.-
In this paper, a new method for extraction of facial region is proposed. The proposed method is decomposed into four main steps: 1) candidate region using HSI color information, 2) seperation of candidate region using color edge value, 3) combine candidate facial regions into a region, 4) facial region extraction using local edge information. By experimental result, we know that the proposed method is useful on the extraction of facial region for individual authentication.
권중장 경성대학교 공학기술연구소 1999 공학기술연구지 Vol.6 No.-
In this paper, introduce a new method about the management of the parking lot using an image processing technique. The algorithm is consist of 4 modules which are input module, output module, DB module and image processing module. In input module, the image of vehicle is obtained and saved in hard disk of computer. And, in image processing module, the input vehicle images are compressed and saved. In output module, confirm that the driver is owner of output vehicle. In DB module, the information of vehicle is handled according to the result of other modules. By experimental results, we know that the proposed method is an useful for the burglarproof of vehicles.
B-ISDN 프로토콜 내장의 멀티미디어통신용 IP-PBX 시스템의 구현 및 성능평가
권중장,Kwon, Jung-Jang 한국정보통신학회 2007 한국정보통신학회논문지 Vol.11 No.7
본 논문에서는 인터넷으로 연결된 컴퓨터를 이용하여 전화교환 및 멀티미디어통신이 가능하도록 하는 B-ISDN 기반의 IP-PBX 시스템의 구현에 관해 연구하였다. 기존 정보통신 교환시스템의 구조상의 문제점 개선을 위한 IP-PBX 시스템의 구조를 설계하고, 호제어를 위한 메세지와 자료구조의 정의와 상태천이를 설계하였고, 사용자간 통화를 위한 착발신 단말 간의 호제어와 사용자통신을 구현하였다. In this paper we researched on the implementation of the B-ISDN protocol embedded IP-PBX System with the computers interconnected by the Internet for the telephone exchange and multimedia communication. For the improvement on the structural problems of the previous PABX we designed the structure of the IP-PBX System, defined message and data structure for call control, designed call control state transition, and implemented call control message flows for user's communication.
온라인 강의에 적용을 위한 얼굴영상의 유사성에 관한 연구
권중장 경성대학교 공학기술연구소 2002 공학기술연구지 Vol.9 No.-
In this paper, we present a new measure ROAND(Relation of Area and Distance) as similarity between facial images on individual authentication for online lecture. ROAND is a function ROA_G(Relation of Global Area), ROA_E(Relation of Left Eye Area), ROA_E_L(Relation of right Eye Area) and ROD(Relation of Distance. By experimental results, know that the ROAND is more effective measure than the others.
차량 영상에서의 번호판 영역 추출 방법의 개선을 위한 color space 분석
권중장 慶星大學校 1997 論文集 Vol.18 No.2
In this paper, I analysis the statistical distribution of colors whcih are used in the regions of the number plate in vehicle image. If RGB space is used for a classification of the colors, 3 dimensional classifier is need. And complexity is increased. By experimental result, we know that HSI color space is more suitable than other color space(YIQ,YUV,RGB)
Implementation of an Automatic Observation System for Cloud Observations
권중장(Jung Jang Kwon) 한국컴퓨터정보학회 2016 韓國컴퓨터情報學會論文誌 Vol.21 No.2
In this paper, we propose an efficient automatic observation system for cloud amount and height observations. Observation system consists of clouds observations machinery, operational programs, cloud amount extraction program, cloud height extraction program, expert support programs. The experiment was conducted at the Daegwallyeong and Busan, through experimental observation confirmed the usefulness of the proposed system.