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WWW에서 칼라특징을 이용한 내용기반 화상검색 시스템의 설계 및 구현
최현섭,최기호,Choi, Hyun-Sub,Choi, Ki-Ho 한국정보처리학회 1997 정보처리학회논문지 Vol.4 No.9
In this paper, we implement a content based image retrieval system for image searching by visual features from the image databases on WWW (world wide web). The image retrieval system finds the images that contain the most similar color regions after the system automatically extracts color features from the input image. We can select one of two query methods which use a full image of $4{\times}4$ 16 sketched color region. The image similarity is calculated on the histogram intersection distance and the histogram Euclidean distance. As the experimental results show that the two different query types provide the precision/recall 0.84/0.92 and 0.85/0.93 respectively, this retrieval system has been able to obtain high performance and validity.
텍스쳐패턴과 윤곽점 기울기 성분을 이용한 내용기반 화상 검색시스템의 설계 및 구현
최현섭(Choi Hyun Sub),김철원(Kim Cheol Won),김성동(Kim Seong Dong),최기호(Choi Ki Ho) 한국정보처리학회 1997 정보처리학회논문지 Vol.4 No.1
Effcient retrieval of image data is an important research issue in multimedia database. This paper proposes a new approach to a content-based image retrieval which allows queries to be composed of the local texture patterns and the slope components of contour points. The texture patterns extracted from the source image using the graylevel co-occurence matrix and the slope components of contour points extracted from the binary image are converted into a internal feature representation of reduced dimensionality which preserves the perceptual similarity and those features can be used in creating efficient indexing structures for a content-based image retrieval. Experimental results of the image retrieval are presented to illustrate the usefulness of this approach that demonstrates the percision 82%, the recall 87% and the average rank 3.3 content-based image data retrieval.
WWW에서 칼라특징을 이용한 내용기반 화상검색 시스템이 설계 및 구현
최현섭(Choi Hyun Sub),최기호(Choi Ki Ho) 한국정보처리학회 1997 정보처리학회논문지 Vol.4 No.9
http://www.eiric.or.kr/literature/ser_view.php?SnxGubun=INKO&mode=total&searchCate=literature&gu=INKO001A1&cmd=qryview&SnxIndxNum=34764&rownum=&totalCnt=1&rownum=1&q1_t=7Lm865287Yq57KeV7J2EIOydtOyaqe2VnCDrgrTsmqnquLDrsJg=&listUrl=L3NlYXJjaC9yZXN1bHQucGhwP1NueEd1YnVuPUlOS08mbW9kZT10b3RhbCZzZWFyY2hDYXRlPWxpdGVyYXR1cmUmcTE9JUM0JUFFJUI2JUYzJUM2JUFGJUMyJUExJUMwJUJCKyVDMCVDQyVCRiVFQiVDNyVEMSslQjMlQkIlQkYlRUIlQjElRTIlQjklREQmeD0wJnk9MA==&q1=%C4%AE%B6%F3%C6%AF%C2%A1%C0%BB+%C0%CC%BF%EB%C7%D1+%B3%BB%BF%EB%B1%E2%B9%DD
키워드 매핑과 칼라 특징을 이요한 내용기반 화상 검색 시스템의 구현
최기호(Choi Ki Ho),최현섭(Choi Hyun Sub) 한국정보처리학회 1998 정보처리학회논문지 Vol.5 No.10
In this paper, we propose and implement a new method of content-based image retrieval using the color features which are mapped from color position-description keywords and color keywords. Color keywords are defined by color segment primitives using color spatial information. Position-description keywords are defined by position segment primitives using color regional information. Each color keyword primitive is mapped into the color features of images, and after it is compared with the color features of 6x6 blocks of reference images in feature database, candidates are retrieved in accordance with the similarity order. The retrieval accuracy was evaluated through retrieval experiments about 3,800 images. The experimental results of the image retrieval are presented to illustrate the usefulness of this approach that demonstrates the average recall/precision, 0.72/0.80 in content-based image data retrieval.
ebXML 표준 적합성 및 상호운용성 테스트 도구의 설계 및 구현
임철수,박병섭,최현섭,Lim, Cheol-Su,Park, Byeong-Sub,Choi, Hyun-Sub 한국정보처리학회 2004 정보처리학회논문지D Vol.11 No.6
전자상거래 분야의 국제 표준규격이라 할 수 있는 ebXML은 현재 국내에서 개발된 전자상거래 솔루션들이 국제환경에 적합한 호환성을 제공하는지 여부에 대한 ebXML 솔루션들의 시험 및 인증이 필요한 상황이다. 본 논문에서는 ebXML Message Service v2.0, ebXML Registry Service v2.0과 ebXML CPP/A v2.0 표준 규격을 준수하는 ebXML 적합성 및 상호운용성 테스트 도구를 설계하고 구현하였다. 이에 따라, 본 논문에서 개발한 ebXML 적합성 및 상호운용성 테스트 도구를 통해 국제표준에 맞는 ebXML 전자상거래 솔루션에 대한 검증 및 인증 서비스기반 구축이 가능하다. As of an international standard in e-business domains, ebXML solutions are required to be tested and authenticated whether they can satisfy the conformance and interoperability requirements. In this paper, we design and implement the ebXML conformance and interoperability testing tools that observe the standard specification in conformity with ebXML Message Service v2.0, ebXML Registry Service v2.0 and ebXML CPP/A Y2.0. With this regard, our research would serve in building the verification and authentication service infrastructure for fitting standard ebXML e-business solutions with ebXML conformance and interoperability testing tools.