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계층 상태공간 축약방법에 기반한 효율적인 상호운용성 시험 방법론
최영한(Choe Young Han),진병문(Chin Byoung Moon),이동익(Lee Dong IK),진성일(Jin Seong II) 한국정보처리학회 1998 정보처리학회논문지 Vol.5 No.8
Interoperability(IOP) is one of the major goal of Information Technology and Telecommunication fields. In this paper, we discuss developing an interoperability testing(IOPT) method. As is easily guessed from conformance testing and formal verification, state space explosion problem is the most serious problem we encounter in deriving interoperability test method and its test suite. A new state space reduction method to support interoperability testing is suggested based on Petri nets. The proposed test method can be applied to 1 to many communication protocols as well as 1 to 1 communication protocols efficiently.
내용기반 질의 처리를 위한 동영상 질의처리기의 설계 및 구현
조은희(Cho Eun Hee),김용걸(Kim Yong Keol),이훈순(Lee Hun Soon),정영은(Jung Eun Yung),진성일(Jin Seong II) 한국정보처리학회 1999 정보처리학회논문지 Vol.6 No.3
As multimedia application services on high-speed information network have been rapidly developed, the need for the video information management system that provides and efficient way for users to retrieve video data is growing. In this paper, we propose a video data model that integrates free annotations, image features, and spatial-temporal features for the purpose of improving content-based retrieval of video data. The proposed video data model can act as a generic video data model for multimedia applications, and support free annotations, image features, spatial-temporal features, and structure information of video data within the same framework. We also propose the video query language for efficiently providing query specification to access video clips in the video data. It can formalize various kinds of queries based on the video contents. Finally we design and implement the query processing engine for efficient video data retrieval on the proposed metadata model and the proposed video query language.