• Proceedings of the Korea Multimedia Society Conference
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• 2003.11a
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• pp.457-460
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• 2003

RTS(Real Time Streaming Protocol) 프로토콜은 어플리케이션 레벨에서 실시간 데이터 전송의 세션과 제어를 표현한다. 하지만, RTSP는 오든 스트리밍 솔루션에 대한 내용을 포함하고 있어 그 내용이 포괄적이고. 회사별 자신의 응용과 환경에 맞게 RTSP 표준을 구현하고 있어 상호호환이 어렵다. 본 논문에서는 주문형 미디어 시스템에 필요한 기본 기능을 RTSP 표준을 이용하여 어떻게 구현해야 하는지에 대한 방법을 제시함으로써, RTSP 지원 업체간의 호환성을 유도한다.

• Journal of KIISE:Computing Practices and Letters
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• v.8 no.6
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• pp.619-629
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• 2002

This paper describes the implementation of a RTSP-based MPEG-4 streaming system. The implemented system consists of content authoring tool, streaming server and streaming client. The existing MPEG-4 multiplexer has been modified with improvement to generate a file format with which the server load and streaming delay are reduced. The streaming system uses RTSP, instead of DMIF, as its communication protocol. With RTSP, the server provides extensive control functionalities as in DMIF and its implementation effort is greatly simplified. The implemented system supports the user interactivity for both streaming and local file playback. The effectiveness of the proposed multiplexing scheme has been validated with the various experiments on the fully functional server.

• Proceedings of the Korea Multimedia Society Conference
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• 2002.11b
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• pp.767-770
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• 2002

본 논문에서는 RTSP 프로토콜을 제어하기 위한 서버 시스템을 IOCP 기반의 Multi-Thread 기법을 이용하여 구현하는 방법을 소개한다. 다수의 클라이언트에 대한 응답을 Thread로 구성하는 부분에서 Multi-Threading을 이용함으로써 수행 속도를 높이고 Winsock2에서 제공하는 IOCP(T/O Completion Port)를 이용하여 견고하고 확장이 용이한 RTSP(Real Time Streaming Protocol) 스트리밍 서버를 개발하였다.

• Proceedings of the Korean Information Science Society Conference
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• 2001.10c
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• pp.79-81
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• 2001

본 논문은 멀티미디어 스트리밍 환경에서 RTSP 표준화 프로토콜을 기반한 스트리밍 캐쉬 서버를 설계하고 구현한다. 또한 기존의 스트리밍 시스템과 호환성을 유지하기 위해 캐쉬 서버의 On-Demand 스트리밍 서비스를 지원하는 RTSP 세션 제어 기능의 응용과 절차에 대하여 기술한다.

• Journal of KIISE:Computing Practices and Letters
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• v.9 no.3
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• pp.254-265
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• 2003

This paper presents the design and implementation of stream control mechanisms which are necessary for the development of an efficient streaming cache server. The streaming protocols used in our implementation are the RTSP/RTP/RTCP standards. The mechanisms support both the on-demand media caching and real-time media splitting applications. The core of the stream control includes the session management, which handles the RTSP/RTCP control session and the RTP transport session, and the cache block management which efficiently manages the RTP-based cache blocks stored in the cache server. The streaming cache server with the proposed stream control mechanism has successfully been implemented on a Linux platform and it works well with the Apple's QTSS server and the QuickTime player for both on-demand and splitting media services.

• Journal of Industrial Technology
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• v.21 no.A
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• pp.129-134
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• 2001

Linux cluster Server makes a high performance PC cluster system, and provides scalablity and availability as compared with an expensive single server. In this paper, we design and implement a VOD streaming service system to serve video and audio streaming services on the Linux cluster server. Our Streaming server supports the MS Window Media Format based on the RTSP streaming protocol.

• The Journal of Korea Institute of Information, Electronics, and Communication Technology
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• v.11 no.1
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• pp.82-88
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• 2018

The conventional remote fire image monitoring system has insufficient ability to check the video information of the fire scene in real time, so it was difficult to grasp the actual situation in case of fire and cope with it rapidly. In this paper, we propose a design of real­time fire image monitoring system using new RTSP module, which is composed of a server with RTSP function and client for transmitting and receiving images using wi­fi from a camera attached to such a robot system. We implemented the proposed remote fire monitoring system capable of receiving live video transmitted from a camera and confirmed, by field test, that the fire video image was normally received.

• The Journal of Korean Institute of Communications and Information Sciences
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• v.31 no.3A
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• pp.274-281
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• 2006

Sensor network applications need synchronized time extremely such as object tracking, consistent state updates, duplicate detection, and temporal order delivery. This paper describes reliable time synchronization protocol (RTSP) for wireless sensor networks. In the proposed method, synchronization error is decreased by creating hierarchical tree with lower depth and reliability is improved by maintaining and updating information of candidate parent nodes. The RTSP reduces recovery time and communication overheads comparing to TPSN when there are topology changes owing to moving of nodes, running out of energy and physical crashes. Simulation results show that RTSP has about 20% better performance than TPSN in synchronization accuracy. And the number of message in the RTSP is $20%{\sim}60%$ lower than that in the TPSN when nodes are failed in the network. In case of different transmission range of nodes, the communication overhead in the RTSP is reduced up to 40% than that in the TPSN at the maximum.

• Journal of Korea Multimedia Society
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• v.18 no.8
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• pp.935-942
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• 2015

According to growing of the plant cultivation in a greenhouse environment, the demand of a system to control the greenhouse easier has increased. Currently, the methods to control by the mobile App represent the information in a greenhouse environment with a simple numerical data or compose only the contents with a limited degree of freedom. In order to solve these problems, this paper presents a system that can be viewed or controlled greenhouse conditions in near / remote distance using augmented reality and MQTT communication protocol, RTSP media streaming protocol. The proposed method is implemented in Android smartphone environment and acts monitoring the information (temperature, humidity, illuminance) obtained by greenhouse's sensors and transmits the real time greenhouse's video using RTSP in the remote distance, and controls the values of temperature, humidity, illuminance for the greenhouse using the augmented reality in the near distance.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2010.10a
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• pp.407-410
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• 2010

This paper is to implement a RTSP based streaming server in order to provide streaming service. When a client requests a stream from a server, transmission speed is measured on a regular basis through communications between the client and the server. Server will send different encoded movie clip streams based on measured transmission speeds. Different streams are sent to a server depending on the transmission speed and their locations are saved when streams are sent. Even though different streams are sent, the streams will be sent without any interruptions because they are sent from their original locations.