• Proceedings of the KSPS conference
• /
• 2006.11a
• /
• pp.120-123
• /
• 2006

The provision of personalized user interfaces for mobile devices is expected to be used for different devices with a wide variety of capabilities and interaction modalities. In this paper, we implemented a multimodal context-aware middleware incorporating XML-based languages such as XHTML, VoiceXML. SCXML uses parallel states to invoke both XHTML and VoiceXML contents as well as to gather composite multimodal inputs or synchronize inter-modalities through man-machine I/Os. We developed home networking service named "HomeN" based on our middleware framework. It demonstrates that users could maintain multimodal scenarios in a clear, concise and consistent manner under various user's interactions.

• MALSORI
• /
• no.60
• /
• pp.125-144
• /
• 2006

W3C announced a standard software architecture for multimodal context-aware middleware that emphasizes modularity and separates structure, contents, and presentation. We implemented a distributed multimodal interface system followed the W3C architecture, based on SCXML. SCXML uses parallel states to invoke both XHTML and VoiceXML contents as well as to gather composite or sequential multimodal inputs through man-machine interactions. We also hire Delivery Context Interface(DCI) module and an external service bundle enabling middleware to support context-awareness services for real world environments. The provision of personalized user interfaces for mobile devices is expected to be used for different devices with a wide variety of capabilities and interaction modalities. We demonstrated the implemented middleware could maintain multimodal scenarios in a clear, concise and consistent manner by some experiments.

• Proceedings of the Korea Information Processing Society Conference
• /
• 2012.04a
• /
• pp.618-621
• /
• 2012

본 논문에서는 스마트폰을 기반으로 로봇을 원격 제어하는 어플리케이션을 OPRoS를 활용한 개발 방법을 제안하고 스마트폰과 OPRoS기반의 로봇으로 구현한다. 컴포넌트 기반의 로봇용 미들웨어인 OPRoS를 활용하면 이미 개발 되었거나 공개된 컴포넌트를 활용하여 개발의 시간 및 비용을 절약할 수 있는 장점이 있다. 이미 검증된 모터, 음성, TCP/UDP, 카메라 컴포넌트를 재활용하였다. 또한 오프로스의 통합된 개발환경을 통해 개발 시간을 더욱 단축시켰다. 실제 구현에서는 Wi-Fi기반의 TCP, UDP 컴포넌트를 활용하여 로봇과 스마트폰간 송수신되는 데이터의 목적에 따른 적절한 통신 방식을 사용하였다. 또한 이미지 전송, 음악 재생, 메시지 전송, 음성 인식 등의 기능을 활용하여 구현된 시스템을 검증 하였다.

• Proceedings of the Korea Information Processing Society Conference
• /
• 2007.05a
• /
• pp.735-738
• /
• 2007

컴퓨팅 기술의 발전에 따라 유비쿼터스 시대로의 이행이 가속화되고 있다. 이에 따라 홈 네트워크 분야에 대한 연구와 상용화를 위한 노력이 활발해지고 있다. 이와 더불어 가전기기들의 종류는 다양해지고 복잡해지면서 사용자들의 가전기기 이용에 있어 사용법을 익혀야하는 어려움이 있다. 이러한 문제점을 해결하기 위한 일환으로 디지털 장치들을 편하게 사용하기 위한 멀티 모달 사용자 인터페이스가 요구되고 있다. 본 논문에서 네트워크 가전기기 제어가 가능한 홈 네트워크 미들웨어인 UPnP를 사용하여 VoiceXML을 통한 음성인식기반 사용자 인터페이스와 디지털 장치 제어 시스템을 제안하고 구현한 후 실험하였다.

• Journal of KIISE:Computing Practices and Letters
• /
• v.9 no.1
• /
• pp.100-108
• /
• 2003

By choosing Multicast for transmission of educational contents in the Remote Educational System, we can reduce the server load and increase network bandwidth utilization. We design and implement Multicast Middleware for the Remote Educational System in this paper. There are three characteristics in this Multicast Middleware: 1) Through Centralized Multicast Group Management for passive members, it allows a host to make multicast group, which is composed of receivers, called Group Member and who are chosen by the host, called group Maker. Because, all groups are created by the Group Maker in Centralized Group Management, Group Member's join action will be passive 2) Maintenance and recovery of multicast group information in order to restore from exception and crash; the maintenance and recovery mechanism of Group Maker is distinct from that of Group Member. 3) The mechanism which enables to transmit large size multimedia data through multicasting and remove additional copy operation through shared buffer. Fragmentation/de-fragmentation for large data delivery results in additional copy operation in user level. But by using user level shared buffer, it can be done without user Bevel copy operation. By applying to Remote Educational environment which consists of 30 PCs and Fast Ethernet, we can examine the efficiency of this middleware, which can transmit 18frames/sec movie which resolution 320 $\times$ 120 pixels, 128Kbps encoded sound data and some text data.

• Proceedings of the KSPS conference
• /
• 2007.05a
• /
• pp.41-44
• /
• 2007

In this paper, we introduce a system in which car navigation scenario is plugged multimodal interface based on multimodal middleware. In map-based system, the combination of speech and pen input/output modalities can offer users better expressive power. To be able to achieve multimodal task in car environments, we have chosen SCXML(State Chart XML), a multimodal authoring language of W3C standard, to control modality components as XHTML, VoiceXML and GPS. In Network Manager, GPS signals from navigation software are converted to EMMA meta language, sent to MultiModal Interaction Runtime Framework(MMI). Not only does MMI handles GPS signals and a user's multimodal I/Os but also it combines them with information of device, user preference and reasoned RDF to give the user intelligent or personalized services. The self-simulation test has shown that middleware accomplish a navigational multimodal task over multiple users in car environments.