Download LYU0002 Wireless Cyber Campus

LYU0002
Wireless Cyber Campus
Supervisor: Prof. LYU, Rung Tsong
Michael
Marker: Prof. CAI, Leizhen
Students:
Jang Kim Fung, Harvest
Tang Ho Man, Sunny
Presentation Outline
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Introduction
Implementation
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Cyber Campus – Server
Cyber Campus – Client
Challenges
Extensions
Conclusion
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Q & A Section
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Introduction: Cyber Campus
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What is Cyber Campus?
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Virtual environment using Internet &
Multimedia Technology to simulate a
campus environment
Effective communication
Lessons through Internet
Own pace of learning
Introduction: Objective
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Project Objective
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Chatting
Video conferencing
Video Capturing
Live-video streaming
File server
Implementation
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Java Networking
Java Media Framework (JMF)
Java Foundation Class (JFC)
ActiveX
Implementation: Networking
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Java Networking
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Provides the classes for implementing
network application in Java
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Communication between the client and server
Implement file server
Implementation: Video
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Java Media Framework (JMF)
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Incorporate time based media
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Implement video playback, capturing
Supports Real-Time Protocol (RTP) to
send and receive media stream
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Implement video streaming, video
conferencing
Implementation: UI
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Java Foundation Class (JFC)
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Swing Components
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Nice looking GUI
Portable in different platform
Implementation: ActiveX
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ActiveX
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Software component shared between
applications
J-Integra
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A tool to invoke ActiveX in Java
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Generate Java proxy from ActiveX library
Access ActiveX Components as pure Java
objects
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Implement Acrobat Reader, Calendar
Server: Introduction
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Introduction
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Central control of the whole system
Monitor server system’s status
Monitor client’s activity
Broadcast message to all the clients
Forward the unicast message to
destination client
Server: User Interface
System Status
Client list
System Log
Server: Menu
Server: Service
Client: Introduction (1)
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For instructors and students to use
Features
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Chatting
File Sharing
Acrobat Reader
Calendar
Client: Introduction (2)
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Video Features
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Video Preview/Capturing
Video Playback
Live Lecture
Video-Conferencing
Video-On-Demand Service
Client: User Interface
Tool Bar
Client list
Main Window
Client: Chatting
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Chatting
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Provides a means for students to chat
just like ICQ
Client: File Sharing (1)
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File Sharing
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Instructor can upload the course
materials
Students can download the required
materials
Client: File Sharing (2)
Client: Acrobat Reader
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PDF File Reader
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Lecture notes and reference materials are
usually stored as PDF format
Help students opening the notes to revise
Open the downloaded material
automatically
Client: Calendar
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Calendar
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Used to help student to check for
date in a Month.
Client: Video Capturing (1)
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Video Preview
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Provides a way for instructor to set
the web camera up before the live
lecture starts
Video Capturing
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Instructor can capture the lecture
for student reference later
Client: Video Capturing (2)
Client: Video Playback
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Video playback
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Support playback of video in AVI and
MPEG-I format
Support seeking
Client: Live Lecture
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Live Lecture
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Broadcast the lecture in real-time
Can use live-captured or recorded
video for the live lecture
Client: Video Conference (1)
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Video Conference
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Provide closer interaction
User-friendly interface
Client: Video Conference (2)
Client: Video-On-Demand (1)
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Video-On-Demand (VOD)
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Store all the lecture for user to view
Video are shown in the VOD
Both users can view the listed video
by streaming
Only instructor can upload the video
Client: Video-On-Demand (2)
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Video-On-Demand feature
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Filtering by course code
Filtering by file type
Sorting
Challenges: Filters
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DirectShow Filters
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Difficult to implement filters for
streaming purpose
Three Solutions
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Microsoft’s Media Player plug-in
Microsoft’s NetMeeting SDK
Java JMF
Challenges: Rewrite System
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Rewrite System
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Learn Java in short period of time
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Java Networking
Java JMF
Java Swing
Extensions: White Board
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White Board
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Drawing to express idea during teaching
Enhance efficiency of teaching
More understanding on topics
Extensions: On-Line-Quiz
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On-Line-Quiz
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Test understanding of students
Place quiz on system
Program to help marking
Extensions: Global University
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Global University
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Universities co-operate together
Exchange academic resources
Study courses from any Universities
Conclusion
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System for future education
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Communication
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Chatting
Video conferencing
New style of learning
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Live-Lecture through Internet
Self-scheduled learning
Q & A Section