Introduction

• The need for MIR
  • Multimedia data are attractive and convey information more effectively
  • More and more information are presented in multimedia form
• Enabling technologies for MIR
  • advanced digital technologies and products
    • G4, JPEG, MPEG II
    • scanner, Hi 8, digital camera
    • multimedia mail, Video conferencing, software MPEG, internet phone
  • Powerful CPU
    • PC level: 50 ~ 100 MIPS, super computer: 1000,000 MIPS
    • support editors for image, audio, video
  • high speed and large volume of storage media
    • PC level: 1.3 GB HD, 650M optical disk
  • high speed and ubiquitous computer network :
    • 10M (Ethernet) ~ 100M (fiber optics) and recently 4M (telephone line)
    • fiber optics almost in every college

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