========================== Seminar on =================================
Digital Media Revolution: Historical Review and Perspectives
郭宗杰教授
C.-C. Jay Kuo
Department of Electrical Engineering
University of Southern California
Time: 五月十一日(二) 下午3:30-5:00
Place: 電機二館 142會議室
-- Ph.D. EE and CS, MIT, 1987. E.E. EE and CS MIT, 198
M.S. EE and CS, MIT, 1985. B.S. EE NTU, 1980.
-- Fellow of IEEE , Fellow of SPIE
-- Research Interests:
Data Compression and Communication
Multimedia Database Management
Wavelets and Multiresolution Signal Processing Technology
<Abstract>
After the introduction of digital computers, digital signal processing t
s have been widely applied to speech, audio, video and graphics in various comme
rcial applications. Digital media offers great advantages over the traditional a
nalog media in two folds: the high-resolution format for signal representation a
nd the great freedom in signal manipulation (e.g. compression). Speech was first
digitized for transmission via multi-rate filter banks in late 60's, which prov
ed to be one of the very early applications of digital signal processing. Then,
image was digitized for flexible manipulation such as edge detection and texture
segmentation in 70's. In 90's, digital audio and video has become more accessib
le to end users in form of consumer electronics such as audio CD and DVD. For th
e last several years, we have seen that the digital still camera (DSC) is replac
ing the traditional optical-based camera while the digital 2G and 2.5G cellular
phones have already replaced the analog 1G cellular phones. In the near future,
we will see the last revolution from a consumer analog product to its digital co
unterpart, which is the conversion from analog to digital TV. This talk will pro
vide an exciting history of digital media revolution. Then, future business oppo
rtunities and engineering directions for digital media integration, distribution
and management will be presented.
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