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1
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IEEE??????
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yasuda_at_mpeg.rcast.u-tokyo.ac.jp www.mpeg.rcast.u-t
okyo.ac.jp
2
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• MPEG????????

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3
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4
????????????(1??????)
1T
100G
100G
MPEG ?????
10G
270M
1G
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1G
100M
30M
10M
380K
1M
100k
10k
0
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1?(200?)
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5
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ATM?????
ATM????????(????????)
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N-ISDN64Kbps???????
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(32Kbps)
6
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1/30?
8
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(1)???????? (???)???
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9
????????(2)-1
1.5M CODEC
384K CODEC
64K CODEC
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X???? X1
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11
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??????????? ??????? ???????? ????
12
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?????????????
1
2
3
4
5
6
7
8
9
10
11
12
13
I
B
B
P
B
B
P
B
B
P
B
B
I
GOP??????????
13
H.263
14
???????????
90?
91?
92?
600Mb/s30Mb/s
HDTV??
????????
????????
32Mb/s45Mb/s
INS
6.3Mb/s 1.5Mb/s
MPEG
?????????
H.261
64Mb/s1.5Mb/s
??????????
????????
15
1982.9 - 1985.9 WG8 (Dr.Z.Muscati) 1985
.9 - 1986.11 WG8 (Dr.H.Yasuda) 1986.11
- 1988.5 WG8 (Dr.H.Yasuda)
16
JPEG??
ADCT
10
?
BSPC
?
?
?
ABAC
8
?
?????
?
6
?
?
?
4
2
?
?
?
0
0.08 0.25 0.75 2.25 bit/pixel
17
TAG (Technical Advisory Group )
( Chairperson Mr.Charles F. Touchton )
CGEG (Computer Graphics Coding Experts Group )
( Chairperson Mr. Bernard
Trocherie )
Working Group 8
JPEG ( Joint Photographic image coding Experts
Group ) ( Chairperson
Mr.Gregory K. Wallace )
Convenor
Dr.Hiroshi Yasuda
JBIG ( Joint Bi-level image coding Experts Group
) ( Chairperson Dr.Yasuhiro
Yamazaki --Dr.Horst Hampel )
MPEG ( Moving Picture image coding Experts Group
) ( Chairperson Dr.
Leonardo Chiariglione )
MPEGAUDIO( MPEG AUDIO coding experts group )
( Chairperson Dr.Hans G Musmann )
MPEGVIDEO ( MPEG VIDEO coding experts group )
( Chairperson Dr. Didier J. LeGall )
MPEGSYSTEM ( MPEG SYSTEM experts group )
( Chairperson Mr. Allen H. Simon )
MHEG ( Multimedia and Hypermedia coding Experts
Group ) ( Chairperson Mr.
Francis Kretz )
18
SC29 History
1990.4
1992.11
1994.11
SC2
SC29
WG9
WG9
WG1
WG10
WG10
WG8
WG11
WG11
WG12
WG12
JPEG(11544)
1994.2
(14494)
NP

(14495)
NP
1997
(14492)
1998
NP
JBIG(10918)
1993.12
NP
(14493)
MPEG-1(11172)
1993.8
MPEG-2(13818)
1994.11
MPEG-4(14496)
1998
MHEG(13522)
1995
19
?????????MPEG
???? ??? ???? ????????
??-1 0 ??????? JPEG??
??0 0 ltlt 1 ?????? JPEG
??1 1 ltlt 2?3 ????? JPEG/JBIG
??2 2?3 ltlt 10 ???? MPEG?? MM?NY??
??3 10 ltlt 100 ?????? MPEG-1
????????????
??4 100 ltlt 1000 ????? MPEG-2
(??5 1000 ltlt ??????)
20
??MPEG??????
1.???????? 2.???????? ???????????????????? 3
.????????????? 4.??????? 5.?????????? 6.??????
JPEG?????????HDTV?FAX 7.?????(???????????) 8.?????
???
21
MPEG???(???????????)
????MPEG1 ??? ???CD??
CD????(?) DSB MPEG2 ???
DirecTV(?)? PerfecTV(?) DSM MPEG2 ???
DVD????(?) ?? MPEG2 ???
??ATV(DTV)???DVB? ?? ?? MPEG2
??? H.310??(ATM???AV????)
(????????? ?) VOD MPEG2 ???
DAVIC1.x(????????? ?)
22
DSM?MPEG
CD-ROM ???????? 150k???/?
??????????530M??? 630M??? ??????
???CD(CD????) 630M150k 74?
4???CD?ROM 630M 4.7 M /8 18 ?
DVD?ROM(?????????DVD) ??????????
4.7G???(DVD-5) 17G??? (DVD-17)
???????? ?10??CD-ROM??( ???????) ??????(?)
4.7G 4.7M/8 133?(DVD-17????4?)
(??) DVD-RAM(?????????DVD)
?????????? 2.6G????? ???????(MO) ??????????
NTT???????2.6G??? ???????? NTT????3.6M???/?
??????(?) 2.6G 4.7M/8 73?
23
MPEG????????

1.???????????? 2.???????????? 3.?????????????? 4.G
OP????????
24
B-ISDN/?????????????????
1991? ATM??????? 1993? CCITT??ITU-T?????
(???????????) 1994? DAVIC??
1980?? CCITT ??
JPEG, MPEG-1, MPEG-2, MPEG-4
???? ?????? ?????? B-ISDN????
ATM??????
ATM-LAN,ATM-WAN
?????/???????
IETF ???????
DAVIC ????????,VoD
?????????
1990??
???????????? ???????
???????
25
????????
???? ???????? JPEG???? MPEGLA??? 60??????
26
????????
??
?
??
???? 1999.12 4850?? 1998.12
3897 1998. 1 3000 1997. 1
2100 1996. 1 1000 1995. 1
800 ?????? 1999.12 560?? PHS 1998.12
598 1998. 1 690 1997. 1
600 1996. 1 150 ?????? 1998.11
473?? 1998. 1 760 1997. 1
1000 1996. 1 1080 1995. 1 940
?? PC 1700?? PDA 120??
27
?????????????
?
??
??
2000. 2 340??(DoCoMo???) 5700??(?????) 1998.
3 36 1996.11 2 2000.
2 440???? 1999.12 290???? 1999. 8 155?? 1999.
2 0.5
DB?
I-Mode ???
28
?????????
???????????
????????????
??????????????
??????????????? Pervasive Computing IBM??CEO?????
?
29
??????????(2005???)
1998?12?14?DoCoMo??????????

30
????????????(???1??)
?? ???????? 1999.9.27
31
??????? ????????
Supra Smart Card (SSC)
32
??????? ????????
??????????????????
Supra Smart Card (SSC)
33
?????????????
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?????
34
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35
?????????
? ? ???? ?? AA? ?? ? ? ??? lt64Kbps ? ?
? ISDN? lt1.5Mbps ? ? ? xDSL? lt10Mbps ? ? ?
??n HFC lt10Mbps ? ? ? FTTC lt100Mbps ? X
? FTTH lt10Gbps ? X ? ??n FWA lt10Mbps ? ?
? Mobile lt2Mbps ? ? ? ??1 ??? lt10Mbps ? ?
? ??? lt10Mbps X ? ? ??? lt4Mbps ? ? ??n
36
IMT-2000???
???? ???????????????????????
37
?????????????????
?????????????????? ???????????????? ?1
??????????? ?2 ?????????????? ?3
????????????? ?4 ???????????
38
???????????????
UBUbiquitous(?????)
39
WWCSNA??? Wired/Wireless Collaborative
Seamless Network Architecture
????????? ??/????????(???IP????????) ??/???????
??????????? ???????????????????
?????????????? ? ??/PC/DB???????? ??/???
40
??????????????????
?????
?????
??????
??????? ???????
???? I-?????? ????????
41
ASP???

• ASP???????????????????????
• ????????????????????????????????????????
• ?????????????????????????????ASP???????????
• ASP???????????????????????VPN???WAN?????????

42
??ASP?

• ???????????
• ??????????(??????????)

• ??????????
• ????????????????????

• ??????????
• ????????????(????????)

• ????????
• ????????????????????????
• ???

43
??????????????????
???????
44
MPEG???????? MPEGMotion Picture coding Experts
Group

• MPEG-1 (?????????????????????)
  DSM???????????????(CD??Video??)
• MPEG-2 (????????????) ????? ??????(???????,DVD)
• MPEG-4 (???????????) ???????
  ????????(?????????????)
• MPEG-7(?????????)
• ??????????????(??????????)
• MPEG-21(Big Picture?????????)
• ??????????????(?????????)

45
MPEG-4 ???????????

• ?????????? (??????????)
• ????????
• ?????????
  
• ??????????

• ??????????
• ?????
• ???VLC
• Data Partitioning
• ?????
• ?????????
• ???????????
• ???????
• ???????

46
MPEG-4?????????

• ????-???

• SNR??????

• ??????????

• ????????????

• ????????

47
????????? ?????????????????????
??
???????!
??????
???? ??
?????
48
MPEG-7??
??
?????
?????
MPEG-1
?????? ??????
????????????
MPEG-2
???
MPEG-4
H.263
???????
49
?????????????

• ?????(Color Space)
• RGB, HSV, YCrCb, RGB?????????
• ?????(Color Quantizer)
• ?????????
• ?????(Color Histogram)
• ???????????
• ?????(Dominant Color)
• ????????????????

50
????????????

• ???????????
• Voice mail access
• ??????????????
• When does the violin play in the symphony?
• ?????????????
• Query by humming

51
MPEG-21??

• ???????
• Digital Audio Visual Framework (SC29/WG11 New
  Work Item)
• ??????????????????????????????????????????????????
  ???Big Picture?
• ???MPEG???????????????????????????????MPEG-21?????
  ??????????High-level????????????????????????
• ??12??Key Issues?????????????
• 2000?3?????????????Workshop???
• ???2000?3???WG11???Call For Information???
• 2000?7????????????????(TR)?????
• ??????????????????????

52
MPEG-2112?????
?????????? ????????? ????? ????????? ??????
????? ??????? ?????????? ?????
?????? ??????????? ??? ??????????? ???????
? ???? ??????????? ?????????? ???
53
Everything over IP
??????????????
1998??2005? ?????????????????????
GNP??3540?????????????
???????? 19???27??
????? 9???97??
???? 50???98??
????? 18???23??
?????????
?? IP for Everyone (by ISOC)
54
???????????
?? B to C ????????? Edutainment ??
?????? ?? ??????? ??
???? ????? ????2005??????
55
???????????
???? ????? ????2005??????
?? B to C ????????? Edutainment ??
?????? ?? ??????? ??
56
???
???????????

• ????????????
• WWCSNA(Wired/Wireless Collaborative Seamless
  Network Archtechture)???(????????????????????)
• ??????????????????