ᚑくᄢቇℂᎿቇ⎇ⓥႎ๔
J. Fac. Sci. Tech., Seikei Univ.
Vol.46 No.2 (2009) pp.33-38
㧔ᣂછ⠪ߩ⺰ᢥ㧕ࡑ࡞࠴ࡔ࠺ࠖࠕㅢାᛛⴚߣߘߩᔕ↪ࠪࠬ࠹ࡓዊᳰ ᷕ*
Multimedia Communications Technology and their Application System

Atsushi KOIKE*ABSTRACT㧦The author is working in the Faculty of Science and Technology, Seikei University. Before
moving here this April, he had been working in KDDI Labs in the field of multimedia communications
such as image processing, visual communications, and biometrics. This paper reports his some research
work in the time of the senior manager of KDDI Labs. Firstly, the overview of KDDI Labs is briefly
introduced. Then, his research work, such as super high definition TV, free viewpoint TV, one segment
TV integrated with communication, facial recognition, and medical image transmission, are concretelydescribed. Final is his future research workKeywords㧦super high definition TV, free-view point TV, one-segment TV, facial recognition, medicalimage transmission(Received September 25, 2009)㧝㧚ߪߓ߼ߦ

㧞㧚⿥㜞♖⚦ᤋ௝વㅍ╩⠪ߪ㧘⃻࿷ᧄቇㇱᖱႎ⑼ቇ⑼ߦᚲዻߒߡ޿ࠆ߇㧘1985

ᐕ 4 ᦬߆ࠄᧄቇㇱߦ⌕છߔࠆ߹ߢߩ 24 ᐕ㑆㧘ᩣᑼળ␠KDDI ⎇ⓥᚲߦൕോߒߡ޿ߚ‫ޕ‬KDDI ⎇ⓥᚲߪ㧘KDDI ࠍਥⷐᩣਥߣߔࠆᖱႎㅢାᛛⴚࠍኾ㐷⊛ߦ⎇ⓥ㐿⊒ࠍⴕ߁ᩣᑼળ␠ߢ޽ࠆ‫ࡦ࡚ࠪ࡯ࠤ࡝ࡊࠕ࡮ࠕࠖ࠺ࡔ࠴࡞ࡑޕ‬ㇱ㐷㧘࡙ࡆࠠ࠲ࠬㇱ㐷㧘ߥߤࠍ฽߻ᖱႎㅢା㑐ㅪಽ㊁ߩ㧡⎇ⓥㇱ㐷߆ࠄߥࠅ㧘ో૕ߢ⚂ 200 ฬߩ⎇ⓥ⠪߇ᖱႎㅢା *&68 ᤋ௝વㅍ HDTV ᤋ௝વㅍߦߟ޿ߡߪ㧘ߔߢߦりㄭߥ߽ߩߣߥߞߡ࿾਄࠺ࠖࠫ࠲࡞᡼ㅍߦ㑐ㅪߒߚ⎇ⓥ㐿⊒ߦട߃ߡ㧘IPࡀ࠶࠻ࡢ࡯ࠢ਄ߢߩવㅍߩ⎇ⓥ߽ⴕߞߚ‫৻ߩߘޕ‬Ⅳߣߒߡ‫ޔ‬2002 ᐕ 11 ᦬ߦߪ㧘ᄢ㒋ᄢቇߣ UCSD ߣ౒หߢ㧘ᄢ㒋 ᄢ ቇ ߩ ⿥ 㜞 ࿶ 㔚 ሶ 㗼 ᓸ ㏜ ࠮ ࡦ ࠲ ࡯ ߆ ࠄ SC2002
㧔SuperConputing㧕ߩળ႐㧔☨࿖ࡏ࡞࠴ࡕࠕ㧕ߦ㔚ሶ㗼ᛛⴚߩ⎇ⓥᵴേߦᓥ੐ߒߡ޿ࠆ[1]‫╩ޕ‬⠪ߪ㧘ࡑ࡞࠴ࡔ࠺

ᓸ㏜ HDTV ᤋ௝ߩ IPv6 ࡊࡠ࠻ࠦ࡞ߦࠃࠆવㅍߦ਎⇇ߢࠖࠕ࡮ࠕࡊ࡝ࠤ࡯࡚ࠪࡦㇱ㐷ᤋ௝ㅢାࠣ࡞࡯ࡊ㧔⃻࿷ߩೋ߼ߡᚑഞߒߚ㧔࿑㧝㧕[3]‫ޕ‬⿥⥃႐ᗵㅢାࠣ࡞࡯ࡊ㧕ߩࠣ࡞࡯ࡊ࡝࡯࠳ߣߒߡ㧘↹௝ಣℂ‫ޔ‬ᤋ௝╓ภൻવㅍ㧘ࡃࠗࠝࡔ࠻࡝ࠢࠬ㧘ක≮ᖱႎಣ
ℂ㧘ߥߤߩࡑ࡞࠴ࡔ࠺ࠖࠕㅢା㑐ㅪᛛⴚߩ⎇ⓥ㐿⊒ࠍⴕߞߡ߈ߚ[2]‫ޕ‬ᧄ⺰ᢥߢߪ㧘╩⠪߇ᧄቇㇱߦ⌕છߔࠆએ೨ߩ KDDI ⎇ⓥᚲߩᤋ௝ㅢାࠣ࡞࡯ࡊߩࠣ࡞࡯ࡊ࡝࡯࠳ߣߒߡታᣉߒ
ߡ߈ߚਥߥ⎇ⓥ㐿⊒㧘ౕ૕⊛ߦߪ㧘⿥㜞♖⚦ᤋ௝વㅍ㧘⥄↱ⷞὐ࠹࡟ࡆ࡚ࠫࡦ㧘ㅢା᡼ㅍㅪ៤៤Ꮺ㔚⹤‫ޔ‬㗻⹺⼂⹺⸽‫ޔ‬ක≮↹௝વㅍ㧘ߥߤߦߟ޿ߡႎ๔ߔࠆ‫ޕ‬૬ߖߡ㧘੹ᓟߩ⎇ⓥߩᣇะᕈߦߟ޿ߡㅀߴࠆ‫ޕ‬࿑㧝 5% ࡏ࡞࠴ࡕࠕળ႐ߦߡ

*ᖱႎ⑼ቇ⑼ᢎ᝼㧔koike@st.seikei.ac.jp㧕 ߹ߚ㧘⠉ 2003 ᐕߦߪ㧘MotionJPEG2000 ࠍណ↪ߒߚ㧙㧙

HDTV ࠦ࡯࠺࠶ࠢ㧔JH-2000NE㧕ߩ㐿⊒ߦ਎⇇ߢೋ߼ߡࠍⴕߞߚ‫ޕ‬ᚑഞߒߚ‫ޕ‬HDTV ᤋ௝ࠍ᡼ㅍຠ⾰ߢ 50Mbps ⒟ᐲ߹ߢ࿶

࠺ࠫ࠲࡞ࠪࡀࡑߦ㑐ߒߡߪ㧘2007 ᐕߦ਎⇇ߢೋ߼ߡ☨❗╓ภൻࠍน⢻ߣߔࠆߛߌߢߥߊ㧘MPEG-2 ࠦ࡯࠺࠶ࠢ࿖ࡂ࡝࠙࠶࠼㧔DCI ⷙᩰ㧕ⷙᩰߦቢోḰ᜚ߒߚ࡝ࠕ࡞࠲ߢߪ࿎㔍ߢ޽ߞߚૐㆃᑧࠍ㆐ᚑߒߚ[4]‫ޕ‬ᤋ௝࠺࡯࠲ߩ⺒ࠗࡓࡂ࡯࠼࠙ࠚࠕࠦ࡯࠺࠶ࠢߩ㐿⊒ߦᚑഞߒߚ㧔࿑㧞㧕‫ޕ‬ߺㄟߺߣ╓ภൻಣℂߩࡄࠗࡊ࡜ࠗࡦಣℂᛛⴚ㧘↹௝ߩࠕ

Wavelet ᄌ឵ࠍ↪޿ߚ Motion JPEG2000 ߦ⁛⥄ߩ╓ภൻࠢ࠹ࠖࡆ࠹ࠖߦၮߠߊㆡᔕ⊛╓ภൻࡕ࡯࠼೙ᓮ㧘ߥߤߩ೙ᓮᛛⴚ㧔㊂ሶൻࡕ࡯࠼ߩㆡᔕ⊛ߥಾࠅᦧ߃ߥߤ㧕ࠍዉ⁛⥄ߩ╓ภൻ೙ᓮࠍ㐿⊒ߔࠆߎߣߦࠃࠆ㧘ᦨዊߢ 48msec

౉ߔࠆߎߣߦࠃࠅ㜞࿶❗╓ภൻࠍน⢻ߣߔࠆߣߣ߽ߦ㧘㧔㧟ࡈࠖ࡯࡞࠼㧕ߣ޿߁ૐㆃᑧࠍታ⃻ߒߚ‫࡯ࡢ࠻࠶ࡀޕ‬ࠢㆃᑧࠍ౉ࠇߡ߽ 100msec ⒟ᐲߦᛥ߃ࠆߎߣ߇น⢻ߢ޽ࠆ‫☨ޕ‬࿖ࡈࠚ࠾࠶ࠢࠬߢ㐿௅ߐࠇߚ SC2003 ߦ߅޿ߡหᄢ⿥㜞࿶㔚ሶ㗼ᓸ㏜࠮ࡦ࠲࡯߆ࠄหࠦ࡯࠺࠶ࠢࠍ↪޿ߡ࡜࠶࠻⣖⚦⢩ߩ HDTV વㅍߩ࠺ࡕࠍⴕ޿㧘ૐㆃᑧߢߩવㅍ⏕⹺ߒߚ‫ߪߦᦝޕ‬㧘2004 ᐕߩ NPACI ߿ OptiPuter ߩળวߦ߅޿ߡ߽㒋ᄢ࡮UCSD ߣ౒หߢ࠺ࡕࠍⴕ޿㧘ߘߩૐㆃᑧᕈߣ㜞↹⾰ߦኻߒߡ㜞޿⹏ଔࠍᓧߚ‫ޕ‬2005 ᐕ 10 ᦬

DCI ⷙᩰ߇ᗐቯߔࠆ 250Mbit/s ࠍਛᔃߣߒߚૐࡆ࠶࠻࡟࡯࠻ߢߩ㜞↹⾰વㅍ㧔⚛᧚વㅍⷙᩰ㧕߽ታ⃻ߒߚ‫ߚ߹ޕ‬㧘໡↪ൻࠍ೨ឭߣߒߡ㧘ኾ↪ࡂ࡯࠼࠙ࠚࠕߦࠃࠆዊဳൻࠍⴕ޿㧘ᓥ᧪ߩ HDTV ࠦ࡯࠺࠶ࠢߣห⒟ᐲߩࠨࠗ࠭ߢߩታ

ⵝࠍ㆐ᚑߒߚ‫ޕ‬⠉ᐕ 2008 ᐕߦߪ㧘ࡀ࠶࠻ࡢ࡯ࠢવㅍㇱಽ

ࠍ 2 ㊀ൻߒߡή⍍ᢿൻߒߚࠦ࡯࠺࠶ࠢߩ㐿⊒߽ⴕߞߚ‫ޕ‬㧞࿁✢㑆ߢᦨᄢߢ 300msec ߩㆃᑧᏅ㧔ࠫ࠶࠲࡯㧕ࠍๆ෼ߔࠆߎߣ߇น⢻ߢ޽ࠆ‫ޕ‬ߩᄢ㒋ߢߩ JGN ࡢ࡯࠶࡚ࠢࠪ࠶ࡊߦ߅޿ߡߪ㧘ᧄࠦ࡯࠺࠶ࠢߦࠃࠆ TV ኻ⺣ࠍⴕ޿㧘ኻ⹤ᕈ߇ⷐ᳞ߐࠇࠆ TV ળ⼏↪ߣߒߡ߽೑↪น⢻ߢ޽ࠆߎߣࠍታ⸽ߒߚ‫ޕ‬ᦝߦߪ㧘✚ോ⋭ᖱႎㅢା⎇ⓥᯏ᭴㧔NiCT㧕߆ࠄߩᆔ⸤
⎇ⓥߣߒߡ㧘UDTV ᤋ௝ߩ࠰ࡈ࠻࠙ࠚࠕ╓ภൻߩ⎇ⓥ㐿
⊒ࠍታᣉߒ㧘ࠝ࡯࡞࠰ࡈ࠻࠙ࠚࠕߢേ૞ߔࠆ H.264 ࡌ࡯ࠬߩ࡝ࠕ࡞࠲ࠗࡓࠦ࡯࠺࠶ࠢࠍ㐿⊒ߒߚ [5]‫ޕ‬32 ୘ߩ ⿥㜞♖⚦ᤋ௝㧔࠺ࠖࠫ࠲࡞ࠪࡀࡑ㧘7&68㧕ࡂࠗࡆ࡚ࠫࡦએ਄ߩ⸃௝ᐲᜬߟᤋ௝વㅍߦߟ޿ߡߪ㧘
4000*2000 ↹⚛(HDTV ߩ❑ᮮ 2 ୚㧘7.64Gbit/s)ߩ⸃௝ᐲ
ࠍ᦭ߔࠆ࠺ࠖࠫ࠲࡞ࠪࡀࡑ㧘8000*4000 ↹⚛㧔HDTV ߩ❑ᮮ 4 ୚㧕ߩ⸃௝ᐲࠍ᦭ߔࠆ UDTV ߩ࿶❗╓ภൻߩ⎇ⓥ

CPU ࠍਗ೉ߦേ૞ߐߖࠆߎߣߦࠃࠅ㧘⚂ 30Gbit/s ߩᤋ௝ାภࠍᦨ㜞ߢ⚂ 50Mbps㧔᡼ㅍⷙᩰ㧕ߦ߹ߢ࡝ࠕ࡞࠲ࠗࡓߢ࿶❗િᒛߢ߈ࠆ‫ޕ‬2007 ᐕ 11 ᦬ߩ InterBEE2007㧘2008ᐕ 3 ᦬ߩ☨࿖࡜ࠬࡌࠟࠬߩ NAB ߦ߅޿ߡ࠺ࡕዷ␜ࠍⴕ޿㧘ᄢ߈ߥ෻㗀ࠍᓧߚ‫ޕ‬࿑㧞 ࠺ࠖࠫ࠲࡞ࠪࡀࡑࠦ࡯࠺࠶ࠢ࿑㧟 ⥄↱ⷞὐᤋ௝㧔࠙ࠜ࡯ࠢࠬ࡞࡯㧕㧙㧙㧟㧚⥄↱ⷞὐ࠹࡟ࡆ࡚ࠫࡦ޽ࠆߎߣ߆ࠄ㧘ㅢାߣ᡼ㅍߩㅪ៤߇⃻ታߩ߽ߩߣߥߞߡ߈ߡ޿ࠆ‫ޕ‬᡼ㅍ⇟⚵ߦ㑐ㅪߔࠆᖱႎࠍ BML ߣߒߡ៤Ꮺ ⷞ⡬⠪߇⷗ߚ޿ⷞὐ㧔଀߃߫㧘ࠨ࠶ࠞ࡯ߦ߅ߌࠆࠧ࡯㔚⹤ߦขࠅㄟߺ㧘ߘߩᖱႎࠍࡐ࡯࠲࡞ᖱႎߣߒߡ㧘ࠃࠅ࡞ࠠ࡯ࡄⷞ✢㧕߆ࠄߩᤋ௝ࠍⷞ⡬ߔࠆߎߣࠍน⢻ߣߔࠆ⹦⚦ߥ⇟⚵ᖱႎࠍ៤Ꮺ㔚⹤ߩࠗࡦ࠲࡯ࡀ࠶࠻ᯏ⢻ࠍ೑↪

⥄↱ⷞὐ࠹࡟ࡆ࡚ࠫࡦߩ⎇ⓥ㐿⊒ߦ㑐ߒߡ߽㧘Ⓧᭂ⊛ߦߒߡ౉ᚻߔࠆࠃ߁ߥ᡼ㅍߣㅢା߇ㅪ៤ߒߚࠨ࡯ࡆࠬ߇ᦼⴕߞߚ‫ޕ‬2007 ᐕᐲ⊒⴫ߐࠇߚ✚ോ⋭ᖱႎㅢା᡽╷ዪߩᰴᓙߐࠇߡ޿ࠆ[4]‫ޕ‬࿑㧠ߪ㧘2004 ᐕߦ KDDI ⎇ⓥᚲ߇ NHK਎ઍ᡼ㅍ⎇ⓥળ㧔૞ᬺ⃰ࡔࡦࡃ࡯ߣߒߡෳട㧕ߩႎ๔ᦠ᡼ㅍᛛⴚ⎇ⓥᚲߣ౒หߢ਎⇇ߢೋ߼ߡ㐿⊒ߦᚑഞߒߚࡢߦ߅޿ߡ߽㧘ᰴ਎ઍߩ࠹࡟ࡆ࡚ࠫࡦߣߒߡ㧘3 ᰴర࠹࡟ࡦ࠮ࠣ᡼ㅍฃାᯏ⢻ઃ߈ㅢା᡼ㅍㅪ៤៤Ꮺ㔚⹤┵ᧃߢ޽ࡆ࡚ࠫࡦ߿ࠬ࡯ࡄࡂࠗࡆ࡚ࠫࡦߣਗࠎߢᄢ߈ߊขࠅ਄ߍࠆ‫ޕ‬2004 ᐕ 5 ᦬ NHK ᛛ⎇౏㐿ߦ߅޿ߡᛛ⎇ࠛࡦ࠻࡜ࡦ

ࠄࠇߚ‫ޕ‬᠟ᓇኻ⽎ࠍዪᚲ⊛ߥዊ㗔ၞߦಽഀߒߡ㧘ߘߩዊࠬߢዷ␜࠺ࡕࠍⴕ޿㧘ᄙߊߩᣇ‫ࠄ߆ޘ‬㜞޿⹏ଔࠍ㗂޿ߚ‫ޕ‬㗔ၞන૏ߢశ✢ⓨ㑆ࠍ⸥㍳ߔࠆᣇᑼࠍ⠨᩺ߒߚ‫⚿ߩߎޕ‬ࡂ࡯࠼࠙ࠚࠕ᭴ᚑߪ㧘ታ㓙ߦ໡↪┵ᧃߣߒߡ೑↪ߐࠇߡᨐ㧘ዊ㗔ၞන૏ߢߩ⥄↱ⷞὐᤋ௝ߩ૞ᚑ߇น⢻ߣߥࠅ㧘޿ࠆ៤Ꮺ㔚⹤┵ᧃߦࠕࡦ࠹࠽࡮࠴ࡘ࡯࠽ࡕࠫࡘ࡯࡞ࠍઃߎࠇ߹ߢਇน⢻ߐࠇߡ޿ߚታ౮ᤋ௝ࠍ↪޿ߚ࠙ࠝ࡯ࠢࠬടߒߚᒻߣߥߞߡ޿ࠆ‫ߪߢᧃ┵ᧄޕ‬㧘OFDM ᄌ⺞ᵄࠍฃ࡞࡯ࠍ਎⇇ߢೋ߼ߡታ⃻ߒߚ㧔࿑㧟㧕[6]‫ޕ‬2007 ᐕ 10 ᦬ା㧘ᓳ⺞㧘࠺ࠦ࡯࠼ࠍⴕ޿㧘MPEG-2 TS ߦᩰ⚊ߐࠇߚ࠮ߣߒߡᄙߊߩ෻㗀ࠍᓧߚ‫ޕ‬⠉ 2008 ᐕ㧣᦬ߦߪ㧘NiCT/ATR࠺ࠝ ES㧘ࠝ࡯࠺ࠖࠝ ES㧘PCR㧕ߦኻߒᚲቯߩᓳภಣℂߩ CEATEC2007 ߢ࠺ࡕዷ␜ࠍⴕ޿ࡑࠬࠦࡒฦ␠ࠍᆎ߼ߣදജߒߡ㧘㑐⷏ߌ޿ߪࠎߥߣ KDDI ⎇ⓥᚲࠍ JGN ࡀ࠶࡚ࠢࠪࡦ㧛PES ࠺࡯࠲㧔ߘߩਛߩ PSI/SI㧘࠺࡯࠲ ES㧘ࡆߥߤࠍⴕ߁‫⹜ޕ‬૞ߒߚㅢା᡼ㅍㅪ៤ࠪࠬ࠹ࡓߪ㧘਄ㅀߩ࠻ࡢ࡯ࠢߢធ⛯ߒ㧘⥄↱ⷞὐ VoD ߩᤋ௝㈩ାવㅍታ㛎ߦ៤Ꮺ┵ᧃߩ߶߆㧘ᤋ௝㈩ାࠨ࡯ࡃ㧘ㅢାࠦࡦ࠹ࡦ࠷㈩ା

਎⇇ߢೋ߼ߡᚑഞߒߚ‫ޕ‬ࠨ࡯ࡃ㧘┵ᧃ⿠േ೙ᓮࠨ࡯ࡃ㧘࠮ࡦ࠲࡯ࡊ࠶ࠪࡘࠨ࡯ࡃ㧘࡙࡯ࠩࡊࡠࡈࠔࠗ࡞▤ℂࠨ࡯ࡃ㧘૏⟎ᖱႎࠨ࡯ࡃ㧘ߥߤ㧠㧚ࡢࡦ࠮ࠣฃାᯏ⢻ઃ߈ㅢା᡼ㅍㅪ៤៤Ꮺ㔚⹤߆ࠄߥࠆ[8]‫⴫ޕ‬㧝ߪ㧘ࠨ࡯ࡆࠬ߇߹ߛⴕࠊࠇߡ޿ߥ޿߽ߩࠍ฽߼ࡢࡦ࠮ࠣࡔࡦ࠻᡼ㅍߦ߅ߌࠆㅢା᡼ㅍㅪ៤ࠨ࡯ 2006 ᐕ 3 ᦬ߦ࿾਄࠺ࠖࠫ࠲࡞᡼ㅍߦᣂߚࠄߒ޿᡼ㅍࠨࡆࠬࠍࠨ࡯ࡆࠬ࠲ࠗࡊ೎ߦ㧘ᢛℂಽ㘃ߒߚ߽ߩߢ޽ࠆ‫ޕ‬࡯ࡆࠬ߇ㅊടߐࠇߚ‫ߩߎޕ‬᡼ㅍࠨ࡯ࡆࠬߪ㧘࿾਄࠺ࠖࠫࠗࡦ࠲࡯ࡀ࠶࠻ EPG㧘ࠬࡐ࡯࠷੍ᗐࠢࠗ࠭㧘✕ᕆ⋡ⷡ߹࠲࡞᡼ㅍߦ߅ߌࠆࡢࡦ࠮ࠣࡔࡦ࠻Ꮺၞࠍ૶߁ߎߣ߆ࠄࡢߒ೙ᓮ㧘ࠪ࡯ࡓ࡟ࠬฃାߥߤ㧘ᄙ⒳ᄙ᭽ߥㅪ៤ࠨ࡯ࡆࠬࡦ࠮ࠣࡔࡦ࠻᡼ㅍ㧔ࡢࡦ࠮ࠣ᡼ㅍ㧕ߣ๭߫ࠇ㧘ਥߦ៤Ꮺ߇ᗐቯߐࠇߡ޿ࠆߎߣ߇ಽ߆ࠆ‫ߡߒߘޕ‬㧘એਅߦ␜ߔㅢ㔚⹤ߥߤߩࡕࡃࠗ࡞ᯏེߢߩⷞ⡬߇ᗐቯߐࠇߡ޿ࠆ‫ࡢޕ‬ା᡼ㅍㅪ៤ࠦࡦ࠹ࡦ࠷ࠍ㐿⊒ߒߚࡢࡦ࠮ࠣࡔࡦ࠻ฃା៤ࡦ࠮ࠣ᡼ㅍߢߪ㧘ᤋ௝㖸ჿߦട߃ߡ࠺࡯࠲㧔BML㧕߇ㅍᏪ┵ᧃ਄ߦታ㓙ߦታⵝߒ㧘዁᧪ߩㅢା᡼ㅍㅪ៤ࠨ࡯ࡆࠬࠄࠇߡߊࠆߎߣ㧘߹ߚ㧘ᗐቯߐࠇࠆฃାᯏ߇៤Ꮺ㔚⹤ߢࠗࡔ࡯ࠫߩ੐೨⹏ଔࠍታᣉߒߚ‫ޕ‬⴫㧝 ㅢା᡼ㅍㅪ៤ࠨ࡯ࡆࠬߩ଀࿑㧠 ࡢࡦ࠮ࠣฃାᯏ⢻ઃ߈ㅢା᡼ㅍㅪ៤៤Ꮺ┵ᧃ㧙㧙 㖸ჿ㔚⹤߆ࠄᆎ߹ߞߚ៤Ꮺ㔚⹤ߪ㧘୘ੱᖱႎߩ▤ℂ߿㧝㧕┵ᧃ๭಴ဳࠨ࡯ࡆࠬ⴫㧝ߦ߅ߌࠆ✕ᕆ⋡ⷡ߹ߒ೙ᓮߦ⋧ᒰߔࠆ‫߫߃ߣߚޕ‬ࡀ࠶࠻ࡢ࡯ࠢࠍㅢߒߡᖱႎᬌ⚝ߩߚ߼ߩᖱႎㅢା┵ᧃߣἴኂ⊒↢ᤨߥߤߦ⥃ᤨߩ࠾ࡘ࡯ࠬ⇟⚵߇᡼ㅍߐࠇߡ޿ࠆߒߡ೑↪ߐࠇࠆߛߦ⇐߹ࠄߕ㧘IC ࠞ࡯࠼ᯏ⢻߇៞タߐࠇ႐วߦ㧘ᓙฃ⁁ᘒߦ޽ࠆ៤Ꮺ㔚⹤ߦㅢା✂஥߆ࠄ࠻࡝ࠟࠆߥߤ㔚ሶࡑࡀ࡯ߣߒߡߩᯏ⢻ࠍᨐߚߔ߹ߢߦ⥋ߞߚ‫ޕ‬࡯ࠍਈ߃ߡ⥄േ⊛ߦ࠹࡟ࡆฃାࡕ࡯࠼ࠍ ON ߦߔࠆࠨ࡯ߎࠇ߹ߢ৻⥸⊛ߢ޽ߞߚ㧠ᩴᢙሼߩࡄࠬࡢ࡯࠼ࡠ࠶ࠢߦࡆࠬߢ޽ࠆ‫✕ޕ‬ᕆ᡼ㅍߩߺߥࠄߕ㧘․ቯߩ┵ᧃߦኻߒ㧘ᄌࠊࠆࠃࠅ㜞ᐲߥ࠮ࠠࡘ࡝࠹ࠖߩ⏕଻߇᳞߼ࠄࠇߡ߈ߡᜰቯ᧦ઙ㧔࡙࡯ࠩ࡯߇੐೨⊓㍳㧕ߦ⹥ᒰߔࠆ࠹࡟ࡆ⇟⚵߅ࠅ㧘ࠃࠅ㜞ᐲߥᧄੱ⹺⸽ࠍⴕ߁ᚻᲑߣߒߡ↢૕ᖱႎࠍ߇᡼ᤋߐࠇߡ޿ࠆᤨ㑆Ꮺߦ⥄േ⿠േࠍ߆ߌࠆߎߣߢ⇟⚵૶ߞߚࡃࠗࠝࡔ࠻࡝ࠢࠬ⹺⸽ᛛⴚ߇ᵈ⋡ࠍᶎ߮ߡ޿ࠆ‫ޕ‬ⷞ⡬੍⚂ߦኻᔕߒߚㅢାࠨ࡯ࡃࡊ࠶ࠪࡘဳߩ⇟⚵⹜⡬ࠨߔߢߦ৻ㇱߩ៤Ꮺ┵ᧃߦ㗻⹺⸽ᯏ⢻߇ታⵝߐࠇߡ޿ࠆ‫ޕ‬࡯ࡆࠬ߇น⢻ߣߥࠆ‫ޕ‬៤Ꮺ㔚⹤ߥߤߩࡕࡃࠗ࡞ᯏེߩࠞࡔ࡜ߢ⹺⸽ߥߤࠍⴕ߁㧞㧕૏⟎ᖱႎ೑↪ဳࠨ࡯ࡆࠬ៤Ꮺ㔚⹤ߩ GPS ᯏ⢻ࠍ೑↪

႐ว㧘ࠦࡦࡆ࠾߿㚢ゞ႐ߥߤߦ⸳⟎ߐࠇߡ޿ࠆ࿕ቯߐࠇߚߒߡ࡙࡯ࠩߩ⃻࿷૏⟎ߦᔕߓߚㅢାࠦࡦ࠹ࡦ࠷ߩឭଏࠍࠞࡔ࡜ߣߪ⇣ߥࠅ㧘࡙࡯ࠩߩ⒖േ߿೑↪ߩࠪ࡯ࡦࠃߞߡ㧘ⴕ߁ࠨ࡯ࡆࠬߢ޽ࠆ‫߫߃ߣߚޕ‬਄ᤋਛߩᤋ↹⚫੺ࠍⴕ߁ᾖ᣿᧦ઙߥߤߩ᠟ᓇⅣႺ߇ᄢ߈ߊᄌൻߔࠆ‫߼ߚߩߘޕ‬㧘⇟⚵ߦㅪേߒ㧘ᦨነࠅߩᤋ↹㙚ࠍ࿾࿑ߣߣ߽ߦ㑛ⷩน⢻ੱ‛ߩᆫ൓߿⴫ᖱߥߤߩᄌൻߛߌߢߥߊ㧘ᾖ᣿᧦ઙߩᄌߥㅢାࠦࡦ࠹ࡦ࠷ࠍឭ␜ߔࠆ‫ߚ߹ޕ‬㧘଀߃߫㧘⇟⚵ౝߢേߦኻߔࠆᒝ޿⠴ᕈ߇޽ࠆࠕ࡞ࠧ࡝࠭ࡓߦ㐿⊒߇㊀ⷐߢᅚఝߐࠎ߇⌕ߡ޿ࠆᵗ᦯ߥߤࠍ⽼ᄁߒߡ޿ࠆᦨነࡉ࠹ࠖ޽ࠆ‫ޕ‬ਥᚑಽಽᨆߦၮߠߊㇱಽⓨ㑆ᴺߦⶄᢙߩᾖ᣿ࡕ࠺࠶ࠢ߿࠺ࡄ࡯࠻ߥߤࡎ࡯ࡓߵ࡯ࠫࠍ⚫੺ߔࠆߎߣ߽಴᧪࡞ࠍ⚵ߺวࠊߖࠆߎߣߦࠃࠅ㧘ᾖ᣿᧦ઙ߇Ᏹߦᄌേߔࠆࠆ‫ޕ‬ห᭽ߦ㧘૏⟎ᖱႎขᓧᯏ⢻ߦࠃࠅᓧߚ૏⟎߆ࠄ┵ᧃࡕࡃࠗ࡞ⅣႺਅߦ߅޿ߡ߽㧘቟ቯ⊛ߥ㗻⹺⸽ࠍታ⃻ߒߚ૏⟎ઃㄭߩ᳇⽎ᖱႎࠍឭଏߔࠆࠨ࡯ࡆ߽ࠬน⢻ߣߥࠆ‫ޕ‬[9]‫ߚ߹ޕ‬㧘2005 ᐕ 3 ᦬ߦߪ㧘㗻↹௝⹺⼂ᛛⴚࠍ೑↪ߒߚ⴫ 1 ߢ⸒߃߫㧘᡼ㅍ㑐ㅪ⹦⚦ᖱႎࠨ࡯ࡆࠬߩ৻⒳ߢ޽ࠆ‫ޕ‬ߘߩઁ㧘᡼ㅍ⇟⚵ߣㅪേߒߚ࠽࡟࡯࡚ࠪࡦ࠹ࠠࠬ࠻㧔ᄙࠛࡦ࠲࡯࠹ࠗࡔࡦ࠻ࠪࠬ࠹ࡓ‫ޟ‬CHECK THE HARAJUKUGAO!‫ޠ‬೙૞ߒ㧘ේኋߢࠝ࡯ࡊࡦߒߚ‫ޟ‬KDDIDESIGNING⸒⺆ߦኻᔕ㧕ࠍㅢାࠦࡦ࠹ࡦ࠷ߣߒߡ㑛ⷩน⢻ߣߒ㧘ሼ

STUDIO‫ߩޠ‬㧟㓏㧘ࡈࡘ࡯࠴ࡖ࡯࡜ࡏࠬࡍ࡯ࠬߦ⸳⟎ߒ᐀ࠍᔅⷐߣߔࠆ․ቯ࡙࡯ࠩ߳ߩⷞ⡬ᡰេࠍⴕ߁․ቯ࡙࡯

ߚ㧔࿑㧡㧕[10]‫ߦ࡜ࡔࠞޕ‬ᤋߞߚੱ‛߇ߤࠇߛߌේኋߩࠩะߌⷞ⡬ᡰេࠨ࡯ࡆࠬ㧘࡙࡯ࠩߩⷞ⡬ߒߡ޿ࠆ⇟⚵ߩⴝߦㆡวߒߡ޿ࠆ߆㧘㗻ࠍ૶ߞߡ⸻ᢿߔࠆ‫ߢ✢৻╙ޕ‬ᵴጁᱧᖱႎ╬ࠍ೑↪ߒᒰ⹥࡙࡯ࠩ߳ߩ⇟⚵ផ⮈ࠍⴕ߁ࠨ࡯べߔࠆේኋߩ⧯⠪ߩ⡯ᬺ೎㗻↹௝࠺࡯࠲ࡌ࡯ࠬࠍ߽ߣߦ㧘ࡆࠬ㧘ߥߤࠍ૞ᚑߒߚ‫ߪߦᦝޕ‬㧘ฃା┵ᧃන૏ߢ⃻࿷ⷞߤߩ⡯ᬺߩੱ㆐ߣߤߩ⒟ᐲૃߡ޿ࠆ߆ࠍ್ቯߔࠆࠛࡦ࠲

⡬ਛߩ⇟⚵ࠍ⺞ߴࠆߎߣߦࠃࠅ㧘࡝ࠕ࡞࠲ࠗࡓߢߩⷞ⡬࡯࠹ࠗࡔࡦ࠻♽ߩࠕࡊ࡝ࠤ࡯࡚ࠪࡦߢ޽ࠆ‫ޕ‬਄ㅀߒߚ⁛₸ࠍ▚಴ߔࠆᯏ⢻߽ታⵝߒㅢାߣ᡼ㅍ߇ㅪ៤ߒߚᣂߒ޿⥄ߦ㐿⊒ߒߚ㜞ㅦ㗻ᬌ಴ᛛⴚߣ㜞♖ᐲߥ㗻⼂೎ᛛⴚࠍ૶ࠨ࡯ࡆࠬߩឭ᩺ߣ⹏ଔࠍታᣉߒߚ‫ޕ‬ߞߡ޿ࠆ‫ޕ‬ᄙߊߩ࠹࡟ࡆ߿ࡑࠬࠦࡒߢขࠅ਄ߍࠄࠇߡ߅ࠅ㧘ࠝ࡯ࡊࡦએ᧪ᢙਁੱએ਄ߩੱ߇૕㛎ߒߡ޿ࠆߥߤ㧘㧡㧚㗻⹺⼂࡮⹺⸽KDDI DESIGNING STUDIO ߦ߅ߌࠆᦨ߽ੱ᳇ߩ޽ࠆࠬࡐ࠶࠻ߦߥߞߡ޿ࠆ‫ޕ‬࿑㧡 %*'%-6*'*#4#,7-7)#1

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NiCT ߇ർᶏ㆏࡝ࠨ࡯࠴࠮ࡦ࠲࡯ߢታᣉߒߚක≮ᖱႎ㑐ଥߩ⎇ⓥࡊࡠࠫࠚࠢ࠻‫ޟ‬P2P 㜞ᐲᖱႎᵹㅢࡊࡠࠫࠚࠢ࠻ ක≮ߩಽ㊁ߢߪ㧘቟ోߢ቟ᔃߥක≮ࠨ࡯ࡆࠬࠍല₸ߦ㧔㨪㧕‫ޟ߿ޠ‬శࠝࡦ࠺ࡑࡦ࠼ࡀ࠶࠻ࡢ࡯ࠢ೙ᓮࡊឭଏߔࠆߚ߼ߩᚻᲑߩ৻ߟߣߒߡ㧘㔚ሶࠞ࡞࠹ߥߤߩᖱࡠࠫࠚࠢ࠻㧔㧕‫․߿࡯ࡠࠚࡈࠆߌ߅ߦޠ‬೎⎇ⓥຬߣߒ

ႎㅢାᛛⴚߩⓍᭂ⊛ߥዉ౉߇ㅴࠎߢ޿ࠆ‫ߦ․ޕ‬ක≮ᖱႎߡක≮↹௝વㅍ߿ක≮ߦ߅ߌࠆ࠮ࠠࡘ࡝࠹ࠖᯏ⢻ߩ⎇ⓥࡀ࠶࠻ࡢ࡯ࠢࠍ೑↪ߒߚක≮ߩ࿾ၞ㑆ᩰᏅߩ⸃ᶖ߿ᢇᕆ

ࠍᜂᒰߒߚ‫ޕ‬ᤨߦ߅ߌࠆක≮ᡰេ߇㊀ὐ⺖㗴ߩ৻ߟߣߒߡขࠅ਄ߍࠄ

ࠇߡ޿ࠆ‫ⷰߩߎޕ‬ὐ߆ࠄ㧘2002 ᐕߦ PDA ࠲ࠗࡊߩක≮㧣㧚੹ᓟߩ⎇ⓥ

↹௝વㅍࡆࡘ࡯ࡢࠪࠬ࠹ࡓ‫ޟ‬PocketMIMAS‫ߩޠ‬㐿⊒ࠍⴕߞߚ‫࡞ࠗࡃࡕޕ‬ㅢାࠞ࡯࠼ߣ⚵ߺวࠊߖࠆߎߣߦࠃࠅ㧘ᧄᐕ㧠᦬ࠃࠅࠬ࠲࡯࠻ߒߚᧄቇℂᎿቇㇱᖱႎ⑼ቇ⑼ࠗ

㔌ࠇߚ႐ᚲ߆ࠄ㜞ㅦߦᄢኈ㊂ߩක≮↹௝ࠍฃାߔࠆߎߣࡔ࡯ࠫࡔ࠺ࠖࠕ⎇ⓥቶߪ㧘ታ㛎ቶߩᢛ஻߽㗅⺞ߦㅴࠎߢ߇น⢻ߣߥߞߚ‫ޕ‬ฬฎደᄢቇᄢቇ㒮කቇ⎇ⓥ⑼ߩදജࠍ

߅ࠅ㧘㧥᦬ᧃߦ㧟ᐕ↢  ฬ߇㈩ዻߐࠇߚ‫࠺ࡔࠫ࡯ࡔࠗޕ‬ᓧߡ㐿⊒ࠍㅴ߼ߚ߽ߩߢ㧘ฬᄢઃዻ∛㒮ࠍ฽߼ߚ࿖ౝߩࠖࠕᛛⴚߩⷰὐ߆ࠄ㧘ੱߣ࿾⃿ⅣႺߩਔᣇߦఝߒߊ㧘቟ⶄᢙߩ∛㒮ߦ߅޿ߡ೑↪ߐࠇߚ‫ޕ‬㕒ᱛ↹╓ภൻߩ࿖㓙ᮡోߢ቟ᔃߥ␠ળࠍታ⃻ࠍ⋡ᮡߦ⎇ⓥ㐿⊒ࠍㅴ߼ߡ޿ߊ੍Ḱᣇᑼߢ޽ࠆ JPEG2000 ߦ⁛⥄ߩ㜞ㅦߥ↹௝વㅍ࡮⴫␜ቯߢ޽ࠆ‫ౕޕ‬૕⊛ߥ⎇ⓥ㗄⋡ߣߒߡߪ㧘એਅࠍᗐቯߒߡᛛⴚࠍ⚵ߺวࠊߖࠆߎߣߦࠃࠅ㧘࠙ࠖࡦ࠼࠙ᯏ⢻ߥߤࠍ޿ࠆ‫ޕ‬฽߼㜞ㅦߥ↹௝㑛ⷩᯏ⢻ࠍታ⃻ߒߚ‫ޕ‬ኾ㐷ක߇ᄖ಴ਛߥ࡮቟ో቟ᔃⓨ㑆⹺⼂ߩ⎇ⓥ

ߤߩ႐วߦ߅޿ߡ㧘ᄖ಴ߒߡ޿ࠆኾ㐷කߦᔅⷐߥක≮↹ ‫ޟ‬቟ో࡮቟ᔃ‫␠ޠ‬ળߩታ⃻ߦะߌߡ㧘⋴⼔Ꮷߩᢙ߇ዋ௝ࠍ㜞ㅦߦવㅍߔࠆߎߣ߇น⢻ߣߥߞߚ‫ޕ‬2005 ᐕߦߪ㧘ߥ޿ᄛ㑆ߩ∛ቶ⥄േ⋙ⷞ߿⁛ዬ⠧ੱቛౝߩ⷗቞ࠅࠪࠬ࠹ಣℂࠕ࡞ࠧ࡝࠭ࡓ߿ታⵝᣇᴺࠍో㕙⊛ߦ⷗⋥ߒ㧘ࡓߣߒߡ㧘ᤋ௝㧘㖸ჿ㧘ࡃࠗ࠲࡞ߥߤࡑ࡞࠴ࡕ࡯࠳࡞ᖱ‫ޟ‬MobileMIMAS‫ߡߒߣޠ‬៤Ꮺ㔚⹤ᯏߦታⵝߔࠆߎߣߦ਎ႎࠍ⚵ߺวࠊߖߡ㧘㐽ⓨ㑆ౝߦ޿ࠆੱ‛ߩⴕὑ࡮ⴕേࠍ⇇ߢೋ߼ߡᚑഞߒߚ[11]‫ޕ‬៤Ꮺ㔚⹤ߩ㜞ㅦߥㅢାࡀ࠶࠻⹺⼂ߒ㧘ੱ‛ߩ⇣Ᏹ⁁ᘒ࡮ෂ㒾⁁ᘒࠍᬌ಴ߔࠆ⎇ⓥࠍㅴ

ࡢ࡯ࠢⅣႺࠍ೑↪ߔࠆߎߣߦࠃࠅ㧘ኾ㐷ක߇ᣣᧄਛߤߎ߼ࠆ‫ޕ‬ታᣉߦ߅޿ߡߪ㧘∛㒮߿੺⼔ᣉ⸳ߥߤߣߩㅪ៤ࠍߦ޿ߡ߽ᔅⷐߥක≮↹௝ࠍવㅍߔࠆߎߣ߇น⢻ߣߥߞߚ‫ޕ‬⠨߃ࠆ‫ޕ‬ߎߜࠄ߽࿖ౝߩⶄᢙක≮ᯏ㑐ߩታ㓙ߩᢇᕆක≮⃻႐ߢ೑࡮ᤋ௝ಣℂߣㅢା᡼ㅍ╬ߩⶄᢙࡔ࠺ࠖࠕㅪ៤ߩ⎇ⓥ

↪ߐࠇߡ޿ࠆ߅ࠅ㧘⣖᪪Ⴇࠍਛᔃߣߒߚ⣖∔ᖚ♽ߩ∛᳇ ៤Ꮺ㔚⹤ߦ៞タߒߡ޿ࠆࠞࡔ࡜㧘ࡕࡃࠗ࡞ߦࠃࠆࠗࡦߩᢇ๮ߦᓎ┙ߞߡ޿ࠆ[12]‫ޕ‬CT ߥߤߩක≮ࡏ࡝ࡘ࡯ࡓ↹࠲࡯ࡀ࠶࠻㧘࿾਄࠺ࠖࠫ࠲࡞᡼ㅍߥߤߩ⇣ߥߞߚࡔ࠺ࠖ௝ߩ╓ภൻߩ⎇ⓥ߽ขࠅ⚵ࠎߢ߅ࠅ㧘2004 ᐕߦߪࡏ࡝ࡘࠕࠍ⚵ߺวࠊߖߚᣂߒ޿ࡔ࠺ࠖࠕㅪ៤ᛛⴚߣࠨ࡯ࡆࠬߩ࡯ࡓ↹௝ࠍ㜞⢻₸ߦήᱡߢ࿶❗╓ภൻߔࠆߎߣ߇น⢻ߥ⎇ⓥࠍⴕ߁‫ߚ߹ޕ‬㧘዁᧪⊛ߦߪ㧘ⶄᢙߩ៤Ꮺ㔚⹤ࠍㅪ៤╓ภൻᣇᑼ‫ޟ‬VolumeCompact‫ߩޠ‬㐿⊒ߦᚑഞߒߚ‫ߚ߹ޕ‬㧘ߐߖߡ⸘▚ࠍⴕ߁៤Ꮺࠣ࡝࠶࠼ߩ⎇ⓥ߽ⷞ㊁ߦ౉ࠇߚ޿‫ޕ‬࿑㧢 /QDKNG/+/#5 ߣߘߩࠪࠬ࠹ࡓ᭴ᚑ㧙㧙[5] ᧻᧛㧘ౝ⮮㧘Ꮉ↰㧘ዊᳰ㧦“⿥㜞♖⚦ᤋ௝ߩ╓ภൻല࡮ᰴ਎ઍᤋ௝વㅍ࡮╓ภൻᛛⴚߩ⎇ⓥ
 ࡐࠬ࠻ H.264 ߿ JPEG2000 ࠍ⷗ᝪ߃ߡ㧘DCT ߿ Wavelet₸ᡷༀࠍ⋡⊛ߣߒߚᦨᄢࡑࠢࡠࡉࡠ࠶ࠢࠨࠗ࠭᜛ᒛ
ဳ H㧚264 High Profile ╓ภൻᣇᑼ”㧘ᤋᖱࡔ⹹㧘vol㧚ᄌ឵ߣߪ⇣ߥࠆᣂߒ޿╓ภൻⷐ⚛ᛛⴚߩ⎇ⓥࠍⴕߥ߁‫ޕ‬61㧘no㧚5㧘pp㧚665-673㧘2007㧚5㧚⍴ᦼ⊛ߦߪ㧘H.264 㜞ᐲൻ߿ᄙⷞὐᤋ௝╓ภൻߩߚ߼ߩᅏⴕ߈ᖱႎ߿ࡕ࠺࡞ࡌ࡯ࠬߦࠃࠆⷞὐ⵬㑆ᛛⴚࠍᬌ⸛ߒ㧘[6] ⍹Ꮉ㧘࠹ࡋ࡜࠾㧘㈬Ỉ㧘ዊᳰ㧦“࠙ࠜ࡯ࠢࠬ࡞࡯ࠍታᓥ᧪ᣇᑼߦኻߔࠆᄢ᏷ߥല₸ᡷༀࠍ⋡ᜰߔ‫ޕ‬ട߃ߡ㧘ࡈ⃻ߔࠆߚ߼ߩ⥄↱ⷞὐᤋ௝วᚑᣇᑼ”,ାቇ⺰㧘D㧘࡜ࠢ࠲࡞㧔⥄Ꮖ⋧㑐ᕈ㧕߿ࡌࠢ࠻࡞㊂ሶൻߥߤߦߟ޿ߡ

vol.J92-D㧘no.6㧘pp.854-867, 2009.6.

[7]߽ᡷ߼ߡౣᬌ⸛ߒ㧘ᣂߒ޿╓ภൻᣇᑼߩ⎇ⓥ߽ㅴ߼ࠆ‫ޕ‬ ߹ߚ㧘ⷞ⡬⠪߇⷗ߚ޿ⷞὐ㧔଀߃߫㧘ࠨ࠶ࠞ࡯ߦ߅ߌ

A.Koike, S㧚Matsumoto㧘H㧚Kokubun㧦
̌Personal mobile

DTV cellular phone terminal developed for digitalterrestrial broadcasting with Internet services, Proc. ofࠆࠧ࡯࡞ࠠ࡯ࡄⷞ✢㧕߆ࠄߩᤋ௝ࠍⷞ⡬ߔࠆߎߣࠍน⢻IEEE, vol.94, no.1, pp. 281- 288, 2006.1.

ߣߔࠆ⥄↱ⷞὐ࠹࡟ࡆߩ⎇ⓥ㐿⊒ߦ㑐ߔࠆၮ␆⊛ߥ⎇ⓥ߿ߎߩߚ߼ߩᤋ௝╓ภൻߥߤߩ⎇ⓥࠍⴕߥ߁੍ቯߢ޽ࠆ‫ޕ‬[8] ዊᳰ㧦“៤Ꮺ┵ᧃߦ߅ߌࠆㅢା᡼ㅍㅪ៤ߩ዁᧪௝”㧘ᤋᖱࡔ⹹㧘vol㧚59㧘no㧚11㧘pp㧚1611-1615㧘2005㧚
11㧚

ෳ⠨ᢥ₂

[9] K㧚Matsuo㧘M㧚Hashimoto㧘A㧚Koike㧦“A Dictionary
Registration Method for Reducing Lighting Fluctuations[1] KDDI ⎇ⓥᚲ౏ᑼࡎ࡯ࡓࡍ࡯ࠫ

in Subspace Face Recognition”㧘Advances in Multimedia

㧔http://www.kddilabs.jp/㧕

Information Processing㧘PCM 2004㧘Part2㧘pp㧚593-600㧘

[2] A.Koike: ”ᩣᑼળ␠ KDDI ⎇ⓥᚲᤋ௝ㅢାࠣ࡞࡯ࡊ”㧘ାภಣℂ, vol.10, no.2, pp.121-128, 2006㧚3.

2004.11-12㧚

[10] ᧻የ㧘ᯅᧄ㧘ዊᳰ㧦“㗻⹺⼂ᛛⴚߩࠛࡦ࠲࡯࠹ࠗࡔ

[3] T㧚Akiyama㧘Y㧚Teranishi㧘K㧚Nozaki㧘S㧚Kato㧘S㧚
Shimojo㧘S㧚T㧚Peltier㧘A㧚Lin㧘T㧚Molina㧘G㧚ࡦ࠻߳ߩᔕ↪”㧘↹௝࡜ࡏ㧘ᣣᧄᎿᬺ಴

㧘vol㧚16㧘

no㧚12㧘pp㧚65-68㧘2005㧚12㧚Yang㧘D㧚Lee㧘M㧚Ellisman㧘S㧚Naito㧘 A㧚Koike㧘

S㧚Matsumoto㧘K㧚Yoshida㧘H㧚Mori㧦“Scientific Grid[11].Hashimoto, K㧚Matsuo㧘A㧚Koike㧘K㧚Suzuki㧘R㧚

Center, Osaka University”, Journal of Clinical Monitoringwith Secure Internet Access”, RSNA2005, infoRAD

Activities and PKI Deployment in the Cybermedia

Kuwatsuru㧦“ Mobile Viewer System on Cellular Phones

and Computing, vol. 19, no. 4-5, pp. 279-294㧘2005㧚10㧚

[4] ౝ⮮㧘૒㊁㧘ᷰㄝ㧘ዊᳰ㧘᧻ᧄ㧦“ૐㆃᑧ㜞ല₸ HDTV

વㅍߩߚ߼ߩ JPEG2000 ╓ภൻ೙ᓮߩᦨㆡൻ”㧘ାቇ

9713 NT-i, 2005.12.

[12] ଀߃߫㧘“๮ߣஜᐽ቞ࠆ᨞ߌᯅߦ”㧘ᦺᣣᣂ⡞╙ 3 㕙㧘
2007.9.9.

⺰㧘D-Τ㧘vol.J-88-D-Τ㧘no.12‫ޔ‬pp.2311-2320㧘2005-12.

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