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高速プロジェクタの衝撃東京大学 渡辺義浩
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なぜプロジェクタを高速化するのか
I N T R O D U C T I O N
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OUR MISSION
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REACTIONSENSING
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秒間1,000回
SPEED
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Color, 3D shape,
3D motion, Reflectance, etc
REACTIONSENSING高 速 に 実 世 界 を 把 握 す る 高 速 に 実 世 界 を 制 御 す る
Projector
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プロジェクタに求められるもの
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L IGHT MATTER PERCEPTION
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L IGHT MATTER PERCEPTION
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U S E R I N T E R F A C E
P R O J E C T I O N M A P P I N G
C O M P U T E RV I S I O N
Materiable (2016) TOKYO STATION VISION (2012) 3D Scanner by Texus Instruments
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プロジェクタに求められるもの
光で知覚上の現実を変質させる
自然・アンビエント・調和
light perception matter
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L IGHT MATTER PERCEPTION
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HIGH-SPEEDPROJECTION & SENSING
O U R M I S S I O N
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SENSING PROJECTION
1,000fps
30-120fps
Low Frame RateHigh Latency
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100ms delay 10ms delay 1ms delay
Human can perceive6.04ms projection delay [Ng, et al. 2012]
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高速プロジェクタDynaF la sh
8 - b i t i m a g e p r o j e c t o r a t 1 , 0 0 0 f p s w i t h 3 m s d e l a y
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ダイナミックプロジェクションマッピング
d i g i t a l t e x t u r e
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リアリスティックディスプレイ
p e r c e p t u a l r e a l i t y
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COMPUTERGRAPHICS
STOPMOTION
http://www.telyuka.com/
YouTube: Kubo and the Two Strings: Behind the Scenes Time Lapse
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運動視差
光線再現
裸眼
両眼融合
L IMITATIONS
提示したい実物体をそのまま利用しては?
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光で知覚上の現実を変質させるlight perception matter
COMPUTATIONAL ILLUMINATION
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28P a g e
臨界融合周波数
PERSISTENCE OF VISION
空間融合 時間融合
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さいごにC O N C L U S I O N
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L IGHT MATTER PERCEPTION
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PROJECTOR &SPEED
K E Y P O I N T 1
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K E Y P O I N T 2
PROJECTOR &SOCIETY
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PROJECTOR &REALITY
K E Y P O I N T 3
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Researches are done by
Doctor Course: L. Miyashita
Master Course: G. Narita, T. Yoshida, S. Tatsuno
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WEBhttp://www.k2.t.u-tokyo.ac.jp/
YouTubehttps://www.youtube.com/user/IshikawaLab
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38P a g e
高速プロジェクタの衝撃Strong Impact by High-speed Projector
プロジェクションディスプレイ技術研究会