2013 Fiscal Year Final Research Report
High-speed, Accurate 3D range finding system tolerant against ambient illumination
| Project/Area Number |
23360147
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Electron device/Electronic equipment
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| Research Institution | The University of Tokyo |
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Principal Investigator |
IKEDA Makoto 東京大学, 工学(系)研究科(研究院), 教授 (00282682)
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| Project Period (FY) |
2011-04-01 – 2014-03-31
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| Keywords | 三次元形状計測 / 光切断法 / ＴＯＦ / 背景光抑圧 / 検波回路 / ＲＯＩ |
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| Research Abstract |
We investigated 3-D range-finding techniques with ambient illumination robustness. We introduced demodulation technique into light-section method, and with design optimization, we demonstrated -40dB background-light suppression performance by simulation. We have designed time-encoded 2-D pattern projection method with ambient illumination rejection techniques, and fabricated using advanced 65nm CMOS technology. We demonstrated dynamic range over 80dB with background suppression of -21dB. We also demonstrated 10 rangemap/sec 3-D range-finding performance at SBR or -5.5dB.
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