High-Sensitivity and Wide-Dynamic-Range Position Sensor Using Logarithmic-Response and Correlation Circuit
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概要
- 論文の詳細を見る
We propose a high-sensitivity and wide-dynamic-range position sensor using logarithmic-response and correlation circuit. The 3-D measurement system using the proposed position sensor has advantages to applications, for example a walking robot and a recognition system on vehicles, which require both of availability in various backgrounds and safe light projection for human eyes. The position sensor with a 64 × 64 pixel array has been developed and successfully tested. We describe the sensitivity of position detection as SBR (Signal-to-Background Ratio). The minimum SBR of the sensor is -13.9dB lower than standard sensors. High sensitivity under -10dB SBR is realized in a dynamic range of 41.7dB in terms of background illumination. Experimental results of position detection and 3-D measurement in a strong background illumination are also presented.
- 社団法人電子情報通信学会の論文
- 2002-08-01
著者
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Ikeda Makoto
Faculty Of Engineering And Vlsi Design And Education Center (vdec) The University Of Tokyo
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Ikeda M
Faculty Of Engineering And Vlsi Design And Education Center (vdec) The University Of Tokyo
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Asada Kunihiro
Faculty Of Engineering And Vlsi Design And Education Center (vdec) The University Of Tokyo
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Asada K
Department Of Electonics Engineering Graduate School Of Engineering The University Of Tokyo
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Asada K
Faculty Of Engineering And Vlsi Design And Education Center (vdec) The University Of Tokyo
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OIKE Yusuke
Faculty of Engineering, and VLSI Design and Education Center (VDEC), the University of Tokyo
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Oike Yusuke
Faculty Of Engineering And Vlsi Design And Education Center (vdec) The University Of Tokyo
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