Development of 2-D Displacement Sensors by Using 2-D Angle Grid and 2-D Angle Sensors.
نویسندگان
چکیده
منابع مشابه
Development of 2-d Displacement Sensors by Using 2-d Angle Grid and 2-d Angle Sensors
This paper presents a newly developed displacement sensor system. Interferometers or linear encoders are normally used to monitor the motion of precision stages. However, these sensors operate in one dimension only. Hence, if the device has multiple degrees of freedom, the number of sensors required to monitor its motion must be the same as the number of degrees of freedom. This adds complexity...
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| We present two compact CMOS integrated circuits for computing the 2D local direction of motion of an image focused directly onto the chip. These circuits incorporate onboard photoreceptors and focal plane motion processing. With fully functional 14 13 and 12 13 implementations consuming less than 50 W per pixel, we conclude that practical pixel resolutions of at least 64 64 are easily achieva...
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Optical ow elds are a primary source of information about the visual scene in technical and biological systems. In a step towards a system for real time scene analysis we have developed two new algorithms for the parallel computation of the direction of motion eld in 2-D. We have successfully implemented these algorithms in analog VLSI hardware such that all processing is performed in the focal...
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ژورنال
عنوان ژورنال: Journal of the Japan Society for Precision Engineering
سال: 2000
ISSN: 1882-675X,0912-0289
DOI: 10.2493/jjspe.66.272