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Pulse-based 2-D motion sensors

机译:基于脉冲的二维运动传感器

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摘要

We present two compact CMOS integrated circuits for computing the two-dimensional (2-D) 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 50μW per pixel, we conclude that practical pixel resolutions of at least 64×64 are easily achievable. Measurements characterizing the elementary one-dimensional motion detectors arepresented along with a discussion of 2-D performance and example 2-D motion vector fields. As an example application of the sensor, it is shown that the array as fabricated can directly compute the focus of expansion of a 2-D motion vector field.
机译:我们介绍了两个紧凑的CMOS集成电路,用于计算直接聚焦在芯片上的图像的二维(2-D)局部运动方向。这些电路集成了板载光感受器和焦平面运动处理。由于功能齐全的 14×13 和 12×13 实现每个像素的功耗低于 50μW,我们得出结论,至少 64×64 的实际像素分辨率是很容易实现的。表征基本一维运动检测器的测量结果,以及对二维性能和二维运动矢量场示例的讨论。作为传感器的示例应用,表明所制造的阵列可以直接计算二维运动矢量场的扩展焦点。

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