D. Stoppa, L. Viarani, A. Simoni, L. Gonzo, M. Malfatti
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引用次数: 4
摘要
本文介绍了一种基于多脉冲间接飞行时间(ITOF)和光学三角测量(OT)技术的三维测量线性阵列的设计和特性。该128像素阵列采用标准的0.35-/spl mu/m, 3.3 v CMOS技术制造，芯片尺寸为4.5/spl times/3.3 mm/sup 2。/在2-8米范围内成功地进行了合作目标的距离测量，在ITOF模式下，最坏情况下精度优于4厘米。初步测试也证实了OT模式的有效性，报告深度分辨率为100 /spl μ m /m。
A new architecture for TOF-based range-finding sensor
This paper describes the design and characterization of a linear array for 3D measurements based on both multiple-pulse indirect-time-of-flight (ITOF) and optical triangulation (OT) techniques. The 128-pixel array has been fabricated in a standard 0.35-/spl mu/m, 3.3-V CMOS technology and the chip dimensions are 4.5/spl times/3.3-mm/sup 2./ The distance measurement with cooperative targets in the 2-8 m range has been successfully performed with a worst case precision better than 4 cm in the ITOF modality. Preliminary test confirmed also the validity of the OT mode, reporting a depth resolution of 100 /spl mu/m at 1 m.
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