Results 131 to 140 of about 939,500 (173)

Estimating Perturbations to Laser Position on Tissue for Lissajous Scanning in Endomicroscopy

2020 IEEE/ASME International Conference on Advanced Intelligent Mechatronics (AIM), 2020
This paper proposes an algorithm to reduce motion artifacts in Lissajous-scanned images taken from a custom-built endomicroscope based on microelectromechanical system (MEMS) laser scanning. The proposed algorithm uses an extended Kalman Filter to estimate uncertain perturbation to the position of the scanner relative to tissue during the Lissajous ...
Thomas D Wang, Haijun Li, Kenn R Oldham
exaly   +2 more sources

Design of a dual-tone controller for Lissajous-based scanning of fast steering mirrors

open access: yes2016 American Control Conference (ACC), 2016
Fast steering mirrors (FMSs) are used in various applications like optical scanning of surfaces, feature detection or beam steering for optical communication systems. This paper introduces Lissajous scan trajectories to improve the tracking performance of a commercial FSM scanning system.
Ernst Csencsics   +2 more
core   +4 more sources

Variable Structured Illumination Using Lissajous Scanning MEMS Mirror

2018 International Conference on Optical MEMS and Nanophotonics (OMN), 2018
We report the realization of variable structured illumination using a controlled Lissajous scanning MEMS mirror. The MEMS mirror was electrostatically operated at pseudo-resonant frequencies within the bandwidth. The pattern density was controlled by selecting the scanning frequencies with the greatest common divisor (GCD) greater than 1.
Yeong-Hyeon Seo   +2 more
exaly   +2 more sources

Lissajous Hierarchical Local Scanning to Increase the Speed of Atomic Force Microscopy

IEEE Nanotechnology Magazine, 2015
Atomic force microscopy (AFM) is a highly useful instrument for material inspection, capable of scanning conductive and nonconductive samples without any restrictions as to the environment in which it is applied. This technique has, therefore, become an indispensable tool for measurement at the micro-/nanoscale. However, raster scanning in conventional
Jim-Wei Wu, Li-Chen Fu, Wei-Chih Liu
exaly   +2 more sources

Modified Phase-Offset-Driven Lissajous Scanning Endomicroscopy With a Polyimide-Film-Based Frequency Separator

open access: yesIEEE/ASME Transactions on Mechatronics, 2022
This article presents a Lissajous scanning confocal endomicroscopy comprising an easily manufacturable thin polyimide (PI) film and modified phase-offset-driven scanning.
Cheol Song, Jintaek Im, Yeonhee Chang
exaly   +2 more sources

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