Feb 24, 2016 · Abstract: This paper presents a vision-based probabilistic absolute position sensor, which is able to operate on spacious technical surfaces ...
Dec 17, 2021 · The coherent light of the laser allows observation of Objective Laser Speckle Pattern with high contrast from technically smooth surfaces. core.
A vision-based probabilistic absolute position sensor, which is able to operate on spacious technical surfaces without the modification of the surface, ...
Instead of using artificial surface markings, the surface structure itself is used to generate objective laser speckle patterns (OLSPs), which are observable on ...
Oct 22, 2024 · The proposed sensor uses a Particle Filter to measure the absolute position within an once-only learned global feature map with low memory ...
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Oct 22, 2024 · Unlike traditional absolute position sensors , it does not require an expensive physical length scale; instead, it uses a laser speckle image ...
This converts the image sensor into a zero-detector, what considerably improves the speckle pattern correlation over a significantly extended measurement range.
Dec 17, 2021 · This contribution presents a concept for an optical absolute position sensor based on a Particle Filter (PF), operating perpendicular to an ...
Probabilistic absolute position sensor based on objective laser speckles. R Paris, M Melik-Merkumians, G Schitter. IEEE Transactions on Instrumentation and ...
The laser speckle-based absolute position sensor, in particular, has advantages in terms of simple system configuration and high measurement accuracy. Unlike ...