Multimodal optical device to study dynamics of drying process
Imaging and quantification of the drying process find applications in many fields, including
the drying of paints. Measurement of different parameters during the drying process leads to …
the drying of paints. Measurement of different parameters during the drying process leads to …
A portable dynamic laser speckle system for sensing long-term changes caused by treatments in painting conservation
Dynamic laser speckle (DLS) is used as a reliable sensor of activity for all types of materials.
Traditional applications are based on high-rate captures (usually greater than 10 frames-per …
Traditional applications are based on high-rate captures (usually greater than 10 frames-per …
Numerical model for evaluating the speckle activity and characteristics of bone tissue under the biospeckle laser system
X Tang, P Zhong, Y Gao, H Hu - Journal of Innovative Optical Health …, 2021 - World Scientific
This paper discusses and studies the composition and characteristics of biospeckle on the
surface of bone tissues. We used a laser speckle device to capture biospeckle patterns from …
surface of bone tissues. We used a laser speckle device to capture biospeckle patterns from …
Characterization of topography hidden under paint by means of qualitative algorithms robust to the number of frames and non-uniform illumination
E Baradit, M Avendaño, G Cañas, M Yañez… - Optics and Lasers in …, 2022 - Elsevier
The use of qualitative algorithms in images with dynamic speckle allows generating a three-
dimensional intensity map, which correlates with the sample activity. Samples in an …
dimensional intensity map, which correlates with the sample activity. Samples in an …
Extraction of dynamic speckle activity information from digital holograms
N Budini, N Balducci, C Mulone… - Optical …, 2016 - spiedigitallibrary.org
In this work we show how dynamic speckle information can be extracted directly from digital
holograms. This allows improving the analysis and characterization of dynamic phenomena …
holograms. This allows improving the analysis and characterization of dynamic phenomena …
Method for examining a coating of a probe surface
R Doering, T Engelmann, M Freitag, S Behrens… - US Patent …, 2024 - Google Patents
Described herein is a method for examining a coating of a probe surface, including the steps
of providing sensing data indicative of a depth of the coating at each of a predetermined …
of providing sensing data indicative of a depth of the coating at each of a predetermined …
Comparative study of drying of adhesives on a plywood through dynamic speckle technique using image processing algorithms
In the present paper drying time of adhesives on a plywood have been found using image
processing algorithms such as Inertia moment and Absolute value difference at two different …
processing algorithms such as Inertia moment and Absolute value difference at two different …
Dynamic Laser Speckle Technique Sensing Long-Term Changes Caused by Painting Treatments in Restauration of Paintings
Dynamic laser speckle is applied as a reliable sensor of activity in all sort of material.
Traditional applications are based on a time rate that is usually higher than 10 frames-per …
Traditional applications are based on a time rate that is usually higher than 10 frames-per …