Deep learning-based robust analysis of laser bio-speckle data for detection of fungal-infected soybean seeds

N Kaler, V Bhatia, AK Mishra - IEEE Access, 2023 - ieeexplore.ieee.org
Seed-borne diseases play a crucial role in affecting the overall quality of seeds, efficient
disease management, and crop productivity in agriculture. Detection of seed-borne diseases …

Development of an intelligent laser biospeckle system for early detection and classification of soybean seeds infected with seed-borne fungal pathogen …

P Singh, A Chatterjee, LS Rajput, S Rana… - Biosystems …, 2021 - Elsevier
There is a need for develo** rapid and non-destructive techniques for the early detection
of seed-borne fungal pathogen because they can be an essential step towards adopting …

Impact damage characterization in CFRP samples with self-organizing maps applied to lock-in thermography and square-pulse shearography images

BB Schwedersky, BCF de Oliveira, A Albertazzi… - Expert Systems with …, 2022 - Elsevier
This paper proposes an approach based on self-organizing maps (SOMs) to characterize
defects in optical lock-in thermography (LT) and square-pulse shearography (SPS) images …

Nondestructive testing of thin composite structures for subsurface defects detection using dynamic laser speckles

ZT Nazarchuk, LI Muravsky, OG Kuts - Research in Nondestructive …, 2022 - Taylor & Francis
ABSTRACT A novel nondestructive testing method for subsurface defects detection in thin
composite structures using dynamic laser speckles is proposed. In this method, a laminated …

Laser biospeckle method for a fast and reliable microbioassay

A Devi, H Kadono, UM Rajagopalan - Applied Optics, 2024 - opg.optica.org
<? TeX 2pc 0pt?><? TeX 4pc 0pt?> Recently, the<? TeX 6pc 0pt?> direct toxicity
assessment (DTA) approach or bioassay has attracted much attention, as it can …

Study of hygroscopic properties of the mixture of porous and non-porous materials by using optical techniques

RD Mojica Sepúlveda, LJ Mendoza Herrera, M Muñoz… - Applied Physics B, 2024 - Springer
The hygroscopicity of urea/diatom compounds was investigated using the dynamic speckle
technique, alongside the study of textural properties through nitrogen sorption. The speckle …

To the problem of the subsurface defects detection: theory and experiment

Z Nazarchuk, L Muravsky, D Kuryliak - Procedia Structural Integrity, 2019 - Elsevier
We solve the problem of normal waves diffraction in an elastic layer rigidly connected with
interface on an interface crack under the action of antiplane dynamic loading. The Wiener …

Methods for Processing and Analyzing the Speckle Patterns of Materials Surface

Z Nazarchuk, L Muravsky, D Kuryliak - Optical Metrology and …, 2023 - Springer
Study of the stress–strain state of structural materials using an optical-digital speckle
correlation (ODSC) method and digital image correlation (DIC) technique are discussed in …

Detection of subsurface defects in composite panels using dynamic speckle patterns

L Muravsky, O Kuts, G Gaskevych… - 2019 XIth International …, 2019 - ieeexplore.ieee.org
A new method for subsurface defects detection in multilayer composites is proposed. It is
based on estimation of dynamic speckle motion in different surface areas of a studied …

Improvement of activity level detection in dynamic speckle patterns with fuzzy logic operators

NI Echeverría, EGC Ayala, MN Guzmán… - Journal of …, 2022 - iopscience.iop.org
In this work, the design of a multi-descriptor model is proposed to improve the identification
of activity levels in dynamic laser speckle (DLS) image sequences. Fuzzy predicates …