Digital image correlation through image registration in the frequency domain

F Barros, PJ Sousa, PJ Tavares… - The Journal of Strain …, 2018 - journals.sagepub.com
The present work analyses displacement field computations for several digital image
correlation test cases obtained through the application of image registration in the Fourier …

Accelerate multi-thread path-dependent digital image correlation by minimizing thread competition for real-time deformation measurement

J Shuai, J Zhao, L Lei, P Zeng, X Wu, L Sun - Optics and Lasers in …, 2018 - Elsevier
With the increasing demands on the real-time measurement using digital image correlation
(DIC), the fast and ultra-fast computation are attracting much more attention from academic …

Robust sub-micrometer displacement measurement using dual wavelength speckle correlation

M Farsad, C Evans, F Farahi - Optics Express, 2015 - opg.optica.org
The unique characteristics of speckle correlation techniques including simple setup and fast,
non-contact, high resolution measurement capability offer great potential for industrial …

Strain and mechanical properties of the VCM multilayer sheet and their composites using the digital speckle correlation method

D Zhang, G Xie, Y Li, J Liu - Applied Optics, 2015 - opg.optica.org
The digital speckle correlation method (DSCM) is introduced to solve the challenging
problems in the related geometric measurement. Theoretical calculations of strain are …

Robust block-matching algorithm for motion estimation using an anti-interference similarity criterion and the bilateral optimization scheme

S Pang, X Zhang, H Li, Y Lu - Applied Optics, 2021 - opg.optica.org
As an essential component in applications such as video coding, autonomous navigation,
and surveillance cameras, efficient and robust motion estimation is always required. This …

A DFT-based method for 3D digital image correlation

F Barros, PJ Sousa, PJ Tavares… - Procedia Structural Integrity, 2017 - Elsevier
The present work describes an approach to digital image correlation (DIC) which is based
on calculations performed on the image Fourier domain. The developed method uses the …

Digital speckle photography of subpixel displacements of speckle structures based on analysis of their spatial spectra

LA Maksimova, PV Ryabukho, NY Mysina… - Optics and …, 2018 - Springer
We have investigated the capabilities of the method of digital speckle interferometry for
determining subpixel displacements of a speckle structure formed by a displaceable or …

[HTML][HTML] Цифровая спекл-фотография с корреляционной обработкой пространственного спектра спеклограммы для определения микросмещений …

ЛА Максимова, ПВ Рябухо, НЮ Мысина… - … . Новая серия. Серия …, 2015 - cyberleninka.ru
Рассматривается метод цифровой спекл-фотографии для определения смещения
спекл-структуры с субпиксельной точностью, вызываемого перемещением или …

Determination of subpixel microdisplacements of speckle structure using the phase shift of spatial spectrum field

LA Maksimova, PV Ryabukho, NY Mysina… - Technical Physics, 2017 - Springer
An experimental method for measurement of subpixel microdisplacements of speckle
structure based on the parameters of the linear phase shift in the field of the complex spatial …

Sub-Pixel Processing of the Digital Images of the Remote Sensing of the Earth

DV Fetisov, AN Kolesenkov, OA Bodrov… - 2019 8th …, 2019 - ieeexplore.ieee.org
Modern tools of obtaining digital images of remote sensing of the Earth are considered. The
technologies used in the formation and transfer of satellite images to high-performance …