Results 1 to 10 of about 800,327 (296)
Pixel-level robust digital image correlation [PDF]
Optics Express, 2013 Digital Image Correlation (DIC) is a well-established non-contact optical metrology method. It employs digital image analysis to extract the full-field displacements and strains that occur in objects subjected to external stresses. Despite recent DIC progress, many problematic areas which greatly affect accuracy and that can seldomly be avoided ...
Cofaru, Corneliu +2 more
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Gradient Correlation Functions in Digital Image Correlation [PDF]
Applied Sciences, 2019 The performance of seven different correlation functions applied in Digital Image Correlation has been investigated using simulated and experimentally acquired laser speckle patterns. The correlation functions were constructed as combinations of the pure
Mikael Sjödahl
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Stereo Digital Image Correlation in MATLAB [PDF]
Applied Sciences, 2021 Digital Image Correlation (DIC) has found widespread use in measuring full-field displacements and deformations experienced by a body from images captured of it.
Devan Atkinson, Thorsten Hermann Becker
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Digital Image Correlation-Based Bolt Preload Monitoring [PDF]
SensorsBolt connections are widely used in engineering structures but are susceptible to loosening during operation, which can result in significant safety concerns. Consequently, reliable bolt-loosening detection is of paramount importance.
Linsheng Huo +4 more
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Speckle pattern processing by digital image correlation [PDF]
MATEC Web of Conferences, 2016 Testing the method of speckle pattern processing based on the digital image correlation is carried out in the current work. Three the most widely used formulas of the correlation coefficient are tested.
Gubarev Fedor +3 more
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Meta-lens digital image correlation
Opto-Electronic AdvancesWith the same level of measurement accuracy, more portable and miniaturized measurement systems will have greater advantages, providing users with more flexible and convenient measurement solutions.
Zhou Zhao +11 more
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Reconstruction of Cylindrical Surfaces Using Digital Image Correlation [PDF]
Sensors, 2018 A technique for the reconstruction of cylindrical surfaces using optical images with an extension of least squares matching is presented. This technique is based on stereo-image acquisition of a cylindrical object, and it involves displacing the camera ...
Adilson Berveglieri +1 more
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An Adaptive Brightness Global Digital Image Correlation Method for Deformation Measurement Using Overexposed Images [PDF]
SensorsIn deformation measurements, processing overexposed images poses challenges due to the welding process or metal reflection. To track the deformation surface, an Adaptive Brightness Global Digital Image Correlation method is proposed. First, the effective
Chunyuan Gong, Boxing Qian, Qianhai Lu
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Digital Image Correlation Employing Thermal Marking
Physical Sciences Forum, 2022 Digital image correlation (DIC) is a widely used technique that makes it possible to obtain full field displacements, as well as 3D shapes, even at high speeds. However, it requires a pattern of random spots to be sprayed onto the surface, which would be
Luis Felipe-Sesé +4 more
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Measurement and simulation of strain fields around crack tips under mixed-mode fatigue loading [PDF]
Fracture and Structural Integrity, 2015 For various configurations examined in a series of fatigue experiments on thin-walled tubes under tension and torsion, the experimental results – crack path, crack growth life, near crack tip deformations, and crack closure – are measured and compared to
Y. Hos, M. Vormwald, J.L.F. Freire
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