digital image/speckle correlation
Digital Image Correlation accuracy: influence of kind of speckle and recording setup
... Abstract. Digital Image Correlation (DIC) is a popular optical technique which allows the measurement of displacement and strain fields on an object surface showing a random speckle ...(called ...
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Digital image correlation: displacement accuracy estimation
... by Digital Image Correlation (DIC) is useful for the mechanical experimental analysis of structures or materials ...the correlation parameters chosen by the user and relative to the ...
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Universal optical setup for phase-shifting and spatial-carrier digital speckle pattern interferometry
... as digital speckle pattern interferometry (DSPI) [2, 3], digital image correlation [4], and Moiré method [5] have become preponderant methods in the measurement of deform- ation for ...
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Kriging regression in digital image correlation for error reduction and uncertainty quantification
... 167 | P a g e Plastikote, UK). The beam was securely clamped to an optical table as shown in Figure 7–8 and, in order to avoid errors caused by relative motions, the DIC system was also clamped to the table with the ...
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New nondestructive method based on spatial-temporal speckle correlation technique for evaluation of apples quality during shelf-life
... the digital speckle correlation (DSC) technique a mea- suring process is based on correlation analysis of a reference speckle pattern of the specimen in its initial state with ...
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Fast Adaptive Augmented Lagrangian Digital Image Correlation
... imgage correlation(DIC) infers the deformation from changes in the images of speckle ...the image conversion algorithms, it is useful to keep the relative deformation ...related digital volume ...
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Measurement of full-field deformation induced by a dc electrical field in organic insulator films
... Abstract. Digital image correlation method (DIC) using the correlation coefficient curve-fitting for full-field surface deformation measurements of organic insulator films is investigated in ...
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Brief communication: Full-field deformation measurement for uniaxial compression of sea ice using the digital image correlation method
... high-quality speckle pattern on the specimen surface becomes to some extent the most challenging ...random speckle pattern (Pan et ...the speckle pattern is an essen- tial prerequisite for our ...the ...
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The use of digital image correlation technique for monitoring masonry arch bridges
... sprayed speckle pattern applied to the specimen’s surface (in certain ...artificial speckle is not required for masonry, as the natural texture of the specimen’s surface has random grey intensity ...The ...
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Measurement Precision and Spatial Resolution with Kriging Digital Image Correlation
... The literature on measurement precision and spatial resolution is extensive. For example, some algorithms [14] to [16] are employed to generate synthetic images that mimic real patterns of displacement in both Fourier ...
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Measurement of in vitro cardiac deformation by means of 3D digital image correlation and ultrasound 2D speckle-tracking echocardiography
... 3D digital image correlation (3D-DIC), an optical-numerical method [5] , has become an important tool to characterise the mechanical behaviour of cardiovascular tissues [6] ...
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Development of a Digital Image Correlation controlled fatigue crack propagation experiment
... pixels digital camera is taking pictures of the sample plane surface with a speckle applied on ...the image acquisition is driven without stopping the tensile machine thanks to a very short ...
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... electronic speckle pattern interferometry [12-13]. In this method two speckle interferograms are recorded at different states of the object under study and the speckle patterns are electronically ...
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Denoising Of Ultra Sound Images Using Fuzzy Shrinkage Based Diffusion Filtering
... the image is smoothed more and more until it becomes a planar ...the image is evolved towards a step image and that is why it suffers from blocky ...
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Noncontact Deflection Distribution Measurement for Large Scale Structures by Advanced Image Processing Technique
... Figures 9(a) 9(c) show the grating images and the deflection distributions after vibration removal at left, center, and right positions, respectively. Figure 10 shows the measured deflection of the crane after loading. ...
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Different Types of Noises in Digital Image Processing: A Review
... We can calculate various parameters such as PSNR, MSE, and SSIM for measuring the quality of an image. By calculating the values of these parameters, we can find out how different noises can affect an image ...
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Appropriation of the ‘Witch’ Stigma as White Women's Self-Empowerment
... use Digital Image Correlation (DIC) to capture the full-field deformation and strain distribution over the surface at macro to micro scale ...[51,65–67]. Digital Image ...
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Correlation of Wood Coconut Quality to the Bundle Density in its Digital Image
... each image of coconut wood pieces can be taken in the middle as a sample image that can describe the state of the entire image ...The digital image samples used in this study are ...
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Damage Identification in Reinforced Concrete Beams using Digital Image Correlation
... A model was developed by Li and Ghrib (2010) to fully reconstruct the stiffness profile of a statically determinate beam by using the static displacement profile of the beam as input into a finite element model updating ...
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Monitoring of civil engineering structures using Digital Image Correlation technique
... The Digital Image Correlation (DIC) technique enables full field, non- contact measurements of displacements and strains of a wide variety of ...the correlation analysis, is also ...
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