Search Results - "Albertazzi, Armando"

Influences in the residual stress computation by the contour method when a partial part of the measured cross section is applied as contour by Viotti, Matias R., Albertazzi, Armando

“…The contour method has been used for the residual stress analysis of whole cross sections affected by the cutting process. In some cases, the evaluation in a…”
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Full-field optical metrology in polar and cylindrical coordinates by Albertazzi G, Armando, Viotti, Matias

“…There are a large number of engineering measurement demands that can be very well met with optical methods. Among them, there are some that deal with circular…”
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Improved impact damage characterisation in CFRP samples using the fusion of optical lock-in thermography and optical square-pulse shearography images by de Oliveira, Bernardo C.F., Nienheysen, Philipp, Baldo, Crhistian R., Gonçalves, Armando Albertazzi, Schmitt, Robert H.

“…Image fusion methods with optical lock-in thermography (OLT) and optical square-pulse shearography (OSS) images are proposed to characterise impact damages in…”
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Multiple-aperture one-shot shearography for simultaneous measurements in three shearing directions by Barrera, Estiven Sánchez, Fantin, Analucia Vieira, Willemann, Daniel Pedro, Benedet, Mauro Eduardo, Albertazzi Gonçalves Jr, Armando

“…•A new shearography configuration to simultaneously acquire images of a specimen in three different shearing directions.•Shearography with multiple shearing…”
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Construction of small sets of reference images for feature descriptors fitting and their use in the multiclassification of parts in industry by Fröhlich, Herberth Birck, Grozmani, Natalia, Wolfschläger, Dominik, Goncalves, Armando Albertazzi, Schmitt, Robert H.

“…Industry 4.0 requires flexible and fast solutions to automatically identify and handle different parts during the production process. For such a…”
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Noise Analysis Directly on Shearography Wrapped Phase Maps by Staub, Diego, Fantin, Analucia V., Willemann, Daniel P., Benedet, Mauro E., Cabral, Thiago Destri, d'Almeida, Ana Lucia F. S., Armando Albertazzi, G.

“…Shearography is a contactless, full-field, and laser-based optical nondestructive testing (NDT) method capable of measuring deformation fields. However, due to…”
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Two procedures for out-of-plane displacement calculation in simultaneous shearography images by Felipe, Diego Staub, de Bortoli, Tiago Junior, Fantin, Analucia Vieira, Willemann, Daniel Pedro, Benedet, Mauro, Lenzi, Arcanjo, Gonçalves, Armando Albertazzi

“…•Alternative methods for phase maps integration.•The methods are able to determine the complete out-of-plane displacement field.•Theoretical and experimental…”
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Estimation of Impact Energies in Composites Using an Out-of-Distribution Generalization of Stacked Models Trained with Shearography and Thermography Images by Fröhlich, Herberth Birck, de Oliveira, Bernardo Cassimiro Fonseca, Gonçalves, Armando Albertazzi

“…Shearography and thermography are two well-established nondestructive testing methods. Yet, both methods present high subjectivity in the interpretation of…”
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Evaluation of a novel compact shearography system with DOE configuration by da Silva, Fabio Aparecido Alves, Willemann, Daniel Pedro, Fantin, Analucia Vieira, Benedet, Mauro Eduardo, Gonçalves, Armando Albertazzi

“…•A new shearography system with DOE configuration, to operate in unstable environments, is proposed.•DOE is positioned between the image sensor and the…”
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Experimental comparison between a portable DSPI device with diffractive optical element and a hole drilling strain gage combined system by Viotti, Matias R., Albertazzi, Armando G., Kapp, Walter

“…This paper presents a portable device to measure residual stress fields outside the optical bench. This system combines the hole drilling technique with…”
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Trinocular stereo system with object space oriented correlation for inner pipe inspection by Haertel, Maryah Elisa Morastoni, da Costa Pinto, Tiago Loureiro Figaro, Gonçalves Júnior, Armando Albertazzi

“…•Trinocular stereo vision for inner geometry pipe inspection.•Cameras symmetrically positioned with respect to the pipe axis for better sensitivity…”
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Automation of the processes of surface measurement and of deposition by welding for the recovery of rotors of large-scale hydraulic turbines by Bonacorso, Nelso Gauze, Gonçalves, Armando Albertazzi, Dutra, Jair Carlos

“…Large-scale hydraulic turbines of electric power plants usually present erosion due to cavitation. Periodically they need to be repaired through material…”
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Phase Maps Retrieval from Sequences of Phase Shifted Images with Unknown Phase Steps Using Generalized N-Dimensional Lissajous Figures-Principles and Applications by Albertazzi, Armando, Fantin, Analucia V., Willemann, Daniel P., Benedet, Mauro E.

“…This article presents an alternative approach for retrieving phase information from a sequence of images with unknown phase shifts. A sequence of five or more…”
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Processing of noised residual stress phase maps by using a 3D phase unwrapping algorithm by Viotti, Matias R., Fantin, Analucia V., Albertazzi, Armando, Willemann, Daniel P.

“…The measurement of residual stress by using digital speckle pattern interferometry (DSPI) combined with the hole drilling technique is a valuable and fast tool…”
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The use of Shearography technique to evaluate polymeric composite repairs - case study by Benedet, Mauro Eduardo, Fantin, Analucia Vieira, Willemann, Daniel Pedro, Gonçalves Júnior, Armando Albertazzi, Schmitz, Claudio Ramos, d'Almeida, Ana Lúcia Fampa Seabra, Soares, Sérgio Damasceno, Lana, Luiz Daniel Montenegro, Perrut, Valber Azevedo

“…ABSTRACT Pipelines are subject to a variety of defects such as wall thickness loss, grooves, dents and holes. To restore the pipe integrity, polymeric…”
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Residual stress measurement using a radial in-plane speckle interferometer and laser annealing: preliminary results by Viotti, Matı́as R., Sutério, Ricardo, Albertazzi, Armando, Kaufmann, Guillermo H.

“…This paper presents a combined system based on digital speckle pattern interferometry and laser annealing to determine residual stresses in ductile materials…”
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Defect classification in shearography images using convolutional neural networks by Frohlich, Herberth Birck, Fantin, Analucia Vieira, de Oliveira, Bernardo Cassimiro Fonseca, Willemann, Daniel Pedro, Iervolino, Lucas Arrigoni, Benedet, Mauro Eduardo, Goncalves Junior, Armando Albertazzi

“…High subjectivity, lack of attention and fatigue are factors inherent to human analysis in inspection activities such as shearography, a non-destructive…”
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Impact damage characterization in CFRP samples with self-organizing maps applied to lock-in thermography and square-pulse shearography images by Schwedersky, Bernardo B., de Oliveira, Bernardo C.F., Albertazzi, Armando, Flesch, Rodolfo C.C.

“…This paper proposes an approach based on self-organizing maps (SOMs) to characterize defects in optical lock-in thermography (LT) and square-pulse shearography…”
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Residual stress measurements in steel pipes using DSPI and the hole-drilling technique by Lothhammer, Livia R., Viotti, Matias R., Albertazzi, Armando, Veiga, Celso L.N.

“…The oil and gas industry employs long distance pipelines to simplify the transport logistic and to reduce the final costs of petroleum derivatives. For the…”
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Regular mesh measurement of large free form surfaces using stereo vision and fringe projection by Pinto, Tiago, Kohler, Christian, Albertazzi, Armando

“…The paper presents a new approach to measure 3D points into a single intrinsically structured regular mesh. The developed system merges stereo vision and…”
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