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Stefan Siemens - Deep Homography Estimation for Micro-Topographic Measurement Data

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Stefan Siemens

Deep Homography Estimation for Micro-Topographic Measurement Data

Series: Berichte aus dem imr

Volume 01/2024 2024

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6. Conclusion and Outlook S. 143-146

„… of fields, including computervision and surface metrology. It provides a solution to the challenge of …” „… thesis contributes significantly to the fields of surface metrol-ogy and computer vision, broadening the …” „… application range of image registrationin optical surface metrology.1446.2 Outlook6.2 OutlookTo advance the …”

1. Introduction S. 1-10

„… surface metrology.In addition to the advantages of CNNs mentioned in Section 1.1, one notablebenefit is …” „… Chapter 1IntroductionSurface metrology, particularly optical metrology, has become an …” „… importance of surface metrology emerges. Surfacemetrology is vital in various domains, including …”

Bibliography S. 147-170

„… registration and fusion.The case of roughness measurements of a convex surface”, Metrology andMeasurement …” „… . doi: 10.3390/metrology2010004.[66] D.-H. Lee and N.-G. Cho, “Assessment of surface profile data …” „… direction analysis of micro-topographies using fractalgeometry”, Surface Topography: Metrology and …”

2. Foundational Concepts S. 11-52

„… methods.2.1 Surface MetrologySurface metrology focuses on measuring micro- to nano-scale features on …” „… Surface Metrology(a) Profile filtration (ISO 3274 [74]).(b) Areal filtration (ISO 25178 [83]).Figure 2.5 …” „… surface metrology, the chapter initially provides an overviewof topography measurement and …”

Titelei/Inhaltsverzeichnis

„… areasand utility of image registration.keywords: surface metrology, image registration, convolutional …” „… . . . . . . . . . . . . . . . . . . . . . . . 82 Foundational Concepts 112.1 Surface Metrology …” „… non-overlapping images.In conclusion, this work makes a significant contribution to surface metrologyand image …”

3. Experimental Setup S. 53-66

„… surfaces or measurement principles found in surface metrology or the typesof image data predominant outside …” „… techniques,and surface finishes. This diversity is showcased across Figures 3.5 through3.9. The varied …” „… roughness levels (Figure 3.7), thematerial-specific surface features (Figure 3.6), the distinct textures …”

4. Methods and Algorithms S. 67-102

„… Algorithmsimage noise. For planar surfaces, the nominal shape was removed by fitting aplane using the method of …” „… least squares. For curved surfaces, a second-orderpolynomial was fitted.Given the supervised learning …” „… metrology. Alternative strategies like transfer learning, few-shot learning,unsupervised learning, and …”

doi.org/10.51202/9783959009225

VDI Wissensforum GmbH - International Conference on Gears 2017

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VDI Wissensforum GmbH (ed.)

International Conference on Gears 2017

Series: VDI-Berichte

Volume 2294 2017

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G. Goch, K. Ni, Y. Peng, A. Günther Paradigm change in cylindrical gear metrology using areal measurement and evaluation S. 1025-1038

„… Paradigm change in cylindrical gear metrology using areal measurement and evaluation Gert Goch …” „… , Kang Ni, Yue Peng, Center for Precision Metrology (CPM), University of North Carolina at Charlotte …” „… clouds of gear flanks in a reasonable time. Other than in conventional gear metrology, these points …”

Titelei/Inhaltsverzeichnis

„… of gear tooth flanks: Search for an optimal 153 C. Peyrac, surface topography against the …” „… flank surface durability of gears with 173 T. Tobie, increased pressure angle K. Stahl Planetary Gear …” „… . Brecher, Influence of surface layer properties on tooth root 421 C. Löpenhaus, bending strength of …”

A. von Freyberg, A. Fischer Automatic geometry segmentation of involute flank regions S. 1015-1024

„… . Dr.-Ing. Andreas Fischer, University of Bremen, Bremen Institute for Metrology, Automation and Quality …” „… 6 Literature [1] Goch, G.: Gear metrology. CIRP Annals - Manufacturing Technology 52 (2003) 2, pp …” „… Zylinderrädern (3D-Surface-like Numerical Description, Alignment, and Evaluation of Involute Cylindrical Gears …”

doi.org/10.51202/9783181022948

VDI Wissensforum GmbH - International Conference on Gears 2019

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VDI Wissensforum GmbH (ed.)

International Conference on Gears 2019

Series: VDI-Berichte

Volume 2355 2019

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C. Lu, J. Wang, P. Yin Evaluation method of measuring software based on virtual gear measuring center S. 1173-1180

„… discussed as an example. The triangular involute surface was adopted to test the effects of motion errors …” „… ensures that the probe is near the upper tooth surface. The θ axis drives the measured gear to rotate …” „… measurement When measuring, the probe is along the normal direction of involute gear tooth surface and …”

A. Schiller, T. Beckmann, M. Fratz, T. Seyler, A. Bertz Optical gear measurement: holographic system for 100 % inspection S. 1545-1550

„… topography of a rough object surface with interferometric precision [1]. Over the past few years, Fraunhofer …” „… metrology. HoloGear measures each tooth flank of a gear with a precision approaching that of tactile …” „… gear features. Small defects like pins and scratches can be detected anywhere on the surface. It is …”

K. Lubke Virtual gauge for splined shaft-hub joints – Quality inspection and assembly of involute splines in the context of Industry 4.0 S. 1497-1508

„… ; Dr. rer. nat. Andreas Groh, algorithms and special geometries, Hexagon Metrology GmbH, Wetzlar …” „… ”. This is true concerning the impossibility to measure the whole flank surface with a measuring device …” „… . However, for the measured part of the flank surfaces there exist the virtual gauge method for splined …”

M. Pillarz, A. von Freyberg, A. Fischer Multisensory measurement of the base circle radius as a fundamental shape parameter of large gears S. 1207-1214

„… Metrology, Automation and Quality Science (BIMAQ), Bremen Abstract Standard gear measuring methods …” „… 0.059 ∙ 10 0.008 ∙ 10 The current state of the art in gear metrology is considered in view of the …” „… approaches for large gears can be found in the field of large volume metrology and follow the paradigm of …”

Titelei/Inhaltsverzeichnis

„… f Flank strength Influence of gear surface roughness on pitting and micropitting life …” „… tooth flank on the surface durability 15 A. Kubo …” „… ) 25 C. Brecher, C. Löpenhaus, F. Goergen M.Sc., WZL, Aachen Effect of surface characterization induced …”

P. L. Yin, J. H. Wang, C. X. Lu Digital twin of gear measuring center (dtgmc) S. 1521-1532

„… measurement uncertainty of complex curved surface[13]. Based on Taguchi experimental method, Vrba Iet al …” „… surface measured by generating method, polar coordinate method and rectangular coordinate method are …” „… measurement, in calibration of measuring equipment and in product verification [6] Goch G.: Gear Metrology …”

A.-K. Wiemann, M. Stein, K. Kniel Temperature influence on involute gear measurements S. 1557-1566

„… . Small manufacturing tolerances demand low measurement uncertainties in production metrology. A …” „… performed at exactly 20 °C, the international reference temperature for dimensional metrology. In this …” „… gears by means of dimensional metrology, it is of utmost importance to ensure traceability …”

U. Kissling, U. Stolz, A. Turich Combining gear design with manufacturing process decisions S. 1533-1544

„… for hardened gears. The quality and surface roughness which can be achieved are perfectly adequate …” „… important. These new, smart systems include gear design, process simulation, manufacturing and metrology …”

J. Neufond, E. Rigaud, J. Perret-Liaudet, A. Carbonelli Influence of tooth profile modifications on the dynamic behavior of a planetary gear set – Experimental investigation and numerical validation for different amplitudes of tooth profile modifications S. 765-776

„… [2-4]. The STE mainly results from tooth deflections, tooth surface modifications and manufacturing …” „… metrology reports. The dynamic response is computed using a method described in [6]. The computational …”

doi.org/10.51202/9783181023556

VDI Wissensforum GmbH - Drivetrain for Vehicles 2017

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VDI Wissensforum GmbH (ed.)

Drivetrain for Vehicles 2017

Series: VDI-Berichte

Volume 2313 2017

Results in this title

G. Goch, Y. Peng, K. Ni, A. Günther Optical and areal measurements and evaluations of cylindrical gears S. 31-32

„… Ni, Center for Precision Metrology (CPM), University of North Carolina at Charlotte (UNCC …” „… . Other than in conventional gear metrology, these points cover the whole flank instead of only one …” „… (CMMs) has been a dominant method over the past decades in gear metrology [1]. Line oriented …”

doi.org/10.51202/9783181023136

VDI Wissensforum GmbH - Messunsicherheit praxisgerecht bestimmen – Prüfprozesse in der industriellen Praxis 2021

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VDI Wissensforum GmbH (ed.)

Messunsicherheit praxisgerecht bestimmen – Prüfprozesse in der industriellen Praxis 2021

Series: VDI-Berichte

Volume 2390 2021

Results in this title

Z. Jiao, G. Dai, R. Tutsch Investigation of the measurement uncertainty in the 2D-instrument transfer function (ITF) characterization of areal surface topography measuring instruments S. 361-366

„… and focus variation microscopy have been widely applied for surface metrology with advantages of fast …” „… ) characterization of areal surface topography measuring instruments M.Sc. Z. Jiao, Dr.-Ing. G. Dai, Prof. Dr …” „… Datenauswertungssoftware, werden erfolgreich untersucht. 1. Introduction Surface topography plays an important role in …”

Titelei/Inhaltsverzeichnis

„… ), Budapest, Ungarn; M. Rozikova, M. Vičarova, Czech Metrology Institute (CMI), Brno, Tschechien; L. C …” „… . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223 D. Imkamp, Carl ZEISS Industrielle Messtechnik, Oberkochen; A. Martin, HEXAGON Metrology GmbH …” „… ) characterization of areal surface topography measuring instruments …”

J. Degenhardt, G. Dai, R. Tutsch Praxisorientierte, simulative Abschätzung von Unsicherheiten komplexer Messsysteme S. 63-74

„… International Graduate School of Metrology B-IGSM. Literatur [1] ISO/IEC Guide 98-3:2008-09 Messunsicherheit …” „… , surface reconstruction, and tip estimation, Journal of Research of the National Institute of Standards …”

doi.org/10.51202/9783181023907

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