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Efficient Image-Space Extraction and Representation of 3D Surface Topography [article]

Matthias Zeppelzauer, Markus Seidl
2015 arXiv   pre-print
In his paper, we present an efficient image-space technique for the extraction of surface topography from high-resolution 3D reconstructions.  ...  High-resolution 3D scanning techniques developed recently enable the 3D reconstruction of surfaces including their surface topography.  ...  CONCLUSION We have presented an efficient image-space method for the extraction of surface topography from high-resolution 3D reconstructions.  ... 
arXiv:1504.08308v3 fatcat:ma3if2vrh5h4fegeti4ptmx44e

Automated bullet-identification system based on surface topography techniques

F. Xie, S. Xiao, L. Blunt, W. Zeng, X. Jiang
2009 Wear  
More recently, approaches based on 3D digital representations of evidence surface topography have started to appear, both in research and industrial products.  ...  Potentially the introduction of 3D surface topography measurement can overcome the limitations of digital imaging systems by making the bullet surface measurement reproducible and reliable.  ...  The introduction of 3D surface topography measurement can solve the limitations of digital imaging system by making the bullet surface measurement reproducible and reliable.  ... 
doi:10.1016/j.wear.2008.04.081 fatcat:47yagruncnexrn27mw53wvmbc4

Large-Scale Dynamic Terrain in Three-Dimensional Construction Process Visualizations

Vineet R. Kamat, Julio C. Martinez
2005 Journal of computing in civil engineering  
The writers present efficient methods and a tool, ViTerra, that can be used to automatically generate photorealistic, digital, three-dimensional ͑3D͒ terrain computer-aided design databases to represent  ...  impossible to animate accurately in 3D.  ...  Any opinions, findings, and conclusions or recommendations expressed in this paper are those of the writers and do not necessarily reflect the views of the NSF.  ... 
doi:10.1061/(asce)0887-3801(2005)19:2(160) fatcat:3kvfdcvzwvdnjf2szjjhie37ia

Three-Dimensional Surface Topography Acquisition and Analysis for Firearm Identification

Nicola Senin, Roberto Groppetti, Luciano Garofano, Paolo Fratini, Michele Pierni
2006 Journal of Forensic Sciences  
of the 3D surface topography of specimens, with particular reference to cartridge cases.  ...  More recently, some attempts to develop systems based on three-dimensional (3D) representations of the specimen surface have been made, both in the literature and as industrial products, such as BulletTRAX  ...  Acknowledgments The authors acknowledge the cooperation of SM S.r.l. (Torino, Italy) for the development of the 3D surface topography FIG. 18-Shape features affecting cross-correlation results.  ... 
doi:10.1111/j.1556-4029.2006.00048.x pmid:16566761 fatcat:7w537ej7ubbn7emkae7ilapeua

Fusion of Images Recorded with Variable Illumination [chapter]

Fernando Puente, Luis Nachtigall, Ana Perez
2010 Sensor Fusion and its Applications  
Overview of related work The characterization of 3D textures typically involves the reconstruction of the surface topography or profile.  ...  As detailed in Section 2, photometric stereo allows to recover the surface albedo and topography from a series of images.  ... 
doi:10.5772/9958 fatcat:k7pkzrcyhrgetad2xogpm6gsl4

Topological descriptors for 3D surface analysis [article]

Matthias Zeppelzauer, Bartosz Zieliński, Mateusz Juda, Markus Seidl
2016 arXiv   pre-print
We present a comprehensive evaluation that shows that topological descriptors are (i) robust, (ii) yield state-of-the-art performance for the task of 3D surface analysis and (iii) improve classification  ...  We investigate topological descriptors for 3D surface analysis, i.e. the classification of surfaces according to their geometric fine structure.  ...  Acknowledgements Parts of the work for this paper has been carried out in the project 3D-Pitoti which is funded from the European Community's Seventh Framework Programme  ... 
arXiv:1601.06057v1 fatcat:vmhfh6afkvew7iwd2t2xxhwafe

Line-field Coherent Sensing with LED Illumination [article]

Celalettin Yurdakul, David S. Millar, Hassan Mansour, Pu Wang, Keisuke Kojima, Toshiaki Koike-Akino, Kieran Parsons, Philip V. Orlik
2022 arXiv   pre-print
A line-field illumination strategy allows for the simultaneous measurement of many points in space. Micron scale accuracy and resolution are achieved and demonstrated using a variety of targets.  ...  We describe a method of low-coherence interferometry based optical profilometry using standard light-emitting diode (LED) illumination and complementary metal-oxide-semiconductor (CMOS) image sensors.  ...  Surface topography of test target. (a) Top: The picture; Bottom: 3D schematic of the stair test target. (b) Top: Surface topography; Bottom: cross-section profile from the raw measurement.  ... 
arXiv:2202.12161v1 fatcat:acmewejco5f4li4awp6fcjdl5u

An Interactive Local Flattening Operator to Support Digital Investigations on Artwork Surfaces

N. Pietroni, C. Massimiliano, P. Cignoni, R. Scopigno
2011 IEEE Transactions on Visualization and Computer Graphics  
A graphical example of residual marks detection and characterization: the user interactively selects a portion of the surface to be studied; the system produces a parameterized image patch; then, high  ...  An alternative approach is to move to the 2D space, resolving shape reasoning to easier image processing techniques.  ...  We would like to thank Franca Falletti, director of the Accademia Museum, and the other CH colleagues involved in this activity: prof. Irving Lavin, prof. Alessandro Nova, dr. Ute Dercks, dr.  ... 
doi:10.1109/tvcg.2011.165 pmid:22034316 fatcat:4wzmadtn7ndfdge46fjtdlvs4a


Hassan Elhifnawy
2016 The International Conference on Civil and Architecture Engineering  
Changes on urban area may be happened due to city development or effect of environmental hazards. LIDAR data for an urban area is used for producing two height images, before and after changing.  ...  Airborne LIDAR has become commercially used for many environmental, engineering and civil applications, and can provide accurate data for topographic surfaces and non-terrain objects.  ...  Figures (Figure 9 and Figure 10) show the height and intensity images for the area of study after applying an interpolation technique over 0.25 m equally spaced mesh. 3D Representations and Models  ... 
doi:10.21608/iccae.2016.43462 fatcat:klbhxonp5fgf3o2fywbykizi2y

3D Face Compression and Recognition using Spherical Wavelet Parametrization

Rabab M., Rehab F.
2012 International Journal of Advanced Computer Science and Applications  
Second, the use of spherical based wavelet coefficients for efficient representation of the 3D face.  ...  Two representation features based on spherical wavelet parameterization of the face image were proposed for the 3D face compression and recognition.  ...  Second, the geometry image is obtained as a color image and a surface image. Third, the spherical based wavelet coefficients are computed for efficient representation of the 3D face.  ... 
doi:10.14569/ijacsa.2012.030901 fatcat:p2rgc2x2bzajtmkw6ucbc2glla

Automatic Sounding Generalization Maintaining the Characteristics of Submarine Topography

Mengyuan Li, Anmin Zhang, Dianjun Zhang, Mingwei Di, Qingju Liu
2021 IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing  
Experimental results showed advantages of our approach meeting the sounding generalization requirements, and the undersea surface modeled by generalized results raises by 0.27m and 0.37m through SGMST  ...  In recent years, demands for Electronic Nautical Chart (ENC) have increased significantly in various fields of applications, where sounding is one of the main features, and a large number of studies have  ...  ACKNOWLEDGMENT The authors would like to thank the editors and anonymous reviewers for their valuable comments.  ... 
doi:10.1109/jstars.2021.3116997 fatcat:fea54lbwbzgzhask4wyscme2ay

Scientific visualization of landscapes and landforms

Helena Mitasova, Russell S. Harmon, Katherine J. Weaver, Nathan J. Lyons, Margery F. Overton
2012 Geomorphology  
Whereas single-surface visualization of landscapes is now routinely used in presentation of Earth surface data, interactive 3D visualization based upon multiple elevation surfaces and cutting planes is  ...  SECURITY CLASSIFICATION OF: Scientific visualization of geospatial data provides highly effective tools for analysis and communication of information about the land surface and its features, properties  ...  by the United States Geological Survey, US Army Corps of Engineers, North Carolina Floodplain Mapping Program and the National Oceanic and Atmospheric Administration Coastal Services Center.  ... 
doi:10.1016/j.geomorph.2010.09.033 fatcat:r342xw4wtnh63ofe44vbb43bei

Atomic reconstruction of biomolecular structures from AFM images and quantitative validation of experimental data using simulated AFM scanning [article]

Romain Amyot, Arin Marchesi, Clemens M Franz, Ignacio Casuso, Holger Flechsig
2021 bioRxiv   pre-print
Moreover, several methods for detailed analysis and comparison of surface topographies in simulated and experimental AFM images are provided.  ...  The key advancement is the automatized fitting of biomolecular structures to experimental AFM images, which allows to reconstruct 3D atomistic structures from AFM surface scans.  ...  The purpose of this application is to extract information on the three-dimensional molecular structure from just the surface representation available from real AFM images.  ... 
doi:10.1101/2021.06.27.450070 fatcat:g6q7zwo6j5endhstjmlpzwybom

Measuring Shape and Surfaces down to the Nanometer and Nanosecond scales by Digital Holographic Microscopy [chapter]

Christian Depeursinge, Isabelle Bergoënd, Nicolas Pavillon, Jonas Kühn, Tristan Colomb, Frédéric Montfort, Etienne Cuche, Yves Emery
2009 Fringe 2009  
Acknowledgements Part of this work has been supported by the European Project Real 3D.  ...  The authors would like to thank their colleagues in the MVD Group and in Lyncee Tec SA ( for their cooperation and several fruitful discussions.  ...  excitation frequencies. b) Amplitude response as a function of excitation frequency Fig. 4 . 4 3D representation of the topography of the cantilever at 87 kHz  ... 
doi:10.1007/978-3-642-03051-2_67 fatcat:4y2hyydq7bhpjexas3t4qfewom

Fourier optics modelling of coherence scanning interferometers

Peter J. de Groot, Xavier Colonna de Lega, Rong Su, Jeremy Coupland, Richard K. Leach, Erik Novak, James D. Trolinger, Christopher C. Wilcox
2021 Applied Optical Metrology IV  
The model is straightforward to implement, is computationally efficient, and reveals many of the common error sources related to the optical filtering properties of the imaging system.  ...  for determining surface heights.  ...  Proc. of SPIE Vol. 11817 118170M-17  ... 
doi:10.1117/12.2595668 fatcat:vobpw5dfcrd45f7dc2styjcevu
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