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Close-range imaging, long-range vision

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fullscreen: Close-range imaging, long-range vision

Monograph

Persistent identifier:: 1067858350

Title:: Close-range imaging, long-range vision

Sub title:: proceedings of the ISPRS Commission V symposium : September 2 - 6, 2002, Corfu, Greece

Scope:: 1 Online-Ressource (xii, 621 Seiten)

Year of publication:: 2002

Place of publication:: Thessaloniki

Publisher of the original:: Publ. ZITI

Identifier (digital):: 1067858350

Illustration:: Illustrationen

Signature of the source:: ZS 312(34,5)

Language:: English

Additional Notes:: Erscheinungsdatum des Originals ist aus dem Copyrightjahr ermittelt.

Usage licence:: Attribution 4.0 International (CC BY 4.0)

Corporations:: Symposium Close-Range Imaging, Long-Rang Vision, 2002, Kerkira; International Society for Photogrammetry and Remote Sensing, Technical Commission Close Range Techniques and Machine Vision; Technikon Epimeltrion ts Hellados (Griechische Kammer der Technik)

Adapter:: Symposium Close-Range Imaging, Long-Rang Vision, 2002, Kerkira; International Society for Photogrammetry and Remote Sensing, Technical Commission Close Range Techniques and Machine Vision; Technikon Epimeltrion ts Hellados (Griechische Kammer der Technik)

Founder of work:: Symposium Close-Range Imaging, Long-Rang Vision, 2002, Kerkira; International Society for Photogrammetry and Remote Sensing, Technical Commission Close Range Techniques and Machine Vision; Technikon Epimeltrion ts Hellados (Griechische Kammer der Technik)

Other corporate:: Symposium Close-Range Imaging, Long-Rang Vision, 2002, Kerkira; International Society for Photogrammetry and Remote Sensing, Technical Commission Close Range Techniques and Machine Vision; Technikon Epimeltrion ts Hellados (Griechische Kammer der Technik)

Publisher of the digital copy:: Technische Informationsbibliothek Hannover

Place of publication of the digital copy:: Hannover

Year of publication of the original:: 2019

Document type:: Monograph

Collection:: Earth sciences

Chapter

Title:: WGV/1: Automation for Vision Metrology Systems and Industrial Applications

Document type:: Monograph

Structure type:: Chapter

Chapter

Title:: SEMI AUTOMATIC REGISTRATION OF LASER SCANNER DATA S. T. Dijkman, F. A. van den Heuvel

Document type:: Monograph

Structure type:: Chapter

Close-range imaging, long-range vision
Cover
ColorChart
Title page
ISPRS Council 2000 - 2004
ISPRS Commission V Symposium: CLOSE-RANGE IMAGING, LONG-RANGE VISION
President's Invitation
Contents
WGV/1: Automation for Vision Metrology Systems and Industrial Applications
SOFTWARE DEVELOPMENT FOR REMOTE CONTROL OF DIGITAL METRIC CAMERAS VIA LAN AND INTERNET Ingo Bock, Guenter Pomaska
IMPROVING THE ROBUSTNESS OF LEAST SQUARES TEMPLATE MATCHING WITH A LINE-SEARCH ALGORITHM Niclas Börlin
SEMI AUTOMATIC REGISTRATION OF LASER SCANNER DATA S. T. Dijkman, F. A. van den Heuvel
DESIGN AND IMPLEMENTATION OF A PHOTOGRAMMETRIC SYSTEM FOR CLOSE RANGE INDUSTRIAL APPLICATIONS B. Ergün’, M. O. Altan
GEOMETRIC INFORMATION FROM SINGLE UNCALIBRATED IMAGES OF ROADS L. Grammatikopoulos, G. E. Karras, E. Petsa
IMAGE-VARIANT INTERIOR ORIENTATION AND SENSOR MODELLING OF HIGH-QUALITY DIGITAL CAMERAS H. Hastedt, Th. Luhmann, W. Tecklenburg
REAL-TIME PHOTOGRAMMETRIC ALGORITHMS FOR ROBOT CALIBRATION J. Hefele
PERFORMANCE OF CIRCULAR IMAGE BLOCKS IN CLOSE-RANGE PHOTOGRAMMETRY Jussi Heikkinen
PHOTOGRAMMETRIC PERFORMANCE EVALUATION OF THE KODAK DCS PRO BACK Ralf Jantos, Thomas Luhmann, Jürgen Peipe, Carl-Thomas Schneider
METHOD FOR ON-LINE CALIBRATION FOR AUTOMOBILE OBSTACLE DETECTION SYSTEM V. A. Knyaz
NEW SYSTEM OF DIGITAL CAMERA CALIBRATION, DC-1000 T. Noma, H. Otani, T. Ito, M. Yamada, N. Kochi
ALGORITHM DEVELOPMENTS FOR AUTOMATED OFF-LINE VISION METROLOGY J. O. Otepka, H. B. Hanley, C. S. Fraser
ACCURACY OF DENSE SURFACE MEASUREMENTS IN AN INTEGRA TED PHOTOGRAMMETRY AND MACHINE VISION FRAMEWORK H. Papadaki
A NEW “DIGITAL FILTER” FOR EXTRACTING CONJUGATE POINTS ON EPIPOLAR STEREO IMAGES P. Patias, V. Tsioukas, L. Sechidis
Automated Point Measurement of Dynamic Skin Membrane Surfaces Utilizing a Dot Projection Photogrammetric Technique Gary Robertson
ENHANCED MULTI-CLUSTER ANM FOR STEREO MATCHING M. Sakamoto, W. Lu, Y. Kosugi
CHARACTERISATION AND TRACKING OF MEMBRANE SURFACES AT NASA LANGLEY RESEARCH CENTER Mark R. Shortis, Stuart Robson, Richard S. Pappa, Thomas W. Jones and William K. Goad
STUDY ON VISUAL TRAVERSE BY LASER SCANNING SENSOR R. Tanaka, H. Yokoyama, H. Chikatsu
AUTOMATIC HIERARCHICAL OBJECT DECOMPOSITION FOR OBJECT RECOGNITION M. Ulrich, A. Baumgartner, C. Steger
COMPARISION OF DIFFERENT SENSOR TYPES AND VALIDATION OF AN APPROACH FOR MULTI SENSOR FUSION A. Wendt, C. Rosing, M. Weisensee
USE OF DLT IN PHOTOGRAMMETRIC METROLOGY Zeroual I. Liazid A.
RECONSTRUCTING TEXTURED CAD MODEL OF URBAN ENVIRONMENT USING VEHICLE-BORNE LASER RANGE SCANNER AND LINE CAMERAS Huijing Zhao, Ryosuke Shibasaki
CAR COLLISION AVOIDANCE SYSTEM BASED ON ORTHOPHOTO TRANSFORMATION S. Yu. Zheltov, A. V. Sybiryakov, O. V. Vygolov
WGV/2 Scene Modelling and Virtual Reality
SINGLE IMAGE AND TOPOLOGY APPROACHES FOR MODELING BUILDINGS O. Al Khalil & P. Grussenmeyer
TOWARDS AUTOMATED SEGMENTATION OF DENSE RANGE SCANS Jan Böhm
SEMI-AUTOMATIC 3D RECONSTRUCTION OF OCCLUDED AND UNMARKED SURFACES FROM WIDELY SEPARATED VIEWS Sabry F. El-Hakim
Dynamic trapezoidal maps for coarse perspective models in indoor scenes Javier Finat, Margarita Gonzalo-Tasis, Maria J. Antolinez Susana Aguilar
Title: A fast self-organized iconic segmentation and grouping based in color Javier Finat, Margarita Gonzalo-Tasis and Alejandro Viloria.
LASER SCANNER APPLICATION ON COMPLEX SHAPES OF ARCHITECTURE. PROFILES EXTRACTION PROCESSING AND 3D MODELLING. Luigi FREGONESE [...] Cristiana ACHILLE [...]
FAST RECOVERY OF IMAGE ORIENTATION USING VIRTUAL URBAN MODELS Charalampos Georgiadis, Anthony Stefanidis, Peggy Agouris
SCENE MODELING BY USING VIDEO CAMERA Tsukasa Hosmura, Tetsuo Ohta
PHOTOREALISTIC OBJECT RECONSTRUCTION USING COLOR IMAGE MATCHING Yasemin Kuzu
FLEXIBLE 3-D MODELLING OF HOSTILE ENVIRONMENTS WITH CONSTRAINED VIEWPOINT AND MULTIPLE UNKNOWNS Christophe Leroux, Philippe Even, Anne Lottin, Rodolphe Gelin, Jean Marc Idasiak, Jean François Boissonneau, Michel Jeanjacques
Bundle Orientation and 3-D Object Reconstruction from Multiple-Station Panoramic Imagery Thomas Luhmann, Werner Tecklenburg
A NEW METHOD TO CREATE A GEOMETRICALLY CORRECTED IMAGE OF A DIGITAL CAMERA Ryuji Matsuoka, Kiyonari Fukue, Kohei Cho, Haruhisa Shimoda, Yoshiaki Matsumae, Kenji Hongo, Naoki Shirai
VIEW SYNTHESIS WITH THE TRIFOCAL TENSOR FROM UNCALIBRATED IMAGERY Helmut Mayer, Wolfram Büchner, Thomas Riegel
MOBILE MAPPING FROM STEREO OMNI-DIRECTIONAL VISION S. Ozawa, I. Miyagawa, K. Wakabayashi, T. Arikawa
A GENERIC 3D MODEL FOR AUTOMATED BUILDING ROOF RECONSTRUCTION S. Scholze, T. Moons, L. Van Gool
CALIBRATION OF AN SEM, USING A NANO POSITIONING TILTING TABLE AND A MICROSCOPIC CALIBRATION PYRAMID Olaf Sinram, Martin Ritter, S. Kleindiek, A. Schertel, H. Hohenberg and J. Albertz
3D OBJECT RECONSTRUCTION IN CLOSE RANGE PHOTOGRAMMETRIC PROBLEMS E. Stylianidis, P. Patias
EXTRACTION OF BUILDING FOOTPRINTS FROM AIRBORNE LASER SCANNER DATA AND ORTHO IMAGE Hiroshi TAKEDA Naoko KURISAKI Wentao CHE
TOWARDS AUTOMATIC RELATIVE ORIENTATION FOR ARCHITECTURAL PHOTOGRAMMETRY Frank A. van den Heuvel
KNOWLEDGE-BASED AUTOMATIC 3D LINE EXTRACTION FROM CLOSE RANGE IMAGES S. Zlatanova and F. A. van den Heuvel
WGV/3 Medical Image Analysis and Human Motion
MEASUREMENT AND MODELING OF HUMAN FACES FROM MULTI IMAGES Nicola D'Apuzzo
REPRESENTING THE HUMAN VASCULAR SYSTEM WITH THE USE OF X-RAY PICTURES Á. Detrekói, K. Fekete, Z. Tóth, O. Alhusain, A. Juhász, I. Stuber, Á. Rakusz
3D Brain Volume and Surface Visualization with CT and MR Images for Diagnosing Abnormal Structures: Integration with Photogrammetric Techniques (EXTENDED SUMMARY) S. Dogan, M. O. Altan
MARKERLESS FULL BODY SHAPE AND MOTION CAPTURE FROM VIDEO SEQUENCES P. Fua, A. Gruen, N. D'Apuzzo, R. Plänkers
SONOGRAPHIC TECHNICAL ASPECTS AND IMAGING FEATURES IN THE EVALUATION OF ACUTE SCROTAL PATHOLOGY IN CHILDREN Katsimba D., Tzouveleki M., Miliou Th., Christopoulos S.
A ROBUST PHOTOGRAMMETRIC SYSTEM FOR WOUND MEASUREMENT A. Malian, F. A. van den Heuvel, A. Azizi
ON THE APPLICATION FOR ROAD STRUCTURE IN DYNAMIC ANALYSIS OF HUMAN MOTION USING HVT SYSTEM T. Odake, H. Chikatsu
A CONCEPT WORK FOR AUGMENTED REALITY VISUALISATION BASED ON A MEDICAL APPLICATION IN LIVER SURGERY Tim Suthau, Marcus Vetter, Peter Hassenpflug, Hans-Peter Meinzer, Olaf Hellwich
ANALYSIS OF TIME-SPACE EFFECT OF WALKING USING ACCELEROMETERS AND GYRO SENSOR SYSTEM Masako Tsuruoka, Yuriko Tsuruoka, Ryosuke Shibasaki, Yoshifumi Yasuoka, Shunji Murai
WGV/4 Image Analysis and Spatial Information Systems for Applications in Cultural Heritage
NEW FRONTIERS TO ARCHITECTURAL SURVEY: LASER SCANNER 3D Prof. L. Andreozzi, L. Barnobi, A. Giuffrida, C. Santagati
DIGITAL ORTOPHOTO OF SAN MARCO’S BASILICA IN VENICE G. Auditore, D. Miniutti, L. Pilot
THE PROMOTION OF CULTURAL HERITAGE THROUGH INTERNET USING ADVANCED AUDIO-VISUAL INFORMATION: THE VENETIAN CASTLES OF PELOPONNISOS E. Bakourou, V. Tsioukas, I. Katzougraki, E. Stylianidis, K. Papadimitriou, P. Patias
LASER APPLICATIONS FOR 3D SURVEY OF CULTURAL HERITAGE C. Balletti, F. Guerra
GIS DESIGN USING HIGH GEOMETRIC RESOLUTION SATELLITE IMAGES AND HYPERSPECTRAL AIRBORNE DATA P. Boccardo, F. Giulio Tomolo, A. Spanò
AUTOMATIC REGISTRATION OF 3-D VIEWS R. Bologna, A. Guarnieri, M. Minchilli, A. Vettore
HIGH RESOLUTION DIGITAL IMAGE ORIENTATION USING LASER SCANNER DATA Leandro Bornaz, Andrea Lingua, Fulvio Rinaudo
WEB ARCHAEOLOGICAL DATA MANAGEMENT SYSTEM FROM UNDERWATER PHOTOGRAMMETRY. AN APPLICATION ON TWO ROMAN WRECKS Marco Canciani, Pamela Gambogi, Pierre Drap
SURVEYING METHODS OF ARCHITECTURAL HERITAGE FOR A GIS IMPLEMENTATION M. Caprioli, R. Bologna, A. Scognamiglio
PERFORMANCE EVALUATION OF RECENT HIGH RESOLUTION AMATEUR CAMERAS AND APPLICATION TO MODELING OF HISTORICAL STRUCTURE Hirofumi Chikatsu, Yoichi Kunii
UNDERWATER PHOTOGRAMMETRY AND XML BASED DOCUMENTATION SYSTEM: The case of the 'Grand Ribaud F' Etruscan wreck Pierre Drap, Emmanuel Bruno, Luc Long, Anne Durand, Pierre Grussenmeyer
‘ARPENTEUR’ AS WEB BASED PHOTOGRAMMETRIC PACKAGE: TOWARDS INTEROPERABILITY THROUGH A XML STRUCTURE FOR PHOTOGRAMMETRIC DATA Pierre Drap, Pierre Grussenmeyer, Gilles Gaillard
USING 3D GIS FOR DOCUMENTATION OF HISTORICAL MONUMENT Zaide DURAN & Gönül TOZ
NON-METRIC BIRD'S EYE VIEW Prof. A. Georgopoulos, M. Modatsos
RECONSTRUCTION OF THE GREAT BUDDHA OF BAMIYAN, AFGHANISTAN A. Gruen, F. Remondino, L. Zhang
URBAN CONSERVATION STUDY BASED ON COMPUTER AIDED DESIGN TECHNIQUES:A CASE OF ZEYREK/ISTANBUL N. Zeren Gülersoy, T. K. Koramaz
DIGITAL PHOTOGRAMMETRY FOR THE ON SITE DOCUMENTATION OF THE OASIS OF SIRWAH IN THE REPUBLIC OF YEMEN J. Heckes, A. Hornschuch, U. Kapp, N. Röring
COMBINATION OF PHOTOGRAMMETRY AND EASY-TO-USE NON-METRIC METHODS FOR THE DOCUMENTATION OF ARCHAEOLOGICAL EXCAVATIONS Guido HEINZ
RECONSTRUCTION OF ANCIENT OLYMPIA IN 3D COMPUTER GRAPHICS A Landscape Analysis of Classical Site Juko ITO, Kohei IWABUCHI
THE DIGITAL DATABASE IN ARCHAEOLOGY Paul F. Jacobs
DOCUMENTATION AND VISUALIZATION OF HISTORICAL CITY CENTERS: A MULTI-SENSOR APPROACH FOR A NEW TECHNOLOGICAL PARADIGM P. Patias, G. Karapostolou, P. Simeonidis
GEOMETRIC CALIBRATION OF A VISIBLE-NIR VIDEO CAMERA J. L. Lerma, L. A. Ruiz, F. Buchón, R. Pons, M. Galindez
Application of Computer Technic in the Reconstruct of Chinese Ancient Buildings Deren Li, Yixuan Zhu, Jie Yang, Fuling Bian
VIRTUALISATION OF AN ARCHAEOLOGICAL SITE E. S. Malinverni, G. Gagliardini, G. Fangi
THEORETICAL AND PRACTICAL ASPECTS OF ARCHAEOLOGICAL ORTHOIMAGING D. Mavromati, E. Petsa, G. E. Karras
New Perspectives for Environmental Archaeological GIS Yoshito MIYATSUKA
3D MODELS GENERATION FROM LASER SCANNER DATA TO SUPPORT DIGITAL ORTHOPHOTO 3D: The mosaic surface of the floor of S. Marcus Basilica in Venice. Carlo MONTI [...] Raffaella BRUMANA [...] Luigi FREGONESE [...] Carlo SAVI [...] Christiana ACHILLE [...]
Experimentation of a georeferencing methodology for the Cultural Heritage of Lombardia (Italy) Carlo MONTI [...] Raffaella BRUMANA [...] Carlo SAVI [...] Luigi FREGONESE [...] Christiana ACHILLE [...] Giada MONTI [...] Caterina BALLETTI [...] Giovanni AUDITORE [...]
DIGITAL INFORMATION UTILIZATION ON PRESERVATION MANAGEMENT OF CULTURAL PROPERTIES Syozo NISHIMURA, Sunaryo SUMITRO
IMAGE COMBINATION INTO LARGE VIRTUAL IMAGES FOR FAST 3D MODELLING OF ARCHAEOLOGICAL SITES Maria Pateraki, Emmanuel Baltsavias, Petros Patias
SATELLITES IMAGES OF VERY HIGH RESOLUTION ON THE STUDY OF MONUMENTS AND HISTORICAL CENTERS AND THEIR WIDE SURROUNDINGS Patmios E, Lazaridou M.
RECONSTRUCTION OF THE ROMAN WAREHOUSES IN ANCONA HARBOUR Fausto Pugnaloni and Roberto Papa
A SOLUTION FOR IMAGE ORIENTATION OF CLOSE RANGE BLOCKS M. Scaioni, G. Forlani
MAPPING EXCAVATIONS AND ARCHAEOLOGICAL SITES USING CLOSE RANGE PHOTOS K. Tokmakidis, D. Scarlatos
FITTING, PORTAYAL AND MAPPING FOR THE PRODUCTION OF 2nd ORDER SURFACES PHOTOMOSAICS Artemis Valanis
DOCUMENTATION of HISTORICAL SITES by COMBINING MODERN PHOTOGRAMMETRIC and LASER TECHNOLOGY E. Vozikis, C. Boletis, J. Petrogonas
POTENTIAL OF GIS FOR ENVIRONMENTAL ARCHAEOLOGY: A CASE STUDY IN AICHI, JAPAN- Nobuya Watanabe, [...] Hiroyuki Yoshida, [...]
CHALLENGES AND SOLUTIONS ON THE GENERATION OF DIGITAL SURFACE MODELS OF FACADES USING IMAGE PROCESSING TECHNIQUES Albert Wiedemann
REFIND ORTHO IMAGING AND MODELLING OF RELICS USING HIGH RESOLUTION AMATEUR CAMERA Hiroshi YOKOYAMA, Hirofumi CHIKATSU
WGV/5 Quick Response and Distributed Computing for Close-Range Applications
AUTOMATED APPEARANCE-BASED BUILDING DETECTION IN TERRESTRIAL IMAGES Jan Böhm, Norbert Haala, Peter Kapusy
INVARIANT REPRESENTATIONS FOR PUNCTUAL AND LOCAL GROUPING CRITERIA IN GEOGRAPHIC INFORMATION SYSTEMS Isidro de Paz, Javier Finat and Margarita Gonzalo-Tasis
AUTOMATIC CITY MODELLING BY ROBUST LINE MATCHING USING HIGH VISION AIR-BORNE IMAGERY Y. Kunii, H. Chikatsu
A NEW ALGORITHM FOR IMAGE RETRIEVAL FROM IMAGE SEQUENCE Hongchao Ma, Deren Li
WET LAND AND SALT CRUST FORMATION BASED ON LANDSAT TM DATA Alavi Panah, S.K.
SUMMARIZING THE CONTENT OF MOTION IMAGERY DATASETS Anthony Stefanidis, Peggy Agouris, Panos Partsinevelos
OPTIMIZING POINT NETWORKS FOR CLOSE-RANGE PHOTOGRAMMETRY: FIRST TEST RESULTS E. Tung, J. Friedrich, F. Karsli, E. Ayhan
WGV/6 Visualization and Animation
THE WELL PROMISING FLASHPIX IMAGE FORMAT O. Georgoula, P. Patias
THE MEDIEVAL FORTRESS KUFSTEIN, AUSTRIA - AN EXAMPLE FOR THE RESTITUTION AND VISUALIZATION OF CULTURAL HERITAGE Klaus Hanke, Michael Oberschneider
ANALYSIS OF DIFFERENT CALIBRATION MODELS FOR SEE-THROUGH HEAD-MOUNTED DISPLAYS USED FOR AUGMENTED REALITY APPLICATIONS Johannes Leebmann
COMPUTER AIDED MAKING UP FOR HUMAN FACE USING GEO-SIMULATOR Shunji MURAI, Akira TSUTUMI, Masanobu KOBAYASHI, Yousuke SEKI
ON DEVELOPMENT OF MANAGEMENT AND PLAN SYSTEM FOR MAP PRODUCTION Kazuya NAKANO, Kosuke TSURU
LASER SCANNING AND VISUALISATION OF AN AUSTRALIAN ICON: NED KELLY'S ARMOUR Cliff Ogleby
3D-VISUALIZATION TECHNIQUES - THE COMPLETE LIST - W. Schuhr, E. Kanngieser
A NEW PERSPECTIVE FOR THE VISUALIZATION OF CARTOGRAPHIC DATA V. Tsioukas, K. Papadopoulos, M. Daniil, E. Daniil
ICWG V/III Image Sequence Analysis
DEVELOPMENT OF TECHNIQUES FOR VEHICLE MANOEUVRES RECOGNITION WITH SEQUENTIAL IMAGES FROM HIGH ALTITUDE PLATFORMS T. Fuse, E. Shimizu, R. Maeda
CONSTRUCTION OF CITY MODEL BY MOTION Yousuke Kashimoto, Heitoh Zen
METHOD OF THE CURRENT PITCH ANGLE VALUE CALCULATION ON THE BASIS OF PASSIVE SENSORS DATA PROCESSING IN INTELLIGENT DRIVING SYSTEMS V. M. Lisitsyn, K. V. Obrosov, A. A. Spiridonov, S. V. Tikhonova
VIDEO-TO-3D Marc Pollefeys, Luc Van Gool, Maarten Vergauwen, Kurt Cornelis, Frank Verbiest, Jan Tops
CAMERA CALIBRATION BY ROTATION Petteri Pöntinen
IMAGE SEQUENCE ANALYSIS FOR HUMAN BODY RECONSTRUCTION Fabio Remondino
IMAGE SEQUENCE MATCHING FOR THE DETERMINATION OF THREE-DIMENSIONAL WAVE SURFACES F. Santel, C. Heipke, S. Könnecke, H. Wegmann
3D PARTICLE TRACKING VELOCIMETRY BASED ON IMAGE AND OBJECT SPACE INFORMATION J. Willneff
URBAN 3D MAPPING FROM AERIAL IMAGE SEQUENCES Guoqing Zhou
Keywords Index
Authors Index
Cover

Full text

SEMI AUTOMATIC REGISTRATION OF LASER SCANNER DATA The follow
observatior
parameters
S.T. Dijkman, F.A. van den Heuvel the parame
section des
; : . In th
Delft University of Technology, Department of Geodesy scams WC
Thijsseweg 11, 2629JA Delft, The Netherlands
Email: {S.T.Dijkman, F.A.vandenHeuvel} @citg.tudelft.nl 3. FITT
CommissionV, WG V/2 Before the
need to be
KEYWORDS: laser scanning, industrial photogrammetry, registration, augmented reality, orientation, reconstruction es
designed in
ABSTRACT Ba i
distances fi
Laserscanning is a technique that is becoming very popular for the acquisition of 3D models, especially in industrial envionments. adjusting t
As industrial sites are in many cases complex environments, scans from multiple viewpoints have to be taken to be able to model the
entire site. Before modelling the site can start, registration of all the scans is required. This paper discusses he semi automatic grit Po
registration of laser scanner data. Starting point for the registration are object models measured in two scans taken from different caleulate h
positions. The fitting algorithms to find the parameters of the models are based on nonlinear least square adjustments. The method offer hi : fe
used is not bound to the fitting of a particular model but can be used for different kind of models. The parameters are estimated from The specifi
the distances from the points to the model. As the equations are nonlinear initial values for the parameters are needed. A method to
find these for cylinders and planes is discussed. Based on the parameters of the models measured in different scans the registration is
performed. Assuming neighbouring laser scans to be taken from one sit of an objæt no approximated values are needed.
different m
with respec

Section 2.1
, p plane. As tl
1. INTRODUCTION To be able to model sites from a combination of range data for the pose
) and visual imagery these data sets have to be registered. In this section: as
In the process industry there is a need to obtain accurate three- paper a technique is presented that is capable of doing this. equations 1
dimensional models. Those models are for example needed in The method uses corresponding objects measured in different method to
case of extensions of the existing infrastructure or for scans to determine the transformation parameters. In case parameters
Augmented Reality (AR) applications. AR allows the user to objects are measured in images, it is possible to register the
create realistic simulations of the real world by blending real images as well. In the first step planes or cylinders are fitted in
and virtual environments. Potential applications of AR are different laser scans. Secondly an operator assigns 2.1 Plane
training, documentation, planning and maintenance correspondences between the measured objects. The last step
applications. The research at the Delft University of involves the registration of the scans. In close rar
Technology (DUT) focuses on the 3D-reconstruction of fact that pla
industrial sites using a combination of close range imagery and Much work has already been done on the registration of laser parameteris
range data. The research is part of an interdisciplinary
European Union project called STAR (Services and Training
scan images. The iterative closest point (ICP) algorithm (Besl,
McKay, 1992) establishes a set of corresponding points from
be seen as 2
through Augmented Reality, www.realviz.com/STAR). two data sets. From this set of comesponding points a Is importan
transformation is computed. Drawbacks of this method are that perpendicul
In recent years DUT developed a method to measure three it isn't obvious how to handle multiple data sets and that one provides a
dimensional industrial sites from a collection of close range point set is assumed to be a subset of the other. That is it plane can b
images (Ermes, 1999). This method assumes a predefined
library of parameterised object models defined by
Constructive Solid Geometry (CSG) trees is used to describe
the site. Each particular object model is projected onto the
images. In the first step an operator alters the pose and shape
parameters of the model in order to obtain approximate values
for the object parameters. The projected CSG model is aligned
manually with the object as seen in the image.
Due to technical improvements of close range laser scanners it
is nowadays feasible to obtain point clouds with accuracies
better than 5mm with distances of up to 50 meters. Using laser
scanning alone is not feasible in case very high accuracies are
desired. Edges cannot be precisely located because of the
distance between neighbouring laser points. Images are used to
overcome this problem. The grey values in images provide
information about the locations of discontinuities in a scene.
Furthermore visual imagery can be mapped onto reconstructed
3D models to create a visually realistic model (Stamos &
Allen, 2000).
assumes the same points are measured in both scenes, which is
not the case with laser scanning furthermore occlusions cannot
be dealt with.
Zhang (Zhang, 1992) exploits the same idea as ICP but can
also handle data sets that are not subsets of one another. This
method detects wrong correspondences by dynamically
adjusting the distance threshold between points throughout the
iterations. Later, algorithms were not designed to establish
point-to-point relationships, but to establish the relationship
between points in one set to locations on the surfaces
represented by the points of the other data set (Chen and
Medioni, 1992; Dorai et al., 1997). The techniques described
all assume the registration of two images whereas (Eggert et
al., 1998) is designed to register more scans simultaneously.
None of the techniques described above, however, is designed
to register range data and image data simultaneously, although
some work has been done on the registration of 2D data and
3D data. (Phong et al., 1995; Kumar & Hanson, 1994)
=12-
signed dista
Figure 1. Ps
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