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XVIIIth Congress (Part B5)

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fullscreen: XVIIIth Congress (Part B5)

Multivolume work

Persistent identifier:: 1667435949

Title:: XVIIIth Congress

Sub title:: Vienna, Austria 1996

Year of publication:: 1996

Place of publication:: Vienna

Publisher of the original:: Austrian Society of Surveying and Geoinformation

Identifier (digital):: 1667435949

Language:: English

Editor:: Kraus, Karl; Waldhäusl, Peter

Corporations:: International Society for Photogrammetry and Remote Sensing, Congress, 18., 1996, Wien; International Society for Photogrammetry and Remote Sensing

Adapter:: International Society for Photogrammetry and Remote Sensing, Congress, 18., 1996, Wien; International Society for Photogrammetry and Remote Sensing

Founder of work:: International Society for Photogrammetry and Remote Sensing, Congress, 18., 1996, Wien; International Society for Photogrammetry and Remote Sensing

Other corporate:: International Society for Photogrammetry and Remote Sensing, Congress, 18., 1996, Wien; International Society for Photogrammetry and Remote Sensing

Document type:: Multivolume work

Volume

Persistent identifier:: 1667448226

Title:: XVIIIth Congress

Scope:: 626 Seiten

Year of publication:: 1996

Place of publication:: Vienna

Publisher of the original:: Austrian Society of Surveying and Geoinformation

Identifier (digital):: 1667448226

Illustration:: Illustrationen, Diagramme

Signature of the source:: ZS 312(31,B5)

Language:: English

Additional Notes:: Erscheinungsdatum des Originals ist anhand des Copyrightjahrs ermittelt.

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

Editor:: Kraus, Karl; Waldhäusl, Peter

Corporations:: International Society for Photogrammetry and Remote Sensing, Congress, 18., 1996, Wien; International Society for Photogrammetry and Remote Sensing; International Society for Photogrammetry and Remote Sensing, Commission Non-Cartographic Applications of Photogrammetry and Remote Sensing

Adapter:: International Society for Photogrammetry and Remote Sensing, Congress, 18., 1996, Wien; International Society for Photogrammetry and Remote Sensing; International Society for Photogrammetry and Remote Sensing, Commission Non-Cartographic Applications of Photogrammetry and Remote Sensing

Founder of work:: International Society for Photogrammetry and Remote Sensing, Congress, 18., 1996, Wien; International Society for Photogrammetry and Remote Sensing; International Society for Photogrammetry and Remote Sensing, Commission Non-Cartographic Applications of Photogrammetry and Remote Sensing

Other corporate:: International Society for Photogrammetry and Remote Sensing, Congress, 18., 1996, Wien; International Society for Photogrammetry and Remote Sensing; International Society for Photogrammetry and Remote Sensing, Commission Non-Cartographic Applications of Photogrammetry and Remote Sensing

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:: Volume

Collection:: Earth sciences

Chapter

Title:: A MULTI-VIEW TRINOCULAR SYSTEM FOR AUTOMATIC 3-D OBJECT MODELING AND RENDERING F. Pedersini, A. Sarti, S. Tubaro

Document type:: Multivolume work

Structure type:: Chapter

Contents

Table of contents

XVIIIth Congress
XVIIIth Congress (Part B5)
Cover
Title page
ISPRS Council 1992 - 1996
International Archives of Photogrammetry and Remote Sensing (IAPRS)
Volume XXXI, Part B5
Technical Commission V Close-Range Techniques and Machine Vision
Editorial Team
Copyright 1996
For Sale after the Congress
Foreword
Table of Contents
DIE PHOTOGRAMMETRISCHE ERGÄNZUNG DER KARTE VON HATTUSAS,DER HAUPTSTADT DES HETHITER REICHES Sitki KÜLÜR, Orhan ALTAN, Gónül TOZ,. Dursun Z. SEKER, Asli IYIDIKER, Harun IYIDIKER, Zaide DURAN
UNIFORMITY AND PROXIMITY APPLIED TO THE GENERALISATION OF TARGET FIELDS IN CLOSE RANGE PHOTOGRAMMETRY. L. C. Anderson (Masters Candidate) and C. J. Bellman (Lecturer)
VIA GEORGOFILI MAY, 27 1993: A TESTIMONY Antonio Arrighi
3D DETAILED RECONSTRUCTION OF A DEMOLISHED BUILDING BY USING OLD PHOTOGRAPHS C. loannidis, C. Potsiou, J. Badekas
ANALYTICAL PHOTOGRAMMETRY FOR THE SURVEY OF THE GOLDEN ALTAR OF S. AMBROSE'S BASILICA IN MILAN Elena Baj, [...]
PAROS:UN SYSTÈME D'INFORMATION POUR L’ARCHITECTURE L. Baratin - [...] G. Follonit - [...] J-.P. Saint Aubin - [...]
PHOTOGRAMMETRIC MEASUREMENT OF DEFORMATIONS OF THE GABCIKOVO LOCK GATE BARTOS P. - GREGOR V.
ANALYSIS OF RESIDUALS FROM L1 NORM ESTIMATION John Marshall [...] James Bethel [...]
VALVE MEASUREMENT USING PHOTOGRAMMETRIC FEATURE MODELING Alan Voss [...] James Bethel [...]
METHODS OF SURVEYING IN ARCHAEOLOGY DEMONSTRATED AT THE TANG EMPERORS’ MAUSOLEUMS Wolfgang Böhler and Guido Heinz
THE OPTICAL TUBE MEASUREMENT SYSTEM OLM - PHOTOGRAMMETRIC METHODS USED FOR INDUSTRIAL AUTOMATION AND PROCESS CONTROL Werner Bösemann
OBJECT RECOGNITION USING MULTI-SENSOR FUSION AND ACTIVE EXPLORATION Claus Brenner and Michael Hahn
Long Terme Photogrammetric Measuremend of Rockfill Dam Jozef Cernansky
AN EVALUATION OF THREE DIFFERENT IMAGE CAPTURE METHODS FOR MEASUREMENT AND ANALYSIS OF DEFORMATION WITHIN A GEOTECHNICAL CENTRIFUGE J. Chen, S. Robson, M. A. R. Cooper, & R. N. Taylor
A NEW SYSTEM OF SURFACE MEASUREMENT N. Kochi,H. Ohtani,S. Nakamura, T. Utiyama, M. Yamada, M. Chida, T. Noma, T. Ito,H. Aokı
A STUDY ON REAL-TIME PHOTOGRAMMETRY FOR ARCHAEOLOGICAL SITES USING WIRELESS CCD CAMERA Hirofumi CHIKATSU, Kazuya NAKANO, Tetsuji ANAI
DYNAMIC ANALYSIS OF HUMAN MOTION USING SEQUENTIAL IMAGES OF VIDEO THEODOLITE Hirofumi CHIKATSU, Tetsuji ANAI, Hideharu YANAGI [...] Shunji MURAI [...]
Ortho Projection and Drawing for Archeological Artifacts of complicated form Hiroshi YOKOYAMA [...] Katsuhiro HATANO, Hirofumi CHIKATSU [...]
Stereo Light Microscope Calibration for 3D Submicron Vision Gaudenz Danuser
GENERATION OF A PANORAMA MOSAIC FOR THE DOME OF A PLANETARIUM Piero de Fazio, [...] Josef Jansa, [...]
PHOTOGRAMMETRY AND SURVEY PROCEDURES FOR THE ANALYSIS OF VENETIAN VILLAS: THE CASE STUDY OF VILLA ZENO BY ANDREA PALLADIO Clemente di Thiene - Francesco Guerra - Luigi Fregonese - Luca Pilot - Caterina Balletti
INFLUENCE OF LARGE TARGETS ON THE RESULTS OF PHOTOGRAMMETRIC BUNDLE ADJUSTMENT Jürgen Dold
PHOTOGRAMMETRICAL APPLICATIONS TO AERIAL ARCHAEOLOGY AT THE INSTITUTE FOR PREHISTORY OF THE UNIVERSITY OF VIENNA, AUSTRIA Michael Doneus
MEASUREMENT IN HAZARDOUS ENVIRONMENT: REVIEW OF SEVERAL APPLICATIONS Arnaud DUMONT - Technical Manager
IMPLEMENTATION OF SEQUENTIAL ESTIMATION FOR SINGLE-SENSOR VISION METROLOGY Kenneth Edmundson and Clive S. Fraser
TWO 3-D SENSORS FOR ENVIRONMENT MODELING AND VIRTUAL REALITY: CALIBRATION AND MULTI-VIEW REGISTRATION S. F. El-Hakim, J.-A.Beraldin, G. Godin, and P. Boulanger
A COMPARISON OF THE PERFORMANCE OF DIGITAL AND CONVENTIONAL NON-METRIC CAMERAS FOR ENGINEERING APPLICATIONS W. Faig, H. El-Habrouk, X. P. Li, M. Hosny
Vibration Monitoring with Video Cameras C. K. Lee and W. Faig
DEVELOPING OF THE SURFACE MODELL OF HUMAN GUMS Dr Károly Fekete
PAROS: Le sens de la mesure. Photogrammétrie et modéles architecturaux: Le cas du forum antique de la ville d' Arles (France) Michel Florenzano, Jean-Yves Blaise, Pierre Drap
PHOTOREALISTIC PRESENTATION OF THE PALAIS GRAND DUCAL BASED ON PHOTOGRAMMETRIC RECORDING Peggy Freudenreich, [...]
SINGLE STATION SELF-CALIBRATION TECHNIQUES John G. FRYER
A COMPARISON OF THE UTILITY AND EFFICIENCY OF DIGITAL PHOTOGRAMMETRY AND INDUSTRIAL THEODOLITE SYSTEMS Giuseppe Ganci [...] Mark R. Shortis [...]
PHOTOGRAMMETRIC QUANTIFICATION OF CHANGES OF SOFT TISSUE AFTER SKELETAL TREATMENT OF THE FACIAL PART OF THE SKULL Dr.-Ing. Helga Gäbel, Dr.med. Dr.med.dent. Diana Kakoschke
A 3D-SENSOR FOR THE MEASUREMENT OF PARTICLE CONCENTRATION FROM IMAGE SEQUENCES Peter Geißler [...] Bernd Jähne [...]
ARCHEOLOGICAL PHOTOGRAMMETRY WITH SMALL FORMAT CAMERAS: THE SURVEY OF THE FORUM VETUS IN SARMIZEGETUSA (ROMANIA) Pierre GRUSSENMEYER and Franck PERDRIZET
ARCHEOLOGY AND PHOTOGRAMMETRY: THE SITE OF LAODICEIA AD LYCUM (TURKEY) dott. Francesco Guerra
RECONSTRUCTION OF THE DEFORMATION SURFACE OF CFER PANELS Forlani G. - Guzzetti F. -Pinto L.
A GENERAL APPROACH FOR OBJECT ORIENTED 3D-MAPPING IN DIGITAL CLOSE RANGE RESTITUTION Klaus Hanke, Associate Professor [...] Mostafa Abdel-Bary Ebrahim, M.Sc. [...]
OBJECT RECONSTRUCTION FROM IMAGES OF A MOVING CAMERA Jussi Heikkinen
DIGITAL MICROPHOTOGRAMMETRY WITH THE SCANNING ELECTRON MICROSCOPE Matthias Hemmleb, Jörg Albertz [...] Manfred Schubert, Andreas Gleichmann, Johann Michael Köhler [...]
A NOVEL SYSTEM FOR THE COMBINED MEASUREMENT OF WAVE- AND FLOW-FIELDS BENEATH WIND INDUCED WATER WAVES Frank Hering, Günther Balschbach, Bernd Jähne
OBJECT-ORIENTED DATA-INTEGRATION BETWEEN DIGITAL ARCHITECTURAL PHOTOGRAMMETRY AND CAAD Urs Hirschberg, Dipl. Arch. ETH
REAL TIME TRACKING OF A DYNAMIC OBJECT Amir Saeed Homainejad
DIGITAL STEREOPHOTOGRAMMETRIC SOLUTIONS FOR ORTHODONTICS Wolfram Höflinger
OBJECT RECOGNITION FOR A FLEXIBLE MANUFACTURING SYSTEM Y. Huang & J. C. Trinder & B. E. Donnelly
DIGITAL STEREOPLOTTER FOR HISTORIC MONUMENTS RECORDING Jozef J. Jachimski, Janusz M. Zielinski
PRACTICAL INTEGRATION OF VISION METROLOGY AND CAD IN SHIPBUILDING George W. Johnson, [...]
SOME SPECIAL CASES OF CLOSE RANGE PHOTOGRAMMETRY APPLICATION Dusan Joksié, Milos Vojinovic
MEASUREMENT OF SPINAL DEFORMITIES USING STEREOPHOTOGRAMMETRY K Jones [...] G N Askin, W E Ryan, C Natalie and A D Porter [...]
CLOSE RANGE PHOTOGRAMMETRY USING GEOMETRIC PRIMITIVES FOR EFFICIENT CAD MODELLING OF INDUSTRIAL PLANT M. A. Jones, D. P. Chapman, and A. A. Hamid [...] A. T. D. Deacon [...]
DIGITAL MONOPLOTTING AND PHOTO-UNWRAPPING OF DEVELOPABLE SURFACES IN ARCHITECTURAL PHOTOGRAMMETRY G. E. Karras, P. Patias, E. Petsa
IMAGE SEQUENCE ANALYSIS Dana Klimesova, Tomás Suk
STEREOSCOPIC COMPUTER MEASUREMENTS OF MULTY-TIME IMAGES FOR INVESTIGATION OF MOUNTAIN GLACIER MOVEMENTS prof. Yu. F. Knizhnikov, R. N. Gelman
DRAWING UP OF FIREWORKS VIEWING AREA MAP Tosio KOIZUMI [...] Kunihiko ONO [...] Hideaki KAWASAKI [...]
ARCHITECTURAL PHOTOGRAMMETRY AND PICTURE PROCESSING FOR ACQUISITION AND DOCUMENTATION OF A BRAZILIAN TOWN ENSEMBLE S. Landes, H.-P. Bähr and K. Ringle
QUANTITATIVE 3D-MICROSCOPY FOR PHOTODYNAMIC THERAPY OF CANCER CELLS Leemann Th, Margadant F, Walt H, Niederer P
An Underwater Digital Photogrammetric System For Fishery Geomatics Rongxing Li, Chuang Tao, and Weihong Zou [...] R. G. Smith and T. A. Curran [...]
RESULTS OF THE GERMAN COMPARISON TEST FOR DIGITAL POINT OPERATORS Thomas Luhmann
DEVELOPMENTS TOWARDS REMOTE METROLOGY FOR COMPONENT ALIGNMENT UNDER CONDITIONS OF RESTRICTED ACCESS IN JET'S TOROIDAL VACUUM VESSEL B. Macklin, R. Brade, G. Celentano, J. Tait, E. van Lente
"FREE-FLYING" 3-D SENSORS FOR EFFICIENT CLOSE-RANGE MEASUREMENT AND REVERSE ENGINEERING Reinhard W. Malz, [...]
TOWER CASTLE OF GARCIA D’AVILA - FIRST OUTCOMES FOR THE RESTORATION PROCEDURES Camillo José Martins Gomes - [...] Walter da Silva Prado - [...] Christováo Dias de Avila Pires Junior - [...] Herbert Erwes - [...] Luiz Eduardo Pereira Alves - [...]
Data Fusion of Three-dimensional Measurement and CAD in Plant Construction (with the application to prefabricated manufacture of chemical engineering pipe line as an example) A. Matsumoto and F. Souda
KOMBINATION VON PHOTOGRAMMETRIE UND STREIFENPROJEKTION ZUR VERMESSUNG GROSSER OBJEKTE Dr. Martin Michaelis
ISSUES IN MEDICAL PHOTOGRAMMETRY IN THE DIGITAL IMAGING ERA Harvey L. Mitchell [...] Thomas Leemann [...]
DENTURE MOBILITY MEASURING SYSTEM OF COMPLETE DENTURES USING FOUR INFRARED VIDEO CAMERAS K. MIYASHITA, T. SEKITA, S. MINAKUCHI, Y. HIRANO, K. KOBAYASHI and M. NAGAO
Archaeological Real-time Photogrammetric System using Digital Still Camera Yoshito MIYATSUKA
DISCUSSION ON THE AUTOMATIC MEASUREMENT OF TRAFFIC FLOW BY VIDEO CAMERA MOUNTED ON BALLOON Masaru MORI, Masahiro SETOJIMA, Yukio AKAMATSU [...] Ryo YAMANA, Takashi YAHARA [...]
FRAMES BASED ANALYSIS OF MULTISENSOR IMAGE SEQUENCES Yury V. Morzeev, Yury V. Visilter, Sergei Y. Zheltov, Alexander A. Stepanov
CLOSED-FORM SPACE RESECTION USING PHOTO SCALE VARIATION by Riadh A. H. Munjy, Mushtaq Hussain
MEASUREMENT OF RAILWAY SURFACE FLAWS WITH THE CCD LINE SENSOR CAMERA SYSTEM Yoshitaka Matsumoto, Osamu Murakami [...] Masaya Nakagawa [...]
ACCURACY IMPROVEMENT IN COMPUTATIONAL CLOSE-RANGE PHOTOGRAMMETRY BY THE USE OF MULTI-CONTROL VARIABLE (NCV) MONTE CARLO METHOD H. N. Nagaraja, [...]
EVALUATION OF A LOW COST DIGITAL PHOTOGRAMMETRIC SYSTEM FOR MEDICAL APPLICATIONS P. R. Thomas and I. Newton [...] K. B. Fanibunda [...]
A VIDEO-RATE STEREO MACHINE AND ITS APPLICATION TO VIRTUAL REALITY Kazuo Oda, Masaya Tanaka, Atsushi Yoshida, Hiroshi Kano and Takeo Kanade
A Reconstruction of the Ancient City of Ayutthaya Using Modern Photogrammetric Techniques Cliff Ogleby
A STUDY ON THE DEVELOPMENT OF SEMI-METRIC CAMERA FOR VERY CLOSE-RANGE PHOTOGRAMMETRY W. J. Oh [...] S. H. Han [...] S. H. Song, S. H. Bae, H. S. Lee [...]
THE DESIGN AND SIMULATION OF VIDEO DIGITIZING BY USING THREE-DIMENSIONAL CAD-MODELS Ms. Katri Oksanen, [...]
NUMERICAL INVENTORY OF ARCHITECTURAL OBJECTS Jolanta Orlinska, Ryszard Preuss
STEREOPHOTOGRAMMETRIC MAPPING OF THE ANTERIOR SURFACE OF THE HUMAN CORNEA Dr Jon Osborn, [...] Dr Gordon Wise, [...]
CAD-SUPPORTED DETERMINATION OF SENSOR ATTITUDE IN TERRESTRIAL PHOTOGRAMMETRIC APPLICATIONS A. D. Styliadis, P. Patias, J. Paraschakis
CONTRIBUTION OF VIDEOGRAMMETRY TO THE ARCHITECTURAL RESTITUTION Results of the CIPA "O. Wagner Pavillion" test P. Patias, A. Streilein
THE CIPA "O. Wagner Pavilion" TEST A. Almagro, P. Patias, P. Waldhäusl
HIGH RESOLUTION DATA ACQUISITON TO OBSERVE MOVING OBJECTS Jürgen Dold, [...] Jürgen Peipe, [...]
CAD-based Reverse Engineering with Digital Photogrammetry Frank Petran, Peter Krzystek [...] Peter Bonitz [...]
CONFIGURATION OPTIMIZATION AND OPERATING RANGE ENLARGEMENT OF CCD-VIDEO-CAMERAS Dipl.-Ing. Bernd Pollak, [...]
IMPLEMENTATION OF DIGITAL 3D-MODELS IN BUILDING SURVEYS BASED ON MULTI IMAGE PHOTOGRAMMETRY Günter Pomaska, [...]
THE DYNAMIC DIGITAL PHOTOGRAMMETRIC MEASUREMENT AND VISUALISATION OF A 21M WIND TURBINE ROTOR BLADE UNDERGOING STRUCTURAL ANALYSIS. S. Robson and H. B. Setan.
Multi-Image Correlation for Digital Photogrammetric Measurement Systems Heinz Rüther [...] Graeme van der Vlugt [...]
A MULTI-VIEW TRINOCULAR SYSTEM FOR AUTOMATIC 3-D OBJECT MODELING AND RENDERING F. Pedersini, A. Sarti, S. Tubaro
CCD MULTICAMERAS INTERACTIVE DIGITAL SYSTEM FOR CLOSE RANGE PHOTOGRAMMETRIC APPLICATIONS Piotr Sawicki, Boguslaw Wiecek
TARGET DETECTION AND EPIPOLAR GEOMETRY FOR IMAGE ORIENTATION IN CLOSE-RANGE PHOTOGRAMMETRY Gianfranco Forlani, Alberto Giussani, Marco Scaioni [...] Giorgio Vassena [...]
IMPROVEMENT OF FISHFARM PEN DESIGN USING COMPUTATIONAL STRUCTURAL MODELLING AND LARGE-SCALE UNDERWATER PHOTOGRAMMETRY (COSMOLUP) Heinrich Schewe, [...] Erik Moncrieff, [...] Prof. Dr.-Ing. Lothar Gründig, [...]
DPA-WIN - A PC BASED DIGITAL PHOTOGRAMMETRIC STATION FOR FAST AND FLEXIBLE ON-SITE MEASUREMENT Carl-Thomas Schneider
MULTIPLE FOCUS CALIBRATION OF A STILL VIDEO CAMERA Mark R. Shortis [...] Stuart Robson and Tim Short [...]
LASER DOT MATRIX BASED DIGITAL SYSTEM FOR FOR MONITORING TEXTURELESS ROOF STRATA OF MINES R. Singh, D. P. Chapman and K. B. Atkinson
THE CONSTRUCTION OF AN ANCIENT BAS-RELIEF REPLICA USING PHOTOGRAMMETRIC METHODS AND CNC TECHNIQUES E. STAMBOULOGLOU, [...]
UTILIZATION OF CAD MODELS FOR THE OBJECT ORIENTED MEASUREMENT OF INDUSTRIAL AND ARCHITECTURAL OBJECTS Andre Streilein
ADVANCED STUDY OF NON-PRISM LASER RANGER AND IT'S IMAGING (Low-Cost 3D Imaging and Range Imaging Using Non-Prism Laser-Ranger) YOSHIAKI TAKAHASHI, HIDENORI ITOH, NORITSUNA FUJII
A study and development for STEREO FUNDUS CAMERA SYSTEM using Stereo Matching Technique. TSURU Kosuke, Inoue T., Ogino N., Matuyama M., [...] Nanjo T., Yano. N., Hino T. [...]
SPECTRAL ANALYSIS OF A HUMAN WALKING SEQUENCE USING MEDIAL STEREO IMAGES Masako TSURUOKA, Ryosuke SHIBASAKI, Shunji MURAI [...] Masahiro KURITA [...] Takao WADA [...]
SUR L’UTILISATION DES CONTRAINTES À L'AJUSTEMENT SIMULTANE DES OBSERVATIONS PHOTOGRAMMETRIQUES ET GEODESIQUES DANS LA PHOTOGRAMMÉTRIE À COURTE DISTANCE Prof.dr.ing. Lucian Turdeanu, Chef de travaux ing. Ion Ionescu
THE USE OF MULTIPLE SURVIEWS OF A COMPUTED TOMOGRAPHY SCANNER TO DETERMINE THE 3D COORDINATES OF EXTERNAL CRANIAL MARKERS Van Geems B. A.
AUTOMATIC DEM GENERATION USING DIGITAL SYSTEM InduSCAN: AN APPLICATION TO THE ARTWORKS OF MILANO CATHEDRAL FINALIZED TO REALIZE PHYSICAL MARBLE COPIES Marco Scaioni [...] Giorgio Vassena [...] Torsten Kludas, Jens-Uwe Pfeil [...]
AN ALGORITHMIC METHOD FOR REAL-TIME 3-D MEASUREMENT X. Wang. & T. A. Clarke.
RECOVERING 3-D OBJECT GEOMETRY USING A GENERIC CONSTRAINT DESCRIPTION S. Weik, O. Grau
IST DIE PHOTOGRAMMETRIE REIF FÜR DAS MUSEUM? Rolf-Dieter Düppe und Manfred Weisensee
DIGITAL ORTHOIMAGES IN ARCHITECTURAL PHOTOGRAMMETRY USING DIGITAL SURFACE MODELS Albert Wiedemann
CULTURAL ASSETS PRESERVATION USING DIGITAL PHOTOGRAMMETRY METHODS YEU, Bock-Mo Professor, KIM, Wondae Ph.D Student [...] KIM, Yong-ll Associate Professor, RYU, Yeon Undergraduate Student [...]
Appendix: Authors and Co-authors Index Volume XXXI, Part B5 - ISPRS Commission V
Appendix: Keywords Index Volume XXXI, Part B5 - ISPRS Commission V
Cover

Full text

A MULTI-VIEW TRINOCULAR SYSTEM FOR AUTOMATIC 3-D OBJECT MODELING AND RENDERING
F. Pedersini, A. Sarti, S. Tubaro
Dipartimento di Elettronica e Informazione (DEI), Politecnico di Milano
Piazza L. Da Vinci 32, 20133 Milano (Italy)
Tel: +39-2-2399-3647, Fax: +39-2-2399-3413
e-mail: pedersin/sarti/tubaro@elet.polimi.it
KEYWORDS: 3-D Reconstruction, Complete Restitution, Camera Motion Estimation, Edge Matching.
ABSTRACT:
For several applications of close-range photogrammetry, there is a growing interest in systems that are able to
automatically perform a 3-D reconstruction of objects from stereo correspondences on CCD camera views. For such
applications, a full-3D reconstruction of the object is often very desirable. In fact, most automatic systems for 3-D
reconstruction based on stereo matching can only reconstruct the front side of the imaged scene. In order to obtain a
ful-3D reconstruction, it is necessary to observe the scene from several significant viewpoints. Furthermore, an exact
determination of position and orientation of the cameras for all considered viewpoints (camera-motion) becomes crucial.
In this paper we present a low-cost, high-accuracy, full-3D reconstruction system based on a calibrated set of three
standard-resolution CCD cameras. No special positioning devices are needed as the camera-motion is retrieved for
each position of the trinocular system from stereo-matching of unconstrained fiducial marks.
1. INTRODUCTION
In the past few years, research on close-range
photogrammetry has focused more and more on
problems of 3-D reconstruction of objects from multiple
CCD-camera views. As a matter of fact, there exists
variety of applications that would greatly benefit from the
availability of systems that are able to perform an
automatic 3-D reconstruction through stereo matching,
particularly if they can provide a complete restitution of
the imaged object, i.e. a full-3D description of its shape.
Typically, the available automatic systems for 3-D
restitution based on stereo-matching can only provide a
description of the front side of the imaged scene. In order
to achieve a complete scene reconstruction it is
necessary to observe the scene from a multitude of
significant viewpoints, in which case the problem of the
determination of relative position and orientation of the
camera system in different viewpoints becomes crucial.
If we assume (without loss of generality) that the scene is
static and the camera system is moving around it, then
the above problem becomes that of the motion
estimation of the acquisition system, to approach whom a
variety of techniques has been proposed in literature.
Such methods can be roughly divided into three main
categories:
e A-priori solution of the motion estimation problem, by
employing high-precision mechanical positioning
devices for deciding the relative position between
camera and scene before each image set is acquired.
e Detection and tracking of a set of fiducial points that
are visible in the scene, and computation of the
camera motion from the position of such points (and,
possibly, some additional information on their position
in the imaged scene).
e Hybrid solutions in which the motion of the camera
system is subjected to particular constraints in order
to simplify the motion estimation procedure. Such
506
hybrid solutions usually trade computational com-
plexity for mechanical complexity, with consequent
increment of their total cost.
In this paper we introduce a low-cost 3-D restitution
system, able to produce highly accurate reconstruction
results. The system is based on a calibrated trinocular
camera set with an arbitrary geometry. The camera
system aims at an object placed on a support over which
a set of fiducial points is marked. As there are no
constraints on the motion of the camera system, in order
to acquire a sequence of image triplets we may either
move the camera set or the whole scene, without using
any special positioning device.
As a first step of the full-3D reconstruction procedure, a
partial 3D reconstruction from stereo is carried out for
each triplet. This reconstruction is based on the accurate
detection and matching of luminance edges.
Furthermore, the 3D location of fiducial marks is
determined with particularly high accuracy through
subpixel point detection, stereo-matching and back-
projection. Camera motion is thus determined as the rigid
motion that best overlaps the sets of 3D fiducial points
retrieved from each image triplet. In order to do so, the
sum of the distances between corresponding points with
respect to the motion parameters is used as a cost
function for a minimization process, and special care is
used for the selection of the starting point. All 3D edges
are then merged together (by using camera motion
information) in order to obtain a complete description of
the object. Finally, surface interpolation and texture-
mapping are performed.
International Archives of Photogrammetry and Remote Sensing. Vol. XXXI, Part B5. Vienna 1996

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