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International cooperation and technology transfer

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fullscreen: International cooperation and technology transfer

Monograph

Persistent identifier:: 856489328

Author:: Mussio, Luigi

Title:: International cooperation and technology transfer

Sub title:: Parma, Italy, February 15 - 19, 1999, Bandung, Indonesia, April 13 - 14, 1999, Cotonou, Benin, December 6 - 10, 1999 ; proceedings of the workshops

Scope:: XXX, 398 Seiten

Year of publication:: 1999

Place of publication:: London

Publisher of the original:: RICS Books

Identifier (digital):: 856489328

Illustration:: Illustrationen, Diagramme

Language:: English

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

Publisher of the digital copy:: Technische Informationsbibliothek Hannover

Place of publication of the digital copy:: Hannover

Year of publication of the original:: 2016

Document type:: Monograph

Collection:: Earth sciences

Chapter

Title:: THE GRID METHOD, A SIMPLE PROCEDURE FOR THE DETERMINATION OF THE LENSE RADIAL DISTORTION. G. Fangi, Carla Nardinocchi.

Document type:: Monograph

Structure type:: Chapter

International cooperation and technology transfer
Cover
ColorChart
Title page
FOREWORD.
Table of Contents.
Compte-rendu of the WG VI/3. Mariano Cunietti Memorial Meeting in Parma. Mojca Kosmatin Fras, WG VI/3 Co - chairperson.
Compte - Rendu of the ISPRS WG VI/3. High Level Tutorial in Bandung. Fahmi Amhar, Tutorial Chairperson.
Compte-rendu of the Wg VI/3. Luigi Solaini 10th Anniversary. Memorial Meeting in Cotonou. Luigi Mussio, WG VI/3 Chairperson.
Opening.
Closure.
Welcome addresses.
Opening.
Closure.
PADUA, BAHIA BLANCA, PERUGIA, PARMA, BANDUNG AND COTONOU, MEETING - LIST OF PARTICIPANTS.
ISPRS WG VI/3 - LIST OF CORRESPONDENTS.
VIRTUAL REALITY (VR) APPLIED TO ENVIRONMENT REPRESENTATIONS: SOME EXAMPLES AT UNIVERSITY OF PADUA (ITALY). V. Achilli, F. Barison, A. Vettore.
SURVEYING METHODOLOGIES IN THE PHLEGREAN VOLCANIC DISTRICT (NAPLES - ITALY). Achilli V., Borgstrom S., Capone M., Del Gaudio C., De Martino P., Klees R., Ricciardi G. P., Ricco C., Sepe V., Usai S., Vettore A.
Integration of GPS and Conventional Surveying For Positioning of The Mobile Phone Antennae in A Local System. Al-Bayari O., Barbarella M., Fazio C..
The Spacewise Approach to the Data Treatment for the SAGE Mission Project. A. Albertella, F. Migliaccio, F. Sansó.
DATA AND METADATA A NEW CONCEPT IN ARCHIVING ARCHITECTURAL DATA. Elena ALBERY, Fulvio RINAUDO.
NOTES ABOUT TOPOGRAPHIC AND PHOTOGRAMMETRIC SURVEYING FOR THE INVESTIGATION OF THE DOME BEARING VERTICAL WALLS IN S. MARIA DEL FIORE CATHEDRAL OF FLORENCE. P. Aminti, I. Chiaverini, D. Ostuni.
NEW SURVEY OF MORIMONDO ABBEY. Bruno Astori, Luca Rinaldi, Grazia Tucci.
SARNO (ITALY) LANDSLIDES: DIFFERENT METHODOLOGIES OF DATA ACQUISITION. M. Barbarella, M. Fiani.
DIGITAL PHOTOGRAMMETRY AND LASER RANGE CAMERA FOR PHYSIC MODEL GEOMETRY DETERMINATION. M. Barbarella, A. Vettore.
SAMPLING AND VARIANCE ANALYSIS IN REGGIO CALABRIA. Vincenzo Barrile and Rossella Nocera.
GEOID ESTIMATION THROUGH GPS OBSERVATIONS. R. Barzaghi, A. Borghi.
DATA PROCESSING VERSUS GEOMATICS. T. Bellone, L. Mussio, C. Nardinocchi.
PERTINENCE DE L'OFFRE DE FORMATION DU GDTA A' L'INTERNATIONAL. Jean-Luc BESSIS.
THE ARCHITECTURAL AND ARCHAEOLOGICAL PHOTOGRAMMETRICAL EXPERIENCES IN GREECE AND MIDDLE ASIA. Giorgio Bezoari.
PROCEDURES OPTIMISATION IN THE QUALITY SYSTEM. G. Bezoari, F. Guzzetti.
CARTOGRAPHY FOR TOWN PLANNING. Giorgio Bezoari, Attilio Selvini.
INDEXING TREE METHODS AND SPATIAL ORDERING FOR MAPS AND GEOGRAPHIC DATA: AN OVERVIEW AND APPLICATION TO THE GEODETIC GIS PROJECT. L. Biagi, M. A. Brovelli, M. Negretti and C. Saldarini.
GIS/WEB DESIGN FOR INTERNET/INTRANET DATA SHARING. Piero BOCCARDO, Giuliano COMOGLIO, Nadia CORGIAT LOIA.
SURFACE SPATIAL ANALYSIS IN ARCHITECTURAL AND ARCHAEOLOGICAL SURVEY: DIGITAL AND ANALYTICAL PROCEDURES. Raffaella BOLOGNA, Maurizio MINCHILLI.
VERY LARGE SCALE MAPPING OF THE ARCHAEOLOGICAL SITE IN CERVETERI (ITALY): DATA COLLECTION FROM DIGITAL AUTOMATIC D.T.M., ORTHOPROJECTION AND ANALYTICAL STEREOPLOTTING. Raffaella BOLOGNA, Maurizio MINCHILLI.
DES COMPOSANTS LOGICIELS GEOGRAPHIQUES POUR ELARGIR ET DEMOCRATISER L'ACCES A LA TECHNOLOGIE ETA L’INFORMATION GEOGRAPHIQUE. SPATIAL SOFTWARE COMPONENTS FOR WIDENING AND DEMOCRATIZING ACCESS TO GEOGRAPHIC INFORMATION AND TECHNOLOGY. Patrice BOURSIER, Michel EBOUEYA, Arunas STOCKUS, Alain BOUJU, Frédéric BERTRAND.
VALIDATION OF AN ANCIENT PERSPECTIVE IN LECCO (ITALY). PIETRO BROGLIA, EVA SAVINA MALINVERNI, LUIGI MUSSIO.
THE USE OF SPATIAL-ORIENTED DATA BASE MANAGEMENT SYSTEMS (DBMS) FOR ITALGEO GEOID MANAGEMENT BY GIS. M. A. Brovelli, F. Migliaccio and V. Tornatore.
COMPARISON BETWEEN PHOTOGRAMMETRICAL SURVEYS OF THE ST.STEFANO CHURCH'S CLOISTER IN BOLOGNA AND METRICS EVALUATIONS OF THE OPERATIONS OF RESTORATION. A. Capra, S. Gandolfi, G. Lombardi, A. Zanutta.
EXPERIMENTAL TESTS IN DIGITAL IMAGES PLOTTING. M. Caprioli, P. De Fazio.
GVM - GAC PROCESSING CHAIN : A REMOTE SENSING TOOL FOR ENVIRONMENTAL APPLICATIONS AT CONTINENTAL LEVEL. C. Carmona-Moreno, M. Turchini, M. F. Cruz Martinez, J. Baron, J. Lopez Raya José, A. Moreno Ruiz.
INTERNATIONAL COOPERATION AND TECHNOLOGY TRANSFER GAIA: global astrometry from space at 10 [...] level. D. Cardio, B. Bucciarelli, M. Gai, M. G. Lattanzi and S. Cesare.
ESTABLISHMENT OF A LEVELLING NETWORK FOR THE MONITORING OF POSSIBLE VERTICAL MOVEMENTS IN THE AREA OF PISA - SAN GIULIANO TERME PONTASSERCHIO-MIGLIARINO PISANO (ITALY). G. Caroti, E. Mengali, A. Rossi, C. Scalese.
ESTIMATING MEASUREMENT PRECISION BY MEANS OF MEASUREMENT DIFFERENCES. V. Casella.
AUTOMATIC FOREST AREA RECOGNITION USING GIS IMAGE ANALYSIS CAPABILITY. Marco Ciolli, Paolo Zatelli.
NEW APPROACH TO THE ESTIMATION OF SNOWPACK ESTENSION VIA REMOTE SENSING. Alessandra Colombo, Giovanmaria Leoni.
CULTURAL HERITAGE WEB SITES: THE SUPPORT OF GEOMATICS. Luigi Colombo.
A METHOD FOR ESTIMATING 3D SHAPES MOTION BY A FREQUENCY DOMAIN TECHNIQUE. G. M. Cortelazzo, A. Guamieri, A. Vettore.
LA FORMATION AU C.R.T.O. A. Coulibaly.
A COMPUTER PROGRAM FOR THE VARIANCE-COVARIANCE ESTIMATION OF GPS BASELINE VECTORS. N. Crocetto, M. Gatti, C. Materazzo, L. Toscano.
INTERFEROMETRIC SAR CALIBRATION. M. Crosetto, B. Crippa.
OPTIMISATION DES DATES D'ACQUISITION DES IMAGES TELEDECTION EN ZONE SOUDANO-GUINEENNE POUR UN SUIVI DES ECOSYSTEMES. Cheick Hamala DIAKITE.
FIELD TESTS ON DGPS USING OMNISTAR CORRECTION. D. Dominici, M. L. Pecetti, F. Radicioni, A. Stoppini.
CONTROL DIRECTIONS FOR THE CALIBRATION OF TERRESTRIAL NON-METRIC CAMERAS. Gabriele Fangi.
EXPERIENCES OF VIRTUAL REALITY. G. Fangi, G. Gagliardini.
THE GRID METHOD, A SIMPLE PROCEDURE FOR THE DETERMINATION OF THE LENSE RADIAL DISTORTION. G. Fangi, Carla Nardinocchi.
DEM'S COMPARISON FOR THE EVALUATION OF LANDSLIDE VOLUME. M. Fiani, S. Troisi.
AUTOMATIC DEM GENERATION IN QUARRIES. Gianfranco FORLANI, Livio PINTO.
STATIC CONTROL OF PALAZZO DELLA RAGIONE IN PADUA. Alberto Giussani, Giorgio Vassena.
Conditions préalables au fonctionnement efficace et durable d'un SIG à base de télédétection. Claus-Peter Gross.
PROCEDURES OF CORRECTION OF THE GEOMETRY DISTORSIONS FOR DIGITAL IMAGES. A. Guarnieri, A. Vettore.
GEOPLANTRANSF: A SOFTWARE FOR THE GEOREFERENCING OF DIGITAL IMAGES BY USING PLANE TRASFORMATIONS. Francesco Guerra, Caterina Balletti, Davide Miniutti.
LA DECADENCE EN PRODUCTION CARTOGRAPHIQUE EN AFRIQUE: CAUSES ET THERAPIES DE REDEMARRAGE. A. L. Gueye, B. F. Agbo, P. M. Kibora.
GEOMATICS EDUCATION IN NIGERIA: THE CURRENT DRIVES. A. L. Gueye, O. Aguda.
DE LA TOPOGRAPHIE CONVENTIONNELLE VERS LA GEOMATIQUE: UNE EVOLUTION TECHNOLOGIQUE DE L'ENSEIGNEMENT TECHNIQUE DANS LE SYSTEME EDUCATIF CAMEROUNAIS. HAPPI MANGOUA FREDERIC.
INTERNET-ATLAS OF NATURAL AND AGRONOMIC RESOURCES IN NIGER AND BENIN - A TOOL FOR PRESENTATION AND EXCHANGE OF SPATIAL DATA - . L. Herrmann, K. Vennemann, K. Stahr.
Mapping from Space. Gottfried Konecny.
CONTEMPORARY METRICAL DOCUMENTATION OF CULTURAL HERITAGE ARCHITECTURE. Mojca Kosmatin Fras.
Acquisition of Topographic Data by Laser Scanning and Digital Photogrammetry. Karl Kraus.
The GeoMed Project: GIS and Spatial/Temporal Statistics in Public Health. Andy Long, Mark Wilson, Geoff Jacquez, Leah Estberg.
GPS and GLONASS in Italy. Giorgio Manzoni.
GEOMATICS EDUCATION AND TRAINING IN BOTSWANA. L. Maphale, M. B. Manisa, B. Nkwae, C. Ezigbalike.
THE TWOFOLD NATURE OF MEASUREMENT AS EMPIRICAL AND LINGUISTIC OPERATION. Luca Mari.
UNCERTAINTY IN MEASUREMENT: A SURVEY. Luca Mari.
A RECTIFICATION OF DIGITAL IMAGES OBTAINED FROM AN ANALOGICAL VIDEORECORDING. Patrizia Midulla.
GENE FUCTIONAL MAPPING. Luciano Milanesi, Raffaella Rizzi.
THE APPLICATION OF GEOGRAPHIC INFORMATION SYSTEMS IN ENVIRONMENTAL IMPACT ASSESSMENT IN AFRICA: CHALLENGES AND OPPORTUNITIES. MLENGE FANUEL MGENDI.
GIS: TEACHING EXPERIENCE IN THE COURSE AT DIIAR POLITECNICO OF MILAN. Carlo MONTI, Raffaella BRUMANA, Luigi FREGONESE.
GIS TECHNOLOGY TO SUPPORT SURVEY DATA AND MANAGEMENT OF DIFFERENT QUARRY TYPOLOGIES. Carlo MONTI, Raffaella BRUMANA, Luigi FREGONESE, Giorgio Vassena.
LA FORMATION ET LA RECHERCHE AU CENTRE NATIONAL DES TECHNIQUES SPATIALES. A. OUSSEDIK, M. A. TRACHE.
GEOID BEHAVIOUR IN THE BAHIA BLANCA AREA. Raúl Perdomo y Daniel Del Cogliano, Nilda Di Croché, Esteban Napal, Beatriz Aldalur, Ana María De Aduriz, Pablo Napal, Nora Plana, Irene Pintos, Miguel Angel Martínez, Santiago Rosso.
GEOID MODELLING IN THE SOUTHERN REGION OF THE BUENOS AIRES PROVINCE. Raúl Perdomo, Daniel Del Cogliano, Nilda Di Croche, Esteban Napal, Beatriz Aldalur, Pablo Napal, Irene Pintos.
SATELLITAL IMAGING, INFORMATION SUPPORT OF A PROVINCIAL CARTOGRAPHIC PROJECT. E. QÜESTA, R. YANICELLI, V. FARES, L. LUNA, E. GOLDAR, D. SANDEZ, C. ISORNI, W. COSTA, E. TONELLI.
FORMATION ET PROJETS EN GEOMATIQUE MIS EN PLACE PAR L'ASSOCIATION POUR LE DEVELOPPEMENT DE L'INFORMATION ENVIRONNEMENTALE (ADIE) EN AFRIQUE CENTRALE. Ralph Ridder, Brice Montfraix, Stéphane Lombardo.
CONSTRUCTION OF BASIC DIGITAL MAP FOR CITY GIS BY STEREOPHOTOGRAMMETRIC APPROACH. B. Ruzgiene.
SAGE: AN ITALIAN PROJECT OF SATELLITE ACCELEROMETRY. F. Sanso, A. Albertella, G. Bianco, A. Della Torre, M. Fermi, V. lafolla, A. Lenti, F. Migliaccio, A. Milani, A. Rossi.
THE TEACHING OF REMOTE SENSING IN SOUTH AMERICA. Tania Maria Sausen.
CROP GROWTH MODELLING IN MALI BASED ON ERS SCATTEROMETER INFORMATION. Pierre C. Sibiry Traoré, Mamadou D. Doumbia, Salifou Sissoko, Abderamane Yoroté, Wolfgang Wagner, Klaus Scipal, Anne Gobin, Paul Campling, Erik Nobbe, Rob Beck.
TER LOW COST SMALL SATELLITES FOR EARTH OBSERVATION AND TECHNOLOGY TRANSFER TO DEVELOPING COUNTRIES. Martin Sweeting, Wei Sun.
MAPPING OF HYDROTHERMAL ALTERATION BY REMOTE SENSING AT THE ACOCULCO CALDERA, PUEBLA, MEXICO. VICENTE TORRES RODRÍGUEZ & GABRIEL ORIGEL GUTIÉRREZ.
ISSUES AND APPROACHES IN MAPPING THE IMPACTS OF MINING ON THE ENVIRONMENT IN AFRICA (WITH TEST CASE FROM KITWE MINE, ZAMBIA). Tsehaie Woldai, Daniel Limptlaw.
POTENTIAL FOR COMPUTER ASSISTED DISTANCE LEARNING IN ZAMBIA: WHAT ARE THE CONSTRAINTS AND THE WAY FORWARD. Paul Zambezi.
Appendix: Authors and Co-authors Index.
Cover

Full text

229
THE GRID METHOD , A SIMPLE PROCEDURE FOR THE DETERMINATION OF THE LENSE
RADIAL DISTORTION
G. Fangi - Ancona University- Italy
email: fangi@pocsi. unian. it
Carla Nardinocchi — Parma University — Italy
Email: nardinoc@dits. ing. uniromal.it
ISPRS COMMISSION VI WG 3
KEY WORDS: Photogrammetry, non-metric cameras, calibration, distortion
Abstract: We propose a simple procedure for the determination of the radial distortion for non-metric cameras.
Normally the distortion characteristics are estimated together with the other interior orientation parameters both
with laboratory equipment via goniometer, both by block bundle adjustment with the so-called additional
parameters. The self-calibration approach is followed for non-metric cameras also, with the difference that any
orientation is in practice a new calibration. Often adding the parameters for the distortion brings the solution system
to numerical problems especially when the geometric configuration is weak. It happens with narrow angle of field
lenses, of poor distribution of control points, leading to the impossibility of the estimation for the distortion.
Therefore we intend to estimate the main distortion - the radial component - a part from the orientation. The
proposed approach is intended to be a first step for the full camera calibration, divided in distortion determination
and interior orientation. We neglect the variation of the distortion with the focussing distance. The distortion is
deeply linked to the other interior orientation parameters. We will find that particular interior orientation set fitting
into the computed distortion curve. The ideal distortion-free camera corresponds to the pinhole model. The
distortion is the systematic difference from the real camera to the pinhole model. The equations of the strict
projection are the collinearity equations, or, in an implicit form, the Direct Linear Transformations. A particular
case of the DLT are the equations of the homografic transformations. In order to avoid numerical problems with the
DLT and additional parameters, we use the special case of DLT, that is the homografic transformation. The
transformation residuals are the components of the distortion vector. We tested the procedure to estimate the radial
distortion for a already calibrated semi-metric camera, a Rollei 6008 with a 40mm Distagon lens, using a picture of
an high accuracy plotted grid.
1. INTRODUCTION
The radial distortion of non metric cameras is
normally corrected by adding additional parameters
to the perspective transformation or DLT (Abdel-
Aziz 1971, 1973 ):
The distortion parameters can be expressed as
function of the so-called additional parameters, being
k;, the coefficients of radial distortion, Pj those of the
asymmetrical distortion, 0 the rotation angle of the
axis where the asymmetrical distortion, or
decentering lens distortion, becomes null. There exist
many distortion models up to the very sophisticated
24 additional parameters function of Mueller, Bauer,
Jacobsen (Kruck, 1985). But normally the distortion
is distinguished in two parts: the radial distortion and
then tangential one. A complete treatment of lens
distortion modélisation can be found in (Fryier,
1986).
4- a 2 Y + afiZ + a^
x + dx =
(1)
QqX + ûjqK + d^\Z 1
with
dx = dx'+dx"= f\x,y,x M ,yM,k l ,k 2 ,k 3 ,...) +
+ g'(x,y,x M ,y M ,Q,p h p 2 ,p 3 ,...)
Adding additional parameters to the projectivity
equations has several drawbacks: very many control
points are required, while when the points are not
well distributed the estimation of the distortion is
poor, due also to the high correlation between the
DLT or collinearity equations parameters and those
of the distortion. The introduction of the distortion
parameters brings to numerical problems for the
stability of the solution system (Faig and Shih 1986),
especially with narrow angle lenses (Fangi, 1990).
The long focal lenses non-metric cameras are
impossible to be corrected for radial distortion.
(2)
dy = dy'+dy" = f'\x,y,x M ,y M ,k v k 2 , k 3 ,...) +
+ g" (*, y,x M , y M 9, P\, p 2 > Py>•••)
where
• x, y are the comparator co-ordinates
• X, Y, Z are the terrain co-ordinates
• aj are the transformation parameters
• dx ’ and dy ’ are the components of radial
distortion and
• dx” and dy” those of the tangential distortion.
The present research has been financed by Cofin97

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