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Transactions of the Symposium on Photo Interpretation

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fullscreen: Transactions of the Symposium on Photo Interpretation

Monograph

Persistent identifier:: 856342238

Title:: Transactions of the Symposium on Photo Interpretation

Sub title:: Delft, The Netherlands, September 1962 ; [held in the International Training Centre for Aerial Survey and adjacent buildings of the Technical University from August 29 - September 5, 1962]

Scope:: 532 Seiten

Year of publication:: 1962

Place of publication:: Delft

Publisher of the original:: Waltman

Identifier (digital):: 856342238

Illustration:: Illustrationen, Diagramme, Karten

Language:: English; French; German

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:: WORKING GROUP 1, PHOTOGRAPHY, EQUIPMENT AND TECHNIQUES.

Document type:: Monograph

Structure type:: Chapter

Chapter

Title:: RATIONAL PLANNING AND EXECUTION OF AERIAL PHOTOGRAPHY. F. L. CORTEN.

Document type:: Monograph

Structure type:: Chapter

Transactions of the Symposium on Photo Interpretation
Cover
ColorChart
Title page
Title page
PREFACE.
STEERING COMMITEE.
CONTENTS.
At the formal opening ceremony on 30th August, [...]
NATURAL RESOURCES INVENTORY FOR DEVELOPING COUNTRIES.
RESOLUTIONS.
WORKING GROUP 1, PHOTOGRAPHY, EQUIPMENT AND TECHNIQUES.
SOME METHODS AND INVESTIGATIONS FOR DETERMINING THE QUALITY OF AERIAL PHOTOGRAPHS. ERIK WELANDER.
RATIONAL PLANNING AND EXECUTION OF AERIAL PHOTOGRAPHY. F. L. CORTEN.
SPECIFICATIONS FOR MIRROR STEREOSCOPES. S. A. HEMPENIUS.
MAN-MACHINE TASK SHARING IN ADVANCED PHOTO INTERPRETATION SYSTEMS. RAYMOND P. BARRETT.
EFFECT OF SELECTED PHOTO CHARACTERISTICS ON DETECTION AND IDENTIFICATION. ABRAHAM H. BIRNBAUM.
WORKING GROUP 2, GEOLOGY, INCLUDING GEOMORPHOLOGY, HYDROLOGY.
AERIAL PHOTOGRAPHS AS INSTRUMENTS OF RESEARCH IN AREAS OF REGIONAL METAMORPHISM. J. A. E. ALLUM.
APPLICATION DE L'ETUDE DES PHOTOGRAPHIES AERIENNES A LA TECTONIQUE DES ZONES EXTERNES DES ALPES FRANÇAISES. J. SARROT-REYNAULD.
INTERPRETATION PHOTO GEOLOGIQUE DE LA TECTONIQUE AU NORD DE LA PROVINCE DE SEVILLE. CARMEN MARIN, ENRIQUE MINGARRO.
ROCK WEATHERING IN RELATION TO THE INTERPRETATION OF IGNEOUS AND METAMORPHIC ROCKS IN ARID REGIONS. J. E. G. W. GREENWOOD.
THE PHOTOGEOLOGICAL INTERPRETATION OF CERTAIN METAMORPHIC ROCKS IN EAST AND CENTRAL AFRICA. E. A. STEPHENS.
ANALYSE PHOTO GEOLOGIQUE DES STRUCTURES PLISSEES PRE-CAMBRIENNES DU BAS-CONGO (TERRAINS POST-MAYUMBIENS). J. F. GÉRARDS.
RAPPORT SUR L'APPLICATION DE LA PHOTOGEOLOGIE "PRE-CONTROLEE" EN AFRIQUE CENTRALE. J. GÉRARDS, H. LADMIRANT.
QUINZE DEGRES CARRES COUVERTS AU CONGO (LEOPOLDVILLE) PAR METHODE PHOTOGEOLOGIQUE. R. L. G. THONNARD.
THE APPLICATION OF RECONNAISSANCE PHOTOGEOLOGY TO MINERAL INVESTIGATION IN CENTRAL NYASALAND. E. A. STEPHENS.
THE ESTIMATION OF METRIC ELEMENTS OF A LINE ON AERIAL PHOTOGRAPHS. M. B. MARKOVIC, M. D. DIMITRIJEVIC, R. S. PETROVIC.
WORKING GROUP 3, SOILS, INCLUDING LAND CLASSIFICATION, SOIL CONSERVATION.
THE APPLICATION OF AERIAL PHOTOGRAPHS FOR SOIL SURVEYS IN DEVELOPMENT PROJECTS. P. BURINGH.
THE USE OF BASIC PHYSIOGRAPHIC UNITS IN AIR PHOTO INTERPRETATION. RICHARD WEBSTER.
LANDFORM TYPE ANALYSIS ON AERIAL PHOTOGRAPHS. ITS PRINCIPLE AND ITS TECHNIQUES. TAKAMASA NAKANO.
SOIL CLASSIFICATION AND PHOTO INTERPRETATION. L. F. CURTIS.
ESSAIS DE PHOTO-INTERPRETATION EN ZONE FORESTIERE OMBROPHILE DU SUD-OUEST DE LA COTE D'IVOIRE. P. DE LA SOUCHERE N. LENEUF.
SOIL SURVEYS IN TIMBERED MOUNTAIN LANDS OF THE U.S.A. JOHN. L. RETZER.
THE ANALYSIS OF SHIFTING CULTIVATION AREAS. J. J. REYNDERS.
THE USE OF PHOTO INTERPRETATION FOR DETAILED SOIL MAPPING. R. A. JARVIS.
THE USE OF AIR PHOTOGRAPHS IN THE STUDY OF PATTERNED GROUND IN EAST ANGLIA. R. M. S. PERRIN.
THE DISINTEGRATION OF NARI LIME CRUST IN RELATION TO RELIEF, SOIL AND VEGETATION. JOEL DAN.
THE PLACE OF PEDOLOGICAL RESEARCH THE AGRICULTURAL DEVELOPMENT PLAN. K. VAN DER MEER.
WORKING GROUP 4, VEGETATION, INCLUDING FORESTRY, PLANTEGOLOGY.
AERIAL SURVEY METHODS FOR FORESTRY AND FOREST INDUSTRY PRE-INVESTMENT SURVEYS IN DEVELOPING COUNTRIES. DAVID A. FRANCIS.
A PROPOS DE LA PHOTO AERIENNE ET DES INVENTAIRES POUR L'EXPLOITATION FORESTIERE EN FORET DENSE EQUATORIALE. R. CATINOT et J. LE RAY.
DER MASSTABSADJUSTIERUNGSFAKTOR BEI DER FLÄCHENBESTIMMUNG DURCH PUNKTSTICHPROBE AUS DEM LUFTBILD. F. LOETSCH, E. HALLER.
CONTRIBUTION DE LA PHOTO INTERPRETATION A L'ETUDE ET A LA CARTOGRAPHIE DES PATURAGES TROPICAUX. GABRIEL BOUDET, JEAN KOECHLIN, FREDERIC BAEYENS.
SEASONAL TRENDS IN LIGHT REFLECTANCE FROM TREE FOLIAGE. CHARLES E. OLSON, JR.
THE IDENTIFICATION OF TREE SPECIES ON LARGE SCALE PANCHROMATIC AND COLOR PHOTOGRAPHS. GEORGE E. DOVERSFIKE and ROBERT C. HELLER.
EIN VERGLEICH DER FORSTLICHEN INTERPRETATION PANCHROMATISCHER UND INFRAROTER LUFTBILDER. G. HILDEBRANDT.
EINE NÄHERUNGSMETHODE ZUR ENTZERRUNG VON GEBIRGSWALDAUFNAHMEN. B. RHODY.
BETRACHTUNGEN ÜBER DIE VERWENDUNG KLEINMASSTÄBLICHER LUFTBILDER FÜR FORSTLICHE BESTANDSAUSSCHEIDUNGEN. WILHELM VON LAER.
LARGE SCALE SAMPLING PHOTOGRAPHS FOR FOREST SURVEYS IN CANADA. L. SAYN-WITTGENSTEIN.
ÜBER DIE ZUVERLÄSSIGKEIT DER PHOTOINTERPRETATION GESCHLOSSENER VEGETATIONSGEBIETE. ZDENKO TOMASEGOVIC.
WORKING GROUP 5, REGIONAL GEOGRAPHY AND PLANNING.
GEOGRAPHISCHE LUFTBILDINTERPRETATION. CARL TROLL.
THE APPLICATION OF PHOTO-INTERPRETIVE TECHNIQUES TO GEOGRAPHICAL AND PLANNING STUDIES IN CANADA. R. F. TOMLINSON.
FROM POOR HEATH TO FLOURISHING SEASIDE RESORT A COMPARATIVE AIR PHOTO STUDY OF SOME LAND USE CHANGES ON THE SKANÖR PENINSULA, SWEDEN. GUNNAR RASMUSSON.
KLEINMASSTÄBLICHE LUFTBILDER FÜR DIE GEOGRAPHISCHE LANDSCHAFTSERKUNDUNG UND RAUMGLIEDERUNG. ERNST SCHMIDT-KRAEPELIN.
UTILISATION DE LA PHOTO AERIENNE DANS LES RECHERCHES DE GEOGRAPHIE HUMAINE AU CONGO. J. WILMET.
GEOGRAPHICAL SURVEYS BY MEANS OF AERIAL PHOTO INTERPRETATION IN JAPAN. T. NAKANO, M. TAHASAKI and R. KAWAI.
ERFAHRUNGEN BEI DER LUFTBILDINTERPRETATION IM TROPISCHEN NEU-GUINEA. ERNST REINER.
ERFAHRUNGEN IM GEBRAUCH VON LUFTBILDERN BEI DER LANDNUTZUNGSKARTIERUNG VON PUERTO RICO. DIETER BRUNNSCHWEILER.
DAS LUFTBILD IM DIENSTE DER LANDERHALTUNG UND LANDGEWINNUNG. RUDOLF DOLEZAL.
DIE HILFE DES LUFTBILDES FÜR DIE PRAKTISCHE BODENEROSIONSBEKÄMPFUNG. GEROLD RICHTER.
DIE HILFE DES LUFTBILDES BEI DER LANDSCHAFTSPLANUNG. GERT KRAGH.
DIE VERWENDUNG VON LUFTBILDERN ALS PLANUNGSGRUNDLAGE FÜR DIE WIRTSCHAFTLICHE NEUORDNUNG IM GEBIRGE. DIETER STEINER und HAROLD HAEFNER.
DAS LUFTBILD IM DIENSTE DER STANDORTSERKUNDUNG AUF MITTELGEBIRGSWEIDEN. WERNER KRAUSE.
LES BESOINS DE LA PLANIFICATION EN MATIERE DE CARTOGRAPHIE AGRONOMIQUE. SOGETHA.
MÖGLICHKEITEN DER VERWENDUNG DES LUFTBILDES IN DER STADTGEOGRAPHIE. JÜRGEN KÖRBER.
WORKING GROUP 6, ICE.
PHOTO INTERPRETATION OF ICE AND SNOW FEATURES IN THE ANTARCTIC. DAVID LANDEN.
SOME RESULTS OF THE INTERPRETATION OF AERIAL PHOTOGRAPHS OF SEA-ICE AND PROSPECTS OF FURTHER DEVELOPMENT OF AERIAL SURVEYS FOR THE STUDY OF ICE. V. I. AVGEVICH.
ENGINEERING INFORMATION OF ARCTIC AREAS OBTAINED FROM AERIAL IMAGERY. ROBERT D. LEIGHTY.
THE USE OF SATELLITES FOR ICE STUDIES. R. W. POPHAM.
WORKING GROUP 7, ARCHAEOLOGY.
AIR PHOTOGRAPHY AND ARCHAEOLOGY IN BRITAIN; RECENT RESULTS. J. K. S. ST JOSEPH.
L'ARCHEOLOGIE AERIENNE EN FRANCE. R. CHEVALLIER.
AERIAL PHOTOGRAPHY IN ARCHAEOLOGICAL SURVEYS IN SYRIA. W. J. VAN LIERE.
AIR PHOTOGRAPHS AND THE STUDY OF ANCIENT FIELDS IN ENGLAND. H. C. BOWEN.
TIMBER STRUCTURES REVEALED BY AERIAL PHOTOGRAPHY. RICHARD FEACHEM.
EXPERIENCES WITH AERIAL PHOTOGRAPHS IN THE STUDY OF CASTLES. A. I. J. M. SCHELLART.
WORKING GROUP 8, OCEANOGRAPHY AND COASTAL RESEARCH.
LES ETUDES OCEANOGRAPHIQUES, LITTORALES ET SOUS-MARINES PAR L'NTERPRETATION DES PHOTOGRAPHIES STEREOSCOPIQUES La Carte à 1 : 10.000 du Golfe Normand-Breton. FRANCIS RUELLAN.
ZUR ERMITTLUNG VON STURMFLUTDEICHSCHÄDEN MIT HILFE VON LUFTBILDERN. HELMUT SCHROEDER-LANZ.
LANDFORM CLASSIFICATION FOR FLOOD PREVENTION USING AERIAL PHOTOGRAPHS. T. NAKANO, M. OHYA and T. KANAKUBO.
SHORELINE DEVELOPMENT AND PROTECTION OF NEGOMBO BEACH CEYLON; AN AERIAL PHOTOGRAPHIC APPROACH. L. HERATH.
WORKING GROUP 9, ENGINEERING.
A CONCEPT OF LAND FORMS, PARENT MATERIALS, AND SOILS IN AIRPHOTO INTERPRETATION STUDIES FOR ENGINEERING PURPOSES. ROBERT D. MILES.
APPLICATION OF PHOTO INTERPRETATION IN ROUTE LOCATION. ROBERT R. BLESCH and TA LIANG.
AIRPHOTO INTERPRETATION STUDY FOR THE DIVISION OF ROADS AND ROAD TRAFFIC OF THE SOUTHERN RHODESIAN GOVERNMENT. J. R. ATKINSON and N. B. BROWN.
A REPORT ON THE APPLICATION OF AIRPHOTO INTERPRETATION IN THE FEDERATION OF MALAYA. CHIN FUNG KEE.
AIRPHOTO INTERPRETATION APPLIED TO SOIL ENGINEERING MAPPING IN SOUTH AFRICA. A. B. A. BRINK.
AIRPHOTO INTERPRETATION OF ORGANIC TERRAIN FOR ENGINEERING PURPOSES. NORMAN W. RADFORTH.
PHOTO INTERPRETATION IN PROSPECTING FOR GRANULAR CONSTRUCTION MATERIALS. J. D. MOLLARD.
FRACTURE PATTERNS OF THE NATURAL STEAM AREA OF LARDERELLO, ITALY, FROM AIRPHOTOGRAPHS. E. MARCHESINI, A. PISTOLESI and M. BOLOGNINI.
AUTHOR INDEX.
Cover

Full text

WORKING GROUP 1 
CORTEN 
41 
As a general rule, the system of survey navigation and the constancy of the 
flight execution shall be such that the closest possible tolerances for overlap 
and for side lap can be maintained. A maximum permissible spread of ±3% 
longitudinal overlap and ±10% side lap can certainly be maintained in all 
normal cases. This means that contract specifications calling for 65% overlap 
and 30% side lap - which is very common in contracts covering hilly areas - 
may be reduced to a substantially lower value: taking 55% overlap and 10% 
side lap as the minimum tolerance, an average of 58% overlap and 20% side 
lap can be aimed at if the abovementioned ±3% overlap and ±10% side lap 
tolerances can be fulfilled. The saving in the number of photographs that 
results from such a procedure is much greater than is commonly expected: the 
second case produces less than 3 / 4 of the number of photographs as compared 
with the first case; this does not only give a saving in the cost of the air photo 
graphy, but it also economizes considerably in all subsequent interpretation 
procedures. 
Strip photography is the most common form of flight execution: the photo 
graphs are aligned in mutually parallel flight lines but the positions of the nadir 
points in one flight line do not have any connection with the positions of the 
nadir points in the adjoining flight lines. Considerable improvements are pos 
sible by applying what I call “block photography”: the photographs may be 
aligned not only in the flight line direction but also in a direction perpendic 
ularly to it; in many cases this produces the ideal photo lay-out and will not 
only save nearly half of the control points and minor control - in case any base 
map should be constructed - but it also speeds up considerably the flow of work 
in all interpretation and compilation techniques. 
Other improvements in flight planning are also possible, but these are 
beyond the scope of this paper. In order to produce such economizing improve 
ments in practice, however, it is an absolute requirement that the photo 
graphic organisation shall be able to carry out aerial photography contracts in 
such a way that the improvements are really achieved. In other words, the flight 
execution shall be perfect in order to enable a flight planning according to the clo 
sest possible tolerances. 
The reputable contracting companies are perfectly competent to execute 
photographic flights in the correct way, but experience has also shown that 
there is a need for basic and practical training in these fields: many govern 
ment and institution agencies still seem to think that air photography can 
be carried out by having a good quality camera and chartering a good air 
plane and a good crew, although experience during the 50 years existence of 
aerial photography shows that this inevitably leads to poor results .The I.T.C. 
has, therefore, recently established a branch giving basic education in photo 
graphy, in image formation theory, in aerial photography and in survey 
navigation, as well as practical training in all these fields.

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