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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 4, VEGETATION, INCLUDING FORESTRY, PLANTEGOLOGY.

Document type:: Monograph

Structure type:: Chapter

Chapter

Title:: THE IDENTIFICATION OF TREE SPECIES ON LARGE SCALE PANCHROMATIC AND COLOR PHOTOGRAPHS. GEORGE E. DOVERSFIKE and ROBERT C. HELLER.

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 4 
DOVERSPIKE-HELLER 
237 
Accuracy of interpretation increased in going from the small scale to the two 
larger scales (fig. 1). Accuracy in interpretation was consistently higher on the 
color film but this advantages diminished as the scale increased. Very little 
difference in accuracy was recorded between the two large scales on both types 
of film. 
Accuracy in interpreting color film was consistently higher for each tree 
species than in interpreting panchromatic film (fig. 2). This was true even for 
the best interpreter, although he did correctly identify all 19 Pirns strobus trees 
on both films. 
The effect of scale on the recognition of three particular species is shown in 
fig. 3. Pinus strobus, which ranked first in accuracy of recognition, showed little 
change between the two larger scales. Betula papyrifera, which ranked last, 
showed little improvement in accuracy with increased scale. Recognition of 
Thuja occidentalis was greatly improved with the increase in scale. 
The morphological features and color characteristics of these species explain 
why photo images of some species are harder to recognize than others. 
1. Pinus strobus was accurately identified by all interpreters. They were con 
sistent in recognizing the characteristic foliage arrangement, e.g., a pattern 
of triangular branches that radiate like the spokes of a wheel. 
2. Betula papyrifera was identified correctly when the tree was full crowned and 
vigorous but when the tree was decadent and had thin foliage its image was 
generally confused with Populus tremuloides. 
3. Thuja occidentalis was recognized by crown margins and apices on the largest 
scales. These characteristics were not recognized on the small scale. Image 
color may facilitate making a correct appraisal of this species at large scales 
since the interpreters consistently designated the tree as having the same 
hue. 
Other species where interpretation accuracy was high had distinguishing 
characteristics, such as ragged foliage and occasional long branches on Pinus 
banksiana. 
Discussion and conclusions 
Color film is superior to panchromatic film for use in identifying individual 
tree species but its superiority reduces with an increase in scale. For the accu 
rate identification of individual tree species a photo scale of 1 : 1584 or larger 
is necessary. 
A recent forestry graduate did an equally accurate job of interpreting at 
these scales after three days of intensive training as did men having 20 years 
experience in photo interpretation. Thus, it would seem possible to eliminate 
interpreters’ performance as a variable in interpreting pictures of this kind if 
proper training and training aids are used. 
The cost of using color film at large scales should be little more than that 
required for panchromatic film. While it is true that color film costs five times 
as much as panchromatic film, the important point to remember is that film

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