bluuebunny/crossref_metadata_2025_split huggingface dataset:
AERIAL ARCHAEOLOGY: THE HISTORIAN'S VIEWPOINT
Authors: McCord N. 
Published: July 2010

AbstractThe author describes his involvement in the taking of aerial photography for archaeological purposes. From a selection of photographs shown to the Photogrammetric Society, he has chosen two for this summary of his talk. The first shows the complex archaeological evidence from different periods in history which a single site may present and the second demonstrates the changes in modern history that can be illustrated by a single aerial photograph.RésuméL'auteur spécialiste de la prise de vue aérienne á but archéologique expose en commentant deux clichés l'intérêt de cette technique. Sur le premier on voit ressortie avec évidence toute la complexité de niveaux archéologiques qui peut exister en un lieu donné; sur le second, on voit comment d'une simple photographie aérienne, on peut tirer toutes sortes de conclusions à propos des changements survenus dans l'histoire récente.Zusammenfassung Der Autor beschreibt sein Engagement bei der Luftbildaufnahme für archäologische Zwecke. Aus einer Auswahl von Fotos, die bei der Veranstaltung der Photogrammetric Society gezeigt wurden, hat er zwei für diese Vortragszusammenfassung ausgewählt. Das erste Bild zeigt die komplexe archäologische Erscheinung aus verschiedenen Perioden der Geschichte so wie se an einem einzelnen Ort sichtbar ist. In dem zweiten Bild werden die Veränderungen in der modernen Geschichte gezeigt, was mit einem einzelnen Luftbild demonstriert werden kann.
TOPOGRAPHIC DEFINITION FOR WASHLAND MAPPING
Authors: Chisholm N. W. T. , Collin R. L. 
Published: July 2010

AbstractA method of delineating the extent of floods has been devised involving the establishment of flood surfaces and the creation of photogrammetric digital terrain models. These two data sources are combined in a computer aided map production system and comparisons are drawn between the efficacy of different forms of terrain modelling in a floodplain environment.RésuméOn a mis au point, en vue de déterminer l'étendue d'innondations, une méthode numérique combinant les notions de surface innondable et de modèle numérique de terrain (MNT); on se pose le problème du choix du MNT dans un environnement de plaine innondable.ZusammenfassungAngabe eines Verfahrens zur Ableitung der Ausdehnung von Überschwemmungen, wobei die Flut‐Oberfläche bestimmt und photogrammetrisch digitale Geländemodelle erzeugt werden. Diese beiden Datenquellen werden in einem rechnergestützten Kartiersystem kombiniert, und es werden Vergleiche bezüglich der Wirksamkeit verschiedener Verfahren der Geländemodellierung in Flussniederungen gezogen.
A STEREOCOMPARATOR WITH COMPUTER CONTROLLED CORRECTING DEVICES†
Authors: Ross H. F. 
Published: July 2010

AbstractAn automatic plotting instrument development is described where the coordinate corrections are introduced in the optical system and not at the photograph. It is suggested that the opto‐mechanical devices used for correction and the proposed use of microprocessors for control of these devices offer the possibility of producing a low cost automatic plotter and stereocomparator.RésuméOn decrit une solution au probléme de la correction des coordonnées cliché pour le restituteur analytique et le stéréocomparateur: ces corrections sont introduites dans la partie optique du système et commandées par l'intermédiaire de microprocesseurs. Ceci devrait permettre d'abaisser le coût de ce type d'appareil.ZusammenfassungBeschreibung eines automatischen Auswertegerätes, bei dem die Koordinatenkorrekturen nicht den Bildträgern, sondern dem optischen System zugeführt werden. Es wird angenommen, dass die zur Korrektur verwendeten optisch‐mechanischen Vorrichtungen und die vorgeschlagene Verwendung von Mikroprozessoren zu deren Steuerung die Möglichkeit zum Bau eines billigen automatischen Auswertegerätes und Stereokomparators bieten.
A PRACTICAL PHOTOGRAMMETRIC TEST OF THIN BASE AERIAL FILM
Authors: Worton F. J. , Cheffins O. W. 
Published: July 2010

AbstractVertical aerial photography taken on an experimental thin base film has been tested photogrammetrically and accuracies of measurement of the order of 1/10 000th part of the flying height have been obtained. This paper outlines the handling characteristics of the film, describes the test and gives the results.RésuméOn a testé des clichés aériens pris sur films à support mince et obtenu des exactitudes de l'ordre du 1: 10000 de la hauteur de vol. Caractéristiques du film et résultats des tests.ZusammenfassungBei Luftbildern, die auf einer experimentell dünnen Filmbasis aufgenommen wurden, konnte durch photogrammetrische Tests eine Höhengenauigkeit von 0,1‰ der Flughöhe erreicht werden. Im Artikel werden die Verarbeitungsvorschriften des Films, der Test und die erreichten Ergebnisse beschrieben.
XIVth CONGRESS OF THE INTERNATIONAL SOCIETY FOR PHOTOGRAMMETRY
Authors: Worton F. J. , Dowman I. J. , Farrow J. E. , Petrie G. , Newton I. , Drummond J. E. , Burnside C. D. 
Published: July 2010

AbstractThe XIVth International Congress of the International Society for Photogrammetry was held at the Congress Centrum Hamburg from 13th to 25th July, 1980. Reports on the work of the seven technical commissions of ISP and on the associated commercial exhibition were given to a meeting of the Photogrammetric Society on 28th October, 1980.Résumé Le 14ème congrès de la SIP a eu lieu au centre des congrès de Hambourg du 13 au 25 juillet 1980. Une journée de compte rendu devant la Photogrammetric Society s'est tenue le 28 octobre 1980.Zusammenfassung Vom 13. bis 25. Juli 1980 fand der XIV. Internationale Kongress der ISP im Congress Centrum Hamburg statt. Berichte über die Arbeit der 7 technischen Kommissionen der ISP und der mit dem Kongress verbundenen kommerziellen A ustellung wurden anlässlich einer Zusammenkunft der Photogrammetric Society am 28.10.1980 gegeben.
AIRBORNE METRIC CAMERA VIBRATION
Authors: Worton F. J. 
Published: July 2010

AbstractA brief review of work on airborne metric camera movement has been made. The tolerances for permissible image movement set by various investigators are discussed.The biggest single fault with most metric camera mountings in current use is that the centre of gravity of the camera is well above the line of action of the resilient elastic restoring forces. This results in coupling between the linear vibration of the airframe and the angular motion of the camera. There is a need for a simple device which can be attached to a survey camera in order to record angular motion during actual survey missions.RésuméAprès une brève revue des travaux concernant les mouvements d'une chambre de prise de vue en vol, on discute les tolérances couramment admises pour ces mouvements.Le défaut de montage le plus fréquemment rencontré, est que le centre de gravité de la chambre est au‐dessus de la ligne d'équilibre des forces agissantes.D'où un couplage entre la vibration longitudinale du porte‐chambre et le mouvement angulaire de la chambre. Il faudrait créer un dispositif simple permettant d'enregistrer ce mouvement pendant les vols.ZusammenfassungEs wird ein kurzer Überblick über die Arbeiten zur Bewegung von Luftbildmesskammern gegeben. Die von verschiedenen Autoren für die zulässige Bildwanderung angegebenen Toleranzen werden diskutiert. Der schwerwiegendste Fehler, der am meisten bei den gegenwärtig verwendeten Messkammern auftritt, ist der, dass der Kammerschwerpunkt über der Wirkungslinie der schwingungsdämpfenden Kräfte liegt. Daraus resultiert eine Paarung der linearen Vibration mit der Winkelbewegung der Kammer. Es besteht Bedarf für eine einfache Vorrichtung, die an einer Messkammer befestigt werden kann, um die Winkelbewegungen während des Bildflugs aufzuzeichnen.
AN IMAGE SPLITTER FOR UNDERWATER STEREOPHOTOGRAPHY
Authors: Fryer J. G. , Elfick M. H. 
Published: July 2010

AbstractImage splitting devices which can be attached to the lens of a 35 mm camera in order to produce stereoscopic half‐frames of an object are well known and commercially available. The authors could not find such a device for underwater photography. Constraints in the working environment of their project prevented the use of a multiple camera rig. The design of an inexpensive image splitter for attachment to a Nikonos III underwater camera is described.RésuméOn trouve dans le commerce des dispositifs diviseurs d'image pour des caméras 35 mm, qui permettent d'obtenir sur un même cliché des couples stéréo. Cela ne semble pas exister pour la prise de vue sous‐marine. Les auteurs en ont réalisé un très simple, adaptable à une caméra sous‐marine Nikonos III.ZusammenfassungBildteilungsvorrichtungen für das Objektiv einer 35 mm Kamera zur Herstellung von Stereobildern sind wohlbekannt und werden kommerziell gehandelt. Die Autoren konnten jedoch keine passende Vorrichtung für die Unterwasserfotografie finden. Die Zwangsbedingungen unter den konkreten Arbeitsumständen verhinderten die Anwendung eines Mehrkamerasystems. Der Entwurf eines billigen Bildteilers als Zubehör für eine Nikonos III‐Unterwasserkamera wird beschrieben.
AN OBLIQUE VIEW OF SOME EARLY SURVEY FLYING
Authors: Worton F. J. 
Published: July 2010

AbstractThe author recalls a number of personal experiences which are interwoven with some considerations of the early days of survey flying. Apart from mentioning some well known names, overdue tribute is paid to other personalities who deserve a place in the history of aerial photography applied to surveying.RésuméL'auteur fait état d'un certain nombre d'expériences personnelles, qu'il entrecoupe de quelques considérations sur les premiers temps des levés aériens. Hormis l'évocation de quelques noms bien connus, hommage est enfin rendu à quelques autres personnalités qui méritent de prendre place dans l'histoire de la photographie aérienne appliquée aux levés.ZusammenfassungDer Autor erinnert sich an persönliche Erfahrungen, die mil den Frühtagen des Bildflugs verbunden sind. Neben der Erwähnung einiger wohlbekannter Namen wird auch einigen Persönlichkeiten Tribut gezollt, die einen Platz in der Geschichte der Luftfahrt verdienen.
A TECHNIQUE FOR THE DETECTION AND COMPENSATION OF SYSTEMATIC HEIGHT ERRORS IN BLOCK AERIAL TRIANGULATION
Authors: Abdel Rahim M. M. 
Published: July 2010

AbstractThis paper is concerned with a new technique (the terrestrial/photogrammetric (TP) technique) for the detection and compensation of systematic height errors in block aerial triangulation. The technique improves the height accuracy of such triangulation by reducing the original bridging distance, using new bands of corrected photogrammetric tie points as height control together with the original bands of the terrestrial (or ground) height control. A number of photogrammetric blocks with different characteristics and configurations have been tested in a comprehensive manner. The tests show that the TP technique gives consistent results over a wide range of circumstances and that it is a most effective, simple and inexpensive method for the compensation of systematic errors.RésuméCet article relate une technique nouvelle permettant de détecter et de compenser les erreurs altimétriques systématiques dans l'aérotriangulation par blocs: la technique terrestre/photogrammétrique (TP). Cette technique améliore la précision altimétrique de l'aérotriangulation en réduisant la distance de l'aérocheminement original, grâce à l'utilisation d'un canevas de points d'appuis altimétriques composés de points de liaison photogrammétriques corrigés, en supplément du canevas original de points d'appui altimétriques déterminés sur le terrain.On a essayé de manière approfondie un grand nombre de blocs dotés de caractéristiques et de configurations diverses. Les essais montrent que la technique TP fournit des résultats fiables dans un large éventail de circonstances et que c'est une méthode de compensation des erreurs systématiques efficace, simple et peu coûteuse.ZusammenfassungIm Artikel wird ein neues Verfahren behandelt (das terrestrisch‐photogrammetrische Verfahren (TP)), das zur Aufdeckung und Kompensation system‐atischer Höhenfehler in der Block triangulation dient. Es wird die Höhengenauigkeit durch Verkürzung der ursprünglichen Überbrückungsdistanz verbessert, indem neue Streifen korrigierter Verbindungspunkte als Höhenpasspunkte zusammen mit den ursprünglichen Reihen der terrestrischen Höhenpasspunkte verwendet werden. Eine Anzahl photogrammetrischer Blöcke unterschiedlicher Figur und Charakteristik wurde umfassend getestet. Die Tests zeigen, dass die TP‐Methode konstante Ergebnisse für einen grossen Bereich van Möglichkeiten ergibt und dass es ein höchst effektives, einfaches und billiges Verfahren zur Eliminierung systematischer Fehler ist.
FURTHER PHOTOGRAMMETRIC MEASUREMENT OF A THIN BASE AERIAL FILM
Authors: Cheffins O. W. 
Published: July 2010

AbstractThe practical photogrammetric test of thin base aerial film, described in the previous issue of this journal, was repeated with a new set of diapositives, made after the film had been stored in normal conditions for a period of one year. This paper gives the results obtained from both tests which indicate that no significant distortions occurred in the base film.RésuméOn a réitéré l'essai pratique de photogrammétrie sur du film aérien à support mince décrit dans le numéro précédent de ce bulletin, avec un nouveau jeu de diapositives obtenu aprés que le film ait été conservé dans des conditions normales pendant une période de un an. Cet article fournit les résultats tirés de ces deux essais qui montrent qu aucune déformation significative n‘est apparue dans le film à support mince.ZusammenfassungDie in der vorhergehenden Ausgabe des Record beschriebenen Tests einer dünnen Filmbasis wurden mil einem neuen Satz von Diapositiven wiederholt. Diese wurden hergestellt, nachdem der Film unter normalen Bedingungen ein Jahr aufbewahrt wurde. Es werden die Ergebnisse beider Untersuchungen mitgeteilt, wobei sich ergab, dass keine signifikanten Deformationen in der Dünnschicht auftraten.
REVISION OF ORDNANCE SURVEY 1:2500 SCALE MAPS
Authors: Leonard J. P. 
Published: July 2010

AbstractWith the completion of its programme to produce a national series of 1:2500 scale maps of rural areas, the Ordnance Survey is now faced with the major task of maintaining it up to date and making the revision information available to map users. The organisation and techniques for this are discussed, as are a number of innovations which are being considered.RésuméAvec l'achèvement du programme de réalisation de la série cartographique nationale à l'échelle du 1:2500 des régions rurales, l'Ordnance Survey doit maintenant faire face au maintien à jour de cette série et à la mise à disposition des usagers des données de révision, ce qui va constituer sa tâche principale. Une discussion sur l'organisation et les techniques correspondantes est fournie, prenant en compte l'examen de nombreuses innovations.ZusammenfassungNach Fertigstellung der Kane 1:2500 von ländlichen Gebieten besteht für den Ordnance Survey jetzt die Aufgabe, diese Karte laufend zu halten und die Ergänzungen den Kartennutzern bereitzusteller. Diskussion der Organisation und Verfahren dafür sowie einiger Neuerungen, die in Erwägung gezogen werden.
ACCURACY POTENTIAL OF A SYSTEM FOR ANALYTICAL CLOSE RANGE PHOTOGRAMMETRY
Authors: Earis C. J. 
Published: July 2010

AbstractThis paper summarises the theoretical and practical development of’an analytical system for close range photogrammetry. The system uses the extended bundle method of phototriangulation and a sophisticated least squares algorithm. A description is given of computer software, and aspects of statistical testing and gross error detection are discussed in order to assess the accuracy potential. Applications of the system, for precise co‐ordination of a target range and camera calibration are outlined.
PHOTOGRAMMETRY AT RÉGIE RENAULT†
Authors: Wahl M. 
Published: July 2010

AbstractThe Renault Company has developed a system for the mathematical definition of complex surfaces known as the Unisurf method. In association with this method, close range photogrammetry is used to provide the digital data required for the analysis of a surface. Photogrammetric techniques are of value in various fields of application, including the styling of new models of cars, design modifications to existing models, car accident investigations and statistical studies on human bodies.
THE INTERNATIONAL COMMITTEE FOR ARCHITECTURAL PHOTOGRAMMETRY: A REVIEW OF PAST ACHIEVEMENTS AND FUTURE INTENTIONS
Authors: Carbonnell M. , Dallas R. W. A. 
Published: July 2010

AbstractThe functions of CIPA. the International Committee for Architectural Photogrammetry, are reviewed. The Committee, established in 1970, has been the focus for developments in architectural photogrammetry. The objectives of CIPA and the methods of collecting and distributing information are discussed. Publications, meetings and technical studies sponsored by CIPA have been numerous and details of these are given. The future direction of CIPAs work is also considered. A bibliography of all major publications from CIPA is provided.
THE DEVELOPMENT OF AN INEXPENSIVE RETRACTABLE VERTICAL CAMERA RIG FOR A LIGHT AIRCRAFT
Authors: Ekin W. H. 
Published: July 2010

AbstractThe development and operation of an inexpensive retractable vertical camera rig is described. Unlike several commercially available camera packages, the cameras on this rig are accesible in flight thus permitting the changing of magazines and other operations. Since the camera carriage is only deployed when over the site to be photographed, the aircraft performance is not degraded during positioning flights.
AN ANALYTICAL APPROACH TO MAP REVISION
Authors: SEARLE P. R. E. 
Published: July 2010

AbstractThis paper describes the application of projective transformations to single photograph map revision. The technique, which does not require knowledge of the camera principal distance. provides a rigorous determination of the plan coordinates of new or changed detail. A desk top microcomputer system with digitising tablet and graphics plotter will give a relatively low cost, accurate and portable map revision capability.
IMAGES FROM SPACE: THE FUTURE FOR SATELLITE PHOTOGRAMMETRY
Authors: Dowman I. J. 
Published: July 2010

AbstractThe requirements for 1:50 000 scale mapping are reviewed and the potential of satellite data for topographic mapping is considered in that context. Ground control and alternatives in the form of sensors on the satellite are discussed. The application of data from photographic and push broom sensors is considered in terms of information content, geometry and available plotting equipment. The paper concludes with a brief consideration of the possibility of using digital compilation.
ORDNANCE SURVEY EXPERIENCE WITH PHOTOGRAPHY FROM SPACE
Authors: Snowsill D. M. 
Published: July 2010

AbstractThe Ordnance Survey of Great Britain (OS) is a Principal Investigator for the Metric Camera experiment being organised by the European Space Agency (ESA). Two investigations are being conducted by the OS, both concerned with the potential value of the photography for topographic mapping and map revision. The first relates to Great Britain and the second relates to the developing countries of the world. Neither of these investigations is complete and only interim results and conclusions can be presented.
FURTHER DEVELOPMENTS OF AN INEXPENSIVE RETRACTABLE VERTICAL CAMERA RIG FOR A LIGHT AIRCRAFT
Authors: Ekin W. H. , Deans N. D. 
Published: July 2010

AbstractThe development and operation of a remote control system for a camera rig and for the camera attached to it are described. Now there is the possibility of reducing the crew from three to two for many tasks and to use the extra payload to collect contemporaneous data using a second airborne system.
ENGINEERING APPLICATIONS FOR THE WILD NTP CONCEPT
Authors: Vozikis E. 
Published: July 2010

AbstractThis paper discusses a number of the theoretical and practical aspects of the use of photogrammetric methods in solving problems that arise from the measurement techniques employed in engineering applications. A brief description is given of the theoretical principles on which the NTP (non‐topographic photogrammetry)concept, developed by Wild Heerbrugg, is based and examples of practical projects which have employed this approach are presented. Future prospects are examined and conclusions are drawn concerning the economy and accuracy that can be achieved by techniques based on this concept.
INPUT OF PHOTOGRAMMETRIC DATA TO GEOGRAPHICAL INFORMATION SYSTEMS
Authors: Walker A. S. 
Published: July 2010

AbstractPhotogrammetric data form a major input to geographical information systems. The evolution of digital output from stereoplotters is traced, from hardwired devices producing co‐ordinates or hardcopy to direct links with sophisticated GIS software. The view that the transfer and reformatting processes are simple and straightforward is examined and it is suggested that considerable labelling and structuring of data are necessary before the full power and flexibility of GISs can be harnessed. Hence it is argued that on line database creation by means of stereoplotter/GIS interfaces may not be the most cost effective procedure.
LEAST SQUARES MATCHING METHOD: SOME EXPERIMENTAL RESULTS
Authors: Rosenholm D. 
Published: July 2010

AbstractThe effect on accuracy resulting from some changes to the conventional least squares matching method is investigated. Parallaxes computed automatically with matching methods have been compared with manual measurements made in a stereocomparator. Examples have been taken from both large and small scale aerial photographs and from close range images. Different linear geometric and radiometric parameters have been used as additional unknowns. The use of data snooping in digital matching with the least squares matching method has also been investigated. The results show that the introduction of additional affine parameters has a positive effect on the accuracy when the window size is larger than 30 × 30 pixels. The use of the data snooping technique is promising. The best precision obtained was between 10 pm and 15 μm, expressed as radial root mean square deviation, corresponding to approximately half a pixel. Gross error detection is possible to a large extent with photographs of good image quality.
REQUIREMENTS FOR PHOTOCONTROL
Authors: Leatherdale J. D. 
Published: July 2010

AbstractMost normal requirements of photocontrol for mapping are outlined in terms of accuracies, patterns and densities of points, and methods of identification. An established mapping organisation is well able to make the necessary allowances for particular local difficulties.Ground control remains an expensive, high risk and time consuming part of the map production process which should be kept to a minimum by using aerial triangulation and airborne control where appropriate. Once the GPS (global positioning system) satellites become fully operational, the approach to control will have to be reassessed.
QUALITY ASSESSMENT OF DIGITAL ELEVATION MODELS PRODUCED BY AUTOMATIC STEREOMATCHERS FROM SPOT IMAGE PAIRS
Authors: Day T. , Muller J.‐P. A. L. 
Published: July 2010

AbstractA number of published steromatching algorithms have been implemented and tested on SPOT images of areas for which gridded digital elevation models (DEMs) are available with spacings of 80 m or less, as well as ground control checkpoints.Results are presented for comparison of stereomatched output with the DEMs as well as an analysis of the errors arising and their causes. Results are discussed for planimetrically geocoded and epipolar resampled data. An error budget describing effects due to orientation, feature localisation and matching are discussed and conclusions drawn for future work in this area.