Systems for data processing, anaylsis and representation

Allam, Mosaad; Plunkett, Gordon

Bibliographic data

Monograph

Persistent identifier:: 1067490280

Title:: Systems for data processing, anaylsis and representation

Sub title:: ISPRS Commission II Symposium : June 6 - 10, Ottawa, Canada

Scope:: 1 Online-Ressource (XX, 530 Seiten)

Year of publication:: 1994

Place of publication:: Ottawa

Publisher of the original:: The Surveys, Mapping and Remote Sensing, Natural Resources Canada

Identifier (digital):: 1067490280

Illustration:: Illustrationen

Signature of the source:: ZS 312(30,2)

Language:: English

Additional Notes:: Erscheinungsdatum des Originals ist aus dem Copyrightjahr ermittelt.

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

Editor:: Allam, Mosaad; Plunkett, Gordon

Corporations:: Symposium Systems for Data Processing, Analysis and Representation, 1994, Ottawa; International Society for Photogrammetry and Remote Sensing; International Society for Photogrammetry and Remote Sensing, Commission Instrumentation for Data Reduction and Analysis; Kanada, Surveys, Mapping and Remote Sensing Sector

Adapter:: Symposium Systems for Data Processing, Analysis and Representation, 1994, Ottawa; International Society for Photogrammetry and Remote Sensing; International Society for Photogrammetry and Remote Sensing, Commission Instrumentation for Data Reduction and Analysis; Kanada, Surveys, Mapping and Remote Sensing Sector

Founder of work:: Symposium Systems for Data Processing, Analysis and Representation, 1994, Ottawa; International Society for Photogrammetry and Remote Sensing; International Society for Photogrammetry and Remote Sensing, Commission Instrumentation for Data Reduction and Analysis; Kanada, Surveys, Mapping and Remote Sensing Sector

Other corporate:: Symposium Systems for Data Processing, Analysis and Representation, 1994, Ottawa; International Society for Photogrammetry and Remote Sensing; International Society for Photogrammetry and Remote Sensing, Commission Instrumentation for Data Reduction and Analysis; Kanada, Surveys, Mapping and Remote Sensing Sector

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:: Monograph

Collection:: Earth sciences

Chapter

Title:: [Wednesday, June 8, 1994]

Document type:: Monograph

Structure type:: Chapter

Chapter

Title:: [Session G-1 WG II/1 - Real-Time Mapping Technologies - Sensor Integration]

Document type:: Monograph

Structure type:: Chapter

Chapter

Title:: DEMONSTRATION OF SELECTED ASPECTS OF A UTILITY MAPPING SYSTEM (UMS) by Dean Merchant, Topo Photo, INC. Robert Tudhope, Ontario Hydro

Document type:: Monograph

Structure type:: Chapter

ints des On ment 1/10 ment Avec ites Y et aire > la sans ABSTRACT DEMONSTRATION OF SELECTED ASPECTS OF A UTILITY MAPPING SYSTEM (UMS) by Dean Merchant, Topo Photo, INC. Robert Tudhope, Ontario Hydro Mapping power distribution lines presents a unique photogrammetric challenge. The homogeneous character of a power cable precludes the identification of conjugate imagery in the photo-base direction when photography is flown in the direction of the. power line. By locating small, digital array cameras in the wing tips of low flying aircraft, the error in image identification occurs in the cross-base direction (y-parallax) and does not present a problem in computing conjugate ray intersections for measurement of elevation and horizontal position normal to the direction of the cable. A program of research was sponsored by Ontario Hydro of Toronto to test this "cross-base" concept for power line surveys. Results indicate that the cross-base concept is feasible and can meet required spatial accuracies provided care is taken in providing strong geometry and calibrating the photogrammetric system in the air. Requirements by utilities for spatial accuracy on cables, towers and insulator attach points are described. Results obtained from flight tests are presented. 253

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