Actes du Symposium International de la Commission VII de la Société Internationale de Photogrammétrie et Télédétection: Actes du Symposium International de la Commission VII de la Société Internationale de Photogrammétrie et Télédétection

Laidet, L.

Actes du Symposium International de la Commission VII de la Société Internationale de Photogrammétrie et Télédétection (Volume 2)

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Persistent identifier:: 1669258823

Title:: Actes du Symposium International de la Commission VII de la Société Internationale de Photogrammétrie et Télédétection

Sub title:: Toulouse, 13 - 17 Septembre 1982

Year of publication:: 1982

Place of publication:: Toulouse

Publisher of the original:: [Verlag nicht ermittelbar]

Identifier (digital):: 1669258823

Language:: English

Editor:: Laidet, L.

Corporations:: International Society for Photogrammetry and Remote Sensing, Commission VII, Interpretation of Data

Adapter:: International Society for Photogrammetry and Remote Sensing, Commission VII, Interpretation of Data

Founder of work:: International Society for Photogrammetry and Remote Sensing, Commission VII, Interpretation of Data

Other corporate:: International Society for Photogrammetry and Remote Sensing, Commission VII, Interpretation of Data

Document type:: Multivolume work

Volume

Persistent identifier:: 1669259897

Title:: Actes du Symposium International de la Commission VII de la Société Internationale de Photogrammétrie et Télédétection

Scope:: XV, 415 Seiten

Year of publication:: 1982

Place of publication:: Toulouse

Publisher of the original:: [Verlag nicht ermittelbar]

Identifier (digital):: 1669259897

Illustration:: Illustrationen, Diagramme

Signature of the source:: ZS 312(24,7,2)

Language:: English

Additional Notes:: Erscheinungsdatum des Originals ist ermittelt.

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

Editor:: Laidet, L.

Corporations:: International Society for Photogrammetry and Remote Sensing,, Commission VII, Interpretation of Data

Adapter:: International Society for Photogrammetry and Remote Sensing,, Commission VII, Interpretation of Data

Founder of work:: International Society for Photogrammetry and Remote Sensing,, Commission VII, Interpretation of Data

Other corporate:: International Society for Photogrammetry and Remote Sensing,, Commission VII, Interpretation of Data

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:: Volume

Collection:: Earth sciences

Chapter

Title:: WG VII-1 METHODOLOGIE POUR L'AMELIORATION ET LA CLASSIFICATION THEMATIQUE DES DONNEES VISIBLES ET INFRAROUGE. - METHODOLOGY FOR ENHANCEMENT AND THEMATIC CLASSIFICATION OF VISIBLE AND INFRARED DATA.

Document type:: Multivolume work

Structure type:: Chapter

Chapter

Title:: [SESSION 1 1.6.] THE EFFECT OF DATA REDUCTION ON IMAGE INTERPRETATION by N A McEVOY and M H B THOMAS [...]

Document type:: Multivolume work

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These are the instruments whose data can be {ed to the tape recorder, A compression factor of 4 reduces the data rate from the OCM £o 700 kbits/s. We have examined various combinations of instruments sending data to the tape recorder. For example, with all these instruments switched on, a 5 Gbit tape recorder would be full after 24.7 minutes, but data compression would increase this to 63.5 minutes, 40 that 2.6 times as much data can be stoned and played back. If only the OCM by itself were switched on, coverage £8 obviously improved by a factor of 4. 6 CONCLUSTONS Data compression presents a way of greatly increasing the coverage area for the case where data is being recorded and played back to a ground station. The penalty wich ispaid is a degree of error in the digital imagery. However, these emons ane considenably smaller than the system errors and the uncertainty in user algorithms. 7 ACKNOWLEDGEMENTS This work was supported by the European Space Agency under contract n° 4835/81 /NL/HP (SC). Thanks are also due to M. J-C Degavre of ESTEC and to DR S M Singh of Dundee Unviensity for their help and encouragement. REFERENCES 1 Charlton J A, 1979, Proc Remote Sensing Society Conference, Dundee. 2 McEvoy N A, 1981 Proc Remote Sensing Society Conference, London. 3 Rice R F, 1975, SPIE Seminar Proceedings on Efficient Transmission of Pictorial Information. MODE DE Le: de télédétect ont conduit à Le par la photoi! simulées numé Le et trois grou pondantes à r d'application Il comme la lect Th imagery for t another appro Th photointerpre following pha Th groups of int realised by t of this metho It reading which

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