Remote sensing for resources development and environmental management: Remote sensing for resources development and environmental management

damen, m. c. j.

Bibliographic data

Multivolume work

Persistent identifier:: 856342815

Title:: Remote sensing for resources development and environmental management

Sub title:: proceedings of the 7th international Symposium, Enschede, 25 - 29 August 1986

Year of publication:: 1986

Place of publication:: Rotterdam; Boston

Publisher of the original:: A. A. Balkema

Identifier (digital):: 856342815

Language:: English

Additional Notes:: Volume 1-3 erschienen von 1986-1988

Editor:: Damen, M. C. J.

Document type:: Multivolume work

Volume

Persistent identifier:: 856662364

Title:: Remote sensing for resources development and environmental management

Sub title:: proceedings of the 7th international Symposium, Enschede, 25 - 29 August 1986

Scope:: VI, Seiten 959-1074

Year of publication:: 2016

Place of publication:: Rotterdam; Boston

Publisher of the original:: A. A. Balkema

Identifier (digital):: 856662364

Signature of the source:: ZS 312(26,7,3)

Language:: English

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

Editor:: Damen, M. C. J.

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:: Volume

Collection:: Earth sciences

Chapter

Title:: Keynote addresses

Document type:: Multivolume work

Structure type:: Chapter

Chapter

Title:: Development and state of the art of remote sensing. G. Konecny President of ISPRS Institute for Photogrammetry, University of Hannover, FR Germany

Document type:: Multivolume work

Structure type:: Chapter

Symposium on Remote Sensing for Resources Development and Environmental Management/Enschede/August 1986 © 1987 Balkema, Rotterdam. ISBN 906191 674 7 969 Development and state of the art of remote sensing G.Konecny President of ISPRS Institute for Photogrammetry, University of Hannover, FR Germany Commission President Beek, dr Van Spiegel, Presi dents for the Netherlands ' Societies for Photo grammetry and Remote Sensing Ligterink and Konij- nenburg, Distinguished Dignitaries and Friends of Photogrammetry and Remote Sensing: During the Congress Period 1984 to 1988 of our International Society this is the 4th Symposium. The over 450 registered participants also prove that it is our largest. Obviously the subject matter of Commission VII, Interpretation of Data in Photogrammetry and Remote Sensing has something to do with the large number of participants. Commission VII has once before, in the 1960 's been under the guidance of our Dutch colleagues. At that time the emphasis was on photo-interpret ation, which beside photogrammetry formed the second leg of the ITC in Delft, which had nearly 10 years of its existence. Today the ITC is situated with much larger facil ities in Enschede and photogrammetry constitutes but one part in the multitude of survey and earth science disciplines represented here. All have a common basis, in as much as significant data acqui sition for them is done by remote sensing. Therefore it is very appropriate, that the ITC and the Ne£ls&p.Vcmds'societies for photogrammetry and remote sensing host our ISPRS Commission. This experience of the ITC is all the more important for our International Society, in as much as remote sensing is currently at the cross roads. Leadership to Dutch institutions is not new in our field. We should remember here, that the ITC has been established and formed due to the fore sight of Prime Minister Schermerhom, who at the same time was an energetic and brilliant photo- grammetrist and our ISPRS honorary member. When he was elected as president of the International Society of Photogrammetry at the ISP congress of 1938 in Rome, none could guess that he was pre vented of fulfilling his promise to organize the next congress until 1948 in Scheveningen. Scher merhom not only reconvened ISP after World War II, but on the basis of his pre-war experiences in Southeast Asia he concentrated his efforts in the education of photograrnmetrists to the devel oping countries by establishing the ITC. Under the continued efforts of his successors Van der Weele and Beek this institution has grown to the most important educational institution in our field in the world, and it is hardly possible to go to a country, where leading personnel in photo grammetry and remote sensing has not been trained at the ITC. The Netherlands were at the same time active with the rejuvenation of our International Journal Photogrammetria after World War II with Profes sors Schermerhom and Van der Weele as long year editors until Professor Hothmer took this duty over in 1984. We are confident in the ISPRS Coun cil, that Commission VII is in very good hands. We, from the Council attach special significance to the mid-congress symposia. This is why three of our six Council members are present here: Secretary General Torlegdrd from Stockholm, Con gress Director Murai from Tokyo, and myself from Hannover. I would like to thank Professor Beek for giving me the honour of having invited me as keynote- speaker this morning. But before I begin let me make an announcement: It is my sad duty to inform you that a few days ago, our ISPRS honorary member, Professor Schwidefsky from Karlsruhe in Germany has sudden ly passed away at an age of eighty. I would ask you to rise for a few moments in memory of his contributions. Thank you. ABSTRACT: The title of ny address today is: "Development and State of the Art of Remote Sensing". In discussing the topic I would first like to comment on what my definition of remote sensing is; I would secondly like to shortly trace the development of 'remote sensing. Thirdly, I would like to describe the state of the art with a series of slides. Fourth, I would like sketch out future trends and fifth, I would finally like to describe as to what I consider the role of remote sensing within ISPRS. 1 DEFINITIONS I consider under remote sensing a system, which permits to determine information of distant objects without direct contact. The indirect contact must therefore be established by means of energy fields. While I do consider point source information also as remote sensing, I am as photogrammetrist and mapping expert, however, only interested in remote sensing systems, which can directionally separate object information and thus permit to create images, from which, after geometrical transformations, maps or map like products can be generated. The human senses, such as vision, and hearing also operate on these principles, but because they do not record images, I do not consider them as remote sensing systems. While mechanical waves are primarily used in sensing solids and liquids, the electro-magnetic spectrum permit to sense solid surfaces and gases through vacuum or air. A remote sensing system therefore requires radiation from an energy source, reflection at the object and recep

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