972 
groups such as AARS, AERSeL, SELPER, the African 
Council of Remote Sensing. 
Lastly in some countries independent Remote Sen 
sing Societies were formed independent of the acti 
vities in ISPRS. 
There are other bodies such as IAF, IGARSS of IEE, 
and ERIM conducting well organized remote sensing 
meetings. 
We have taken the liberty to invite all these 
groups to meet on Wednesday at this symposium in a 
socalled Joint Board of Remote Sensing Activities. 
It cannot be the sense of this meeting to create 
one organization of remote sensing. But on the other 
hand noone can find duplication, proliferation and 
overlaps very desirable. 
Therefore we will come together in the intent to 
form a coordinating group, which at annual intervals 
can meet for the purposes: 
- to listen to each other 
- to schedule our meetings without duplication 
- to exchange speakers at such occasions 
- perhaps we may even establish some sort of roof 
organization for this purpose. 
If we achieve mutual understanding here, then we 
have done something for a unified approach in remote 
sensing, an approach which may even influence 
governments to cooperate together in space efforts. 
Satellites fly around one earth, we are one socie 
ty, and I am happy to announce that we have within 
ISPRS an intercommission Working Group "Camera Sys 
tems from Space", which is able to exchange informa 
tion between the West and the Socialist Countries of 
the East. 
We have met at many UN cartographic conferences in 
many parts of the world and know that our work makes 
real progress. 
Let me express the hope as well, that ITC with its 
worldwide scope and its international relations to 
the developing countries can enhance the understand 
ing further during this meeting and during the con 
gress period. For the benefit of remote sensing, for 
the benefitof man and his world. 
Sympos 
Remote s< 
Herman Th. Ve 
International Insi 
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INTRODUCTION 
Summarizing the 
the present 7th 
International S 
Sensing (ISPRS) 
it has to be d 
without the pos 
and compression 
quiet contempla 
future may even 
conditions if t 
velopment. Fort 
sing applicatio: 
detected that ms 
into the future 
today somewhat 
tions to limit 
conclusions. 
First, I thi: 
developments du 
paring the sta- 
symposium of Cor 
Delft, with th« 
the papers pres« 
this 7th symposi 
I will then, 
tempt to extrap 
of similar leng 
that my guesswoi 
the 14 th sympos 
2014. A longer 
realistic. 
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by introducing 
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sentation will 1 
IN RETROSPECT 
The 1962 sympos