4. Commission | Resolutions Committee 
Dr. P. D. Carman (Canada) was appointed chair- 
man of an ad-hoc Resolutions Committee. The 
chairmen of the Working Groups were asked to 
supply further candidates to the Resolutions 
Committee. 
5. Role and Position of Remote Sensing 
A short discussion was held on the role of remote 
sensing and its position with the Technical Com- 
missions. Mr. S. G. Méller (Sweden) stated that 
natural resources vanish, that pollution is in- 
creasing, and that the world population would 
double up to 2010. He said that photogrammetry 
and remote sensing are the only means to observe 
the world-wide situation of the landscape and 
the changes in it and to supervise land use and 
misuse. l.S.P. should therefore be organized in 
commissions for landscape information, data 
reduction with mathematical and electronic 
analysis of data, interpretation of data, and for 
presentation of data, updating and filing. 
Dr. L. Sayn-Wittgenstein (Canada), President of 
Commission VII, replied that the question of the 
role of remote sensing in |.S.P. would have to be 
dealt with at the Congress and definite action 
was mandatory. The Commission VII Resolutions 
Committee would cooperate closely with its 
counterpart in Commission | on the matter. 
After some comments on the technical procedure 
of the sessions by Mr. B. Adolfsson (Sweden), 
Secretary, the meeting was adjourned. 
Wednesday, July 14, 1976, from 14.00 to 15.30 
Session 2 of Commission | 
Topic: Commission | Progress Report — 
Image Geometry 
Chairman: Dr. E. P. Welander (Sweden) 
Commission Report 
Author: Dr. E. P. Welander (Sweden) 
Title: Primary Data Acquisition CR 1/0. 
Leading off the Image Geometry session, Presi- 
dent We/lander summarized the Commission | 
report for the 1972— 1976 period noting that the 
classical concept of "image acquisition" has 
been replaced by "data acquisition" because of 
the development of both aircraft and satellite 
electro-optical sensor systems with digital re- 
cording capabilities. Despite these new systems, 
however, classical photogrammetric photography 
will remain the predominant medium for topo- 
graphic mapping tasks, although a marked in- 
crease in the utilization of improved camera sys- 
tems mounted in high-altitude jet aircraft is 
evident. 
In 1972— 1973 the three Working Groups already 
mentioned in connection with the Business 
Meeting had been established: 
WG 1/1 Image Geometry 
Chairman: Dr. H. Ziemann (Canada) 
Co-chairman: Dr. D. C. Merchant (U.S.A.) 
84 
WG 1/3 Remote Sensing 
Chairman: Dr. W. A. Fischer (U.S.A) 
WG 1/2 OTF/MTF 
Chairman: Mrs. C. Norton (U.S.A.) 
Dr. Welander concluded the introduction by out- 
lining the technical program of Commission | 
during the Congress. 
Working Group Report 
Author: Dr. H. Ziemann (Canada) 
Title: Preliminary Report of the Working 
Group on Image Geometry WGR 1/02 
Dr. Ziemann summarized the work carried out so 
far by the Working Group on Image Geometry. 
An attempt was being made to determine dif- 
ferences between various camera calibration 
procedures. Two reseau cameras Zeiss RMK AR 
15/23 and Wild RC-8 15UAg R10 had been cali- 
brated by means of visual calibration with hori- 
zontal and vertical goniometers, by means of 
photographic calibration with a bank collimator 
or two-dimensional multicollimator, with the 
ITEK Artificial Stellar. Calibrator, by two stellar 
calibration methods and using test fields photo- 
graphy of five test fields. Although considerable 
data are still to be reduced, marked differences 
have been noted in the distortion and image 
quality characteristics at comparable field angles 
and image parts. 
The determination of the MTFs of camera lenses 
by different laboratory methods and using aerial 
photography of three bar test field were also 
found necessary. Analyses of the relationships 
between radial distortion, image quality and 
pointing errors are being conducted. 
The following institutes and persons have par- 
ticipated in the work: 
Canada: 
National Research Council Mr. H. Brown 
(NRC) Dr. P. D. Carman 
Dr. H. Ziemann 
Finland: 
Mr. J. Hakkarainen 
Mr. H. Salmenperá 
Helsinki University of 
Technology (HUT) 
F.RG.: 
Carl Zeiss, Oberkochen Dr. W. Lorch 
Dr. H.-K. Meier 
Physikalisch-Technische Dr. K.-J. Rosenbruch 
Bundesanstalt (PTB) 
University of Bonn (UB) Mr. K. H. Ellenbeck 
Dr. G. Kupfer 
Switzerland 
Wild Heerbrugg Mr. G. Bormann 
U.S.A. 
Air Force Avionics Laboratory Mr. E. L. Gliatti 
Mr. W. C. Martin 
Mr. J. S. Strahle 
Mr. R. H. Howell 
Mr. J. A. Voggenthaler 
Mr. L. W. Fritz 
Mr. C. C. Slama 
U.S. Geological Survey Mr. W. P. Tayman 
A preliminary Working Group Report was available. 
Due to a series of unexpected delays no final 
results could be presented. The work would be 
continued. 
DBA Association 
ITEK Corporation 
National Ocean Survey