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- Tests and performance, concerning experimental tests and theoreti- 
cal assessment; 
- Impact of automation on institutional and human environment, on 
compatibility, support, and changing technology; 
These main terms were differentiated further (vide Ottawa report). 
Indiviual W.G. members identified the areas of their interest and. 
some more specific topics. The latter tend to reflect research and 
development efforts of the members. Accordingly, a plan of activi- 
ties and a schedule for the W.G. events was drawn up. 
This report reviews chronologically the W.G. activities, summarises 
the development trends in the problem area, and gives some consider- 
ation to management of the W.G. 
SUMMARY OF ACTIVITIES DURING 1981 - 82 
The W.G. was reactivated in spring 1981; it comprised 20 members. 
First, the existing terms of reference were reviewed, upgraded, and 
further differentiated. Then the effort was focussed on three major 
areas of interest, i.e., advances in automation, integrated systems, 
and tests and performance (vide Ottawa report). 
Communication was mainly written, i.e., by means of the W.G.  news- 
letters and personal correspondence. In November 1981, the first 
W.G. meeting took place (jointly with the W.G. II-1) in Rockville, 
Maryland, U.S.A. There were three joint business meetings and two 
technical sessions for informal presentations of papers by the mem- 
bers of both W.G.s (annex 2). The main aim of the Rockville meeting 
was preparation for the Commission II Symposium (Ottawa, 1982). 
In Ottawa, two joint business meetings were held with W.G. II-1, one 
before and another at the end of the symposium. W.G. II-2 held two 
technical sessions at which 10 papers were presented covering a wide 
spectrum of topics (annex 3). There was also a joint panel discus- 
sion session of W.G. II-l and II-2. The theme was "Trends in deve- 
lopment of digital and automated instrumentation." 
ACTIVITIES DURING 1983 - 84 
After the Ottawa symposium, attention was focussed on three main 
areas, i.e., new concepts and development, integrated systems, and 
tests and performance. These areas are interdependent and partly 
overlapping. The intention was to attain convergency in the ef- 
forts. 
Several W.G. members have contributed to new concepts and develop- 
ments. G.L. Hobrough and T.B. Hobrough have developed a new system 
for digital stereoimage perception and mensuration for robots. R.R. 
Real developed a portable system for digital processing of dynamic 
video imagery. T.0. Binford and H.H. Baker conceived a two stage 
(off-line) digital image matching system, i.e., by starting with 
edges and then proceeding to areas. G. Pape continued and accom- 
plished the development of the Rastar correlator, and F.A.  Scarano 
introduced some advanced concepts for digital image matching. 
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