Internatior 
UTILI 
“Department © 
KEY WORDS: Data 
ABSTRACT 
Airborne laser altime 
With minimal proce: 
precision. Although 
data having no the 
photogrammetry in th 
The research describe 
scanner data and digi 
(DSM) produced froi 
providing accurate h« 
obtain the benefits of 
The paper presents p 
data. The data set us 
1 INTRODUCTIO! 
Highly accurate mod 
becoming widely u: 
orthophoto producti 
and 3D building rec 
models of urban area 
digital photogramm« 
generation have adva 
The research presen 
laser scanner data 
accurate model of the 
project. In the first 
source and are acc 
system. The secon 
information from th 
delineate surface disc 
the edge information 
DSM which more « 
produced. 
Digital photogrami 
reconstruction have E 
cost effectiveness of 
flat areas, and whe 
(Krzystek and Ack: