International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XXXV, Part B2. Istanbul 2004 
the mosaic on the right was processed with OPPP’s automatic orientation data are input into the OPPP and a DEM, 
color balancing feature. orthophoto, and contour map are generated for each model, 
followed by a mosaic of the entire block. 
ollywood 
«com 
S.A. — 
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Figure 2. The Spectrum Mapping, LLC 4096 x 4096 color 
digital frame camera has two lenses with focal 
lengths of 50 mm and 90 mm. 
PHOTO 
FLIGHT PLAN 
te Sensing 
ial Survey 
  
  
  
   
  
   
  
  
  
       
omatically 
-time. The i 
an RC-30 ASCOT : 
le strip of 2 
rips of 12 g 
dware and = 
mentation 1 
tour map, Figure 1. Orthophoto mosaic generated by the OPPP software M 
presented using scanned RC-30 photographs. A & C — Color mre st DIGITAL FRAME 
rammetric unbalanced; B & D — Color balanced. 
vehicle to 
  
During phase IT the integration of the RTPMS hardware and I 
software components was completed and an assessment of the 
2.2 Phase IT / 
POS/DG DIGITAL IMAGE 
DATA STORAGE 
  
  
  
  
  
     
OPPP software performance was conducted. / 
ing Phase Real-Time DN 
e I-time 3 ; SBET 
real-time Hardware/Software Integration Flight Plan >> 
One-Path : Completed be Noe 
A << 1 
rated the As part of phase II, a 4k x 4k DFC with an exposure-time rate - 2 
n System of 1.5 seconds was acquired from Spectrum Mapping, LLC DLL POSEO bh 
ne testing (Figure 2). The DFC has a format of 4,096 x 4,096 pixels with a [ y 
currently pixel size of 9 micrometers and two lenses with focal lengths of / 3 
duled for 90-mm and 50-mm. In order to achieve the real-time processing 
    
capability, the DFC and -POS software were modified for 
integration with the OPPP. The DFC acquisition software was 
modified to output digital images directly in TIF format, and 
incorporated a DLL version of the Applanix POSEO software. 
! 
ORIENTATION CAMERA 
FILE DID CALIBRATION 
(xyzo 6x) (HP) FILE 
  
  
real-time 
  
  
  
   
  
  
  
  
      
LE several Figure 3 outlines the general processing flow for the RTPMS. A PPP 
| Interior- pre-defined flight plan is generated identifying flight lines and 
ho-image photo numbers, with pre-determined photo-center locations. 
ient, and The flight plan is input into the ASCOT. The ASCOT navigates | 
n, written to each photo center and triggers the DFC at each pre- | | 
| PC with determined photo-center according to the flight plan. Using DEM | ORTHO CONTOUR 
? primary precise time, each photo is associated with position and ; MAP 
ight plan orientation parameters acquired by the POS. A real-time 
ind photo smoothed best-estimate trajectory (SBET) is generated based on [ 
o mosaic the time-tagged photo events. A DLL version of POSEO 
Figure 1. computes the orientation parameters (x, y, z, ®, ¢, K) for each MOSAIC 
ed while photo center and an orientation file is generated. The digital 
image data, camera calibration parameters, and the position and TS 2 € 
be Tax : pars 2 P Figure 3. RTPMS general processing flow. 
63