Full text: New perspectives to save cultural heritage

CIPA 2003 XIX th International Symposium, 30 September - 04 October, 2003, Antalya, Turkey 
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INFO 
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PICTURE 1 
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PICTURE2 
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PICTURE3 
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PICTURE4 
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VISIT 
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ARCHITECH 
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Figure 2. Picture of Nikon Coolpix 950 Digital Camera 
Pictures were opened at 3dvista Studio by order. After 
alignment and stitching process, we got panorama. Panoramic 
image was converted to a video file. The file extension is mov. 
It’s well-known file format for Quick Time Player. So we 
managed to convert an image file to video file. It gives 
opportunity to use easily because of common video file format. 
End users don’t encounter any problem to play the movie file. 
Table 1. Database was obtained at third block directory 
3. INTEGRATION OF PANORAMIC IMAGE 
To obtain video documentation, several steps were 
implemented: 
1. Photographs were taken so that panoramic image can 
be obtained. 
2. Point which photos were taken measured by handheld 
GPS. 
3. Digital photos were transferred to computer in order 
to build panorama. 
4. Point which was measured by GPS was determined at 
TIS as node graphic data. 
5. At the layer, Panoramic image was linked to database. 
All steps were applied by order according to some detail which 
emphasis at below. 
3.1 Building Panoramic Image 
Sultanahmet square was chosen for panoramic image. A lot of 
place such as Blue Mosque, Hagia Sophia Museum and other 
historical monuments were taken because of wide vision 
capabilities of panorama. Therefore, opportunity was given to 
show a lot of monument. To build panorama, digital camera 
Nikon Coolpix 950 (Figure 2), tripod were used. Trial version 
of 3dvista studio was also used as software. While photograph 
point was chosen, we paid attention to catch best view best 
point. So all important monument could be showed at one 
image. 
Taking photo is beginning from Sultanahmet Mosque. After 
rotating 360 degree we reach Sultanahmet Mosque view again. 
Preceding image overlapped following image at most %50. 
Therefore, a cylindrical panorama was obtained. Figure 3 
illustrates structure of cylindrical panorama. 
Figure 3. Cylindrical panorama 
3.2 Determining Coordinates with GPS 
After measurement with handheld GPS, we obtained ED50 
datum Cartesian coordinates. The Cartesian coordinates should 
have projected to 3 degree Gauss-Kruger Cartesian coordinates. 
First, ellipsoidal Cartesian coordinates were converted to 
ellipsoidal geographic coordinates. Then, Gauss-Kruger 
Conform Projection was calculated from ellipsoidal geographic 
coordinates. Table 2 and Table 3 illustrate coordinates and 
projection result for GPS measurement. 
Point No. 
Y(m) 
X(m) 
N.l 
666 396 
4 541 618 
Table 2. Coordinates which obtained from GPS 
Gauss-Kr. 
Cartesian Coord. 
Y (m) 
X (m) 
N.l 
414 071.052 
4 542 051.582 
Table 3. Gauss-Kruger Cartesian Coordinates 
3.3 Transferring of Panorama to TIS 
Coordinates which were obtained above, were pointed at video 
documentation layer. Database type was the same as preceding 
database. So, file path name was entered as data (Table 4.). 
Figure 4 explains how to provide integration between panorama 
and TIS. Perspective view of Historical peninsula is showed in
	        
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