Full text: XVIIIth Congress (Part B5)

4. RESULTS 5. DISCUSS 
The following illustrations show the grid, the rendered 
surface and a left right comparison of some longi- 
tudinal sections of the lateral view of a measured 
As well as the right-left comparison a prae-post- 
Application: 
operative comparison is possible, shown in fig. 
niques refer 
   
     
       
   
        
      
    
       
  
    
     
    
    
  
          
    
    
        
       
       
      
     
     
     
        
   
      
       
    
   
    
   
    
     
  
  
   
   
  
      
        
      
         
    
  
   
   
   
     
     
   
    
   
        
     
  
    
     
  
  
  
  
        
  
  
  
  
  
  
  
7a,b,c. In this case, only minimal changes are visible, presented. 
plaster cast (fig. 6a,b,c). The number of points to functional aspects more than cosmetical aspects This technc 
calculate the meshes is 1.5 times as high as the were the general reason for the surgical intervention. documentat 
orginal number of measured image points. The The problem area in these cases is the mouth, the short time 
interpolation method is a cubic B-spline. The point of representation of the lips is not satisfying, as conditioned 
view is the same as in the X-rays and well-known to mentioned above a possible reason may be the By synchro 
the physician. It allows judgement of the profile and inaccuracy of the manufacturing process of the possible to 
thereby the dimensions of the malformation. plaster casts. instance ba 
Comparisons of right-left-symmetry in any section Advantages 
quantify conspicious areas and allow more specific measuremel 
analyses. the non-inv 
little phys 
photogramr 
NNI extensive ir 
EL value image 
format scr 
material car 
E The present 
ERES Ds anatomical 
= =~ facilitate 
E ZZ - the quant 
= - the docur 
== = 4 - the cons 
= ZZ 
Nds ZZ BS implantati 
= For the pla 
useful to lc 
view. The a 
fig.6a: meshes fig.6b: rendering fig.7a: praeop fig.7b: postop a threedir 
momentary 
result. 
Apart fror 
screenings 
Loe : ; the shape. 
comparison of profiles medion line can be quai 
praeoperotlve postoperotlve 
lower Face flew "t Eon Se > 
F2 = 5086 mm F2 = 4743 mm gatic 
M Le assessmen 
3682 on [38e m comparisor 
As a resul 
3546 mn | 3978 mn lopment of 
future. In ci 
it should be 
S93 nm BOSo m after skelet 
fessum fum) Another go 
ee 2071 m MES C dentoalveo 
3716 mm 36.25 mm The resear 
3976 mm & 37.44 mm examinatior 
be support 
Photogram 
fig.6c: longitudinal sections fig.7c: prae-post comparison gnoses an 
advantage: 
for the corr 
software a 
192 
International Archives of Photogrammetry and Remote Sensing. Vol. XXXI, Part B5. Vienna 1996 
 
	        
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