Figure 28: CONTOUR TRACKING AL- Figure 29: IMAGE SEGMENTATION 
GORITHM, PRINCIPLE OF BY CONTOUR LINES 
OPERATION 
  
ZA 
  
0 
ay 
  
  
  
  
a) one germ b) several germs 
Figure 30: REGION GROWING ALGORITHM,PRINCIPLE OF OPERATION 
  
  
  
  
core 
a) SIS/SDS 
  
  
  
  
core 
c) MIS/SDS 
Figure 31: 
  
  
  
  
  
processor processors 
b) SIS/MDS 
  
  
  
  
processors processors 
d) MIS/MDS 
DIFFERENT PROCESSOR STRUCTURES 
SIS 
MIS 
SDS 
MDS 
SINGLE INSTRUCTION STREAM 
MULTIPLE INSTRUCTION STREAM 
SINGLE DATA STREAM 
MULTIPLE DATA STREAM 
datapipeline processor 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
Figure 32: 
PROCESSOR ARCHITECTURE FOR LOCAL OPERATIONS