(0 , 0 ) R O I (x m a x , y m a x (x m a x , y m a x ) Figure 5.7: Decimation and ROI (0 , 0 ) R O I M R O I 0 M R O I 1 M R O I 2 ) Figure 5.8: Decimation and MROI 5.1 Reduction of Image Size 43