Spike Noise Removal in MR Images Using Over Sampling

Keywords

abstract abundant acquisition adjacent adjust alias amplitude applied apply arcing artifact artifacts avoid background bandwidth becomes believed categorized causes check china classes clean comes complex connection considered consuming contains contributed convenient correction corrupted cost deal described describes detail detect detection determined diagnosis difficult directly domain easy efficiency electrical example exceeds filtered find frequency function functions gradient greater gross hardware homogeneous important intensity issue lasts leave limited linear local location longer loose magnitude mainly makes material mechanical medical member mostly much narrower neighboring nice noise object original outer oversampled people pixel pixels position precisely previous problems products pulse reach read reconstructed referred regarded removal remove removed removing replaced replacement republic restoration sample sampled sampling scanned scheme short simple snore sometimes space spatially spike spikes spiral striation strong suitable suppose system threshold traditional transactions unaffected usually utilize variation varying volume weaker widely