Herein, “different kinds of {HEAD ~ medical images}” indicate medical images that have been obtained by {TAIL ~ different modality} or medical images that have been obtained by different imaging method 
Herein , “ different kinds of { HEAD ~ medical images } ” indicate medical images that have been obtained by { TAIL ~ different modality } or medical images that have been obtained by different imaging method
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH