mg rgstrtn s th prcss f trnsfrmng dffrnt sts f dt nt n crdnt systm. Dt my b mltpl phtgrphs, dt frm dffrnt snsrs, tms, dpths, r vwpnts. t s sd n cmptr vsn, mdcl mgng, mltry tmtc trgt rcgntn, nd cmplng nd nlyzng mgs nd dt frm stllts. Rgstrtn s ncssry n rdr t b bl t cmpr r ntgrt th dt btnd frm ths dffrnt msrmnts.