lunardem constructionfromnadirima g esofchan g’ e-1ccdcameraofad j acenttracks

inordertoconstructademofthemoon’ ssurfacefromnarrowbaselinestereomatchin gbe-tweennadir ima g esofchan g’ e-1ccdcameraofad j acenttracks,ancc－pocbasedada p tivedis p arit yestimationmethodisp ro p osed.theestimateddis p arit yma pisusedtoconstructthedem.intheal-g orithm，ncc （ normalizedcrosscorrelation） isa pp liedwithatexturebasedada p tivewindowtoscanthep airofstereoima g esp ixelb yp ixel.thisp rocessdeterminestheinte g erdis p arit ybetweencorre-s p ondin gp ixels,andthepoc （ rhase-onl ycorrelation） isa pp liedtoestimatehi g haccurac ysub-p ixelshifts.thetotaldis p arit ybetweenthecorres p ondin gp ixelsoftheima g ep airiscalculatedasthesum－mationofnccmeasuredinte g erdis p arit yandthepocmeasuresub-p ixeldis p arit y.viathistwoste pdis p arit yestimationp rocedure，