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dc.contributor.authorCrombie, Michael A.-
dc.contributor.authorShine, James A.-
dc.descriptionResearch note-
dc.descriptionAbstract: Elevation matrices derived from correlation of digital stereo images often contain errors resulting from a breakdown of the correlation process. One such matrix was corrected using a relaxation algorithm where each point was given a reliability based on comparison with its nearest and next nearest neighbors. These reliabilities were then used to determine if and how much a point was to be corrected; the process was iterated. The algorithm removed small error areas, but large erroneous regions were not corrected, even when terrain slope classification information was considered.-
dc.publisherU.S. Army Engineer Topographic Laboratories.-
dc.publisherEngineer Research and Development Center (U.S.)-
dc.relation.ispartofseriesETL ; 0298.-
dc.rightsApproved for public release; distribution is unlimited.-
dc.sourceThis Digital Resource was created from scans of the Print Resource.-
dc.subjectElevation correction-
dc.subjectDigital terrain matrix-
dc.subjectStereo correlation-
dc.titleAn analysis of a relaxation scheme to improve terrain elevation data-
Appears in Collections:Research Note

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