HEAL DSpace

An implementation of the exponential pyramid data structure with application to determination of symmetries in pictures

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dc.contributor.author Warren Burton, F en
dc.contributor.author Kollias, JG en
dc.contributor.author Alexandridis, NA en
dc.date.accessioned 2014-03-01T01:06:14Z
dc.date.available 2014-03-01T01:06:14Z
dc.date.issued 1984 en
dc.identifier.issn 0734-189X en
dc.identifier.uri https://dspace.lib.ntua.gr/xmlui/handle/123456789/9255
dc.subject Data Structure en
dc.subject.classification Computer Science, Artificial Intelligence en
dc.subject.classification Imaging Science & Photographic Technology en
dc.subject.other IMAGE PROCESSING en
dc.title An implementation of the exponential pyramid data structure with application to determination of symmetries in pictures en
heal.type journalArticle en
heal.identifier.primary 10.1016/0734-189X(84)90104-X en
heal.identifier.secondary http://dx.doi.org/10.1016/0734-189X(84)90104-X en
heal.language English en
heal.publicationDate 1984 en
heal.abstract A simple indexing scheme to implement the exponential pyramid data structure is considered. The scheme uses (4N2 - 1) 3 consecutive memory locations to store the average intensities of various resolution versions of a picture having N × N pixels. A procedure is presented which accepts as input the N2 pixels produced by raster scanning and constructs the associated exponential pyramid data structure for the picture. An application of the scheme to the determination of possible symmetries present in a picture is also given. The particular symmetries considered are the horizontal, vertical, right and left diagonal, and 90 and 180° rotational. © 1984. en
heal.publisher ACADEMIC PRESS INC JNL-COMP SUBSCRIPTIONS en
heal.journalName Computer Vision, Graphics and Image Processing en
dc.identifier.doi 10.1016/0734-189X(84)90104-X en
dc.identifier.isi ISI:A1984SC86200006 en
dc.identifier.volume 25 en
dc.identifier.issue 2 en
dc.identifier.spage 218 en
dc.identifier.epage 225 en


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