PhotogrammetriaPub Date : 1988-03-01DOI: 10.1016/0031-8663(88)90056-7
U.L. Van Twembeke
{"title":"International forum on instrumentation and geographic information","authors":"U.L. Van Twembeke","doi":"10.1016/0031-8663(88)90056-7","DOIUrl":"10.1016/0031-8663(88)90056-7","url":null,"abstract":"","PeriodicalId":101020,"journal":{"name":"Photogrammetria","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1988-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0031-8663(88)90056-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"111341202","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
PhotogrammetriaPub Date : 1988-03-01DOI: 10.1016/0031-8663(88)90045-2
A.L. Kok , J.A.R. Blais
{"title":"Editing strategies for digitally correlated gestalt data","authors":"A.L. Kok , J.A.R. Blais","doi":"10.1016/0031-8663(88)90045-2","DOIUrl":"10.1016/0031-8663(88)90045-2","url":null,"abstract":"<div><p>Gestalt digital elevation and other digitally correlated data often have discontinuities that occur along boundaries between adjacent patches and the data usually have lower accuracy than manually digitized elevations. A production method for detecting such discontinuities, which involves the analysis of the mean height of the four corner points formed by neighbouring patches, is first discussed. A second method is then proposed utilizing the absolute second differences of triplets of points with an empirical test based on essentially the same principle as the statistical test for differences between sample means. Some considerations for filtering the edited data are briefly mentioned to indicate the type of data processing that can be done to meet various application requirements.</p></div>","PeriodicalId":101020,"journal":{"name":"Photogrammetria","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1988-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0031-8663(88)90045-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88714879","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
PhotogrammetriaPub Date : 1988-03-01DOI: 10.1016/0031-8663(88)90046-4
J. Feranec , M. Hájek , J. Ot'Aheł , Š. Sloboda , J. Šafár
{"title":"The use of multispectral space photographs to draw up a map of land use in Western Slovakia","authors":"J. Feranec , M. Hájek , J. Ot'Aheł , Š. Sloboda , J. Šafár","doi":"10.1016/0031-8663(88)90046-4","DOIUrl":"10.1016/0031-8663(88)90046-4","url":null,"abstract":"<div><p>A map of land use in western Slovakia was made on the basis of the optico-analog interpretation of multispectral space photographs taken with a Russian KATE 140 multispectral camera. The method followed consisted of the following steps: compiling a selective interpretation key, interpretation of the syntheses in colour for the needs of identfying forms of land use on the map, compiling interpretation schemes, the photo-optical transformation of these interpretations into topographical maps, the automated preparation of documents for printing and, finally, their polygraphic processing.</p></div>","PeriodicalId":101020,"journal":{"name":"Photogrammetria","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1988-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0031-8663(88)90046-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90485673","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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