{"number":"US9448304B2","kindCode":"B2","documentType":"grant","title":{"original":"Ground moving target indicator (GMTI) radar that converts radar tracks to directed graphs (DG), and creates weighted DGs aligned with superimposed with digital maps","english":"Ground moving target indicator (GMTI) radar that converts radar tracks to directed graphs (DG), and creates weighted DGs aligned with superimposed with digital maps"},"abstract":{"original":"The present invention is directed to a system that includes a semantic reasoning engine that is configured to convert radar track data into a directed graph representation (DGR) of the predetermined surveillance region and iteratively combine the DGRs to create a weighted directed graph (WDG) aligned and superimposed with the digital map data. The WDG includes first WDG elements corresponding to moving objects detected by a radar system. The WDG is compared to historical data to obtain a surveillance detection parameter.…","english":"The present invention is directed to a system that includes a semantic reasoning engine that is configured to convert radar track data into a directed graph representation (DGR) of the predetermined surveillance region and iteratively combine the DGRs to create a weighted directed graph (WDG) aligned and superimposed with the digital map data. The WDG includes first WDG elements corresponding to moving objects detected by a radar system. The WDG is compared to historical data to obtain a surveillance detection parameter.…"},"applicants":["SRC, Inc."],"inventors":["David L. MacPherson"],"filingDate":"2014-03-11","publicationDate":"2016-09-20","grantDate":"2016-09-20","verifiedWithOffice":true,"pdfUrl":"https://downloadpatent.com/pdf/US9448304B2.pdf","pages":{"en":"https://downloadpatent.com/patent/US9448304B2","zh-Hant":"https://downloadpatent.com/zh-Hant/patent/US9448304B2","ja":"https://downloadpatent.com/ja/patent/US9448304B2"}}