{"title":"铁电液晶空间光调制器的联合变换相关","authors":"S. Różański, H. Pauwels","doi":"10.1117/12.438434","DOIUrl":null,"url":null,"abstract":"The joint transform correlator with a ferroelectric liquid crystal spatial light modulator in the input plane has ben used to study sensitivity of the system on the minor changes in the input object. The binarization and edge enhancement significantly improve the quality of the recognition and intensity of cross-correlation peaks. The system is very sensitive on the minor changes in the input objects. The intensity of the cross-correlation peaks, which is a direct measure of the similarity between objects in the input plane, decreases with increasing of the differences in compared images.","PeriodicalId":156625,"journal":{"name":"Systems of Optical Security","volume":"6 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2001-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Joint transform correlation using a ferroelectric liquid crystal spatial light modulator\",\"authors\":\"S. Różański, H. Pauwels\",\"doi\":\"10.1117/12.438434\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The joint transform correlator with a ferroelectric liquid crystal spatial light modulator in the input plane has ben used to study sensitivity of the system on the minor changes in the input object. The binarization and edge enhancement significantly improve the quality of the recognition and intensity of cross-correlation peaks. The system is very sensitive on the minor changes in the input objects. The intensity of the cross-correlation peaks, which is a direct measure of the similarity between objects in the input plane, decreases with increasing of the differences in compared images.\",\"PeriodicalId\":156625,\"journal\":{\"name\":\"Systems of Optical Security\",\"volume\":\"6 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2001-08-24\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Systems of Optical Security\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1117/12.438434\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Systems of Optical Security","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1117/12.438434","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Joint transform correlation using a ferroelectric liquid crystal spatial light modulator
The joint transform correlator with a ferroelectric liquid crystal spatial light modulator in the input plane has ben used to study sensitivity of the system on the minor changes in the input object. The binarization and edge enhancement significantly improve the quality of the recognition and intensity of cross-correlation peaks. The system is very sensitive on the minor changes in the input objects. The intensity of the cross-correlation peaks, which is a direct measure of the similarity between objects in the input plane, decreases with increasing of the differences in compared images.
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