{"title":"Atmospheric wavefront simulation using Zernike polynomials","authors":"Nicolas A. Roddier","doi":"10.1117/12.55712","DOIUrl":"https://doi.org/10.1117/12.55712","url":null,"abstract":"An algorithm is described that simulates atmospherically distorted wavefronts using a Zernike expansion of randomly weighted Karhunen- Loeve functions. Its performance is presented and analyzed, and the program is then used to forecast resulting structure function and Strehl resolution for adaptive optics systems.","PeriodicalId":417187,"journal":{"name":"Storage and Retrieval for Image and Video Databases","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124995848","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}
{"title":"High-Speed Fingerprint Verification Using an Optical Correlator","authors":"D. Roberge, C. Soutar, B. Kumar","doi":"10.1117/1.602065","DOIUrl":"https://doi.org/10.1117/1.602065","url":null,"abstract":"A real-time, VanderLugt-type optical correlator using a single SLM is developed. A field programmable gate array is used to capture and process images obtained from a CCD camera at a rate of 60 video fields/s. During both enrollment and verification, a finger slides over a glass prism and is input to the system via the frustration of the total internal reflection process. An autoenrollment procedure captures the optimal image during each slide. An optimal composite filter is implemented. The correlation detection process comprises real-time tracking of the correlation peak while the finger is sliding and a decision process based on projective decision boundaries. Real-life tests yielded a false rejection rate of 1% and a false acceptance rate of 0.2%.","PeriodicalId":417187,"journal":{"name":"Storage and Retrieval for Image and Video Databases","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122879426","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}
求助内容：
应助结果提醒方式：
京公网安备 11010802042870号
