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The technique is based on Support Vector Machines trained on optimally chosen Haar wavelet coefficients. The method has been tested on several public databases; the results are reported and compared according to a standard error measure. The tests show that the algorithm achieves high precision of localization. <\/jats:p>","DOI":"10.1142\/s0218001409007259","type":"journal-article","created":{"date-parts":[[2009,6,15]],"date-time":"2009-06-15T04:10:35Z","timestamp":1245039035000},"page":"359-377","source":"Crossref","is-referenced-by-count":38,"title":["PRECISE EYE AND MOUTH LOCALIZATION"],"prefix":"10.1142","volume":"23","author":[{"given":"P.","family":"CAMPADELLI","sequence":"first","affiliation":[{"name":"Dipartimento di Scienze dell'Informazione, Universit\u00e0 degli Studi di Milano, Via Comelico, 39\/41 - 20135 Milan, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"R.","family":"LANZAROTTI","sequence":"additional","affiliation":[{"name":"Dipartimento di Scienze dell'Informazione, Universit\u00e0 degli Studi di Milano, Via Comelico, 39\/41 - 20135 Milan, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"G.","family":"LIPORI","sequence":"additional","affiliation":[{"name":"Dipartimento di Scienze dell'Informazione, Universit\u00e0 degli Studi di Milano, Via Comelico, 39\/41 - 20135 Milan, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"219","published-online":{"date-parts":[[2011,11,21]]},"reference":[{"key":"rf4","unstructured":"P.\u00a0Campadelli, R.\u00a0Lanzarotti and G.\u00a0Lipori, Face Recognition, eds. 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