{"id":1811,"date":"2021-10-16T20:19:49","date_gmt":"2021-10-16T23:19:49","guid":{"rendered":"https:\/\/metrologia2021.org.br\/?p=1811"},"modified":"2021-10-16T20:19:49","modified_gmt":"2021-10-16T23:19:49","slug":"197356-pre-processing-and-noise-reduction-for-2d-interferometric-images","status":"publish","type":"post","link":"https:\/\/metrologia2021.org.br\/?p=1811","title":{"rendered":"[197356] Pre-processing and noise reduction for 2D interferometric images"},"content":{"rendered":"<p>[vc_row][vc_column][vc_text_separator title=&#8221;ARTIGO&#8221; i_icon_fontawesome=&#8221;fa fa-file-pdf-o&#8221; color=&#8221;om-accent-color-3&#8243; add_icon=&#8221;true&#8221;][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<strong>Autores: <\/strong> Ricardo dos Santos Fran\u00e7a<\/p>\n<p>[\/vc_column_text][vc_separator][vc_column_text]<strong>Abstract: <\/strong> Recent activities at INMETRO flatness interferometer measurement and calibration systems included pre-processing steps applied over digitized 2D interferogram images, as suitable preparation for three recently developed nanometrological estimation algorithms based in MATLAB. Those algorithms have been updated and optimized to reduce execution times and extra numeric distortions. Comparisons between phase map results from raw and preprocessed images are shown.<\/p>\n<p>[\/vc_column_text]<\/p>\n<p><span class=\"vc_btn2-container vc_btn2-center\"><br \/>\n<a class=\"vc_general vc_btn3 vc_btn3-size-xl vc_btn3-shape-square vc_btn3-style-classic vc_btn3-color-om-accent-color-3 vc_btn3-icon-left\" href=\"https:\/\/metrologia2021.org.br\/wp-content\/uploads\/2021\/10\/197356-Pre-processing-and-noise-reduction-for-2D-interferometric-images.pdf\"><span class=\"vc_btn3-inner\"><i class=\"vc_btn3-icon fa fa-file-pdf-o\"><\/i> Download do Artigo<\/span><\/a><br \/>\n<\/span><br \/>\n&nbsp;<\/p>\n<p><!--[vc_text_separator title=\"V\u00cdDEO\" i_icon_fontawesome=\"fa fa-video-camera\" color=\"om-accent-color-3\" add_icon=\"true\"]\n\n<iframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/yqXvXKXrNZc\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>--><\/p>\n","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column][vc_text_separator title=&#8221;ARTIGO&#8221; i_icon_fontawesome=&#8221;fa fa-file-pdf-o&#8221; color=&#8221;om-accent-color-3&#8243; add_icon=&#8221;true&#8221;][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]Autores: Ricardo dos Santos Fran\u00e7a [\/vc_column_text][vc_separator][vc_column_text]Abstract: Recent activities at INMETRO flatness interferometer measurement and calibration systems included pre-processing steps applied&hellip;<\/p>\n<p><a href=\"https:\/\/metrologia2021.org.br\/?p=1811\" class=\"read-more-link\"><span class=\"read-more-icon\"><\/span>Leia mais<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/metrologia2021.org.br\/index.php?rest_route=\/wp\/v2\/posts\/1811"}],"collection":[{"href":"https:\/\/metrologia2021.org.br\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/metrologia2021.org.br\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/metrologia2021.org.br\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/metrologia2021.org.br\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1811"}],"version-history":[{"count":1,"href":"https:\/\/metrologia2021.org.br\/index.php?rest_route=\/wp\/v2\/posts\/1811\/revisions"}],"predecessor-version":[{"id":1812,"href":"https:\/\/metrologia2021.org.br\/index.php?rest_route=\/wp\/v2\/posts\/1811\/revisions\/1812"}],"wp:attachment":[{"href":"https:\/\/metrologia2021.org.br\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1811"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/metrologia2021.org.br\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1811"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/metrologia2021.org.br\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1811"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}