{"id":82,"date":"2022-05-02T02:03:59","date_gmt":"2022-05-02T02:03:59","guid":{"rendered":"https:\/\/mscvprojects.ri.cmu.edu\/2022team5\/?page_id=82"},"modified":"2022-12-18T20:51:02","modified_gmt":"2022-12-18T20:51:02","slug":"ground-truth-estimation","status":"publish","type":"page","link":"https:\/\/mscvprojects.ri.cmu.edu\/2022team5\/ground-truth-estimation\/","title":{"rendered":"Ground Truth Estimation"},"content":{"rendered":"\n<p>Please read <a href=\"https:\/\/mscvprojects.ri.cmu.edu\/2022team5\/\">Home<\/a> before proceeding. <\/p>\n\n\n\n<p>Broad-band light sources have a lot of wavelengths in them. We use broad band light sources to estimate ground truth.<\/p>\n\n\n\n<p>Intensity vs mirror position corresponding to all the wavelengths are going to have a maxima when mirror position x is same as d in Figure 1. But the rest of the maximas for each individual wavelengths are going to be misaligned as shown in Figure 2. Figure 2 shows Intensity vs x graph for two wavelengths (out of the many in broadband source) <\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-style-default\"><img loading=\"lazy\" decoding=\"async\" width=\"853\" height=\"480\" src=\"https:\/\/mscvprojects.ri.cmu.edu\/2022team5\/wp-content\/uploads\/sites\/60\/2022\/05\/gt-measurement.gif\" alt=\"\" class=\"wp-image-88\" \/><figcaption>Figure 1<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large is-style-default\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"581\" src=\"https:\/\/mscvprojects.ri.cmu.edu\/2022team5\/wp-content\/uploads\/sites\/60\/2022\/05\/image-2-1024x581.png\" alt=\"\" class=\"wp-image-89\" srcset=\"https:\/\/mscvprojects.ri.cmu.edu\/2022team5\/wp-content\/uploads\/sites\/60\/2022\/05\/image-2-1024x581.png 1024w, https:\/\/mscvprojects.ri.cmu.edu\/2022team5\/wp-content\/uploads\/sites\/60\/2022\/05\/image-2-300x170.png 300w, https:\/\/mscvprojects.ri.cmu.edu\/2022team5\/wp-content\/uploads\/sites\/60\/2022\/05\/image-2-768x436.png 768w, https:\/\/mscvprojects.ri.cmu.edu\/2022team5\/wp-content\/uploads\/sites\/60\/2022\/05\/image-2.png 1057w\" sizes=\"auto, (max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><figcaption>Figure 2<\/figcaption><\/figure>\n\n\n\n<p>As a result, for broadband light source, the only maxima is going to be at x=d since that&#8217;s where all the maximas coincide. <\/p>\n\n\n\n<p>The rest of the values of x mean some wavelengths will not have a maxima and thus the value is always going to be lesser than at d. <\/p>\n\n\n\n<p>We scan for a lot of values of x for precision and select the x corresponding to a maxima for each of the pixels in the image.<\/p>\n\n\n\n<p>This takes a couple of hours however. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Please read Home before proceeding. Broad-band light sources have a lot of wavelengths in them. We use broad band light sources to estimate ground truth. Intensity vs mirror position corresponding to all the wavelengths are going to have a maxima when mirror position x is same as d in Figure 1. But the rest of &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/mscvprojects.ri.cmu.edu\/2022team5\/ground-truth-estimation\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Ground Truth Estimation&#8221;<\/span><\/a><\/p>\n","protected":false},"author":130,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-82","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Ground Truth Estimation - Neural Synthetic Wavelength Interferometry<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mscvprojects.ri.cmu.edu\/2022team5\/ground-truth-estimation\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ground Truth Estimation - Neural Synthetic Wavelength Interferometry\" \/>\n<meta property=\"og:description\" content=\"Please read Home before proceeding. Broad-band light sources have a lot of wavelengths in them. We use broad band light sources to estimate ground truth. Intensity vs mirror position corresponding to all the wavelengths are going to have a maxima when mirror position x is same as d in Figure 1. But the rest of &hellip; Continue reading &quot;Ground Truth Estimation&quot;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/mscvprojects.ri.cmu.edu\/2022team5\/ground-truth-estimation\/\" \/>\n<meta property=\"og:site_name\" content=\"Neural Synthetic Wavelength Interferometry\" \/>\n<meta property=\"article:modified_time\" content=\"2022-12-18T20:51:02+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/mscvprojects.ri.cmu.edu\/2022team5\/wp-content\/uploads\/sites\/60\/2022\/05\/gt-measurement.gif\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/mscvprojects.ri.cmu.edu\\\/2022team5\\\/ground-truth-estimation\\\/\",\"url\":\"https:\\\/\\\/mscvprojects.ri.cmu.edu\\\/2022team5\\\/ground-truth-estimation\\\/\",\"name\":\"Ground Truth Estimation - Neural Synthetic Wavelength Interferometry\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/mscvprojects.ri.cmu.edu\\\/2022team5\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/mscvprojects.ri.cmu.edu\\\/2022team5\\\/ground-truth-estimation\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/mscvprojects.ri.cmu.edu\\\/2022team5\\\/ground-truth-estimation\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/mscvprojects.ri.cmu.edu\\\/2022team5\\\/wp-content\\\/uploads\\\/sites\\\/60\\\/2022\\\/05\\\/gt-measurement.gif\",\"datePublished\":\"2022-05-02T02:03:59+00:00\",\"dateModified\":\"2022-12-18T20:51:02+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/mscvprojects.ri.cmu.edu\\\/2022team5\\\/ground-truth-estimation\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/mscvprojects.ri.cmu.edu\\\/2022team5\\\/ground-truth-estimation\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/mscvprojects.ri.cmu.edu\\\/2022team5\\\/ground-truth-estimation\\\/#primaryimage\",\"url\":\"https:\\\/\\\/mscvprojects.ri.cmu.edu\\\/2022team5\\\/wp-content\\\/uploads\\\/sites\\\/60\\\/2022\\\/05\\\/gt-measurement.gif\",\"contentUrl\":\"https:\\\/\\\/mscvprojects.ri.cmu.edu\\\/2022team5\\\/wp-content\\\/uploads\\\/sites\\\/60\\\/2022\\\/05\\\/gt-measurement.gif\",\"width\":853,\"height\":480},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/mscvprojects.ri.cmu.edu\\\/2022team5\\\/ground-truth-estimation\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/mscvprojects.ri.cmu.edu\\\/2022team5\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Ground Truth Estimation\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/mscvprojects.ri.cmu.edu\\\/2022team5\\\/#website\",\"url\":\"https:\\\/\\\/mscvprojects.ri.cmu.edu\\\/2022team5\\\/\",\"name\":\"Neural Synthetic Wavelength Interferometry\",\"description\":\"Micron scale depth estimation\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/mscvprojects.ri.cmu.edu\\\/2022team5\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Ground Truth Estimation - Neural Synthetic Wavelength Interferometry","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/mscvprojects.ri.cmu.edu\/2022team5\/ground-truth-estimation\/","og_locale":"en_US","og_type":"article","og_title":"Ground Truth Estimation - Neural Synthetic Wavelength Interferometry","og_description":"Please read Home before proceeding. Broad-band light sources have a lot of wavelengths in them. We use broad band light sources to estimate ground truth. Intensity vs mirror position corresponding to all the wavelengths are going to have a maxima when mirror position x is same as d in Figure 1. 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