{"id":1721,"date":"2022-07-22T15:18:12","date_gmt":"2022-07-22T06:18:12","guid":{"rendered":"https:\/\/www-oid.ip.titech.ac.jp\/wp\/?page_id=1721"},"modified":"2024-03-14T14:42:43","modified_gmt":"2024-03-14T05:42:43","slug":"hybrid_resolution","status":"publish","type":"page","link":"https:\/\/www.oid.ict.e.titech.ac.jp\/wp\/home_en\/research\/spectral-imaging-and-display\/hybrid_resolution\/","title":{"rendered":"Hybrid-resolution spectral imaging"},"content":{"rendered":"\n<p class=\"has-text-align-right\"><a href=\"https:\/\/www.oid.ict.e.titech.ac.jp\/wp\/optical-imaging-and-display\/research\/spectral_imaging\/hybrid_resolution\/\" data-type=\"page\" data-id=\"348\">Japanese<\/a> \/ English<\/p>\n\n\n<nav class=\"has-text-color has-button-color-color is-responsive items-justified-right wp-block-navigation is-horizontal is-content-justification-right is-layout-flex wp-container-core-navigation-is-layout-ae2fe186 wp-block-navigation-is-layout-flex\" 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tabindex=\"-1\" class=\"wp-block-navigation-item has-child open-on-hover-click wp-block-navigation-submenu\"><a class=\"wp-block-navigation-item__content\" href=\"https:\/\/www.oid.ict.e.titech.ac.jp\/wp\/home_en\/research\/\"><span class=\"wp-block-navigation-item__label\">Research<\/span><\/a><button data-wp-bind--aria-expanded=\"state.isMenuOpen\" data-wp-on--click=\"actions.toggleMenuOnClick\" aria-label=\"Research\u306e\u30b5\u30d6\u30e1\u30cb\u30e5\u30fc\" class=\"wp-block-navigation__submenu-icon wp-block-navigation-submenu__toggle\" ><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" viewBox=\"0 0 12 12\" fill=\"none\" aria-hidden=\"true\" focusable=\"false\"><path d=\"M1.50002 4L6.00002 8L10.5 4\" stroke-width=\"1.5\"><\/path><\/svg><\/button><ul data-wp-on--focus=\"actions.openMenuOnFocus\" class=\"wp-block-navigation__submenu-container wp-block-navigation-submenu\"><li class=\" wp-block-navigation-item wp-block-navigation-link\"><a class=\"wp-block-navigation-item__content\"  href=\"https:\/\/www.oid.ict.e.titech.ac.jp\/wp\/home_en\/research\/spectral-imaging-and-display\/\"><span class=\"wp-block-navigation-item__label\">Spectral imaging and display<\/span><\/a><\/li><li class=\" wp-block-navigation-item wp-block-navigation-link\"><a class=\"wp-block-navigation-item__content\"  href=\"https:\/\/www.oid.ict.e.titech.ac.jp\/wp\/home_en\/research\/mshs\/\"><span class=\"wp-block-navigation-item__label\">High-resolution multispectral\/hyperspectral image estimation from little-observed information<\/span><\/a><\/li><li class=\" wp-block-navigation-item wp-block-navigation-link\"><a class=\"wp-block-navigation-item__content\"  href=\"https:\/\/www.oid.ict.e.titech.ac.jp\/wp\/home_en\/research\/pathology\/\"><span class=\"wp-block-navigation-item__label\">Pathology image analysis<\/span><\/a><\/li><li class=\" wp-block-navigation-item wp-block-navigation-link\"><a class=\"wp-block-navigation-item__content\"  href=\"https:\/\/www.oid.ict.e.titech.ac.jp\/wp\/home_en\/research\/holo\/\"><span class=\"wp-block-navigation-item__label\">Holography and Light-field Display<\/span><\/a><\/li><li class=\" wp-block-navigation-item wp-block-navigation-link\"><a class=\"wp-block-navigation-item__content\"  href=\"https:\/\/www.oid.ict.e.titech.ac.jp\/wp\/home_en\/research\/computational_imaging\/\"><span class=\"wp-block-navigation-item__label\">Computational Imaging<\/span><\/a><\/li><\/ul><\/li><li class=\" wp-block-navigation-item wp-block-navigation-link\"><a class=\"wp-block-navigation-item__content\"  href=\"https:\/\/www.oid.ict.e.titech.ac.jp\/wp\/home_en\/publications\/\"><span class=\"wp-block-navigation-item__label\">Publications<\/span><\/a><\/li><li class=\" wp-block-navigation-item wp-block-navigation-link\"><a class=\"wp-block-navigation-item__content\"  href=\"https:\/\/www.oid.ict.e.titech.ac.jp\/wp\/home_en\/members\/\"><span class=\"wp-block-navigation-item__label\">Members<\/span><\/a><\/li><li class=\" wp-block-navigation-item wp-block-navigation-link\"><a class=\"wp-block-navigation-item__content\"  href=\"https:\/\/www.oid.ict.e.titech.ac.jp\/wp\/home_en\/access\/\"><span class=\"wp-block-navigation-item__label\">Access<\/span><\/a><\/li><li class=\" wp-block-navigation-item wp-block-navigation-link\"><a class=\"wp-block-navigation-item__content\"  href=\"https:\/\/www.oid.ict.e.titech.ac.jp\/wp\/home_en\/links\/\"><span class=\"wp-block-navigation-item__label\">Links<\/span><\/a><\/li><\/ul>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div><\/nav>\n\n\n<h2 class=\"wp-block-heading\">Hybrid-resolution spectral imaging<\/h2>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-background has-button-color-background-color has-button-color-color is-style-wide\"\/>\n\n\n\n<p>The acquisition of a high-resolution spectral image is difficult because it requires huge amount of data. In hybrid-resolution spectral imaging technique, two different image data are simultaneously captured; (1) spatially high-resolution with low spectral resolution and (2) low spatial resolution with high spectral resolution. From those two images, a spectral image with high-resolution in both spatial and spectral information is numerically reconstructed. It is suitable for compact and efficient spectral imaging device, and applied to real-time spectral video.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"440\" src=\"https:\/\/www.oid.ict.e.titech.ac.jp\/wp\/wp-content\/uploads\/reso-1024x440.jpg\" alt=\"\" class=\"wp-image-1727\" srcset=\"https:\/\/www.oid.ict.e.titech.ac.jp\/wp\/wp-content\/uploads\/reso-1024x440.jpg 1024w, https:\/\/www.oid.ict.e.titech.ac.jp\/wp\/wp-content\/uploads\/reso-300x129.jpg 300w, https:\/\/www.oid.ict.e.titech.ac.jp\/wp\/wp-content\/uploads\/reso-768x330.jpg 768w, https:\/\/www.oid.ict.e.titech.ac.jp\/wp\/wp-content\/uploads\/reso-1536x661.jpg 1536w, https:\/\/www.oid.ict.e.titech.ac.jp\/wp\/wp-content\/uploads\/reso-2048x881.jpg 2048w, https:\/\/www.oid.ict.e.titech.ac.jp\/wp\/wp-content\/uploads\/reso-100x43.jpg 100w, https:\/\/www.oid.ict.e.titech.ac.jp\/wp\/wp-content\/uploads\/reso-150x65.jpg 150w, https:\/\/www.oid.ict.e.titech.ac.jp\/wp\/wp-content\/uploads\/reso-200x86.jpg 200w, https:\/\/www.oid.ict.e.titech.ac.jp\/wp\/wp-content\/uploads\/reso-450x194.jpg 450w, https:\/\/www.oid.ict.e.titech.ac.jp\/wp\/wp-content\/uploads\/reso-600x258.jpg 600w, https:\/\/www.oid.ict.e.titech.ac.jp\/wp\/wp-content\/uploads\/reso-900x387.jpg 900w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">References<\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"http:\/\/link.springer.com\/chapter\/10.1007\/978-3-319-15979-9_3\">Masahiro Yamaguchi. &#8220;Optics and Computational Methods for Hybrid Resolution Spectral Imaging,&#8221; Proc. 5th International Workshop CCIW 2015, Lecture Notes in Computer Science, Vol. 9016, pp. 23-32, 2015.<\/a><\/li><li><a href=\"https:\/\/doi.org\/10.1364\/OE.22.020311\">Yuri Murakami, Keiichiro Nakazaki, Masahiro Yamaguchi. Hybrid-resolution spectral video system using low-resolution spectral sensor, Optics Express, Vol. 22, No. 17, 20311-20325, 2014.<\/a><\/li><li>Yuri Murakami, Masahiro Yamaguchi, Nagaaki Ohyama. &#8220;Hybrid-resolution multispectral imaging based on color filter array: Basic principles and computer simulation,&#8221; CGIV 2012: Sixth European Conference on Colour in Graphics, Imaging, and Vision, 259-265, 2012.<\/li><li><a href=\"https:\/\/doi.org\/10.1364\/OE.20.007173\">Yuri Murakami, Masahiro Yamaguchi, Nagaaki Ohyama. Hybrid-resolution multispectral imaging using color filter array, Optics Express, Vol. 20, No. 7, pp. 7173-7183, Mar. 2012.<\/a><\/li><li><a href=\"https:\/\/doi.org\/10.1364\/JOSAA.28.001470\">Yuri Murakami, Masahiro Yamaguchi, Nagaaki Ohyama. Class-based spectral reconstruction based on unmixing of low-resolution spectral information, Journal of the Optical Society of America, Vol. 28, No. 7, pp. 1470-1481, Jul. 2011.<\/a><\/li><li><a href=\"https:\/\/doi.org\/10.1364\/AO.48.002188\">Yuri Murakami, Masahiro Yamaguchi, Nagaaki Ohyama, &#8220;Piecewise Wiener estimation for reconstruction of spectral reflectance image by multipoint spectral measurements,&#8221; APPLIED OPTICS, Vol. 48, No. 11, pp. 2188-2202, Apr. 2009.<\/a><\/li><li><a href=\"https:\/\/doi.org\/10.1364\/AO.46.007068\">Yuri Murakami, Kunihiko Ietomi, Masahiro Yamaguchi, Nagaaki Ohyama. Maximum a posteriori estimation of spectral reflectance from color image and multipoint spectral measurements, Appl. Opt., Vol. 46, No. 28, pp. 7068-7082, Oct. 2007.<\/a><\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Japanese \/ English Hybrid-resolution spe &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"more-link\" href=\"https:\/\/www.oid.ict.e.titech.ac.jp\/wp\/home_en\/research\/spectral-imaging-and-display\/hybrid_resolution\/\"> <span class=\"screen-reader-text\">Hybrid-resolution spectral imaging<\/span> \u7d9a\u304d\u3092\u8aad\u3080 &raquo;<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"parent":1417,"menu_order":3,"comment_status":"closed","ping_status":"closed","template":"full-width-page.php","meta":{"footnotes":""},"class_list":["post-1721","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.oid.ict.e.titech.ac.jp\/wp\/wp-json\/wp\/v2\/pages\/1721","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.oid.ict.e.titech.ac.jp\/wp\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.oid.ict.e.titech.ac.jp\/wp\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.oid.ict.e.titech.ac.jp\/wp\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.oid.ict.e.titech.ac.jp\/wp\/wp-json\/wp\/v2\/comments?post=1721"}],"version-history":[{"count":17,"href":"https:\/\/www.oid.ict.e.titech.ac.jp\/wp\/wp-json\/wp\/v2\/pages\/1721\/revisions"}],"predecessor-version":[{"id":3716,"href":"https:\/\/www.oid.ict.e.titech.ac.jp\/wp\/wp-json\/wp\/v2\/pages\/1721\/revisions\/3716"}],"up":[{"embeddable":true,"href":"https:\/\/www.oid.ict.e.titech.ac.jp\/wp\/wp-json\/wp\/v2\/pages\/1417"}],"wp:attachment":[{"href":"https:\/\/www.oid.ict.e.titech.ac.jp\/wp\/wp-json\/wp\/v2\/media?parent=1721"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}