{"id":2317,"date":"2020-04-07T06:27:33","date_gmt":"2020-04-07T13:27:33","guid":{"rendered":"https:\/\/melindaozel.com\/?p=2317"},"modified":"2025-02-25T14:38:09","modified_gmt":"2025-02-25T19:38:09","slug":"bypassing-vr-headset-occlusion-in-face-tracking","status":"publish","type":"post","link":"https:\/\/melindaozel.com\/de\/bypassing-vr-headset-occlusion-in-face-tracking\/","title":{"rendered":"Umgehung von VR-Headset-Okklusion bei der Gesichtsverfolgung"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"2317\" class=\"elementor elementor-2317\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6da80560 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6da80560\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-2724d854\" data-id=\"2724d854\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7d11bd1c elementor-widget elementor-widget-text-editor\" data-id=\"7d11bd1c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2><span style=\"font-weight: 500;\">Verfolgen, was Sie nicht sehen k\u00f6nnen<\/span><\/h2><p><div id='gallery-1' class='gallery galleryid-2317 gallery-columns-4 gallery-size-thumbnail'><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/melindaozel.com\/de\/bypassing-vr-headset-occlusion-in-face-tracking\/f3890bc6-9e9d-4b37-9b06-22ad9a97eaaf\/#main'><img decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/i0.wp.com\/melindaozel.com\/wp-content\/uploads\/2020\/04\/F3890BC6-9E9D-4B37-9B06-22AD9A97EAAF.jpg?resize=150%2C150&amp;ssl=1\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" srcset=\"https:\/\/i0.wp.com\/melindaozel.com\/wp-content\/uploads\/2020\/04\/F3890BC6-9E9D-4B37-9B06-22AD9A97EAAF.jpg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/melindaozel.com\/wp-content\/uploads\/2020\/04\/F3890BC6-9E9D-4B37-9B06-22AD9A97EAAF.jpg?zoom=2&amp;resize=150%2C150&amp;ssl=1 300w, https:\/\/i0.wp.com\/melindaozel.com\/wp-content\/uploads\/2020\/04\/F3890BC6-9E9D-4B37-9B06-22AD9A97EAAF.jpg?zoom=3&amp;resize=150%2C150&amp;ssl=1 450w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/a>\n\t\t\t<\/div><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/melindaozel.com\/de\/bypassing-vr-headset-occlusion-in-face-tracking\/da7a6e86-16c6-4b5e-b4ad-89b9ef84dd12\/#main'><img decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/i0.wp.com\/melindaozel.com\/wp-content\/uploads\/2020\/04\/DA7A6E86-16C6-4B5E-B4AD-89B9EF84DD12.jpg?resize=150%2C150&amp;ssl=1\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" srcset=\"https:\/\/i0.wp.com\/melindaozel.com\/wp-content\/uploads\/2020\/04\/DA7A6E86-16C6-4B5E-B4AD-89B9EF84DD12.jpg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/melindaozel.com\/wp-content\/uploads\/2020\/04\/DA7A6E86-16C6-4B5E-B4AD-89B9EF84DD12.jpg?zoom=2&amp;resize=150%2C150&amp;ssl=1 300w, https:\/\/i0.wp.com\/melindaozel.com\/wp-content\/uploads\/2020\/04\/DA7A6E86-16C6-4B5E-B4AD-89B9EF84DD12.jpg?zoom=3&amp;resize=150%2C150&amp;ssl=1 450w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/a>\n\t\t\t<\/div><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/melindaozel.com\/de\/bypassing-vr-headset-occlusion-in-face-tracking\/efd31615-cbfa-48e4-b548-439f0983198b\/#main'><img decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/i0.wp.com\/melindaozel.com\/wp-content\/uploads\/2020\/04\/EFD31615-CBFA-48E4-B548-439F0983198B.jpg?resize=150%2C150&amp;ssl=1\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" srcset=\"https:\/\/i0.wp.com\/melindaozel.com\/wp-content\/uploads\/2020\/04\/EFD31615-CBFA-48E4-B548-439F0983198B.jpg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/melindaozel.com\/wp-content\/uploads\/2020\/04\/EFD31615-CBFA-48E4-B548-439F0983198B.jpg?zoom=2&amp;resize=150%2C150&amp;ssl=1 300w, https:\/\/i0.wp.com\/melindaozel.com\/wp-content\/uploads\/2020\/04\/EFD31615-CBFA-48E4-B548-439F0983198B.jpg?zoom=3&amp;resize=150%2C150&amp;ssl=1 450w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/a>\n\t\t\t<\/div><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/melindaozel.com\/de\/bypassing-vr-headset-occlusion-in-face-tracking\/8a0ec850-7579-4cfb-a2a9-af86bb491395\/#main'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/i0.wp.com\/melindaozel.com\/wp-content\/uploads\/2020\/04\/8A0EC850-7579-4CFB-A2A9-AF86BB491395.jpg?resize=150%2C150&amp;ssl=1\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" srcset=\"https:\/\/i0.wp.com\/melindaozel.com\/wp-content\/uploads\/2020\/04\/8A0EC850-7579-4CFB-A2A9-AF86BB491395.jpg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/melindaozel.com\/wp-content\/uploads\/2020\/04\/8A0EC850-7579-4CFB-A2A9-AF86BB491395.jpg?zoom=2&amp;resize=150%2C150&amp;ssl=1 300w, https:\/\/i0.wp.com\/melindaozel.com\/wp-content\/uploads\/2020\/04\/8A0EC850-7579-4CFB-A2A9-AF86BB491395.jpg?zoom=3&amp;resize=150%2C150&amp;ssl=1 450w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/a>\n\t\t\t<\/div><\/figure>\n\t\t<\/div>\n<\/p><p><span style=\"font-weight: 300;\">W\u00e4hrend meiner jahrelangen Arbeit im Bereich der Gesichtsverfolgung habe ich den Aberglauben unter Ingenieuren und Forschern beobachtet, dass man keine Gesichtsmerkmale (Merkmale wie Augenbrauen, Augen und Mund) verfolgen kann, wenn sie au\u00dferhalb des Kamerablicks liegen. Dieser Glaube ist nicht ganz richtig. Man muss eine Augenbraue nicht sehen, um zu wissen, ob sie sich hebt oder runzelt, und man muss die Nase nicht sehen, um zu wissen, ob sie Falten wirft.<\/span><\/p><p><span style=\"font-weight: 300;\">Unsere Gesichter w\u00f6lben, dehnen und falten sich bei jeder Gesichtsbewegung auf einzigartige Weise. Ich habe diese Ver\u00e4nderungen genutzt, um Labeler zu trainieren, die diskrete Ausdr\u00fccke allein anhand der Hautbewegung erkennen und genau klassifizieren k\u00f6nnen. Mit einer gezielten Dokumentation, einem umfassenden Satz von Beispielen und einer hochwertigen Kamera k\u00f6nnen Sie mit einem begrenzten FOV eine Vielzahl von Informationen extrapolieren.<\/span><\/p><p><span style=\"font-weight: 300;\">Das minimale FOV, das f\u00fcr Eye-Tracking erforderlich ist, reicht oft aus, um eine Handvoll Aktionen zu verfolgen. Ansicht A (im Bildsatz unten) spiegelt am besten wider, wie eine blickbasierte Tracker-Ansicht aussehen kann. Obwohl das Hauptziel von Eye-Tracking-Kameras darin besteht, gerade genug vom Auge abzudecken, um Blick\u00e4nderungen zu beobachten, ist das Potenzial viel gr\u00f6\u00dfer. Selbst mit dieser konzentrierten Ansicht k\u00f6nnen Sie noch erkennen <\/span><i><span style=\"font-weight: 300;\">Oberlideranhebung <\/span><\/i><span style=\"font-weight: 300;\">(AU5), <\/span><i><span style=\"font-weight: 300;\">Wangenerh\u00f6hung <\/span><\/i><span style=\"font-weight: 300;\">(AU6), und <\/span><i><span style=\"font-weight: 300;\">Deckelspanner<\/span><\/i><span style=\"font-weight: 300;\"> (AU7) mit einem relativ hohen Grad an Gewissheit. Diese Aktionen sind n\u00fctzlich f\u00fcr ihre Anwendungen bei der Messung von Aufmerksamkeit, Reaktionen und Engagement; sie sind auch entscheidende Signale in der Kommunikation.<\/span><\/p><p><span style=\"font-weight: 300;\">Viele Leute werden durch Namen von Aktionseinheiten blockiert wie <\/span><i><span style=\"font-weight: 300;\">Wangenerh\u00f6hung <\/span><\/i><span style=\"font-weight: 300;\">und vermuten: \"Wir k\u00f6nnen nicht verfolgen <\/span><i><span style=\"font-weight: 300;\">Wangenerh\u00f6hung <\/span><\/i><span style=\"font-weight: 300;\">weil unser FOV nicht den Wangenbereich abdeckt.\" Aber <\/span><i><span style=\"font-weight: 300;\">Wangenerh\u00f6hung <\/span><\/i><span style=\"font-weight: 300;\">ist mehr als sein Name verr\u00e4t; es ist eine Aktion, die durch die Kontraktion des Orbicularis oculi, eines Muskels, der den Augenbereich umgibt, verursacht wird. W\u00e4hrend sich die Bewegungen des Orbicularis oculi auf die Wangen auswirken, finden viele Ver\u00e4nderungen tats\u00e4chlich im Bereich der Augenh\u00f6hle statt. Solange Sie einen Randblick auf die Augenwinkel oder einen Hautfetzen unter dem unteren Augenlid haben, k\u00f6nnen Sie feststellen, ob <\/span><i><span style=\"font-weight: 300;\">Wangenerh\u00f6hung<\/span><\/i><span style=\"font-weight: 300;\"> auftritt. \u00c4hnliche Konzepte gelten f\u00fcr die anderen Aktionen, die ich in den Bildern unten aufgef\u00fchrt habe.\u00a0<\/span><\/p><h2><span style=\"font-weight: 500;\">F\u00e4higkeiten mit unterschiedlichen FOVs<\/span><\/h2><p><span style=\"font-weight: 400;\">Diese Grafik zeigt, welche Aktionseinheiten (AUs) mit verschiedenen Sichtfeldern erkannt werden k\u00f6nnen. <\/span><span style=\"font-weight: 300;\">Denken Sie daran, dass dies eine verk\u00fcrzte Aufschl\u00fcsselung dessen ist, was mit verschiedenen FOVs m\u00f6glich ist oder nicht. (Wenn Sie sich \u00fcber Vorhersagen f\u00fcr niedrigere Gesichts- und Kombinationsformen informieren m\u00f6chten, <span style=\"color: #7b5182;\"><a style=\"color: #7b5182;\" href=\"https:\/\/melindaozel.com\/services\/\">Ich bin f\u00fcr Beratungen verf\u00fcgbar<\/a>.<\/span>) Die Bedingungen \u00e4ndern sich aufgrund zus\u00e4tzlicher Faktoren wie dem Kamerawinkel und der Art und Weise, wie das Headset auf dem Gesicht aufliegt. (Ist das Headset schwer? Wie wirken sich sein Gewicht und sein Druck auf verschiedene Bereiche des Gesichts aus?)\u00a0<\/span><\/p><p><span style=\"font-weight: 300;\">Wenn Sie an In-Headset-Face-Tracking arbeiten, lassen Sie sich nicht durch Annahmen einschr\u00e4nken. Das Gesicht ist kompliziert und voller Anhaltspunkte. Alles, was Sie tun m\u00fcssen, ist, die richtigen Anhaltspunkte zu finden, und Sie k\u00f6nnen mit wenig eine Menge erreichen.\u00a0<\/span><b style=\"color: #000000; font-family: 'Helvetica Neue'; font-size: 20px; background-color: var(--base-3);\"><div class=\"mepr_error\"><p>Der \u00fcbrige Inhalt ist f\u00fcr <a href=\"https:\/\/melindaozel.com\/subscription-options\/\" target=\"_blank\" rel=\"noopener\">Premium-Mitglieder<\/a> nur. Wenn Sie ein Mitglied sind, <a href=\"https:\/\/melindaozel.com\/login\/\" target=\"_blank\" rel=\"noopener\">Anmelden<\/a> und gehen Sie zur\u00fcck auf diese Seite :)!<\/p>\n<\/div><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Die F\u00e4higkeit von VR, die Fernpr\u00e4senz zu verbessern, k\u00f6nnte angesichts der neuen sozialen Einschr\u00e4nkungen durch unsere aktuelle Pandemie wichtiger denn je sein.<\/p>","protected":false},"author":60486633,"featured_media":2329,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[676756913,676756994,676757036,676757039,676757037,676756915,676757009,676756993],"tags":[],"class_list":["post-2317","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-action-units","category-ar-vr","category-au6","category-au7","category-cheek-raiser","category-facial-expressions","category-paid","category-tech","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Bypassing VR Headset Occlusion in Face Tracking - Face the FACS | Facial Expressions in Animation, AI, &amp; Behavior<\/title>\n<meta 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