{"id":2678,"date":"2020-06-01T23:36:32","date_gmt":"2020-06-02T03:36:32","guid":{"rendered":"https:\/\/melindaozel.com\/?p=2678"},"modified":"2025-03-18T12:03:56","modified_gmt":"2025-03-18T16:03:56","slug":"arkit-other-face-tracking-mistakes","status":"publish","type":"post","link":"https:\/\/melindaozel.com\/pl\/arkit-other-face-tracking-mistakes\/","title":{"rendered":"ARKit i inne b\u0142\u0119dy w \u015bledzeniu twarzy"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"2678\" class=\"elementor elementor-2678\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1eb70452 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1eb70452\" 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-42ddc1c4\" data-id=\"42ddc1c4\" 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-27f6f858 elementor-widget elementor-widget-text-editor\" data-id=\"27f6f858\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><em>Dlaczego tak wiele tracker\u00f3w twarzy i awatar\u00f3w cierpi z powodu fa\u0142szywie pozytywnego obni\u017cenia brwi? Wykorzystuj\u0105c ARKit firmy Apple jako studium przypadku, ten podzia\u0142 bada \u017ar\u00f3d\u0142o problemu i ujawnia zaskakuj\u0105co prost\u0105 poprawk\u0119 na ko\u0144cu.\u00a0<\/em><\/p><h2>Awatary i u\u015bmiechy: Memoji Edition<\/h2><p>Fa\u0142szywie dodatnie obni\u017cenie brwi jest powszechnym problemem w \u015bledzeniu twarzy i animacji awatar\u00f3w. Cho\u0107 subtelne, b\u0142\u0119dy te mog\u0105 zniekszta\u0142ca\u0107 mimik\u0119 awatara, wprowadzaj\u0105c niezamierzone sygna\u0142y smutku, z\u0142o\u015bci lub troski. W poni\u017cszym filmie testuj\u0119 Memoji Apple, aby zademonstrowa\u0107 ten problem w akcji.<\/p><p>\u00a0<span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe class=\"youtube-player\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/3LjvYjHRADc?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=pl-PL&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span><\/p><p>Na powy\u017cszym klipie obserwuj, jak moje Memoji \"odzwierciedla\" m\u00f3j u\u015bmiech. Zauwa\u017cy\u0142e\u015b co\u015b dziwnego lub nieprzyjemnego? Moje wewn\u0119trzne k\u0105ciki brwi s\u0105 b\u0142\u0119dnie obni\u017cone. Dodanie b\u0142\u0119dnie przypisanego obni\u017cenia brwi utrzymuje si\u0119 w r\u00f3\u017cnych typach u\u015bmiech\u00f3w. Utrzymuje si\u0119 r\u00f3wnie\u017c u innych u\u017cytkownik\u00f3w.<\/p><p>Obni\u017cone wewn\u0119trzne brwi w po\u0142\u0105czeniu z podniesion\u0105 g\u00f3rn\u0105 warg\u0105 (spowodowan\u0105 <em>zmarszczka na nosie <\/em>lub <em>g\u00f3rna warga raiser<\/em>) jest cz\u0119sto zwi\u0105zane z nieprzyjemnymi emocjami. Obni\u017cone czubki brwi s\u0105 r\u00f3wnie\u017c ujemnie skorelowane z u\u015bmiechem. Tego typu semantycznie znacz\u0105ce b\u0142\u0119dy \u015bledzenia mog\u0105 nieumy\u015blnie sugerowa\u0107 negatywne odczucia.<\/p><h2>Jak powstaj\u0105 te b\u0142\u0119dy<\/h2><p>Fa\u0142szywie dodatnie obni\u017cenie brwi cz\u0119sto wynika z problem\u00f3w z jako\u015bci\u0105 danych, b\u0142\u0119d\u00f3w w etykietowaniu i wybor\u00f3w artystycznych. Oto dlaczego te problemy si\u0119 utrzymuj\u0105:<\/p><ol><li>Nie k\u0142adzie si\u0119 wystarczaj\u0105cego nacisku na jako\u015b\u0107 danych.<\/li><li>Za ma\u0142o uwagi po\u015bwi\u0119ca si\u0119 sztuce.<\/li><\/ol><p>Wsz\u0119dzie, gdzie pracowa\u0142em, by\u0142o tak wiele obaw zwi\u0105zanych z zatrudnianiem in\u017cynier\u00f3w z okre\u015blonym do\u015bwiadczeniem, \u017ce <span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/melindaozel.com\/big-techs-homogeneous-hiring-habits-are-harming-our-data\/\" target=\"_blank\" rel=\"noopener noreferrer\">nie ma innych istotnych r\u00f3l.<\/a><\/span><\/p><p>Wielu lider\u00f3w technologicznych zak\u0142ada, \u017ce je\u015bli zdob\u0119d\u0105 wystarczaj\u0105c\u0105 ilo\u015b\u0107 danych, aby wytrenowa\u0107 sw\u00f3j model, problemy z jako\u015bci\u0105 po prostu same si\u0119 rozwi\u0105\u017c\u0105. Wow! Magia. Za\u0142o\u017cenie to cz\u0119sto opiera si\u0119 na dodatkowym (ale fa\u0142szywym) przekonaniu, \u017ce istnieje tylko znikomy procent nieczystych danych.<\/p><p>By\u0142em g\u0142\u0119boko w okopach danych i pracowa\u0142em na prawie ka\u017cdym stanowisku niein\u017cynieryjnym w \u015bledzeniu twarzy:<\/p><ul><li><strong>planowanie danych<\/strong> - okre\u015blenie, jakiego rodzaju wyra\u017cenia dane nale\u017cy zebra\u0107 i jak je zebra\u0107<\/li><li><strong>gromadzenie danych<\/strong> - rzeczywista praca z uczestnikami i szkolenie ich w celu trafienia we w\u0142a\u015bciwe pozycje wyrazowe<\/li><li><strong>anotacja danych<\/strong> - okre\u015blenie najlepszych sposob\u00f3w oznaczania punkt\u00f3w orientacyjnych<\/li><li><strong>klasyfikacja danych<\/strong> - doradzanie in\u017cynierom w zakresie tego, kt\u00f3re klasy powinny istnie\u0107, jakie s\u0105 ich parametry i jak radzi\u0107 sobie z nieuniknionymi przypadkami kra\u0144cowymi<\/li><li><strong>skalowanie<\/strong> - upewnienie si\u0119, \u017ce zasady adnotacji i klasyfikacji s\u0105 znormalizowane i \u0142atwe do zrozumienia dla masowych etykieciarzy<\/li><li><strong>\u015bledzenie<\/strong> - por\u00f3wnywanie prawdy gruntowej z wynikami \u015bledzenia<\/li><li><strong>identyfikacja obszar\u00f3w wymagaj\u0105cych poprawy<\/strong> - ustalenie, jakie problemy istniej\u0105 i jak mo\u017cna je poprawi\u0107 poprzez planowanie, zbieranie, adnotacj\u0119 i\/lub klasyfikacj\u0119<\/li><li><strong>rozw\u00f3j awatara<\/strong> - strategizowanie, kt\u00f3re kszta\u0142ty nale\u017cy uszeregowa\u0107 pod wzgl\u0119dem wa\u017cno\u015bci w oparciu o szereg czynnik\u00f3w, takich jak -<ul><li>w przypadku awarii urz\u0105dzenia \u015bledz\u0105cego<\/li><li>jakie s\u0105 przypadki u\u017cycia produktu ko\u0144cowego<\/li><li>co b\u0119dzie najbardziej estetyczne<\/li><li>co jest najistotniejsze z punktu widzenia semantyki<\/li><\/ul><\/li><\/ul><p>Dzi\u0119ki mojemu do\u015bwiadczeniu w nauce o ekspresji, anatomii twarzy i rozleg\u0142ej pracy z danymi twarzy, mog\u0119 \u015bmia\u0142o powiedzie\u0107, \u017ce nieczyste dane s\u0105 g\u0142\u00f3wnym problemem w \u015bledzeniu twarzy, a nie drobnym. Kr\u00f3tko m\u00f3wi\u0105c, nawet je\u015bli algorytm jest doskona\u0142y, problemy wynikaj\u0105 z:<\/p><p><strong>Nieczyste dane pozorne<\/strong><\/p><ul><li>Podczas zbierania danych o pozowanych wyra\u017ceniach od ludzi, dane te zawsze b\u0119d\u0105 zanieczyszczone. Gwarantowane.<\/li><li>Wi\u0119kszo\u015b\u0107 ludzi nie mo\u017ce uderzy\u0107 w ka\u017cde wyra\u017cenie docelowe. Rzadko zdarza si\u0119 znale\u017a\u0107 czyste dane o dzia\u0142aniu twarzy. Gdy uczestnicy wykonuj\u0105 nieczyste wyra\u017cenia, dzieje si\u0119 tak dlatego, \u017ce albo wykazuj\u0105 niew\u0142a\u015bciw\u0105 czynno\u015b\u0107 twarzy, albo nie s\u0105 w stanie wyizolowa\u0107 docelowego wyrazu bez u\u017cycia dodatkowych, niecelowych mi\u0119\u015bni twarzy.<\/li><li>Co wi\u0119cej, osoby zajmuj\u0105ce si\u0119 pozyskiwaniem danych cz\u0119sto nie s\u0105 w stanie stwierdzi\u0107, czy uczestnik w og\u00f3le trafia w docelowe wyra\u017cenie. Ten brak wiedzy nie jest win\u0105 os\u00f3b zajmuj\u0105cych si\u0119 akwizycj\u0105 danych, ale raczej niew\u0142a\u015bciwymi priorytetami firmy X i brakiem dba\u0142o\u015bci o zatrudnianie lub utrzymywanie odpowiednich talent\u00f3w.<\/li><\/ul><p><strong>Z\u0142e oznaczanie danych<\/strong><\/p><ul><li>Ze wzgl\u0119du na koncentracj\u0119 na talentach in\u017cynierskich, firmy zazwyczaj zaniedbuj\u0105 priorytetowe role zwi\u0105zane z etykietowaniem danych. Zamiast tego wysi\u0142ki zwi\u0105zane z adnotacjami s\u0105 cz\u0119sto traktowane jako stanowiska niskiego poziomu przeznaczone dla wykonawc\u00f3w bez szczeg\u00f3lnej wiedzy specjalistycznej.<\/li><li>Kontrahenci rozpoczynaj\u0105cy prac\u0119 z niewielkim do\u015bwiadczeniem mog\u0105 w ko\u0144cu sta\u0107 si\u0119 na tyle zestrojeni z danymi, aby zdoby\u0107 wiedz\u0119 specjalistyczn\u0105; jednak rzadko si\u0119 to zdarza, poniewa\u017c stanowiska zwi\u0105zane z etykietowaniem kontraktowym maj\u0105 zazwyczaj du\u017c\u0105 rotacj\u0119.<\/li><\/ul><p><strong>Nieprzemy\u015blane wybory artystyczne<\/strong><\/p><ul><li>Wa\u017cne jest, aby sztuka rozumia\u0142a technologi\u0119, a technologia rozumia\u0142a sztuk\u0119. Istnieje zdumiewaj\u0105cy rozd\u017awi\u0119k mi\u0119dzy sztuk\u0105 a in\u017cynieri\u0105 w firmach technologicznych. W wielu przypadkach dobre trackery wygl\u0105daj\u0105 dobrze nie z powodu samych tracker\u00f3w, ale z powodu wybor\u00f3w artystycznych dokonanych w celu zwalczania niedojrza\u0142ej technologii za kulisami. Nale\u017cy zainwestowa\u0107 wi\u0119cej zasob\u00f3w w celu wype\u0142nienia luki mi\u0119dzy sztuk\u0105 a in\u017cynieri\u0105.<\/li><\/ul><h2>Powr\u00f3t do Memoji i fa\u0142szywie dodatnie obni\u017cenie brwi<\/h2><p>Jak wspomniano na pocz\u0105tku tego wpisu, za ka\u017cdym razem, gdy Memoji pr\u00f3buje odzwierciedli\u0107 m\u00f3j u\u015bmiech, pojawia si\u0119 niepotrzebne obni\u017cenie brwi w wewn\u0119trznych k\u0105cikach brwi. Ponownie, ten dodatek utrzymuje si\u0119 w r\u00f3\u017cnych typach u\u015bmiech\u00f3w.<\/p><p>Poni\u017cszy wykres jest przyk\u0142adem tego, jak interakcja mi\u0119dzy jako\u015bci\u0105 danych a sztuk\u0105 mo\u017ce negatywnie wp\u0142ywa\u0107 na r\u00f3\u017cne wyra\u017cenia i powodowa\u0107 problemy, takie jak obni\u017cenie brwi z u\u015bmiechem.<\/p><p><span style=\"text-decoration: underline;\">UWAGA<\/span>: Oczywi\u015bcie mo\u017ce istnie\u0107 wiele potencjalnych przyczyn, w tym problemy z samym algorytmem; jednak ten zarys ma na celu podkre\u015blenie konkretnego scenariusza z okre\u015blonym zestawem warunk\u00f3w.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2209aca elementor-widget elementor-widget-image\" data-id=\"2209aca\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"900\" height=\"527\" src=\"https:\/\/i0.wp.com\/melindaozel.com\/wp-content\/uploads\/2025\/03\/face-tracking-avatars-FACS-issues.webp?fit=900%2C527&amp;ssl=1\" class=\"attachment-large size-large wp-image-12234\" alt=\"Schemat zagadnie\u0144 \u015bledzenia twarzy i awatar\u00f3w przy u\u017cyciu kszta\u0142t\u00f3w FACS\" srcset=\"https:\/\/i0.wp.com\/melindaozel.com\/wp-content\/uploads\/2025\/03\/face-tracking-avatars-FACS-issues.webp?w=900&amp;ssl=1 900w, https:\/\/i0.wp.com\/melindaozel.com\/wp-content\/uploads\/2025\/03\/face-tracking-avatars-FACS-issues.webp?resize=300%2C176&amp;ssl=1 300w, https:\/\/i0.wp.com\/melindaozel.com\/wp-content\/uploads\/2025\/03\/face-tracking-avatars-FACS-issues.webp?resize=768%2C450&amp;ssl=1 768w, https:\/\/i0.wp.com\/melindaozel.com\/wp-content\/uploads\/2025\/03\/face-tracking-avatars-FACS-issues.webp?resize=18%2C12&amp;ssl=1 18w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-615d487 elementor-widget elementor-widget-text-editor\" data-id=\"615d487\" 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>Rozk\u0142adanie na czynniki pierwsze<\/h2><p><em>Pomarszczka do nosa i g\u00f3rna maska do ust<\/em> to dwie czynno\u015bci twarzy, kt\u00f3re wygl\u0105daj\u0105 podobnie.<\/p><ul><li>Cz\u0119sto s\u0105 one ze sob\u0105 mylone zar\u00f3wno na poziomie gromadzenia danych, jak i na poziomie oznaczania danych.<\/li><li>Poniewa\u017c firmy technologiczne nie inwestuj\u0105 odpowiednio w jako\u015b\u0107 danych, zwykle nie wspieraj\u0105 pracownik\u00f3w, kt\u00f3rzy potrafi\u0105 dok\u0142adnie zidentyfikowa\u0107 lub wyja\u015bni\u0107, jak je rozr\u00f3\u017cni\u0107 <em>zmarszczka na nosie<\/em> oraz <em>g\u00f3rna warga raiser<\/em>.<\/li><li>B\u0142\u0119dy w zbieraniu danych i etykietowaniu danych pozostaj\u0105 niezauwa\u017cone, a talent nie jest w stanie wychwyci\u0107 b\u0142\u0119d\u00f3w \u015bledzenia.<\/li><\/ul><p>Powszechn\u0105 technik\u0105 w sztuce jest u\u017cycie <em>g\u00f3rna warga raiser<\/em> jako dodatek do kszta\u0142tu combo dla u\u015bmiechu.<\/p><ul><li>Poniewa\u017c dzia\u0142anie \u015bci\u0105gacza do k\u0105cik\u00f3w ust podnosi g\u00f3rn\u0105 warg\u0119, gdy u\u015bmiech jest intensywny, wielu zak\u0142ada, \u017ce ten ruch jest synonimem <em>g\u00f3rna warga.\u00a0<\/em>Nie jest to takie proste.<\/li><li>Wielu artyst\u00f3w korzysta z <em>g\u00f3rna warga raiser\u00a0<\/em>kszta\u0142t do po\u0142\u0105czenia z\u00a0<em>\u015bci\u0105gacz do naro\u017cnik\u00f3w warg <\/em>by stworzy\u0107 silny u\u015bmiech. <span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/melindaozel.com\/building-smiles-the-right-way\/\" target=\"_blank\" rel=\"noopener noreferrer\">Wi\u0119cej szczeg\u00f3\u0142\u00f3w tutaj.<\/a><\/span><\/li><li>Pomijaj\u0105c kwestie estetyki i dok\u0142adno\u015bci, pozostaje ra\u017c\u0105cy problem: Je\u015bli <em>g\u00f3rna warga raiser<\/em> jest powi\u0105zany z <em>zmarszczenie nosa,<\/em> gdy silny u\u015bmiech zostanie zainicjowany, aktywuje si\u0119 <em>g\u00f3rna warga,<\/em> kt\u00f3ry nast\u0119pnie aktywuje <em>zmarszczka na nosie<\/em>. Dlatego, gdy kto\u015b si\u0119 u\u015bmiecha, jego brwi si\u0119 obni\u017caj\u0105. \u0179le.<\/li><\/ul><p>Nie zwraca si\u0119 wystarczaj\u0105cej uwagi na jako\u015b\u0107 danych.<br \/>Sztuce nie po\u015bwi\u0119ca si\u0119 wystarczaj\u0105co du\u017co uwagi.<\/p><h2>Naprawianie problemu<\/h2><p>Najprostsze rozwi\u0105zanie? <a href=\"https:\/\/melindaozel.com\/reasons-the-facs-manual-is-not-for-you\/\" target=\"_blank\" rel=\"noopener\"><b>Odejd\u017a od FACS i oprzyj si\u0119 na anatomii twarzy.<\/b><\/a> Najprostszym rozwi\u0105zaniem, aby zmniejszy\u0107 liczb\u0119 fa\u0142szywie dodatnich wynik\u00f3w przegl\u0105dania, jest obni\u017cenie poprzez<em> zmarszczka na nosie<\/em> oraz <em>g\u00f3rna warga raiser<\/em> jest uhonorowanie w\u0142a\u015bciwo\u015bci mi\u0119\u015bni stoj\u0105cych za tymi dzia\u0142aniami.<\/p><p>Z anatomicznego punktu widzenia, ani levator palpebrae superioris (<em>g\u00f3rna warga raiser<\/em> mi\u0119\u015bni) ani levator palpebrae superioris alaeque nasi (<em>zmarszczka na nosie<\/em> mi\u0119\u015bni) obni\u017ca brwi. Tylko w ramach zasad kodowania twarzy FACS obni\u017cenie brwi jest powi\u0105zane ze zmarszczeniem nosa.\u00a0<\/p><p>Mo\u017cesz zaoszcz\u0119dzi\u0107 sobie b\u00f3lu g\u0142owy, je\u015bli po prostu:<\/p><ol><li><strong>Przeprojektuj zasady etykietowania, aby sklasyfikowa\u0107 obni\u017cenie brwi jako oddzielne dzia\u0142anie od <em>zmarszczka na nosie<\/em><\/strong><\/li><li><strong>przeprojektuj swoje kszta\u0142ty mieszania, aby hostowa\u0107 <em>zmarszczka na nosie<\/em> bez nieod\u0142\u0105cznego obni\u017cania brwi<\/strong><\/li><\/ol>\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>Dlaczego urz\u0105dzenia do \u015bledzenia twarzy i awatary cierpi\u0105 z powodu fa\u0142szywie dodatniego obni\u017cenia brwi? Poni\u017cej przedstawiamy podstawow\u0105 przyczyn\u0119 i proponujemy zaskakuj\u0105co proste rozwi\u0105zanie.<\/p>","protected":false},"author":60486633,"featured_media":2680,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[676756913,676756994,676756915,676757008,676756993],"tags":[676757222,676757219],"class_list":["post-2678","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-action-units","category-ar-vr","category-facial-expressions","category-free","category-tech","tag-face-tracking","tag-facial-action-coding-system-facs","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>ARKit &amp; Other Face Tracking Mistakes - Face the FACS | Facial Expressions in Animation, AI, &amp; Behavior<\/title>\n<meta name=\"description\" content=\"Why do face trackers and avatars suffer from false positive brow lowering? Here we explore the root cause and a surprisingly simple fix.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/melindaozel.com\/pl\/arkit-other-face-tracking-mistakes\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ARKit &amp; Other Face Tracking Mistakes\" \/>\n<meta property=\"og:description\" content=\"Why do face trackers and avatars suffer from false positive brow lowering? Here we explore the root cause and a surprisingly simple fix.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/melindaozel.com\/pl\/arkit-other-face-tracking-mistakes\/\" \/>\n<meta property=\"og:site_name\" content=\"Face the FACS | Facial Expressions in Animation, AI, &amp; Behavior\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/facebook.com\/facetheFACS\/\" \/>\n<meta property=\"article:author\" content=\"https:\/\/facebook.com\/facetheFACS\/\" \/>\n<meta property=\"article:published_time\" content=\"2020-06-02T03:36:32+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-03-18T16:03:56+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/melindaozel.com\/wp-content\/uploads\/2020\/06\/similar.png\" \/>\n\t<meta property=\"og:image:width\" content=\"2634\" \/>\n\t<meta property=\"og:image:height\" content=\"1541\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Melinda Ozel\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@melindaozel\" \/>\n<meta name=\"twitter:site\" content=\"@melindaozel\" \/>\n<meta name=\"twitter:label1\" content=\"Napisane przez\" \/>\n\t<meta name=\"twitter:data1\" content=\"Melinda Ozel\" \/>\n\t<meta name=\"twitter:label2\" content=\"Szacowany czas czytania\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minut\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/melindaozel.com\\\/arkit-other-face-tracking-mistakes\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/melindaozel.com\\\/arkit-other-face-tracking-mistakes\\\/\"},\"author\":{\"name\":\"Melinda Ozel\",\"@id\":\"https:\\\/\\\/melindaozel.com\\\/zh\\\/#\\\/schema\\\/person\\\/81c6262e1bfca3c71960db5aee204e3f\"},\"headline\":\"ARKit &#038; Other Face Tracking Mistakes\",\"datePublished\":\"2020-06-02T03:36:32+00:00\",\"dateModified\":\"2025-03-18T16:03:56+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/melindaozel.com\\\/arkit-other-face-tracking-mistakes\\\/\"},\"wordCount\":1211,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/melindaozel.com\\\/zh\\\/#\\\/schema\\\/person\\\/81c6262e1bfca3c71960db5aee204e3f\"},\"image\":{\"@id\":\"https:\\\/\\\/melindaozel.com\\\/arkit-other-face-tracking-mistakes\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/i0.wp.com\\\/melindaozel.com\\\/wp-content\\\/uploads\\\/2020\\\/06\\\/similar.png?fit=2634%2C1541&ssl=1\",\"keywords\":[\"face tracking\",\"Facial Action Coding System (FACS)\"],\"articleSection\":[\"action units (FACS AUs)\",\"AR\\\/VR\",\"facial expressions\",\"free content\",\"tech\"],\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/melindaozel.com\\\/arkit-other-face-tracking-mistakes\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/melindaozel.com\\\/arkit-other-face-tracking-mistakes\\\/\",\"url\":\"https:\\\/\\\/melindaozel.com\\\/arkit-other-face-tracking-mistakes\\\/\",\"name\":\"ARKit & Other Face Tracking Mistakes - Face the FACS | Facial Expressions in Animation, AI, &amp; Behavior\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/melindaozel.com\\\/zh\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/melindaozel.com\\\/arkit-other-face-tracking-mistakes\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/melindaozel.com\\\/arkit-other-face-tracking-mistakes\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/i0.wp.com\\\/melindaozel.com\\\/wp-content\\\/uploads\\\/2020\\\/06\\\/similar.png?fit=2634%2C1541&ssl=1\",\"datePublished\":\"2020-06-02T03:36:32+00:00\",\"dateModified\":\"2025-03-18T16:03:56+00:00\",\"description\":\"Why do face trackers and avatars suffer from false positive brow lowering? Here we explore the root cause and a surprisingly simple fix.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/melindaozel.com\\\/arkit-other-face-tracking-mistakes\\\/#breadcrumb\"},\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/melindaozel.com\\\/arkit-other-face-tracking-mistakes\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"pl-PL\",\"@id\":\"https:\\\/\\\/melindaozel.com\\\/arkit-other-face-tracking-mistakes\\\/#primaryimage\",\"url\":\"https:\\\/\\\/i0.wp.com\\\/melindaozel.com\\\/wp-content\\\/uploads\\\/2020\\\/06\\\/similar.png?fit=2634%2C1541&ssl=1\",\"contentUrl\":\"https:\\\/\\\/i0.wp.com\\\/melindaozel.com\\\/wp-content\\\/uploads\\\/2020\\\/06\\\/similar.png?fit=2634%2C1541&ssl=1\",\"width\":2634,\"height\":1541},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/melindaozel.com\\\/arkit-other-face-tracking-mistakes\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/melindaozel.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"ARKit &#038; Other Face Tracking Mistakes\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/melindaozel.com\\\/zh\\\/#website\",\"url\":\"https:\\\/\\\/melindaozel.com\\\/zh\\\/\",\"name\":\"Face the FACS\",\"description\":\"Facial Expressions in Art, Science, &amp; Technology\",\"publisher\":{\"@id\":\"https:\\\/\\\/melindaozel.com\\\/zh\\\/#\\\/schema\\\/person\\\/81c6262e1bfca3c71960db5aee204e3f\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/melindaozel.com\\\/zh\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"pl-PL\"},{\"@type\":[\"Person\",\"Organization\"],\"@id\":\"https:\\\/\\\/melindaozel.com\\\/zh\\\/#\\\/schema\\\/person\\\/81c6262e1bfca3c71960db5aee204e3f\",\"name\":\"Melinda Ozel\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"pl-PL\",\"@id\":\"https:\\\/\\\/i0.wp.com\\\/melindaozel.com\\\/wp-content\\\/uploads\\\/2025\\\/02\\\/face-the-FACS-eye-mouth-logo-pixel.webp?fit=225%2C225&ssl=1\",\"url\":\"https:\\\/\\\/i0.wp.com\\\/melindaozel.com\\\/wp-content\\\/uploads\\\/2025\\\/02\\\/face-the-FACS-eye-mouth-logo-pixel.webp?fit=225%2C225&ssl=1\",\"contentUrl\":\"https:\\\/\\\/i0.wp.com\\\/melindaozel.com\\\/wp-content\\\/uploads\\\/2025\\\/02\\\/face-the-FACS-eye-mouth-logo-pixel.webp?fit=225%2C225&ssl=1\",\"width\":225,\"height\":225,\"caption\":\"Melinda Ozel\"},\"logo\":{\"@id\":\"https:\\\/\\\/i0.wp.com\\\/melindaozel.com\\\/wp-content\\\/uploads\\\/2025\\\/02\\\/face-the-FACS-eye-mouth-logo-pixel.webp?fit=225%2C225&ssl=1\"},\"sameAs\":[\"https:\\\/\\\/melindaozel.com\",\"https:\\\/\\\/facebook.com\\\/facetheFACS\\\/\",\"https:\\\/\\\/instagram.com\\\/manicexpression\",\"https:\\\/\\\/linkedin.com\\\/in\\\/melindaozel\",\"https:\\\/\\\/pinterest.com\\\/melindaozel\\\/\",\"https:\\\/\\\/x.com\\\/melindaozel\",\"https:\\\/\\\/youtube.com\\\/@facetheFACS\"],\"knowsAbout\":[\"Facial Action Coding System (FACS)\",\"Facial Expression Tracking\",\"Facial Anatomy\",\"Facial Animation\",\"Digital Humans\",\"Audio-to-Expression\",\"Audio-to-Face\",\"Visemes\",\"Lipsync\"],\"jobTitle\":\"Facial Systems Expert, Expression Scientist\",\"url\":\"https:\\\/\\\/melindaozel.com\\\/pl\\\/author\\\/melindaozel\\\/\",\"numberOfEmployees\":{\"@type\":\"QuantitativeValue\",\"minValue\":\"1\",\"maxValue\":\"10\"}}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"ARKit i inne b\u0142\u0119dy w \u015bledzeniu twarzy - Face the FACS | Wyraz twarzy w animacji, sztucznej inteligencji i zachowaniu","description":"Dlaczego urz\u0105dzenia do \u015bledzenia twarzy i awatary cierpi\u0105 z powodu fa\u0142szywie dodatniego obni\u017cenia brwi? Poni\u017cej przedstawiamy podstawow\u0105 przyczyn\u0119 i zaskakuj\u0105co proste rozwi\u0105zanie.","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:\/\/melindaozel.com\/pl\/arkit-other-face-tracking-mistakes\/","og_locale":"pl_PL","og_type":"article","og_title":"ARKit & Other Face Tracking Mistakes","og_description":"Why do face trackers and avatars suffer from false positive brow lowering? Here we explore the root cause and a surprisingly simple fix.","og_url":"https:\/\/melindaozel.com\/pl\/arkit-other-face-tracking-mistakes\/","og_site_name":"Face the FACS | Facial Expressions in Animation, AI, &amp; Behavior","article_publisher":"https:\/\/facebook.com\/facetheFACS\/","article_author":"https:\/\/facebook.com\/facetheFACS\/","article_published_time":"2020-06-02T03:36:32+00:00","article_modified_time":"2025-03-18T16:03:56+00:00","og_image":[{"width":2634,"height":1541,"url":"https:\/\/melindaozel.com\/wp-content\/uploads\/2020\/06\/similar.png","type":"image\/png"}],"author":"Melinda Ozel","twitter_card":"summary_large_image","twitter_creator":"@melindaozel","twitter_site":"@melindaozel","twitter_misc":{"Napisane przez":"Melinda Ozel","Szacowany czas czytania":"6 minut"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/melindaozel.com\/arkit-other-face-tracking-mistakes\/#article","isPartOf":{"@id":"https:\/\/melindaozel.com\/arkit-other-face-tracking-mistakes\/"},"author":{"name":"Melinda Ozel","@id":"https:\/\/melindaozel.com\/zh\/#\/schema\/person\/81c6262e1bfca3c71960db5aee204e3f"},"headline":"ARKit &#038; Other Face Tracking Mistakes","datePublished":"2020-06-02T03:36:32+00:00","dateModified":"2025-03-18T16:03:56+00:00","mainEntityOfPage":{"@id":"https:\/\/melindaozel.com\/arkit-other-face-tracking-mistakes\/"},"wordCount":1211,"commentCount":0,"publisher":{"@id":"https:\/\/melindaozel.com\/zh\/#\/schema\/person\/81c6262e1bfca3c71960db5aee204e3f"},"image":{"@id":"https:\/\/melindaozel.com\/arkit-other-face-tracking-mistakes\/#primaryimage"},"thumbnailUrl":"https:\/\/i0.wp.com\/melindaozel.com\/wp-content\/uploads\/2020\/06\/similar.png?fit=2634%2C1541&ssl=1","keywords":["face tracking","Facial Action Coding System (FACS)"],"articleSection":["action units (FACS AUs)","AR\/VR","facial expressions","free content","tech"],"inLanguage":"pl-PL","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/melindaozel.com\/arkit-other-face-tracking-mistakes\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/melindaozel.com\/arkit-other-face-tracking-mistakes\/","url":"https:\/\/melindaozel.com\/arkit-other-face-tracking-mistakes\/","name":"ARKit i inne b\u0142\u0119dy w \u015bledzeniu twarzy - Face the FACS | Wyraz twarzy w animacji, sztucznej inteligencji i zachowaniu","isPartOf":{"@id":"https:\/\/melindaozel.com\/zh\/#website"},"primaryImageOfPage":{"@id":"https:\/\/melindaozel.com\/arkit-other-face-tracking-mistakes\/#primaryimage"},"image":{"@id":"https:\/\/melindaozel.com\/arkit-other-face-tracking-mistakes\/#primaryimage"},"thumbnailUrl":"https:\/\/i0.wp.com\/melindaozel.com\/wp-content\/uploads\/2020\/06\/similar.png?fit=2634%2C1541&ssl=1","datePublished":"2020-06-02T03:36:32+00:00","dateModified":"2025-03-18T16:03:56+00:00","description":"Dlaczego urz\u0105dzenia do \u015bledzenia twarzy i awatary cierpi\u0105 z powodu fa\u0142szywie dodatniego obni\u017cenia brwi? Poni\u017cej przedstawiamy podstawow\u0105 przyczyn\u0119 i zaskakuj\u0105co proste rozwi\u0105zanie.","breadcrumb":{"@id":"https:\/\/melindaozel.com\/arkit-other-face-tracking-mistakes\/#breadcrumb"},"inLanguage":"pl-PL","potentialAction":[{"@type":"ReadAction","target":["https:\/\/melindaozel.com\/arkit-other-face-tracking-mistakes\/"]}]},{"@type":"ImageObject","inLanguage":"pl-PL","@id":"https:\/\/melindaozel.com\/arkit-other-face-tracking-mistakes\/#primaryimage","url":"https:\/\/i0.wp.com\/melindaozel.com\/wp-content\/uploads\/2020\/06\/similar.png?fit=2634%2C1541&ssl=1","contentUrl":"https:\/\/i0.wp.com\/melindaozel.com\/wp-content\/uploads\/2020\/06\/similar.png?fit=2634%2C1541&ssl=1","width":2634,"height":1541},{"@type":"BreadcrumbList","@id":"https:\/\/melindaozel.com\/arkit-other-face-tracking-mistakes\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/melindaozel.com\/"},{"@type":"ListItem","position":2,"name":"ARKit &#038; Other Face Tracking Mistakes"}]},{"@type":"WebSite","@id":"https:\/\/melindaozel.com\/zh\/#website","url":"https:\/\/melindaozel.com\/zh\/","name":"Zmierz si\u0119 z FACS-em","description":"Ekspresja twarzy w sztuce, nauce i technologii","publisher":{"@id":"https:\/\/melindaozel.com\/zh\/#\/schema\/person\/81c6262e1bfca3c71960db5aee204e3f"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/melindaozel.com\/zh\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"pl-PL"},{"@type":["Person","Organization"],"@id":"https:\/\/melindaozel.com\/zh\/#\/schema\/person\/81c6262e1bfca3c71960db5aee204e3f","name":"Melinda Ozel","image":{"@type":"ImageObject","inLanguage":"pl-PL","@id":"https:\/\/i0.wp.com\/melindaozel.com\/wp-content\/uploads\/2025\/02\/face-the-FACS-eye-mouth-logo-pixel.webp?fit=225%2C225&ssl=1","url":"https:\/\/i0.wp.com\/melindaozel.com\/wp-content\/uploads\/2025\/02\/face-the-FACS-eye-mouth-logo-pixel.webp?fit=225%2C225&ssl=1","contentUrl":"https:\/\/i0.wp.com\/melindaozel.com\/wp-content\/uploads\/2025\/02\/face-the-FACS-eye-mouth-logo-pixel.webp?fit=225%2C225&ssl=1","width":225,"height":225,"caption":"Melinda Ozel"},"logo":{"@id":"https:\/\/i0.wp.com\/melindaozel.com\/wp-content\/uploads\/2025\/02\/face-the-FACS-eye-mouth-logo-pixel.webp?fit=225%2C225&ssl=1"},"sameAs":["https:\/\/melindaozel.com","https:\/\/facebook.com\/facetheFACS\/","https:\/\/instagram.com\/manicexpression","https:\/\/linkedin.com\/in\/melindaozel","https:\/\/pinterest.com\/melindaozel\/","https:\/\/x.com\/melindaozel","https:\/\/youtube.com\/@facetheFACS"],"knowsAbout":["Facial Action Coding System (FACS)","Facial Expression Tracking","Facial Anatomy","Facial Animation","Digital Humans","Audio-to-Expression","Audio-to-Face","Visemes","Lipsync"],"jobTitle":"Facial Systems Expert, Expression Scientist","url":"https:\/\/melindaozel.com\/pl\/author\/melindaozel\/","numberOfEmployees":{"@type":"QuantitativeValue","minValue":"1","maxValue":"10"}}]}},"jetpack_featured_media_url":"https:\/\/i0.wp.com\/melindaozel.com\/wp-content\/uploads\/2020\/06\/similar.png?fit=2634%2C1541&ssl=1","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/melindaozel.com\/pl\/wp-json\/wp\/v2\/posts\/2678","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/melindaozel.com\/pl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/melindaozel.com\/pl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/melindaozel.com\/pl\/wp-json\/wp\/v2\/users\/60486633"}],"replies":[{"embeddable":true,"href":"https:\/\/melindaozel.com\/pl\/wp-json\/wp\/v2\/comments?post=2678"}],"version-history":[{"count":42,"href":"https:\/\/melindaozel.com\/pl\/wp-json\/wp\/v2\/posts\/2678\/revisions"}],"predecessor-version":[{"id":12284,"href":"https:\/\/melindaozel.com\/pl\/wp-json\/wp\/v2\/posts\/2678\/revisions\/12284"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/melindaozel.com\/pl\/wp-json\/wp\/v2\/media\/2680"}],"wp:attachment":[{"href":"https:\/\/melindaozel.com\/pl\/wp-json\/wp\/v2\/media?parent=2678"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/melindaozel.com\/pl\/wp-json\/wp\/v2\/categories?post=2678"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/melindaozel.com\/pl\/wp-json\/wp\/v2\/tags?post=2678"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}