{"id":10471,"date":"2024-03-03T15:35:29","date_gmt":"2024-03-03T15:35:29","guid":{"rendered":"https:\/\/dailyai.com\/?p=10471"},"modified":"2024-03-04T11:20:05","modified_gmt":"2024-03-04T11:20:05","slug":"researchers-build-synthetic-dog-dataset-in-gta-v-to-create-3d-models","status":"publish","type":"post","link":"https:\/\/dailyai.com\/fr\/2024\/03\/researchers-build-synthetic-dog-dataset-in-gta-v-to-create-3d-models\/","title":{"rendered":"Des chercheurs cr\u00e9ent un ensemble de donn\u00e9es synth\u00e9tiques sur les chiens dans GTA-V pour cr\u00e9er des mod\u00e8les 3D"},"content":{"rendered":"<p><b>Des chercheurs de l'universit\u00e9 du Surrey ont mis au point une m\u00e9thode permettant de transformer des photographies de chiens en mod\u00e8les 3D d\u00e9taill\u00e9s.\u00a0<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Le mat\u00e9riel d'entra\u00eenement ? Pas de vrais chiens, mais des images g\u00e9n\u00e9r\u00e9es par ordinateur dans le monde virtuel du jeu \u00e0 succ\u00e8s Grand Theft Auto V (GTA V).\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Moira Shooter, \u00e9tudiante en recherche de troisi\u00e8me cycle, a particip\u00e9 \u00e0 l'\u00e9tude, <\/span><a href=\"https:\/\/www.surrey.ac.uk\/news\/grand-theft-auto-and-ai-help-surrey-team-turn-dog-pics-3d-models\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">partag\u00e9e de l'\u00e9tude<\/span><\/a><span style=\"font-weight: 400;\">Notre mod\u00e8le a \u00e9t\u00e9 entra\u00een\u00e9 sur des chiens en images de synth\u00e8se, mais nous avons pu l'utiliser pour cr\u00e9er des mod\u00e8les squelettiques en 3D \u00e0 partir de photographies d'animaux r\u00e9els. Cela pourrait permettre aux d\u00e9fenseurs de l'environnement de rep\u00e9rer les animaux sauvages bless\u00e9s ou aider les artistes \u00e0 cr\u00e9er des animaux plus r\u00e9alistes dans le m\u00e9tavers\".<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Jusqu'\u00e0 pr\u00e9sent, les m\u00e9thodes d'enseignement des structures 3D \u00e0 l'IA impliquent l'utilisation de photos r\u00e9elles accompagn\u00e9es de donn\u00e9es sur les positions 3D r\u00e9elles des objets, souvent obtenues gr\u00e2ce \u00e0 la technologie de la capture de mouvement.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Cependant, lorsque ces techniques sont appliqu\u00e9es \u00e0 des chiens ou \u00e0 d'autres animaux, il y a souvent trop de mouvements \u00e0 suivre, et il est difficile d'obtenir des chiens qu'ils se comportent suffisamment longtemps.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Pour constituer leur ensemble de donn\u00e9es sur les chiens, les chercheurs ont modifi\u00e9 le code de GTA V afin de remplacer les personnages humains par des avatars canins, par le biais d'un processus connu sous le nom de \"modding\".\u00a0<\/span><\/p>\n<figure id=\"attachment_10473\" aria-describedby=\"caption-attachment-10473\" style=\"width: 683px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-10473\" src=\"https:\/\/dailyai.com\/wp-content\/uploads\/2024\/03\/ai-dog-pics-grand-theft-auto-2-1024x576.png\" alt=\"Chiens\" width=\"683\" height=\"384\" srcset=\"https:\/\/dailyai.com\/wp-content\/uploads\/2024\/03\/ai-dog-pics-grand-theft-auto-2-1024x576.png 1024w, https:\/\/dailyai.com\/wp-content\/uploads\/2024\/03\/ai-dog-pics-grand-theft-auto-2-300x169.png 300w, https:\/\/dailyai.com\/wp-content\/uploads\/2024\/03\/ai-dog-pics-grand-theft-auto-2-768x432.png 768w, https:\/\/dailyai.com\/wp-content\/uploads\/2024\/03\/ai-dog-pics-grand-theft-auto-2-370x208.png 370w, https:\/\/dailyai.com\/wp-content\/uploads\/2024\/03\/ai-dog-pics-grand-theft-auto-2-800x450.png 800w, https:\/\/dailyai.com\/wp-content\/uploads\/2024\/03\/ai-dog-pics-grand-theft-auto-2-20x11.png 20w, https:\/\/dailyai.com\/wp-content\/uploads\/2024\/03\/ai-dog-pics-grand-theft-auto-2-740x416.png 740w, https:\/\/dailyai.com\/wp-content\/uploads\/2024\/03\/ai-dog-pics-grand-theft-auto-2-85x48.png 85w, https:\/\/dailyai.com\/wp-content\/uploads\/2024\/03\/ai-dog-pics-grand-theft-auto-2.png 1200w\" sizes=\"auto, (max-width: 683px) 100vw, 683px\" \/><figcaption id=\"caption-attachment-10473\" class=\"wp-caption-text\">Exemples tir\u00e9s de l'ensemble de donn\u00e9es synth\u00e9tiques sur les chiens g\u00e9n\u00e9r\u00e9es \u00e0 l'aide de GTA-V. Source : <a href=\"https:\/\/www.surrey.ac.uk\/news\/grand-theft-auto-and-ai-help-surrey-team-turn-dog-pics-3d-models\">Universit\u00e9 de Surrey<\/a>.<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">Les chercheurs ont produit 118 vid\u00e9os montrant ces chiens virtuels dans diverses actions - assis, marchant, aboyant et courant - dans diff\u00e9rentes conditions environnementales. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ce travail a abouti \u00e0 la cr\u00e9ation de \"DigiDogs\", une riche base de donn\u00e9es contenant 27 900 images de mouvements de chiens, captur\u00e9s d'une mani\u00e8re que la collecte de donn\u00e9es dans le monde r\u00e9el n'avait pas permise.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Avec l'ensemble de donn\u00e9es en main, les \u00e9tapes suivantes ont utilis\u00e9 le mod\u00e8le d'IA DINOv2 de Meta pour ses fortes capacit\u00e9s de g\u00e9n\u00e9ralisation, en l'affinant avec DigiDogs pour pr\u00e9dire avec pr\u00e9cision les poses 3D \u00e0 partir d'images RVB \u00e0 vue unique.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Les chercheurs ont d\u00e9montr\u00e9 que l'utilisation de l'ensemble de donn\u00e9es DigiDogs pour l'entra\u00eenement permettait d'obtenir des poses de chiens en 3D plus pr\u00e9cises et plus r\u00e9alistes que celles obtenues \u00e0 partir d'ensembles de donn\u00e9es du monde r\u00e9el, gr\u00e2ce \u00e0 la vari\u00e9t\u00e9 des apparences et des actions des chiens captur\u00e9s. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">L'am\u00e9lioration des performances du mod\u00e8le a \u00e9t\u00e9 confirm\u00e9e par des \u00e9valuations qualitatives et quantitatives approfondies.<\/span><\/p>\n<figure id=\"attachment_10472\" aria-describedby=\"caption-attachment-10472\" style=\"width: 699px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-10472\" src=\"https:\/\/dailyai.com\/wp-content\/uploads\/2024\/03\/rgbddog-1024x444.png\" alt=\"Chiens d&#039;IA\" width=\"699\" height=\"303\" srcset=\"https:\/\/dailyai.com\/wp-content\/uploads\/2024\/03\/rgbddog-1024x444.png 1024w, https:\/\/dailyai.com\/wp-content\/uploads\/2024\/03\/rgbddog-300x130.png 300w, https:\/\/dailyai.com\/wp-content\/uploads\/2024\/03\/rgbddog-768x333.png 768w, https:\/\/dailyai.com\/wp-content\/uploads\/2024\/03\/rgbddog-370x160.png 370w, https:\/\/dailyai.com\/wp-content\/uploads\/2024\/03\/rgbddog-800x347.png 800w, https:\/\/dailyai.com\/wp-content\/uploads\/2024\/03\/rgbddog-740x321.png 740w, https:\/\/dailyai.com\/wp-content\/uploads\/2024\/03\/rgbddog-20x9.png 20w, https:\/\/dailyai.com\/wp-content\/uploads\/2024\/03\/rgbddog-111x48.png 111w, https:\/\/dailyai.com\/wp-content\/uploads\/2024\/03\/rgbddog.png 1372w\" sizes=\"auto, (max-width: 699px) 100vw, 699px\" \/><figcaption id=\"caption-attachment-10472\" class=\"wp-caption-text\">Les mod\u00e8les form\u00e9s sur l'ensemble de donn\u00e9es synth\u00e9tiques DigiDogs ont montr\u00e9 une meilleure pr\u00e9cision que ceux form\u00e9s uniquement sur l'ensemble de donn\u00e9es r\u00e9elles RGBD-Dogs. Vous pouvez le constater ici en examinant attentivement les correspondances pr\u00e9dites (en rose) par rapport \u00e0 la v\u00e9rit\u00e9 de terrain (en vert), qui sont am\u00e9lior\u00e9es sur le c\u00f4t\u00e9 droit. Source : <a href=\"https:\/\/openaccess.thecvf.com\/content\/WACV2024W\/CV4Smalls\/papers\/Shooter_DigiDogs_Single-View_3D_Pose_Estimation_of_Dogs_Using_Synthetic_Training_WACVW_2024_paper.pdf\">Universit\u00e9 de Surrey<\/a>.<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">Bien que cette \u00e9tude repr\u00e9sente un grand pas en avant dans la mod\u00e9lisation 3D des animaux, l'\u00e9quipe reconna\u00eet qu'il y a encore du travail \u00e0 faire, notamment pour am\u00e9liorer la fa\u00e7on dont le mod\u00e8le pr\u00e9dit l'aspect de la profondeur des images (la coordonn\u00e9e z).\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Shooter a d\u00e9crit l'impact potentiel de leur travail en d\u00e9clarant : \"Les poses en 3D contiennent tellement plus d'informations que les photographies en 2D. De l'\u00e9cologie \u00e0 l'animation, cette solution astucieuse offre de nombreuses possibilit\u00e9s d'utilisation.\"<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Les <\/span><a href=\"https:\/\/openaccess.thecvf.com\/content\/WACV2024W\/CV4Smalls\/papers\/Shooter_DigiDogs_Single-View_3D_Pose_Estimation_of_Dogs_Using_Synthetic_Training_WACVW_2024_paper.pdf\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">papier<\/span><\/a><span style=\"font-weight: 400;\"> a remport\u00e9 le prix du meilleur article lors de la conf\u00e9rence d'hiver IEEE\/CVF sur les applications de la vision par ordinateur. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Il ouvre la voie \u00e0 une meilleure performance des mod\u00e8les dans des domaines tels que la conservation de la faune et de la flore et le rendu d'objets en 3D pour la RV.\u00a0<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>Des chercheurs de l'universit\u00e9 du Surrey ont mis au point une m\u00e9thode permettant de transformer des photographies de chiens en mod\u00e8les 3D d\u00e9taill\u00e9s.  Le mat\u00e9riel d'entra\u00eenement ? Pas de vrais chiens, mais des images g\u00e9n\u00e9r\u00e9es par ordinateur dans le monde virtuel du jeu \u00e0 succ\u00e8s Grand Theft Auto V (GTA V).  Moira Shooter, \u00e9tudiante de troisi\u00e8me cycle participant \u00e0 l'\u00e9tude, a d\u00e9clar\u00e9 : \"Notre mod\u00e8le a \u00e9t\u00e9 entra\u00een\u00e9 sur des chiens en images de synth\u00e8se, mais nous avons pu l'utiliser pour cr\u00e9er des mod\u00e8les squelettiques en 3D \u00e0 partir de photographies d'animaux r\u00e9els. Cela pourrait permettre aux d\u00e9fenseurs de l'environnement de rep\u00e9rer les animaux sauvages bless\u00e9s ou aider les artistes \u00e0 cr\u00e9er des animaux plus r\u00e9alistes dans le m\u00e9tavers\". Pour<\/p>","protected":false},"author":2,"featured_media":10474,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[84],"tags":[105,546],"class_list":["post-10471","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry","tag-machine-learning","tag-vr"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Researchers build synthetic dog dataset in GTA-V to create 3D models | DailyAI<\/title>\n<meta name=\"description\" content=\"Researchers from the University of Surrey have developed a method to transform photographs of dogs into detailed 3D models.\u00a0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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