{"id":3009,"date":"2023-08-30T09:19:36","date_gmt":"2023-08-30T09:19:36","guid":{"rendered":"https:\/\/metamorphosis-project.org\/?p=3009"},"modified":"2026-09-15T14:13:01","modified_gmt":"2026-09-15T14:13:01","slug":"comment-preparons-nous-les-echantillons-pour-la-numerisation","status":"publish","type":"post","link":"https:\/\/metamorphosis-project.org\/fr\/ensembles-de-donnees\/comment-preparons-nous-les-echantillons-pour-la-numerisation\/","title":{"rendered":"Comment pr\u00e9parer les sp\u00e9cimens pour la num\u00e9risation ?"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Afin d'observer la morphologie pr\u00e9cise des os de la t\u00eate, nous utilisons une tomographie microcomput\u00e9e (scanner micro-CT). Il s'agit d'une technique d'imagerie 3D utilisant les rayons X <span>pour voir l'int\u00e9rieur d'un objet, tranche par tranche<\/span>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour notre projet, nous devons \u00e9tudier un grand nombre de salamandres et de tritons, conserv\u00e9s dans des bocaux d'alcool, dans des collections de mus\u00e9es. Ils sont pr\u00e9cieux et doivent \u00eatre restitu\u00e9s \u00e0 la collection en bon \u00e9tat.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nous avons donc mis en place un protocole de pr\u00e9paration permettant de scanner simultan\u00e9ment plusieurs sp\u00e9cimens, tout en veillant \u00e0 ce qu'ils restent en bon \u00e9tat et immobiles pendant le processus de num\u00e9risation.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"3307\" height=\"4677\" src=\"https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2023\/08\/dessin-2.png\" alt=\"\" class=\"wp-image-3019\" srcset=\"https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2023\/08\/dessin-2.png 3307w, https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2023\/08\/dessin-2-212x300.png 212w, https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2023\/08\/dessin-2-724x1024.png 724w, https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2023\/08\/dessin-2-768x1086.png 768w, https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2023\/08\/dessin-2-1086x1536.png 1086w, https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2023\/08\/dessin-2-1448x2048.png 1448w, https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2023\/08\/dessin-2-8x12.png 8w\" sizes=\"auto, (max-width: 3307px) 100vw, 3307px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">Here are a few photos of two of our CT scan missions in T\u00fcbingen and Madrid:<\/p>\n\n\n\n<div class=\"wp-block-jetpack-slideshow aligncenter\" data-effect=\"slide\" style=\"--aspect-ratio:calc(2560 \/ 1922)\"><div class=\"wp-block-jetpack-slideshow_container swiper\"><ul class=\"wp-block-jetpack-slideshow_swiper-wrapper swiper-wrapper\"><li class=\"wp-block-jetpack-slideshow_slide swiper-slide\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1922\" alt=\"\" class=\"wp-block-jetpack-slideshow_image wp-image-3571\" data-id=\"3571\" data-aspect-ratio=\"2560 \/ 1922\" src=\"https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2026\/06\/PXL_20250602_074850808-1-scaled.jpg\" srcset=\"https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2026\/06\/PXL_20250602_074850808-1-scaled.jpg 2560w, https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2026\/06\/PXL_20250602_074850808-1-300x225.jpg 300w, https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2026\/06\/PXL_20250602_074850808-1-1024x769.jpg 1024w, https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2026\/06\/PXL_20250602_074850808-1-768x577.jpg 768w, https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2026\/06\/PXL_20250602_074850808-1-1536x1153.jpg 1536w, https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2026\/06\/PXL_20250602_074850808-1-2048x1538.jpg 2048w, https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2026\/06\/PXL_20250602_074850808-1-16x12.jpg 16w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/><\/figure><\/li><li class=\"wp-block-jetpack-slideshow_slide swiper-slide\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"1922\" height=\"2560\" alt=\"\" class=\"wp-block-jetpack-slideshow_image wp-image-3570\" data-id=\"3570\" data-aspect-ratio=\"1922 \/ 2560\" src=\"https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2026\/06\/PXL_20250602_075802355-1-scaled.jpg\" srcset=\"https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2026\/06\/PXL_20250602_075802355-1-scaled.jpg 1922w, https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2026\/06\/PXL_20250602_075802355-1-225x300.jpg 225w, https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2026\/06\/PXL_20250602_075802355-1-769x1024.jpg 769w, https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2026\/06\/PXL_20250602_075802355-1-768x1023.jpg 768w, https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2026\/06\/PXL_20250602_075802355-1-1153x1536.jpg 1153w, https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2026\/06\/PXL_20250602_075802355-1-1538x2048.jpg 1538w, https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2026\/06\/PXL_20250602_075802355-1-9x12.jpg 9w\" sizes=\"(max-width: 1922px) 100vw, 1922px\" \/><\/figure><\/li><li class=\"wp-block-jetpack-slideshow_slide swiper-slide\"><figure><img decoding=\"async\" alt=\"\" class=\"wp-block-jetpack-slideshow_image wp-image-3559\" data-id=\"3559\" src=\"https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2026\/06\/PXL_20250602_072216499.jpg\" \/><\/figure><\/li><li class=\"wp-block-jetpack-slideshow_slide swiper-slide\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" alt=\"Plusieurs sp\u00e9cimens de salamandre conserv\u00e9s, emball\u00e9s dans un tube en plastique transparent\" class=\"wp-block-jetpack-slideshow_image wp-image-560\" data-id=\"560\" data-aspect-ratio=\"768 \/ 1024\" src=\"https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2023\/04\/multiple-salamander-specimens-wrapped-for-ct-scanning-in-plastic-tube-on-table-1024h-opt.webp\" srcset=\"https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2023\/04\/multiple-salamander-specimens-wrapped-for-ct-scanning-in-plastic-tube-on-table-1024h-opt.webp 768w, https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2023\/04\/multiple-salamander-specimens-wrapped-for-ct-scanning-in-plastic-tube-on-table-1024h-opt-225x300.webp 225w, https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2023\/04\/multiple-salamander-specimens-wrapped-for-ct-scanning-in-plastic-tube-on-table-1024h-opt-600x800.webp 600w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><figcaption class=\"wp-block-jetpack-slideshow_caption gallery-caption\">Comme la r\u00e9alisation d'un seul scanner peut prendre plus d'une heure, nous regroupons plusieurs sp\u00e9cimens de salamandre dans un tube en plastique qui sera ins\u00e9r\u00e9 dans le scanner.<\/figcaption><\/figure><\/li><li class=\"wp-block-jetpack-slideshow_slide swiper-slide\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" alt=\"Un micro scanner de la taille d&#039;une pi\u00e8ce avec un poste de travail associ\u00e9, un clavier, des commandes et deux moniteurs.\" class=\"wp-block-jetpack-slideshow_image wp-image-559\" data-id=\"559\" data-aspect-ratio=\"1024 \/ 768\" src=\"https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2023\/04\/micro-ct-scanner-work-station-two-screens-keyboard-control-panel-1024w-opt.webp\" srcset=\"https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2023\/04\/micro-ct-scanner-work-station-two-screens-keyboard-control-panel-1024w-opt.webp 1024w, https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2023\/04\/micro-ct-scanner-work-station-two-screens-keyboard-control-panel-1024w-opt-300x225.webp 300w, https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2023\/04\/micro-ct-scanner-work-station-two-screens-keyboard-control-panel-1024w-opt-768x576.webp 768w, https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2023\/04\/micro-ct-scanner-work-station-two-screens-keyboard-control-panel-1024w-opt-800x600.webp 800w, https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2023\/04\/micro-ct-scanner-work-station-two-screens-keyboard-control-panel-1024w-opt-620x465.webp 620w, https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2023\/04\/micro-ct-scanner-work-station-two-screens-keyboard-control-panel-1024w-opt-400x300.webp 400w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-block-jetpack-slideshow_caption gallery-caption\">Pour recueillir des donn\u00e9es sur la forme du cr\u00e2ne des sp\u00e9cimens de salamandre, nous utilisons la tomodensitom\u00e9trie, comme ce micro-scanner. Cela nous permet de collecter des donn\u00e9es sur un sp\u00e9cimen de mani\u00e8re non destructive, de sorte que le sp\u00e9cimen reste pr\u00e9serv\u00e9 pour les recherches futures.<\/figcaption><\/figure><\/li><li class=\"wp-block-jetpack-slideshow_slide swiper-slide\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1922\" alt=\"\" class=\"wp-block-jetpack-slideshow_image wp-image-3575\" data-id=\"3575\" data-aspect-ratio=\"2560 \/ 1922\" src=\"https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2026\/06\/PXL_20250528_103647478-scaled.jpg\" srcset=\"https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2026\/06\/PXL_20250528_103647478-scaled.jpg 2560w, https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2026\/06\/PXL_20250528_103647478-300x225.jpg 300w, https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2026\/06\/PXL_20250528_103647478-1024x769.jpg 1024w, https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2026\/06\/PXL_20250528_103647478-768x577.jpg 768w, https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2026\/06\/PXL_20250528_103647478-1536x1153.jpg 1536w, https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2026\/06\/PXL_20250528_103647478-2048x1538.jpg 2048w, https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2026\/06\/PXL_20250528_103647478-16x12.jpg 16w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/><\/figure><\/li><li class=\"wp-block-jetpack-slideshow_slide swiper-slide\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" alt=\"Un \u00e9cran d&#039;ordinateur montrant un aper\u00e7u des radiographies des sp\u00e9cimens de salamandre dans le scanner.\" class=\"wp-block-jetpack-slideshow_image wp-image-562\" data-id=\"562\" data-aspect-ratio=\"1024 \/ 768\" src=\"https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2023\/04\/plain-film-xray-view-ct-scan-multiple-salamander-specimens-1024w-opt.webp\" srcset=\"https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2023\/04\/plain-film-xray-view-ct-scan-multiple-salamander-specimens-1024w-opt.webp 1024w, https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2023\/04\/plain-film-xray-view-ct-scan-multiple-salamander-specimens-1024w-opt-300x225.webp 300w, https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2023\/04\/plain-film-xray-view-ct-scan-multiple-salamander-specimens-1024w-opt-768x576.webp 768w, https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2023\/04\/plain-film-xray-view-ct-scan-multiple-salamander-specimens-1024w-opt-800x600.webp 800w, https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2023\/04\/plain-film-xray-view-ct-scan-multiple-salamander-specimens-1024w-opt-620x465.webp 620w, https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2023\/04\/plain-film-xray-view-ct-scan-multiple-salamander-specimens-1024w-opt-400x300.webp 400w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-block-jetpack-slideshow_caption gallery-caption\">Here&#8217;s what the bundle of salamander specimens look like when viewed with x-rays. We can use an x-ray preview to make sure everything is aligned properly before starting the scan.<\/figcaption><\/figure><\/li><li class=\"wp-block-jetpack-slideshow_slide swiper-slide\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" alt=\"Rendu num\u00e9rique de squelettes de salamandres multiples reconstruits \u00e0 partir d&#039;un micro-scanner\" class=\"wp-block-jetpack-slideshow_image wp-image-563\" data-id=\"563\" data-aspect-ratio=\"1024 \/ 768\" src=\"https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2023\/04\/preview-reconstruction-ct-scan-multiple-salamander-specimens-1024w-opt.webp\" srcset=\"https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2023\/04\/preview-reconstruction-ct-scan-multiple-salamander-specimens-1024w-opt.webp 1024w, https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2023\/04\/preview-reconstruction-ct-scan-multiple-salamander-specimens-1024w-opt-300x225.webp 300w, https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2023\/04\/preview-reconstruction-ct-scan-multiple-salamander-specimens-1024w-opt-768x576.webp 768w, https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2023\/04\/preview-reconstruction-ct-scan-multiple-salamander-specimens-1024w-opt-800x600.webp 800w, https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2023\/04\/preview-reconstruction-ct-scan-multiple-salamander-specimens-1024w-opt-620x465.webp 620w, https:\/\/metamorphosis-project.org\/wp-content\/uploads\/2023\/04\/preview-reconstruction-ct-scan-multiple-salamander-specimens-1024w-opt-400x300.webp 400w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-block-jetpack-slideshow_caption gallery-caption\">Le micro scanner nous permet d'obtenir des donn\u00e9es anatomiques 3D \u00e0 haute r\u00e9solution \u00e0 partir du squelette complet d'un sp\u00e9cimen de salamandre, sans endommager le sp\u00e9cimen de quelque mani\u00e8re que ce soit.<\/figcaption><\/figure><\/li><\/ul><a class=\"wp-block-jetpack-slideshow_button-prev swiper-button-prev swiper-button-white\" role=\"button\"><\/a><a class=\"wp-block-jetpack-slideshow_button-next swiper-button-next swiper-button-white\" role=\"button\"><\/a><a aria-label=\"Pause du diaporama\" class=\"wp-block-jetpack-slideshow_button-pause\" role=\"button\"><\/a><div class=\"wp-block-jetpack-slideshow_pagination swiper-pagination swiper-pagination-white\"><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>In order to observe the precise morphology of the head bones, we use a micro-computed tomography (micro-CT scanner). This is a 3D imaging technique using x-rays to see inside an object, slice by slice. For our project, we need to study a large number of salamanders and newts, preserved in alcohol jars, in museum collections. [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":3011,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[11,29,14],"tags":[10,22],"class_list":["post-3009","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-datasets","category-news","category-tutorials","tag-interconnected-datasets","tag-mesh-data"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":8}},"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"In order to observe the precise morphology of the head bones, we use a micro-computed tomography (micro-CT scanner). 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This is a 3D imaging technique using x-rays to see inside an object, slice by slice. For our project, we need to study a large number of salamanders and newts, preserved in alcohol jars, in museum collections.\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/metamorphosis-project.org\/fr\/ensembles-de-donnees\/comment-preparons-nous-les-echantillons-pour-la-numerisation\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2023-08-30T09:19:36+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2026-09-15T14:13:01+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:site\" content=\"@kafka_project\" \/>\n\t\t<meta name=\"twitter:title\" content=\"How do we prepare specimens for scanning? - Meta-Morphosis Project\" \/>\n\t\t<meta name=\"twitter:description\" content=\"In order to observe the precise morphology of the head bones, we use a micro-computed tomography (micro-CT scanner). 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