{"id":6094,"date":"2022-11-25T13:26:28","date_gmt":"2022-11-25T12:26:28","guid":{"rendered":"https:\/\/www.tpl-vision.com\/note-technique-curve-effect\/"},"modified":"2026-03-11T14:06:28","modified_gmt":"2026-03-11T13:06:28","slug":"curve-effect-tech-note-request","status":"publish","type":"page","link":"https:\/\/www.tpl-vision.com\/fr\/services\/support-technique\/curve-effect-tech-note-request\/","title":{"rendered":"Note Technique \u00ab Curve Effect \u00bb"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"6094\" class=\"elementor elementor-6094 elementor-5764\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9ba6018 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9ba6018\" data-element_type=\"section\">\n\t\t\t\t\t\t\t<div class=\"elementor-background-overlay\"><\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-narrow\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-fca77d2\" data-id=\"fca77d2\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-26a5b1d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"26a5b1d\" data-element_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-50 elementor-inner-column elementor-element elementor-element-7f775de\" data-id=\"7f775de\" data-element_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-d6cf18c elementor-position-left elementor-vertical-align-middle elementor-view-default elementor-mobile-position-top elementor-widget elementor-widget-icon-box\" data-id=\"d6cf18c\" data-element_type=\"widget\" data-widget_type=\"icon-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<link rel=\"stylesheet\" href=\"https:\/\/www.tpl-vision.com\/wp-content\/plugins\/elementor\/assets\/css\/widget-icon-box.min.css\">\t\t<div class=\"elementor-icon-box-wrapper\">\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\n\t\t\t\t<span  class=\"elementor-icon elementor-animation-\">\n\t\t\t\t<i aria-hidden=\"true\" class=\"far fa-thumbs-down\"><\/i>\t\t\t\t<\/span>\n\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\t\t\t\t<h3 class=\"elementor-icon-box-title\">\n\t\t\t\t\t<span  >\n\t\t\t\t\t\tVos applications en vision industrielle comportent-elles des zones de brillance au centre de vos images, ce qui entra\u00eene un taux d\u2019\u00e9chec \u00e9lev\u00e9 ? \t\t\t\t\t<\/span>\n\t\t\t\t<\/h3>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-db861f9 elementor-position-left elementor-vertical-align-middle elementor-view-default elementor-mobile-position-top elementor-widget elementor-widget-icon-box\" data-id=\"db861f9\" data-element_type=\"widget\" data-widget_type=\"icon-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\n\t\t\t\t<span  class=\"elementor-icon elementor-animation-\">\n\t\t\t\t<i aria-hidden=\"true\" class=\"far fa-thumbs-down\"><\/i>\t\t\t\t<\/span>\n\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\t\t\t\t<h3 class=\"elementor-icon-box-title\">\n\t\t\t\t\t<span  >\n\t\t\t\t\t\tOu peut-\u00eatre devez-vous lire des codes \/ g\u00e9n\u00e9rer des images n\u2019importe o\u00f9 sur un grand champ de vision 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data-elementor-lightbox-title=\"Without_Curve_Effect\" data-elementor-lightbox-description=\"This barcode test image demonstrates what it will be like without the curve effect, where uneven lighting or shadows cause on barcode to fail decoding. \" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MjAyMDksInVybCI6Imh0dHBzOlwvXC93d3cudHBsLXZpc2lvbi5jb21cL3dwLWNvbnRlbnRcL3VwbG9hZHNcLzIwMjVcLzAzXC9XaXRob3V0X0N1cnZlX0VmZmVjdC5qcGciLCJzbGlkZXNob3ciOiJmODBhZWQ4In0%3D\">\n\t\t\t\t\t<div class=\"e-gallery-image elementor-gallery-item__image\" data-thumbnail=\"https:\/\/www.tpl-vision.com\/wp-content\/uploads\/2025\/03\/Without_Curve_Effect.jpg\" data-width=\"1000\" data-height=\"749\" aria-label=\"Barcode test image without curve effect. showing one barcode scan failure and two readable barcodes for machine vision lighting assessment \" role=\"img\" ><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-gallery-item__overlay\"><\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t<a class=\"e-gallery-item elementor-gallery-item elementor-animated-content\" href=\"https:\/\/www.tpl-vision.com\/wp-content\/uploads\/2025\/03\/With_Curve_Effect.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-slideshow=\"f80aed8\" data-elementor-lightbox-title=\"With_Curve_Effect\" data-elementor-lightbox-description=\"This barcode test image illustrates the curved surface effect. It is used to assess the performance of machine vision lighting, lens setups, or image processing algorithms in detecting and decoding barcodes under non-ideal conditions.\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MjAyMTIsInVybCI6Imh0dHBzOlwvXC93d3cudHBsLXZpc2lvbi5jb21cL3dwLWNvbnRlbnRcL3VwbG9hZHNcLzIwMjVcLzAzXC9XaXRoX0N1cnZlX0VmZmVjdC5qcGciLCJzbGlkZXNob3ciOiJmODBhZWQ4In0%3D\">\n\t\t\t\t\t<div class=\"e-gallery-image elementor-gallery-item__image\" data-thumbnail=\"https:\/\/www.tpl-vision.com\/wp-content\/uploads\/2025\/03\/With_Curve_Effect.jpg\" data-width=\"1000\" data-height=\"749\" aria-label=\"Test image showing the effect of the curve effect on the readability of barcodes \" role=\"img\" ><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-gallery-item__overlay\"><\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-08aef93 elementor-widget elementor-widget-heading\" data-id=\"08aef93\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.19.0 - 07-02-2024 *\/\n.elementor-heading-title{padding:0;margin:0;line-height:1}.elementor-widget-heading .elementor-heading-title[class*=elementor-size-]>a{color:inherit;font-size:inherit;line-height:inherit}.elementor-widget-heading .elementor-heading-title.elementor-size-small{font-size:15px}.elementor-widget-heading .elementor-heading-title.elementor-size-medium{font-size:19px}.elementor-widget-heading .elementor-heading-title.elementor-size-large{font-size:29px}.elementor-widget-heading .elementor-heading-title.elementor-size-xl{font-size:39px}.elementor-widget-heading .elementor-heading-title.elementor-size-xxl{font-size:59px}<\/style><h2 class=\"elementor-heading-title elementor-size-default\">L'effet Curve brevet\u00e9 par TPL Vision peut<br>vous aider \u00e0 r\u00e9soudre ces probl\u00e8mes.<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-17e4f77 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"17e4f77\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-044b7bb elementor-widget elementor-widget-text-editor\" data-id=\"044b7bb\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.19.0 - 07-02-2024 *\/\n.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:#69727d;color:#fff}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap{color:#69727d;border:3px solid;background-color:transparent}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap{margin-top:8px}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap-letter{width:1em;height:1em}.elementor-widget-text-editor .elementor-drop-cap{float:left;text-align:center;line-height:1;font-size:50px}.elementor-widget-text-editor .elementor-drop-cap-letter{display:inline-block}<\/style>\t\t\t\t<p>En r\u00e8gle g\u00e9n\u00e9rale, lorsque l\u2019on \u00e9claire une zone d\u00e9finie, la distribution de la lumi\u00e8re \u00e0 travers le FoV am\u00e8ne la cam\u00e9ra \u00e0 percevoir <strong>un point chaud au centre du FoV.<\/strong> En effet, la lumi\u00e8re r\u00e9fl\u00e9chie est plus forte dans l\u2019axe central de la cam\u00e9ra que sur les bords du FoV \u2013 un effet qui s\u2019amplifie lorsque vous travaillez avec des surfaces lisses ou brillantes.<\/p>\n<p>Le \u201c<strong>Curve Effect<\/strong>\u201d est g\u00e9n\u00e9r\u00e9 \u00e0 l\u2019aide d\u2019une barre d\u2019\u00e9clairage ayant <strong>une intensit\u00e9 variable<\/strong> sur sa longueur et en att\u00e9nuant plus sp\u00e9cifiquement la lumi\u00e8re en son centre. Le \u201cCurve Effect\u201d est un outil extr\u00eamement puissant permettant d\u2019obtenir une excellente <strong>uniformit\u00e9<\/strong> \/ <strong>homog\u00e9n\u00e9it\u00e9<\/strong> sur les grands FoVs et les <strong>grandes distances de travail<\/strong>, comme notamment pour les applications de Pick &amp; Place.<\/p>\n<p><em>Pour recevoir gratuitement la note technique sur le \u00ab Curve Effect \u00bb, veuillez remplir le formulaire* situ\u00e9 \u00e0 droite.<\/em><\/p>\n<div><em>* En remplissant le formulaire, vous acceptez notre politique de confidentialit\u00e9.<\/em><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-5be5c41\" data-id=\"5be5c41\" data-element_type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\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-10881bf elementor-widget elementor-widget-html\" data-id=\"10881bf\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<iframe aria-label=\"Technote: Curve Effect\" frameborder=\"0\" style=\"height:1100px;width:99%;border:none;\" src=\"https:\/\/forms.zohopublic.com\/TPL-Vision\/form\/TechnoteCurveEffect\/formperma\/ZICUs1E0DODUeTdvYXMCj7jU8fn6x5tgWAtSXypZqxc\"><\/iframe>\t\t<\/div>\n\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\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Vos applications en vision industrielle comportent-elles des zones de brillance au centre de vos images, ce qui entra\u00eene un taux d\u2019\u00e9chec \u00e9lev\u00e9 ? Ou peut-\u00eatre devez-vous lire des codes \/ g\u00e9n\u00e9rer des images n\u2019importe o\u00f9 sur un grand champ de vision (FoV) que vous avez du mal \u00e0 \u00e9clairer uniform\u00e9ment ? L&rsquo;effet Curve brevet\u00e9 par [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"parent":5909,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"_links":{"self":[{"href":"https:\/\/www.tpl-vision.com\/fr\/wp-json\/wp\/v2\/pages\/6094"}],"collection":[{"href":"https:\/\/www.tpl-vision.com\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.tpl-vision.com\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.tpl-vision.com\/fr\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tpl-vision.com\/fr\/wp-json\/wp\/v2\/comments?post=6094"}],"version-history":[{"count":10,"href":"https:\/\/www.tpl-vision.com\/fr\/wp-json\/wp\/v2\/pages\/6094\/revisions"}],"predecessor-version":[{"id":23632,"href":"https:\/\/www.tpl-vision.com\/fr\/wp-json\/wp\/v2\/pages\/6094\/revisions\/23632"}],"up":[{"embeddable":true,"href":"https:\/\/www.tpl-vision.com\/fr\/wp-json\/wp\/v2\/pages\/5909"}],"wp:attachment":[{"href":"https:\/\/www.tpl-vision.com\/fr\/wp-json\/wp\/v2\/media?parent=6094"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}