{"id":3583,"date":"2024-05-08T22:06:01","date_gmt":"2024-05-09T02:06:01","guid":{"rendered":"https:\/\/www.ifoto.ai\/blog\/?p=3583"},"modified":"2024-06-05T22:56:02","modified_gmt":"2024-06-06T02:56:02","slug":"how-to-improve-image-quality-in-photoshop","status":"publish","type":"post","link":"https:\/\/www.ifoto.ai\/blog\/fr\/how-to-improve-image-quality-in-photoshop\/","title":{"rendered":"Comment am\u00e9liorer la qualit\u00e9 des images dans Photoshop : Un guide complet"},"content":{"rendered":"<p>Au cours des derni\u00e8res ann\u00e9es, les m\u00e9dias num\u00e9riques ont fait un bond en avant avec l&#039;int\u00e9gration de plusieurs technologies du nouvel \u00e2ge. D\u00e9sormais, les images de mauvaise qualit\u00e9 ne fonctionnent pas vraiment et ne peuvent pas vous aider \u00e0 attirer l\u2019attention de votre public. Pour cela, vous devez utiliser des visuels attrayants et de haute qualit\u00e9 tels que JPG, PNG ou GIF. Heureusement, avec l&#039;aide de Photoshop et des outils d&#039;IA, vous pouvez facilement transformer vos images de mauvaise qualit\u00e9 en HD. Dans cet article, je vous le dirai <strong>comment am\u00e9liorer la qualit\u00e9 de l&#039;image dans Photoshop<\/strong>\u00a0et en utilisant un outil bas\u00e9 sur l&#039;IA.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"600\" src=\"https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-1.jpg\" alt=\"Comment am\u00e9liorer la qualit\u00e9 des images dans Photoshop\" class=\"wp-image-3584\" srcset=\"https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-1.jpg 900w, https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-1-300x200.jpg 300w, https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-1-768x512.jpg 768w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/figure>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_66_1 ez-toc-wrap-left counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" >Table des mati\u00e8res<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table des mati\u00e8res\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #6d58fb;color:#6d58fb\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #6d58fb;color:#6d58fb\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.ifoto.ai\/blog\/fr\/how-to-improve-image-quality-in-photoshop\/#Why_do_you_Need_to_Improve_the_Quality_of_your_Photos\" title=\"Pourquoi avez-vous besoin d\u2019am\u00e9liorer la qualit\u00e9 de vos photos ?\">Pourquoi avez-vous besoin d\u2019am\u00e9liorer la qualit\u00e9 de vos photos ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.ifoto.ai\/blog\/fr\/how-to-improve-image-quality-in-photoshop\/#Using_Photoshop_Tools_to_Improve_the_Quality_of_your_Images\" title=\"Utiliser les outils Photoshop pour am\u00e9liorer la qualit\u00e9 de vos images\">Utiliser les outils Photoshop pour am\u00e9liorer la qualit\u00e9 de vos images<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.ifoto.ai\/blog\/fr\/how-to-improve-image-quality-in-photoshop\/#Image_Size_and_Resolution\" title=\"Taille et r\u00e9solution de l&#039;image\">Taille et r\u00e9solution de l&#039;image<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.ifoto.ai\/blog\/fr\/how-to-improve-image-quality-in-photoshop\/#Sharpening_Images\" title=\"Aff\u00fbtage des images\">Aff\u00fbtage des images<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.ifoto.ai\/blog\/fr\/how-to-improve-image-quality-in-photoshop\/#Noise_Reduction\" title=\"R\u00e9duction de bruit\">R\u00e9duction de bruit<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.ifoto.ai\/blog\/fr\/how-to-improve-image-quality-in-photoshop\/#Adjusting_Brightness_and_Contrast\" title=\"R\u00e9glage de la luminosit\u00e9 et du contraste\">R\u00e9glage de la luminosit\u00e9 et du contraste<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.ifoto.ai\/blog\/fr\/how-to-improve-image-quality-in-photoshop\/#Color_Grading\" title=\"D\u00e9grad\u00e9 de couleurs\">D\u00e9grad\u00e9 de couleurs<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.ifoto.ai\/blog\/fr\/how-to-improve-image-quality-in-photoshop\/#Blur_and_Sharpen_Tools\" title=\"Outils de flou et de nettet\u00e9\">Outils de flou et de nettet\u00e9<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.ifoto.ai\/blog\/fr\/how-to-improve-image-quality-in-photoshop\/#Using_Filters_and_Effects\" title=\"Utiliser des filtres et des effets\">Utiliser des filtres et des effets<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.ifoto.ai\/blog\/fr\/how-to-improve-image-quality-in-photoshop\/#Improve_your_Image_Quality_with_an_AI_Photo_Enhancer\" title=\"Am\u00e9liorez la qualit\u00e9 de votre image avec un optimiseur de photos AI\">Am\u00e9liorez la qualit\u00e9 de votre image avec un optimiseur de photos AI<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.ifoto.ai\/blog\/fr\/how-to-improve-image-quality-in-photoshop\/#Conclusion\" title=\"Conclusion\">Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\" id=\"why-do-you-need-to-improve-the-quality-of-your-photos\"><span class=\"ez-toc-section\" id=\"Why_do_you_Need_to_Improve_the_Quality_of_your_Photos\"><\/span>Pourquoi avez-vous besoin d\u2019am\u00e9liorer la qualit\u00e9 de vos photos ?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><br>Si vous utilisez toujours des photos de mauvaise qualit\u00e9, vous pouvez envisager d&#039;am\u00e9liorer leur qualit\u00e9 pour les raisons suivantes\u00a0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Des photos claires et de haute qualit\u00e9 transmettent efficacement des messages et des \u00e9motions, ce qui les rend id\u00e9ales pour partager des exp\u00e9riences avec les autres.<\/li>\n\n\n\n<li>Des photos de qualit\u00e9 am\u00e9liorent votre attrait professionnel, que ce soit pour des CV, des portfolios ou des profils de r\u00e9seaux sociaux, vous aidant ainsi \u00e0 faire une impression durable.<\/li>\n\n\n\n<li>Les photos de haute qualit\u00e9 pr\u00e9servent les souvenirs de mani\u00e8re plus vivante, vous permettant de ch\u00e9rir et de revivre des moments sp\u00e9ciaux pour les ann\u00e9es \u00e0 venir.<\/li>\n\n\n\n<li>Les images HD attirent l&#039;attention et engagent plus efficacement les spectateurs, que ce soit sur les r\u00e9seaux sociaux, les sites Web ou le contenu marketing.<\/li>\n\n\n\n<li>Des photos claires et d\u00e9taill\u00e9es sont plus susceptibles de se d\u00e9marquer sur les plateformes en ligne bond\u00e9es, augmentant ainsi leur visibilit\u00e9 et attirant davantage l&#039;attention.<\/li>\n\n\n\n<li>Les images de haute qualit\u00e9 fournissent une documentation pr\u00e9cise des \u00e9v\u00e9nements, des projets ou des produits, garantissant clart\u00e9 et d\u00e9tails pour r\u00e9f\u00e9rence future.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"using-photoshop-tools-to-improve-the-quality-of-your-images\"><span class=\"ez-toc-section\" id=\"Using_Photoshop_Tools_to_Improve_the_Quality_of_your_Images\"><\/span>Utiliser les outils Photoshop pour am\u00e9liorer la qualit\u00e9 de vos images<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><br>Adobe Photoshop propose une large gamme d&#039;outils et de fonctionnalit\u00e9s que vous pouvez utiliser pour am\u00e9liorer la qualit\u00e9 de vos images. Voici quelques-uns de ces outils Photoshop que vous pouvez envisager d&#039;explorer.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"image-size-and-resolution\"><span class=\"ez-toc-section\" id=\"Image_Size_and_Resolution\"><\/span>Taille et r\u00e9solution de l&#039;image<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><br>La plupart du temps, les images de mauvaise qualit\u00e9 souffrent d\u2019une taille et d\u2019une r\u00e9solution limit\u00e9es. C&#039;est pourquoi les utilisateurs font appel \u00e0 Photoshop pour mettre \u00e0 niveau leurs fichiers tout en am\u00e9liorant leur taille. Tu peux apprendre <strong>comment<\/strong>&nbsp;<strong>\u00e0<\/strong>&nbsp;<strong>am\u00e9liorer la qualit\u00e9 de l&#039;image dans Photoshop<\/strong>&nbsp;en le mettant \u00e0 l&#039;\u00e9chelle de la mani\u00e8re suivante\u00a0:<\/p>\n\n\n\n<p>1. Commencez par charger l&#039;image que vous souhaitez modifier sur les images Photoshop, puis s\u00e9lectionnez-la. Maintenant, allez dans le menu Image et s\u00e9lectionnez l\u2019option Taille de l\u2019image.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"339\" height=\"133\" src=\"https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-2.jpg\" alt=\"am\u00e9liorer la qualit\u00e9 de l&#039;image dans Photoshop\" class=\"wp-image-3585\" srcset=\"https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-2.jpg 339w, https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-2-300x118.jpg 300w\" sizes=\"(max-width: 339px) 100vw, 339px\" \/><\/figure>\n\n\n\n<p>2. Cela ouvrira une fen\u00eatre d\u00e9di\u00e9e dans laquelle vous pourrez sp\u00e9cifier la taille cible de l&#039;image. Par exemple, vous pouvez saisir ici manuellement la taille horizontale et verticale de l\u2019image. Assurez-vous de conserver le m\u00eame rapport hauteur \/ largeur afin que l&#039;image s&#039;adapte correctement.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"403\" src=\"https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-3.jpg\" alt=\"Utiliser les outils Photoshop pour am\u00e9liorer la qualit\u00e9 de vos images\" class=\"wp-image-3586\" srcset=\"https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-3.jpg 800w, https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-3-300x151.jpg 300w, https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-3-768x387.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>3. Outre les pixels, vous pouvez \u00e9galement mettre \u00e0 l&#039;\u00e9chelle l&#039;image en fonction de diff\u00e9rents param\u00e8tres tels que le pourcentage, les points, les centim\u00e8tres, etc.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"511\" height=\"328\" src=\"https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-4.jpg\" alt=\"Photoshop pour am\u00e9liorer la qualit\u00e9 de vos images\" class=\"wp-image-3587\" srcset=\"https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-4.jpg 511w, https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-4-300x193.jpg 300w\" sizes=\"(max-width: 511px) 100vw, 511px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"sharpening-images\"><span class=\"ez-toc-section\" id=\"Sharpening_Images\"><\/span>Aff\u00fbtage des images<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><br>Un autre probl\u00e8me auquel beaucoup de gens sont confront\u00e9s est que leurs images ne sont tout simplement pas assez nettes. Apr\u00e8s avoir augment\u00e9 la taille et les dimensions globales de vos photos, elles peuvent devenir floues. C&#039;est pourquoi vous pouvez envisager de suivre cette astuce pour rendre vos images plus nettes.<\/p>\n\n\n\n<p>1. Pour apprendre <strong>comment am\u00e9liorer la qualit\u00e9 de l&#039;image dans Photoshop<\/strong>\u00a0et rendez-la plus nette, cr\u00e9ez d&#039;abord un calque dupliqu\u00e9 de l&#039;image. Maintenant, envisagez plut\u00f4t de travailler sur le calque dupliqu\u00e9 afin de pouvoir conserver l&#039;image d&#039;origine intacte.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"526\" height=\"643\" src=\"https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-5.jpg\" alt=\"Aff\u00fbtage des images Photoshop\" class=\"wp-image-3588\" srcset=\"https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-5.jpg 526w, https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-5-245x300.jpg 245w\" sizes=\"(max-width: 526px) 100vw, 526px\" \/><\/figure>\n\n\n\n<p>2. Ensuite, acc\u00e9dez \u00e0 l&#039;option Filtre dans Photoshop et s\u00e9lectionnez la fonction Nettet\u00e9 &gt; Masque flou.<\/p>\n\n\n\n<p>3. Cela ouvrira une nouvelle fen\u00eatre dans Photoshop. Ici, vous pouvez entrer la quantit\u00e9 de nettet\u00e9 que vous souhaitez appliquer. Vous pouvez m\u00eame s\u00e9lectionner manuellement le rayon et le seuil de nettet\u00e9 pour obtenir de meilleurs r\u00e9sultats.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"475\" height=\"619\" src=\"https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-6.jpg\" alt=\"Affiner les images Photoshop\" class=\"wp-image-3589\" srcset=\"https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-6.jpg 475w, https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-6-230x300.jpg 230w\" sizes=\"(max-width: 475px) 100vw, 475px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"noise-reduction\"><span class=\"ez-toc-section\" id=\"Noise_Reduction\"><\/span>R\u00e9duction de bruit<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><br>Tout comme la nettet\u00e9, vous pouvez \u00e9galement r\u00e9duire les bruits ind\u00e9sirables sur vos photos. Il existe une option dans Adobe Photoshop qui nous permet de d\u00e9bruiter manuellement les images en s\u00e9lectionnant un algorithme pr\u00e9f\u00e9r\u00e9.<\/p>\n\n\n\n<p>1. Tout d\u2019abord, chargez simplement l\u2019image \u00e0 modifier sur Photoshop et cr\u00e9ez son calque dupliqu\u00e9.<\/p>\n\n\n\n<p>2. Ensuite, vous pouvez simplement vous diriger vers l\u2019option Filtre &gt; Nettet\u00e9 et cliquer sur la fonction \u00ab Smart Sharpen \u00bb.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"832\" height=\"406\" src=\"https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-7.jpg\" alt=\"R\u00e9duction de bruit\" class=\"wp-image-3590\" srcset=\"https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-7.jpg 832w, https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-7-300x146.jpg 300w, https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-7-768x375.jpg 768w\" sizes=\"(max-width: 832px) 100vw, 832px\" \/><\/figure>\n\n\n\n<p>3. Une fois la fen\u00eatre Smart Sharpen ouverte, vous pouvez s\u00e9lectionner manuellement un niveau pour r\u00e9duire le bruit (sur une \u00e9chelle de 0 \u00e0 100 pour cent). Vous pouvez m\u00eame s\u00e9lectionner le type d&#039;algorithme de r\u00e9duction du bruit que vous souhaitez appliquer (Flou d&#039;objectif, Flou de mouvement ou Flou gaussien) pour obtenir de meilleurs r\u00e9sultats.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"817\" height=\"394\" src=\"https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-8.jpg\" alt=\"Photoshop de r\u00e9duction du bruit\" class=\"wp-image-3591\" srcset=\"https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-8.jpg 817w, https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-8-300x145.jpg 300w, https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-8-768x370.jpg 768w\" sizes=\"(max-width: 817px) 100vw, 817px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"adjusting-brightness-and-contrast\"><span class=\"ez-toc-section\" id=\"Adjusting_Brightness_and_Contrast\"><\/span>R\u00e9glage de la luminosit\u00e9 et du contraste<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><br>Personne n\u2019aime regarder des images ennuyeuses, en particulier lorsqu\u2019il s\u2019agit de contenu marketing et multim\u00e9dia num\u00e9rique. C&#039;est pourquoi vous pouvez utiliser un outil professionnel comme Photoshop pour am\u00e9liorer la luminosit\u00e9 et le contraste globaux de vos images de la mani\u00e8re suivante.<\/p>\n\n\n\n<p>1. Pour modifier les niveaux de luminosit\u00e9 et de contraste d&#039;une image dans Photoshop, vous pouvez d&#039;abord t\u00e9l\u00e9charger l&#039;image sur l&#039;outil et cr\u00e9er un autre calque (si n\u00e9cessaire).<\/p>\n\n\n\n<p>2. Maintenant, allez dans le menu le plus haut de Photoshop, acc\u00e9dez \u00e0 Image &gt; Ajustements et cliquez sur l&#039;option \u00ab Luminosit\u00e9\/Contraste \u00bb.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"364\" src=\"https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-9.jpg\" alt=\"R\u00e9glage de la luminosit\u00e9 et du contraste\" class=\"wp-image-3592\" srcset=\"https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-9.jpg 600w, https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-9-300x182.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/figure>\n\n\n\n<p>3. Comme cela ouvre une nouvelle bo\u00eete de dialogue, vous pouvez modifier manuellement le niveau de luminosit\u00e9 et de contraste de l&#039;image. Pour obtenir des r\u00e9sultats instantan\u00e9s, vous pouvez \u00e9galement cliquer sur l&#039;option \u00ab Auto \u00bb, qui permettra \u00e0 Photoshop de corriger automatiquement la luminosit\u00e9 de l&#039;image.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"436\" height=\"331\" src=\"https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-10.jpg\" alt=\"R\u00e9glage de la luminosit\u00e9 et du contraste dans Photoshop\" class=\"wp-image-3593\" srcset=\"https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-10.jpg 436w, https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-10-300x228.jpg 300w\" sizes=\"(max-width: 436px) 100vw, 436px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"color-grading\"><span class=\"ez-toc-section\" id=\"Color_Grading\"><\/span>D\u00e9grad\u00e9 de couleurs<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><br>Vos images souffrent d\u2019un manque de couleurs ou contiennent des couleurs diff\u00e9rentes ? La d\u00e9coloration des images est l\u2019un des probl\u00e8mes les plus courants auxquels les gens sont confront\u00e9s. Heureusement, vous pouvez facilement apprendre <strong>comment am\u00e9liorer la qualit\u00e9 de l&#039;image<\/strong>&nbsp;<strong>dans<\/strong>&nbsp;<strong>Photoshop<\/strong>&nbsp;et effectuez les corrections de couleurs de la mani\u00e8re suivante\u00a0:<\/p>\n\n\n\n<p>1. Commencez par charger la photo de votre choix sur Adobe Photoshop puis visitez son calque de r\u00e9glage. Vous pouvez le faire en s\u00e9lectionnant l\u2019image et en acc\u00e9dant \u00e0 Image &gt; R\u00e9glages &gt; Filtre photo.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"799\" height=\"449\" src=\"https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-11.jpg\" alt=\"D\u00e9grad\u00e9 de couleurs\" class=\"wp-image-3594\" srcset=\"https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-11.jpg 799w, https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-11-300x169.jpg 300w, https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-11-768x432.jpg 768w\" sizes=\"(max-width: 799px) 100vw, 799px\" \/><\/figure>\n\n\n\n<p>2. Lorsque la nouvelle bo\u00eete de dialogue s&#039;ouvre, s\u00e9lectionnez \u00ab\u00a0Filtre de couleur\u00a0\u00bb dans l&#039;option de type de filtre. D\u00e9sormais, vous pouvez s\u00e9lectionner une couleur \u00e0 induire et m\u00eame marquer sa densit\u00e9. Appliquez simplement l&#039;option et n&#039;h\u00e9sitez pas \u00e0 modifier ces propri\u00e9t\u00e9s pour obtenir les r\u00e9sultats souhait\u00e9s.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"799\" height=\"449\" src=\"https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-12.jpg\" alt=\"Photoshop d&#039;\u00e9talonnage des couleurs\" class=\"wp-image-3595\" srcset=\"https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-12.jpg 799w, https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-12-300x169.jpg 300w, https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-12-768x432.jpg 768w\" sizes=\"(max-width: 799px) 100vw, 799px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"blur-and-sharpen-tools\"><span class=\"ez-toc-section\" id=\"Blur_and_Sharpen_Tools\"><\/span>Outils de flou et de nettet\u00e9<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><br>Adobe Photoshop fournit \u00e9galement deux outils puissants qui peuvent nous aider \u00e0 modifier l&#039;attrait g\u00e9n\u00e9ral de n&#039;importe quelle image : le flou et la nettet\u00e9. Par exemple, vous pouvez utiliser l&#039;outil de flou pour flouter l&#039;arri\u00e8re-plan de n&#039;importe quelle image, et avec l&#039;outil de nettet\u00e9, vous pouvez facilement mettre au point n&#039;importe quel objet ou individu.<\/p>\n\n\n\n<p><strong>Outil de floutage<\/strong><strong><\/strong><\/p>\n\n\n\n<p>Apr\u00e8s avoir charg\u00e9 l&#039;image sur Photoshop, vous pouvez simplement acc\u00e9der \u00e0 son panneau lat\u00e9ral et cliquer sur l&#039;outil de flou. Cela changera votre curseur et vous pourrez simplement s\u00e9lectionner les objets que vous souhaitez rendre flous. Une fois l\u2019effet appliqu\u00e9, la zone s\u00e9lectionn\u00e9e deviendra floue.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"319\" src=\"https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-13.jpg\" alt=\"Outils de flou et de nettet\u00e9\" class=\"wp-image-3596\" srcset=\"https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-13.jpg 800w, https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-13-300x120.jpg 300w, https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-13-768x306.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p><strong>Outil d&#039;aff\u00fbtage<\/strong><strong><\/strong><\/p>\n\n\n\n<p>L&#039;outil de nettet\u00e9 fonctionne juste \u00e0 l&#039;oppos\u00e9 de l&#039;outil de flou. Apr\u00e8s avoir charg\u00e9 l&#039;image sur Photoshop, vous pouvez s\u00e9lectionner l&#039;outil de nettet\u00e9 dans la barre lat\u00e9rale. Il ne vous reste plus qu&#039;\u00e0 marquer soigneusement l&#039;objet que vous souhaitez aiguiser. Apr\u00e8s avoir appliqu\u00e9 l&#039;effet, l&#039;objet serait mis au point.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"using-filters-and-effects\"><span class=\"ez-toc-section\" id=\"Using_Filters_and_Effects\"><\/span>Utiliser des filtres et des effets<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><br>Adobe Photoshop propose \u00e9galement une large gamme de filtres et d&#039;effets que vous pouvez utiliser pour am\u00e9liorer l&#039;attrait visuel de vos images. Apprendre <strong>comment am\u00e9liorer la qualit\u00e9 de l&#039;image dans Photoshop<\/strong>, vous pouvez simplement t\u00e9l\u00e9charger l&#039;image et acc\u00e9der \u00e0 son Menu &gt; Filtres.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"589\" height=\"415\" src=\"https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-14.jpg\" alt=\"Utiliser des filtres et des effets\" class=\"wp-image-3597\" srcset=\"https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-14.jpg 589w, https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/how-to-improve-image-quality-in-photoshop-14-300x211.jpg 300w\" sizes=\"(max-width: 589px) 100vw, 589px\" \/><\/figure>\n\n\n\n<p>Ici, vous pouvez voir une large gamme de filtres et d\u2019effets facilement disponibles propos\u00e9s par Photoshop. Ceux-ci seront r\u00e9pertori\u00e9s dans diff\u00e9rentes cat\u00e9gories telles que Artistique, Am\u00e9liorer, Flou, Esquisse, etc. Vous pouvez simplement acc\u00e9der \u00e0 n\u2019importe quelle cat\u00e9gorie, appliquer le filtre\/effet et consulter les r\u00e9sultats.<strong><\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"improve-your-image-quality-with-an-ai-photo-enhancer\"><span class=\"ez-toc-section\" id=\"Improve_your_Image_Quality_with_an_AI_Photo_Enhancer\"><\/span>Am\u00e9liorez la qualit\u00e9 de votre image avec un optimiseur de photos AI<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><br>Comme vous pouvez le constater, apprendre <strong>comment am\u00e9liorer la qualit\u00e9 de l&#039;image dans Photoshop<\/strong>&nbsp;Cela prend non seulement du temps, mais n\u00e9cessite \u00e9galement une exp\u00e9rience du produit. De plus, m\u00eame apr\u00e8s avoir utilis\u00e9 Photoshop, il peut finir par fournir des r\u00e9sultats incoh\u00e9rents.<\/p>\n\n\n\n<p>Pour surmonter ces probl\u00e8mes, vous pouvez envisager d&#039;utiliser un outil convivial <a href=\"https:\/\/www.ifoto.ai\/photo-enhancer\"><strong><u><strong>Optimiseur de photos IA<\/strong><\/u><\/strong><\/a>&nbsp;d&#039;iFoto. Faisant partie d&#039;iFoto Studio, il fournit une solution rapide et tr\u00e8s efficace pour am\u00e9liorer la qualit\u00e9 globale de vos photos. De la r\u00e9duction du bruit et des flous \u00e0 l&#039;\u00e9limination de probl\u00e8mes tels que la d\u00e9coloration ou la sursaturation, iFoto Photo Enhancer peut r\u00e9soudre tous ces probl\u00e8mes en un seul clic.<\/p>\n\n\n\n<p>Voici comment vous pouvez \u00e9galement b\u00e9n\u00e9ficier de l&#039;aide d&#039;iFoto Photo Enhancer pour am\u00e9liorer et am\u00e9liorer rapidement la qualit\u00e9 de vos images\u00a0:<\/p>\n\n\n\n<p><strong>\u00c9tape 1\u00a0: T\u00e9l\u00e9chargez la photo \u00e0 am\u00e9liorer<\/strong><strong><\/strong><\/p>\n\n\n\n<p>Tout d\u2019abord, visitez simplement le site officiel d\u2019iFoto Photo Enhancer ou lancez l\u2019application iFoto. \u00c0 partir de l\u00e0, vous pouvez simplement glisser et d\u00e9poser la photo de votre choix ou la t\u00e9l\u00e9charger manuellement sur iFoto.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/ifoto-photo-enhancer.jpg\" alt=\"Am\u00e9liorez la qualit\u00e9 de votre image avec un optimiseur de photos AI\"\/><\/figure>\n\n\n\n<p><strong>\u00c9tape 2\u00a0: Am\u00e9liorer la qualit\u00e9 de l&#039;image t\u00e9l\u00e9charg\u00e9e<\/strong><strong><\/strong><\/p>\n\n\n\n<p>Une fois la photo t\u00e9l\u00e9charg\u00e9e sur iFoto, vous pouvez pr\u00e9visualiser l&#039;image et m\u00eame t\u00e9l\u00e9charger \u00e0 nouveau n&#039;importe quelle autre image.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/ifoto-photo-enhancer-2.jpg\" alt=\"Optimiseur de photos IA\"\/><\/figure>\n\n\n\n<p>Apr\u00e8s avoir t\u00e9l\u00e9charg\u00e9 l&#039;image, vous pouvez simplement cliquer sur le bouton \u00ab Upscaler \u00bb sur le c\u00f4t\u00e9 de l&#039;interface Web ou appuyer sur le bouton \u00ab Upscaler \u00bb en bas de l&#039;application.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/ifoto-photo-enhancer-3.jpg\" alt=\"Am\u00e9liorer la qualit\u00e9 de l&#039;image t\u00e9l\u00e9charg\u00e9e\"\/><\/figure>\n\n\n\n<p><strong>\u00c9tape 3\u00a0: Pr\u00e9visualisez les r\u00e9sultats et enregistrez l&#039;image am\u00e9lior\u00e9e<\/strong><strong><\/strong><\/p>\n\n\n\n<p>C&#039;est \u00e7a! Vous pouvez simplement attendre quelques secondes et attendre car iFoto supprimera automatiquement toutes sortes de probl\u00e8mes avec votre photo tout en am\u00e9liorant sa qualit\u00e9.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/ifoto-photo-enhancer-4.jpg\" alt=\"Pr\u00e9visualisez les r\u00e9sultats et enregistrez l&#039;image am\u00e9lior\u00e9e\"\/><\/figure>\n\n\n\n<p>En fin de compte, vous pouvez simplement pr\u00e9visualiser les r\u00e9sultats d&#039;iFoto Photo Enhancer et cliquer sur l&#039;ic\u00f4ne de t\u00e9l\u00e9chargement pour enregistrer l&#039;image.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.ifoto.ai\/blog\/wp-content\/uploads\/ifoto-photo-enhancer-5.jpg\" alt=\"t\u00e9l\u00e9charger l&#039;image am\u00e9lior\u00e9e\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"conclusion\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Si vous avez une image de mauvaise qualit\u00e9 ou floue, vous pouvez facilement faire appel \u00e0 Adobe Photoshop pour la corriger. Dans ce guide, j&#039;ai propos\u00e9 diff\u00e9rentes solutions que vous pouvez \u00e9galement suivre pour apprendre <strong>comment am\u00e9liorer la qualit\u00e9 de l&#039;image dans Photoshop<\/strong>. Cependant, l&#039;utilisation de Photoshop peut \u00eatre un processus fastidieux et long et vous pouvez envisager une alternative automatis\u00e9e bas\u00e9e sur l&#039;IA comme iFoto Photo Enhancer. En l&#039;utilisant, vous pouvez am\u00e9liorer instantan\u00e9ment l&#039;attrait visuel global de votre photo, obtenir des r\u00e9sultats coh\u00e9rents et de haute qualit\u00e9, et cela \u00e9galement sans aucun effort manuel.<\/p>","protected":false},"excerpt":{"rendered":"<p>Ces derni\u00e8res ann\u00e9es, les m\u00e9dias num\u00e9riques ont connu une \u00e9volution spectaculaire gr\u00e2ce \u00e0 l&#039;int\u00e9gration de plusieurs technologies innovantes. Aujourd&#039;hui, les images de mauvaise qualit\u00e9 ne sont plus vraiment efficaces et ne permettent pas de capter l&#039;attention de votre public. Pour cela, il est n\u00e9cessaire d&#039;utiliser des visuels attrayants et de haute qualit\u00e9, comme les fichiers JPG, PNG ou GIF. Heureusement, gr\u00e2ce \u00e0 Photoshop et [\u2026]<\/p>","protected":false},"author":3,"featured_media":3584,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_gspb_post_css":"","footnotes":""},"categories":[62],"tags":[68],"post_folder":[],"class_list":["post-3583","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-photo-enhancer","tag-photo-enhancer"],"blocksy_meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to Improve Image Quality in Photoshop: A Complete Guide - iFoto&#039;s Blog<\/title>\n<meta name=\"description\" content=\"Do you have blurry, decolorized, or noisy images that you want to fix? 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