Comment créer des transitions fluides en utilisant des sujets ou des objets dans vos films avec @guillaume.leoni.
Vous vous êtes déjà demandé comment les réalisateurs pouvaient créer des transitions naturelles et fluides entre les scènes ? Apprenez à en créer et initiez-vous à la rotoscopie dans Adobe Premiere Pro, avec l’aide de Guillaume (alias @guillaume.leoni), créateur de contenu Instagram. Suivez le tutoriel ci-dessous.
Ouvrez Premiere Pro et ajoutez les séquences entre lesquelles vous voulez créer une transition. Faites-les glisser dans le panneau Montage. Déposez la seconde séquence (celle vers laquelle vous voulez effectuer la transition) au-dessus de la première dans le panneau Montage.
Conseil : ce type de transition donne de meilleurs résultats lorsque vos séquences vont dans la même direction, à la même cadence (ex., de gauche à droite).
2 Création du masque
Accédez au panneau Options d’effet et, dans la section Opacité, sélectionnez l’icône de plume (Tracé Bézier libre)
. Vous pourrez ainsi créer un masque sur une séquence qui révèle l’autre. Accédez à l’image qui doit marquer le début de la transition et, dans l’aperçu vidéo, créez un contour pour la zone à masquer.
3 Création de la transition
Cochez la case Inversé pour que la séquence du dessous soit visible par transparence. Pour adoucir la transition, faites passer la valeur
Contour progressif à 100. Avancez ensuite image par image et ajustez les points de votre masque pour qu’ils suivent le mouvement dans votre métrage. Une image clé est créée à chaque modification. Plus vous consacrerez de temps à cette étape, plus la transition sera précise.
4 Amélioration de la fluidité
Lancez la lecture de votre transition pour voir si elle est assez fluide. Si elle est encore un peu trop brusque, augmentez les valeurs Contour progressif (essayez 400) et Expansion de masque (essayez 120) pour la fluidifier. Cela devrait suffire à rendre la transition beaucoup plus naturelle et fluide.
Behance: https://www.behance.net/live Retrouvez-nous régulièrement en direct avec de vrais professionnels, autour de projets en temps réel qui seront une véritable source d’inspiration.
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