Title: Compression d'images sans perte � l'aide de la transform�e en cosinus discr�te DCT (French Edition)
Publisher: Editions Notre Savoir
Publication Date: 2024
Language: French
ISBN 10: 6207933206
ISBN 13: 9786207933204
Binding: Soft cover
Condition: New

About this title

Synopsis

Dans le monde d'aujourd'hui, la compression d'images est un outil tr�s important pour �conomiser l'espace de stockage des images. Ces derniers jours, le partage et la transmission d'images dans les m�dias sociaux �tant � la mode, la compression des images est devenue plus importante et vitale. La compression peut �tre avec ou sans perte. Avec la compression sans perte, apr�s avoir reconstruit l'image originale � l'aide d'une technique de d�compression, l'image finale obtenue est num�riquement �gale � l'image d'entr�e. La technique de compression sans perte peut �galement �tre appliqu�e � la vid�o, mais elle est rarement utilis�e, car la compression avec perte permet d'obtenir de meilleurs taux de compression sans grande perte de qualit� de la vid�o. Il existe de nombreuses techniques de compression d'images. L'une des m�thodes de compression d'images les plus courantes est la m�thode de la transform�e en cosinus discr�te. Malgr� l'utilisation de plusieurs m�thodes avanc�es de compression d'images, les �tapes de base utilis�es pour la compression d'images fixes peuvent �galement �tre utilis�es avec l'inclusion de l'estimation et de la compensation du mouvement. Dans ce projet, la compression d'images est r�alis�e en appliquant la m�thode de la transform�e en cosinus discr�te.

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