NF EN ISO/IEC 11544

Information technology. Coded representation of picture and audio information. Progressive bi-level image compression.

Les images numériques deux tons, par exemple noir et blanc, peuvent être comprimées sans perte d'information avec une meilleure performance que les classiques méthodes T.4 et T.6. Les plans binaires des images en ton de gris ou en couleur peuvent être traités de la même manière, remplaçant le mode sans perte, préconisé dans la famille d'algorithmes de la norme JPEG. Le codage progressif permet de maîtriser la résolution à la demande, en fonction des besoins.

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