Method for manufacturing a decorative sheet and a method for manufacturing a decorative panel comprising a decorative sheet

A method for manufacturing a decorative sheet, the method comprising:

• a) providing a first printed substrate having a first decorative image that has been printed using an analog printing technique;
• b) acquiring a digital copy of the first decorative image, thereby obtaining a first master image;
• c) performing at least a hyperspectral measure on the first decorative image, thereby obtaining a first color profile;
• d) determining an ICC profile from the first color profile;
• e) setting a display device using the ICC profile and performing an image processing operation while visualizing the first master image using the ICC profile thereby obtaining a second master image;
• f) printing the second master image on a second substrate using a digital printing technique thereby obtaining a second printed substrate having a second decorative image;
• wherein c) is performed after the first printed substrate is subjected to a predetermined operation that cause a color shift in the first decorative image.

A method for manufacturing a decorative sheet, the method comprising:

• a) providing a first printed substrate having a first printed decorative image;
• b) acquiring a digital copy of the first printed decorative image, thereby obtaining a first master image;
• c) performing at least a hyperspectral measure on the first printed decorative image, thereby obtaining a first color profile;
• d) printing the first master image on a second substrate using a digital printing technique thereby obtaining a second printed substrate having a second decorative image;
• e) performing at least a hyperspectral measure on the second decorative image, thereby obtaining a second color profile;
• f) comparing the first and the second color profiles and determine a similarity index between the first and the second color profiles;
• g) if the similarity index is below a threshold value, performing an image processing operation on the first master image to obtain a second master image;
• h) repeating d) to g) until the similarity index is equal to or above the threshold value;
• wherein b) is performed after the first printed substrate is subjected to a predetermined operation that cause a color shift in the first printed decorative image;
• and
• wherein e) is performed after the second printed substrate is subjected to the predetermined operation.