Method of digital simulation of image support rendering

Details Method of digital simulation of image support rendering Method of digital simulation of image support rendering

2004-07-10

2009-06-02

Do, Anh Hong (Department: 2624)

Image analysis

Image enhancement or restoration

Intensity, brightness, contrast, or shading correction

C382S132000

Reexamination Certificate

active

07542621

ABSTRACT:
A method of simulation of a recording support rendering called target rendering is provided. The method includes the following successive steps: a) the digitization of images (12) captured on a first support (10) and at least one sensitometry control (14) recorded on the same support, so as to obtain initial digital codes for a set of pixels taken in the images and the sensitometry control, b) the establishment, from the digital codes of the sensitometry control (26), of an initial sensitometry relationship (26) for the first digital support, the initial sensitometry relationship (26) linking the digital codes to the support's light exposure values, c) the establishment, from one target sensitometry relationship (28), corresponding to the target rendering, of new digital codes for a number of image pixels, the new digital codes being established so that the new digital code and initial digital code of each pixel are linked to the same exposure value, respectively by the target sensitometry relationship (28) and the initial sensitometry relationship (26).

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patent: 1 318 671 (2003-06-01), None

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