Centre National De La Recherche Scientifique

L'oreal

Basile Audoly

Jean-Luc M Leveque

Bernard Querleux

Frederic Leroy

Marie-Paule Cani

Florence Bertails

The invention relates to a method of generating at least one synthesized image of at least a portion of a head of hair in movement, the method comprising the steps consisting in calculating a shape of at least one director hair by applying to the at least one director hair at least one mechanical model of an inextensible rod having inertia and stiffnesses in twisting and in bending, and in generating at least one virtual image of the at least one portion of the head of hair from the shape of the director hair.

Method and a system for generating a synthesized image of at least a portion of a head of hair

The invention relates to a method of generating a synthesized image of a hair, comprising the following steps: The behavioral relationship may be given by the minimization of the following function: where &#x3b1;=Lkand &#x3b2;=K/g&#x3bc;L, and where L designates the length of the hair, kits spontaneous curvature, K its bending moment, &#x3bc; its linear density andthe acceleration due to gravity, {tilde over (s)} the curvilinear abscissa relative to the length of the hair, {tilde over (k)} its local curvature relative to its length and {tilde over (z)} its height relative to its length.

Method and a system for generating a synthesized image of a hair

Growing community of inventors

Chatenay-Malabry, France

Basile Audoly