Lvmh Recherche

Sandrine Stephan

Delphine Pelle De Queral

Rodolphe Korichi

Sylvianne Schnebert

Michèle Neveu

The subject of the present invention is a method for characterizing the distribution of the volumes of the surface of the skin of an individual, more particularly applicable in the evaluation of the effect of firming cosmetic products. This method uses the isolines and the gradients of the slopes computed from a three-dimensional representation of the surface of the skin.

Method for characterising volumes of skin

A method of characterizing a person's skin imperfections uses a digital color image-taking device to take at least one digital image of an area of skin including at least one imperfection to be characterized. An apparatus for characterizing the imperfections of the skin and a method for measuring the effectiveness of a treatment for skin imperfections use an active cosmetic, dermatological or pharmaceutical agent and further measure the effectiveness of a staining method aiming to attenuate or mask skin imperfections.

Method and aparratus for characterizing a person's skin imperfections

The invention relates to a method and apparatus for characterizing the tone of the skin or integuments. The apparatus comprises a digital camera or a digital photographic apparatus () allowing the capture of at least one digital image () of at least one determined skin zone (), said image being defined by a multiplicity of pixels (N) that is transmitted to a digital image processing device comprising means for splitting the digital image into three color planes: red, green, blue, termed R, G, B; The invention finds an industrial application in a method for assessing the whitening effect of a cosmetic product.

Method for characterizing the tone of the skin and integuments

A method involving filters of an extracted plane from a digital image of an area of skin to obtain a first ripple image and a second roughness image, from which appropriate computation devices are used to calculate different types of gray levels to characterize a pigment spot, notably with regard to the uniformity or disparity of the spot. A method measures the effectiveness of a cutaneous pigment spot treatment by an active pigmenting or depigmenting agent.

Method and apparatus for characterizing pigment spots

The invention relates to a method and apparatus for characterizing the imperfections of the skin. The apparatus comprises: The invention finds an industrial application in a method of assessing the anti-aging effect of a cosmetic product.

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Beaugency, France

Sandrine Stephan