Publication

A plastic-visco-elastic model for wrinkles in facial animation and skin aging

Daniel Thalmann, Nadia Magnenat-Thalmann
1994
Conference Papers

Abstract

A model is described to simulate expressive wrinkles in 3D facial animation and skin aging. A plastic visco elastic skin surface is defined that can slide over an underlying layer. This layer constrains the skin surface by the spring force that simulates the connective fat tissue between skin and muscles. Muscle masks are constructed to characterize the muscular contractions that offer the tension to the skin and provide the facial movement. By choosing proper parameters for this physically based model, wrinkles in facial animation and skin aging are simulated through the elastic process assembled with visco and plastic units

Official source

https://infoscience.epfl.ch/entities/publication/fc2f412c-bb7d-4735-817c-24f6f2172200

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Daniel Thalmann, Nadia Magnenat-Thalmann
1994
Conference Papers

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/fc2f412c-bb7d-4735-817c-24f6f2172200

About this result

Related concepts (32)

Skin

Skin is the layer of usually soft, flexible outer tissue covering the body of a vertebrate animal, with three main functions: protection, regulation, and sensation. Other animal coverings, such as the arthropod exoskeleton, have different developmental origin, structure and chemical composition. The adjective cutaneous means "of the skin" (from Latin cutis 'skin'). In mammals, the skin is an organ of the integumentary system made up of multiple layers of ectodermal tissue and guards the underlying muscles, bones, ligaments, and internal organs.

Human skin

The human skin is the outer covering of the body and is the largest organ of the integumentary system. The skin has up to seven layers of ectodermal tissue guarding muscles, bones, ligaments and internal organs. Human skin is similar to most of the other mammals' skin, and it is very similar to pig skin. Though nearly all human skin is covered with hair follicles, it can appear hairless. There are two general types of skin, hairy and glabrous skin (hairless). The adjective cutaneous literally means "of the skin" (from Latin cutis, skin).

Light skin

Light skin is a human skin color that has a base level of eumelanin pigmentation that has adapted to environments of low UV radiation. Light skin is most commonly found amongst the native populations of Europe and Northeast Asia as measured through skin reflectance. People with light skin pigmentation are often referred to as "white" although these usages can be ambiguous in some countries where they are used to refer specifically to certain ethnic groups or populations.

Related publications (1)

A plastic-visco-elastic model for wrinkles in facial animation and skin aging

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The elastic surface layer model for animated character construction