posted on 2008-01-01, 00:00authored byMinh Hoai Nguyen, Jean-Francois Lalonde, Alexei A. Efros, Fernando De la Torre
Many categories of objects, such as human faces, can be naturally viewed as a composition of several different
layers. For example, a bearded face with glasses can be decomposed into three layers: a layer for glasses, a
layer for the beard and a layer for other permanent facial features. While modeling such a face with a linear
subspace model could be very difficult, layer separation allows for easy modeling and modification of some certain
structures while leaving others unchanged. In this paper, we present a method for automatic layer extraction and its
applications to face synthesis and editing. Layers are automatically extracted by utilizing the differences between
subspaces and modeled separately. We show that our method can be used for tasks such beard removal (virtual
shaving), beard synthesis, and beard transfer, among others.
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