The Perspective Face Shape Ambiguity | SpringerLink

نوشته شده در موضوع خرید اینترنتی در ۱۴ شهریور ۱۳۹۶

Abstract

When a face is noticed underneath viewpoint projection, a figure (i.e. a 2D position of features) changes dramatically as a stretch between face and camera varies. This causes estimable movement in coming that is poignant adequate to interrupt tellurian approval of unknown faces. However, a face noticed during any stretch is still viewed as healthy and humans are bad during interpreting a subject-camera stretch given usually a face image. We uncover that viewpoint observation of faces leads to an ambiguity. Namely, that celebrated configurational information (position of projected vertices) and shading can be explained by a continual category of probable faces. To denote a ambiguity, we introduce a novel process for well wise a 3D morphable indication to 2D zenith positions when a subject-camera stretch is known. By varying this distance, we obtain a subspace of faces, all of that are unchanging with a celebrated data. We additionally uncover that faces within this subspace can all furnish approximately a same shading settlement around a round harmonic lighting model.

Article source: https://link.springer.com/chapter/10.1007/978-3-319-24726-7_14

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