Portrait Lighting Transfer Using a Mass Transport Approach
A novel approach to portrait relighting using a mass transport formulation, which transfers the desired illumination of one portrait onto another, resulting in high-quality relit images.
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Photographic lighting is more than just light. Lighting is a relationship between the light, the subject, and the viewer. If we want to say any more about lighting, we must talk about the subject.
Light rays from a low-contrast source strike the subject from many different angles.
direct transmission, in which light passes through a material in a predictable path.
Lighting is the language of photography.
we are primarily concerned with the brightness, color, and contrast of the light.