Method for adjusting face plumpness in image

Abstract

The invention discloses a method for adjusting face plumpness in an image. The method comprises the following steps of: establishing a three-dimensional face model; acquiring 54 feature points of a face from the established three-dimensional face model; adjusting the positions of the acquired 54 feature points according to a linear regression equation of the soft tissue thickness of the face feature points about age and weight and plumpness adjusting parameters input by a user; establishing a full rank linear system by adopting a Laplacian deformation algorithm and using the position-adjusted 54 feature points serving as a constrained point set and the face apex in the three-dimensional face model, and solving a linear equation set to obtain an adjusted three-dimensional face model; performing triangular mesh parameterization on the original image; and changing the position of a triangular mesh apex of the original image under the drive of the adjusted three-dimensional face model, and performing texture mapping to obtain an adjusted image. By adopting the Laplacian deformation technology for keeping detail features, the face plumpness is adjusted, and most detail feature information on the face is kept at the same time.

Description

technical field [0001] The invention relates to the field of computer graphics and image processing, in particular to a method for adjusting fat and thin faces in an image. Background technique [0002] There is no doubt that the human face plays an irreplaceable role in the first impression and conveying emotions. In social activities between people, people's appearance plays a very critical role. Several studies have shown that people care a lot about how good their faces are. At the same time, the fatness and thinness of the human face are associated with beauty. From the point of view of traditional aesthetics, the average image of a human face is the result of diversity and unity, so an image that is too fat or too thin is considered disharmonious and unbeautiful. [0003] Most people hope that the face they present to others can be more beautiful and attractive. For example, girls use makeup to make themselves more beautiful. Due to the rapid development of camera...

AI Technical Summary

Problems solved by technology

However, this algorithm requires that the face can only be a frontal face, and the application occasions are very limited.

At the same time, because the changing area is too single, it cannot accurately simulate the effect of getting fatter and thinner

Images