Three-dimensional exaggerated face generation method based on single irony portrait

Abstract

The invention discloses a three-dimensional exaggerated face generation method based on a single irony portrait; the method comprises the following steps: obtaining a deformation expression set of a normal face data set through expression face data and template face deformation on the normal face data set; combining a computer interactive mode with a normal face characteristic point detection model so as to extract a characteristic point coordinate set of an input irony portrait; according to a preset corresponding relation between the characteristic point coordinate set and a three-dimensional exaggerated face characteristic point coordinate set, combining a three-dimension to two-dimension projection process, and using characteristic points and deformation expression common constraints to optimize a three-dimensional exaggerated face complying with the image characteristic point information and having face properties. The method can prevent a tedious three-dimensional exaggerated face data set creating process; assisted by a new face expression, the method can effectively obtain a three-dimensional exaggerated face model only through a few characteristic point corrections.

Description

technical field [0001] The invention relates to the fields of image processing technology and three-dimensional modeling technology, in particular to a method for generating a three-dimensional exaggerated human face based on a single satirical portrait. Background technique [0002] As a form of artistic expression relying on images as carriers, satirical portraits create a visual image with a humorous effect by exaggerating the unique characteristics or characteristics of the depicted characters. This interesting expression technique is widely used in cartoons, social media and other scenarios. This form of artistic expression has also been proven to be effective in improving face recognition in the fields of cognitive psychology and computer vision. Due to its potential research prospects and wide range of uses, topics related to satirical portraits are attracting more and more researchers and enterprises to join in. [0003] In the past, there were two main methods for...

AI Technical Summary

Problems solved by technology

If this part of the data is generated by manual modeling, it will take a lot of people and time; if it is automatically generated by the deformation algorithm, the style will be single, and the parameterized space expression ability obtained after dimensionality reduction will be limited.

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