Three-dimensional virtual human head image generation method, and method and device of human head image motion tracking

Abstract

The invention discloses a three-dimensional virtual human head image generation method, and a method and a device of human head image motion tracking, and belongs to the field of image processing. The three-dimensional virtual human head image generation method comprises collecting a human face picture, obtaining feature points on the human face picture, wherein the feature points are used for showing a left eyebrow, a right eyebrow, a left eye, a right eye, a nose, the edge contour of a human face and a forehead portion of the human face; obtaining a personalized three-dimensional human face model according to the obtained feature points and a preset standard human face model; and carrying out texture mapping to the personalized three-dimensional human face model, and generating a three-dimensional virtual human head image. Due to the facts that the feature points which are used for characterizing feature information of the human face on a single human face picture are obtained, and are applied in the three-dimensional human face model, and the personalized three-dimensional human face model which includes the forehead portion and is good in third dimension is generated, the three-dimensional virtual human head image generation method, and the method and the device of the human head image motion tracking have the advantages of being in no need of manual marking of the feature points, greatly reducing manual processing amount, being applicable to modeling occasions which require for simpleness and speediness, and being capable of enabling the third dimension of the generated three-dimensional human head image to be greatly improved and to be high in accuracy due to the fact that the feature points include feature points of the forehead portion of the human face.

Description

technical field [0001] The invention relates to the field of image processing, in particular to a method for generating a three-dimensional virtual human head, a method and a device for tracking motion of a human head. Background technique [0002] Face is an important channel for human communication, the most direct carrier of human emotion expression, and an important part of individual characteristics. With the rapid development of computer technology, people try to display real face models on computers. Since Parke established the first face model in the 1970s, face modeling technology has received extensive attention and research. [0003] Realistic face modeling is to reproduce the facial features of people in the computer. Starting from human visual requirements, we always hope that computer-generated faces can be as realistic as possible. However, due to the limitations of models and computer capabilities, the modeling results still have a large gap with people's re...

AI Technical Summary

Problems solved by technology

[0006] In the method provided in the prior art, each test image needs to manually mark the feature points, the amount of manual processing is too large, and it cannot be applied to simple and fast modeling occasions

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