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Facial animation synthesizing method

A technology for animation synthesis and face, applied in the field of image processing, can solve the problems of inability to meet the personalized consumption needs of consumers, high cost, low output, etc., to achieve simple and fast results

Active Publication Date: 2014-08-06
SUZHOU INST OF NANO TECH & NANO BIONICS CHINESE ACEDEMY OF SCI
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AI Technical Summary

Problems solved by technology

[0003] Although personalized cartoon animation has a good application prospect, so far almost all personalized cartoon animations are hand-created by animators. The output is low and the cost is high, which cannot meet the growing demand of consumers for personalized consumption.

Method used

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Embodiment Construction

[0034] The present invention will be further described below in conjunction with the accompanying drawings.

[0035] see figure 1 , the face animation synthesis method of the embodiment of the present invention comprises the following steps:

[0036] Step 01: Obtain the frontal image of the human face to be synthesized with animation. In this embodiment, the frontal image of the human face is obtained by a digital camera.

[0037] Step 02, perform 3D face model estimation based on the face frontal image.

[0038] Specifically, first construct a training set containing m 3D face shape models {s 1 ,s 2 ,...,s m}, let the 3D model s j (1≤j≤m) and the feature point p on the face image t =(u t ,v t ) T (1≤t≤k, k is the number of feature points on the face image) the corresponding vertex is v tj . Find the optimal three-dimensional point by optimizing the following basic functions so that the two-dimensional coordinates of its vertices and p t closest.

[0039] f(v)=arg...

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Abstract

A facial animation synthesizing method comprises the step of obtaining a facial front image on which the animation synthesis needs to be carried out, the step of carrying out three-dimensional human face model estimation based on the front image of the human face, the step of carrying out the front human face carton effect synthesis based on the facial feature analysis to obtain a front facial carton effect composite graph, the step of carrying out the multi-posture facial carton effect synthesis based on the human face three-dimensional model estimation and the front facial carton effect composite graph, the step of embedding the synthesized multi-posture facial carton effect synthesis in the preset animation video material to obtain the animation video of the human face cartoon effect. According to the facial animation synthesizing method, the traditional artificial animation creation of the facial carton effect is avoided, achieving is easy and fast, and different individuation requirements of different users can be met.

Description

technical field [0001] The invention relates to the field of image processing, in particular to a method for synthesizing human face animation with a cartoon effect. Background technique [0002] With the vigorous development of multimedia carriers such as mobile phones and the Internet, the digital cartoon and animation industry has grown rapidly and has gradually become a mainstream cultural product in the information age. [0003] Although personalized cartoon animation has a good application prospect, so far almost all personalized cartoon animations are hand-created by animators. The output is low and the cost is high, which cannot meet the growing demand of consumers for personalized consumption. Contents of the invention [0004] In view of this, it is necessary to provide a fast and personalized face animation synthesis method. [0005] A method for synthesizing human face animation, comprising the steps of: [0006] Obtain the frontal image of the face to be syn...

Claims

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Application Information

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IPC IPC(8): G06T13/40G06T17/00G06T15/04
Inventor 沈晔湖
Owner SUZHOU INST OF NANO TECH & NANO BIONICS CHINESE ACEDEMY OF SCI
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