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Action-capture-data-driving-based two-dimensional cartoon expression animation production method

A technology for data capture and animation production, which is applied in animation production, image data processing, instruments, etc., and can solve the problems of motion data and large amount of manual intervention of face models

Active Publication Date: 2012-06-20
杭州碧游信息技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the fusion of motion data and face models still requires a lot of manual intervention

Method used

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  • Action-capture-data-driving-based two-dimensional cartoon expression animation production method
  • Action-capture-data-driving-based two-dimensional cartoon expression animation production method
  • Action-capture-data-driving-based two-dimensional cartoon expression animation production method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0091] figure 1 It is a flow chart for making two-dimensional cartoon expression animation using motion capture data, and its specific implementation method is:

[0092] (1) A total of 20 mark points are used on the human face, which are located on the lower jaw, lower lip, left and right corners of the mouth, upper lip, left and right cheekbones, left and right nose wings, eyebrows, upper and lower edges of the eyes, left and right eyebrow ends, and left and right the upper part of the eyebrow, such as image 3 . Using the self-developed near-infrared optical motion capture system to capture a series of representative expression data at a frame rate of 60 frames per second and a resolution of 320X240 to obtain two-dimensional expression data, including surprise, stare, raised eyebrow, frustration, etc. Track the actor's expression feature sequence from the captured expression feature video{E n}; The operator manually marks the sequence of facial features with the actor's e...

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Abstract

The invention discloses an action-capture-data-driving-based two-dimensional cartoon expression animation production method, which comprises the following steps of: first capturing the expression data of an actor by using action capturing equipment, and marking characteristic points forming a topology structure which is the same as that formed by the data of the actor on a target cartoon face by a user at the same time; then aligning the first frame of the expression data of the actor with the characteristic points of the target cartoon face by using a shifting-ratio-based reorientation method, and mapping the expression data of the actor onto the target cartoon face according to an alignment ratio; and vectorizing the target cartoon face, and driving the deformation of the target cartoon face in a vector image form by using reoriented action capture data to achieve an animation effect. By a vectorization technology and a shifting-ratio-based reorientation technology, a cartoon expression animation with rich expressions and a high restoration degree can be obtained in the field of texture-detail-irrespective animation of unreal cartoon faces.

Description

technical field [0001] The invention relates to the field of computer animation aided design, in particular to a two-dimensional cartoon expression animation production method driven by motion capture data. Background technique [0002] In the field of cartoon animation production, how to create vivid cartoon expression animation is a problem worth discussing. It is not only difficult to ensure that the animation of cartoon expressions is vivid and vivid, but it is also a challenge to the animator's production technology, experience and workload. How to automatically or semi-automatically generate more vivid facial expressions has become a hot topic in the field of computer-aided design, and it is also a common concern of the academic and industrial circles. In fact, in the production of cartoon face animation, it is not difficult for animators to draw static two-dimensional cartoon face images, and with the use of optical motion capture systems, the acquisition of sparse t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T13/80
Inventor 肖俊王翔宇庄越挺
Owner 杭州碧游信息技术有限公司
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