Video-based virtual writing brush modeling method

Abstract

The invention discloses a video-based virtual writing brush modeling method. The video-based virtual writing brush modeling method is implemented by the steps of (1) recording a video; (2) reading thevideo; (3) extracting a writing brush point; (4) acquiring writing brush point model parameters; and (5) building a writing brush model. According to the method, through a video that a customized writing brush point with a specific color is used for writing Chinese characters, writing brush modeling parameters are extracted from video frames by utilizing an image processing technology and writingbrush modeling is realized, so that the model built by the method can well simulate the shape change of a writing brush, and the calculation speed is higher; and the method can be applied to a three-dimensional virtual drawing process, thereby enabling a creator to carry out calligraphy creation on a computer.

Description

technical field [0001] The invention belongs to the technical field of computers, and further relates to a video-based virtual brush model modeling method in the technical field of three-dimensional virtual drawing. The invention provides a digital creation tool for Chinese calligraphy through the electronization and digitization of the writing brush, which is used in the three-dimensional virtual drawing process and enables the creator to create calligraphy on the computer. Background technique [0002] The digitization of the brush is very important to realize the realistic digital calligraphy effect, and it is necessary to establish a suitable virtual brush model. Brush modeling is the basis of 3D virtual rendering. [0003] Xiamen University discloses an electronic brush in its patent document "A Method for Modeling Electronic Brush Based on Texture Learning" (application date: August 26, 2011, application number: 201110248463.6, publication number: CN 102306308A) mode...

AI Technical Summary

Problems solved by technology

The disadvantage of this method is that when using this model for calligraphy creation, it cannot fully reflect the deformation process of the brush, cannot reflect the change of the brush shape in real time, and lacks the sense of reality for calligraphy creation

The shortcomings of this method are: first, in this method, the data acquisition process of using springs to obtain feedback force in the process of establishing the brush mechanics model is complicated and the calculation amount is large

Second, the model established by this method only uses the tip of the brush as a point, and the morphological change of the brush model established is not sufficient enough to reflect the process of changing the state of the brush from point to line as the creator exerts more force.

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