非真实感动画模拟

Research on Non-Photorealistic Animation Simulation

由于非真实感动画一般不需要精确的三维模型和光照模型,为了让用户方便地生成简单的非真实感动画,于是将定向滤波引入到非真实感动画中,利用一对正交的定向滤波与图片进行卷积运算,产生一对奇偶相位图像,并通过不断改变其相位得到一系列运动的图像,使图像内的物体在实际位置并不发生改变的情况下,产生视觉上的动画效果,即非真实感动画。

More attention is paid to non-photorealistic animation because of its unique expression style, but a great deal of time and skills are required. Generally, accurate 3D models and illumination models are not requested, so, some researchers aim to give anyone the ability to create NPA easily. In this paper, steerable filters are introduced to creating NPA： A pair of even and odd phase images is generated by convoluting a quadrature pair of steerable filters with a source image, and then through continuously varying their phase over time, it gives the vision of an object in motion without changing its position. Animation is easily created in this way.