周期性动态图像的傅里叶表达、渲染及应用

doi:10.11772/j.issn.1001-9081.2015.08.2280

计算机应用 ›› 2015, Vol. 35 ›› Issue (8): 2280-2284.DOI: 10.11772/j.issn.1001-9081.2015.08.2280

周期性动态图像的傅里叶表达、渲染及应用

律睿慜¹, 陈伟¹, 孟磊¹, 陈丽芳¹, 吴昊天¹, 李静远²

1. 江南大学数字媒体学院, 江苏无锡 214122;
2. 成都航空职业技术学院计算机工程系, 成都 610100

收稿日期:2015-03-20 修回日期:2015-05-14 出版日期:2015-08-10 发布日期:2015-08-14
通讯作者: 律睿慜(1982-),男,河北深州人,讲师,博士,CCF会员,主要研究方向:数字绘画,magicbrush.lv@gmail.com
作者简介:陈伟(1986-),男,江苏宝应人,讲师,博士,CCF会员,主要研究方向:计算机图形学、图像处理; 孟磊(1984-),男,山东青州人,讲师,硕士,主要研究方向:数字展示设计; 陈丽芳(1973-),女,福建莆田人,副教授,硕士,CCF会员,主要研究方向:数字图像处理; 吴昊天(1980-),男,江苏沭阳人,副教授,博士,CCF会员,主要研究方向:多媒体信号处理、网络媒体安全; 李静远(1981-),男,四川成都人,讲师,硕士研究生,主要研究方向:图形信息设计、产品设计。
基金资助:
江苏省自然科学基金资助项目(BK20130157);中央高校基本科研业务费专项资金资助项目(JSURP1048);国家级大学生创新创业训练计划项目(201410295058)。

Fourier representation, rendering techniques and applications of periodic dynamic images

LYU Ruimin¹, CHEN Wei¹, MENG Lei¹, CHEN Lifang¹, WU Haotian¹, LI Jingyuan²

1. School of Digital Media, Jiangnan University, Wuxi Jiangsu 214122, China;
2. Department of Computer Engineering, Chengdu Aeronautic Polytechnic, Chengdu Sichuan 610100, China

Received:2015-03-20 Revised:2015-05-14 Online:2015-08-10 Published:2015-08-14

摘要/Abstract

摘要：

为了生成新颖的艺术效果,提出了周期性动态图像模型,其每个像素都是一个时域周期函数。首先,提出了周期性动态图像的傅里叶表达,具体是将图像中每个像素对应的周期函数以一系列傅里叶系数来表达,并在实时运行中以傅里叶级数求和的结果作为每个像素的动态输出。其次,提出了三种渲染风格,使得图像的动态输出以不同的方式渲染显示。这三种渲染风格演示了三种应用,包括动态数字绘画、动态图像扭曲特效和动态对白气泡。最后,构建了原型绘画系统,并进行了有关艺术效果的心理评价实验,结果显示其生成的视觉效果新颖而多样化,且易于实现笔式交互编辑。这种图像模型可作为一种新型的艺术媒介。

关键词: 数字艺术, 图像表达, 周期函数, 傅里叶合成, 动态图像, 动画

Abstract:

In order to create novel artistic effects, a period-dynamic-image model was proposed, in which each element is a periodic function. Instead of using an array of color pixels to represent a digital image, a Fourier model was used to represent a periodic dynamic image as an array of functional pixels, and the output of each pixel was computed by a Fourier synthesis process. Then three applications with three rendering styles were put forward, including dynamic painting, dynamic distortion effects and dynamic speech balloons, to visually display the periodic dynamic images. A prototype system was constructed and a series of experiments were performed. The results demonstrate that the proposed method can effectively explore the novel artistic effects of periodic dynamic images, and it can be used as a new art media.

Key words: digital art, image representation, periodic function, Fourier synthesis, dynamic image, animation

中图分类号:

TP317.4

律睿慜, 陈伟, 孟磊, 陈丽芳, 吴昊天, 李静远. 周期性动态图像的傅里叶表达、渲染及应用[J]. 计算机应用, 2015, 35(8): 2280-2284.

LYU Ruimin, CHEN Wei, MENG Lei, CHEN Lifang, WU Haotian, LI Jingyuan. Fourier representation, rendering techniques and applications of periodic dynamic images[J]. Journal of Computer Applications, 2015, 35(8): 2280-2284.

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周期性动态图像的傅里叶表达、渲染及应用

Fourier representation, rendering techniques and applications of periodic dynamic images

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