基于椭圆变形域的图像局部变形-《计算机技术与发展》

文章信息/Info

Author(s):: XIONG Kai; SHENG Jian-ping; WEI Kai; ZHANG Guan-hua; School of Electromechanical Engineering and Automation, Shanghai University

Keywords:: image warping ; local warping; elliptical warping area; overlap mapping

摘要:: 图像局部变形技术是图像处理领域的一个分支，它只改变图像中指定区域范围内的特征而保持其他区域不发生变化。文中在径向基函数的基础上，提出了一种基于椭圆变形域的图像局部变形的算法，并讨论了函数中关键参数的选，取对变形效果的影响；通过对变形区域的影响半径R和影响系数S的设置，控制图像局部变形的区域，从而解决了图像变形过程中产生的重叠映射；最后，介绍了图像局部变形的算法流程，利用VC＋＋6．0和OpenCV搭建实验平台对算法进行了验证，实现了交互模式下的图像局部变形

Abstract:: Local image warping technology is a branch of image processing. It only changes the image features in a specified area and maintain other regions. In this paper,a local elliptical area image warping algorithm based on radial basis function is proposed,and a de- tailed discussion is given on the key parameters of this algorithm. Then,the local warping area is controlled by the setting of influential mdins R and influential coefficient s to solve the overlap mapping in the image warping process. Finally, the algorithmic process of local image warping is introduced. An experiment platform is built to validate the algorithm by VC＋＋6.0 and OpenCV,achieved local image warping based on interactive mode