摘要
针对在应用数码相机采集大田作物叶片图像时出现的植物叶片图像倾斜和几何失真等问题,提出了基于双线性映射的植物叶片校正算法。测量有效性不受叶片大小、形状差异和叶片图像中叶片周边白色背景的影响。实验验证该方法校正叶片图像,精度可达99%以上,是进一步提取植物叶面特征的基础。
This paper advances the correction algorithm of lamina based on bilinear mapping, which aiming at the problems of image incline and geometric distortion, when collecting field lamina images using digital camera. The validity of measurement has not been influenced by size, figure differentia and white background of laminae. The experiment shows that the accuracy can reach to 99% when using this method to correct the lamina image, which is the basement of extracting the lamina features.
出处
《黑龙江八一农垦大学学报》
2008年第4期72-75,共4页
journal of heilongjiang bayi agricultural university
基金
黑龙江农垦总局"十五"重点科技攻关项目(HNKXV-12-13)。
关键词
叶片
双线性映射
图像校正
lamina
bilinear mapping
image correction
