基于图像边缘识别的鸡蛋曲率测量  

Measuring of Egg's Curvature Radium Based on Edge Detection Technology

作　　者：李芳芳[1] 任奕林[2] 

机构地区：[1]华中农业大学理学院,武汉430070 [2]华中农业大学工程技术学院,武汉430070

出　　处：《湖北农业科学》2008年第5期590-593,共4页Hubei Agricultural Sciences

基　　金：华中农业大学科技创新基金资助项目(52204-578)

摘　　要：利用机器视觉获取鸡蛋截面图像,进行相应的图像处理后提取其边缘点坐标,用最小二乘法进行数据拟合,求取以三次多项式表示的曲线拟合方程,并将求得的拟合方程生成的曲线与原图像边缘进行了比较,其匹配度达99.22%,说明该曲线能反映鸡蛋的边缘曲线变化规律。通过拟合曲线的曲率图的变化,对鸡蛋的形状结构进行了分析,为进一步研究鸡蛋的特性提供了理论依据。Egg＇s images were obtained through computer vision,whose cross-section point data had been extracted after images processing. The least squares fitting method was used to analyze the cross-section data for fitting mathematical model and fitted curves were expressed by cubic. Then the curves drawn by the cubic were compared with old egg＇s images edge curves, the matching degree was 99.22%. It＇s visible that the curves could express egg＇s edge curves .According to fitted curves curvature, the geometrical characteristics of the fitted curves was summed up.

关 键 词：图像处理 边缘识别 鸡蛋 曲率半径 

分 类 号：TP391.41[自动化与计算机技术—计算机应用技术]