计算机工程与设计
計算機工程與設計
계산궤공정여설계
COMPUTER ENGINEERING AND DESIGN
2010年
9期
1971-1975
,共5页
李娅娅%李志洁%郑海旭%王存睿
李婭婭%李誌潔%鄭海旭%王存睿
리아아%리지길%정해욱%왕존예
图像处理%边缘检测%模板%卷积%非极大抑制
圖像處理%邊緣檢測%模闆%捲積%非極大抑製
도상처리%변연검측%모판%권적%비겁대억제
image processing%edge detection%template%convolution%non-maximum suppression
边缘检测的目的是标识数字图像中灰度变化明显的点,而导函数正好能反映图像灰度变化的显著程度,因而许多方法利用导数来检测边缘.针对典型的基于导数的边缘检测算法Sobel、Log和Canny,在分析其算法思想和流程的基础上,利用MATLAB对这3种算法进行了仿真实验,分析了各自的性能和算法特点,比较边缘检测效果并给出了各自的适用范围.
邊緣檢測的目的是標識數字圖像中灰度變化明顯的點,而導函數正好能反映圖像灰度變化的顯著程度,因而許多方法利用導數來檢測邊緣.針對典型的基于導數的邊緣檢測算法Sobel、Log和Canny,在分析其算法思想和流程的基礎上,利用MATLAB對這3種算法進行瞭倣真實驗,分析瞭各自的性能和算法特點,比較邊緣檢測效果併給齣瞭各自的適用範圍.
변연검측적목적시표식수자도상중회도변화명현적점,이도함수정호능반영도상회도변화적현저정도,인이허다방법이용도수래검측변연.침대전형적기우도수적변연검측산법Sobel、Log화Canny,재분석기산법사상화류정적기출상,이용MATLAB대저3충산법진행료방진실험,분석료각자적성능화산법특점,비교변연검측효과병급출료각자적괄용범위.
The purpose of edge detection is to mark the image points that change significantly in intensity.Since derivative could reflect the significant degree of image intensity changes,derivative is used to solve the problem of edge detection in many researched.Three typical edge detection algorithms based on derivatives(Sobel,Log,Canny)are analyzed thoroughly in aspects of idea and flow.Experiments are performed using MATLAB to evaluate these edge detection algorithms.The performance results are analyzed and compared with the scope of application respectively.
