计算机科学 ›› 2019, Vol. 46 ›› Issue (4): 285-292.doi: 10.11896/j.issn.1002-137X.2019.04.045

• 图形图像与模式识别 • 上一篇    下一篇

利用HSI空间相似性的彩色形态学图像处理方法

何晓军1, 徐爱功2, 李玉2   

  1. 辽宁工程技术大学创新实践学院 辽宁 阜新 1230001
    辽宁工程技术大学测绘与地理科学学院 辽宁 阜新1230002
  • 收稿日期:2018-04-11 出版日期:2019-04-15 发布日期:2019-04-23
  • 通讯作者: 何晓军(1975-),男,博士生,副教授,主要研究方向为图像处理,E-mail:lntuhxj@163.com(通信作者)
  • 作者简介:徐爱功(1963-),男,博士,教授,博士生导师,主要研究方向为地理信息系统理论与应用研究;李 玉(1963-),男,博士,教授,博士生导师,主要研究方向为遥感数据处理理论与应用基础研究。
  • 基金资助:
    本文受国家自然科学基金(41271435),国家自然科学青年基金(41301479),辽宁省教育厅项目(LJYL012),辽宁省自然科学基金指导计划立项项目(201602357)资助。

Color Morphology Image Processing Method Using Similarity in HSI Space

HE Xiao-jun1, XU Ai-gong2, LI Yu2   

  1. College of Innovation and Practice,Liaoning Technical University,Fuxin,Liaoning 123000,China1
    School of Geomatics,Liaoning Technical University,Fuxin,Liaoning 123000,China2
  • Received:2018-04-11 Online:2019-04-15 Published:2019-04-23

摘要: 形态学方法是利用结构单元量度和提取图像中的目标形状,以达到图像分析和处理的目的,已被广泛用于二值及灰度图像处理。为了将灰度形态学扩展到彩色图像,文中在HSI彩色空间中定义了彩色相似性,并据此提出彩色形态学的图像处理方法。首先,在HSI空间中结合色调、饱和度及亮度定义了一种彩色相似性测度,以刻画彩色矢量间的相似性程度;然后,利用彩色相似性构建了一种新型彩色形态学,包括膨胀、腐蚀、开、闭等基本操作;最后,将结合彩色相似性的形态学基本操作应用于彩色图像边缘提取。通过实验对彩色形态学图像处理方法的性能进行了深入分析和研究,当参数k≤0.05时,彩色形态学操作效果较优。通过实验比对,验证了该方法对彩色目标的平滑能力及边缘提取性能,同时也说明了其图像处理的实用性和有效性。

关键词: HSI彩色空间, 边缘提取, 彩色相似性, 彩色形态学

Abstract: Morphological methods use structural units to measure and extract the target shape in the image to achieve the purpose of image analysis and processing,and these methods have been widely used in binary and grayscale image processing.In order to extend the gray morphology to the color image,this paper defined the color similarity in the HSI color space and proposed the color morphological image processing method.Firstly,the color similarity measure is defined by combining hue,saturation and intensity in the HSI space to characterize the similarity degree between color vectors.Then,the new type of color morphology is constructed by using color similarity,including the basic operations such as dilation,erosion,opening and closing.Finally,the morphological basic operations combined with color similarity are applied to extract color image edges.Experiments make in-depth analysis and research on the color morphological image processing performance,and it can be found that the color morphology operation is relatively better when the parameter k≤0.05.The experimental results show that the proposed method has the ability of smoothing the edge of the color target and the edge extraction performance.At the same time,it also shows the practicability and effectiveness of the image processing.

Key words: Color morphology, Color similarity, Edge extraction, HSI color space

中图分类号: 

  • TP391.14
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