兰州交通大学电子与信息工程学院,甘肃兰州 730000
[ "王小鹏 男,1969年4月生,甘肃兰州人.兰州交通大学电子与信息工程学院教授和博士生导师.主要研究方向为图像处理与分析、智能化信息处理等. E-mail: Wangxiaopeng@mail.lzjtu.cn" ]
[ "王海洲 男,1998年8月生,甘肃临夏人.兰州交通大学电子与信息工程学院硕士研究生.主要研究方向为图像处理、模式识别. E-mail: 361411775@qq.com" ]
[ "陈浩然 男,2000年7月生,北京人.兰州交通大学电子与信息工程学院硕士研究生.主要研究方向为图像处理. E-mail: saika707@outlook.com" ]
收稿:2024-12-09,
修回:2025-04-10,
纸质出版:2025-05-25
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王小鹏, 王海洲, 陈浩然. 区域和邻域级信息相结合的加强型PFCM含噪图像分割算法[J]. 电子学报, 2025, 53(05): 1584-1595.
WANG Xiao-peng, WANG Hai-zhou, CHEN Hao-ran. Enhanced PFCM Algorithm for Noisy Image Segmentation Combining Regional and Neighborhood-Level Information[J]. Acta Electronica Sinica, 2025, 53(05): 1584-1595.
王小鹏, 王海洲, 陈浩然. 区域和邻域级信息相结合的加强型PFCM含噪图像分割算法[J]. 电子学报, 2025, 53(05): 1584-1595. DOI:10.12263/DZXB.20241104
WANG Xiao-peng, WANG Hai-zhou, CHEN Hao-ran. Enhanced PFCM Algorithm for Noisy Image Segmentation Combining Regional and Neighborhood-Level Information[J]. Acta Electronica Sinica, 2025, 53(05): 1584-1595. DOI:10.12263/DZXB.20241104
针对可能性模糊C均值聚类(Possibilistic Fuzzy C-Means,PFCM)算法存在重合聚类,未考虑图像空间信息,对噪声鲁棒性差的问题,提出一种区域和邻域级信息相结合的加强型可能性模糊C均值算法.首先,设计了一种新的函数结构抑制重合聚类,该方法通过引入非线性衰减特性,更有效地调节不同隶属度点对不同簇的贡献,降低了簇之间的重合度;其次,通过局部方差约束,将图像区域级信息和其邻域级信息结合,充分利用图像的空间信息,提高对噪声的鲁棒性;最后,将核度量应用于聚类不相似度量,根据图像自有信息自适应地确定核函数带宽参数,进一步提高算法的灵活性.含噪合成图像、脑MRI(Magnetic Resonance Imaging)图像和含噪彩色图像分割实验表明,本文算法在分割结果视觉效果和性能评价指标均优于其他几种比较算法.
To address the issues of overlapping clusters
lack of spatial information consideration
and poor noise robustness in the possibilistic fuzzy C-Means (PFCM) algorithm
an enhanced PFCM algorithm integrating regional and neighborhood-level information is proposed. First
a novel function structure is designed to suppress overlapping clusters by introducing nonlinear attenuation characteristics
which effectively adjusts the contribution of different membership levels to various clusters
thereby reducing cluster overlap. Second
by incorporating local variance constraints
the algorithm integrates regional and neighborhood-level image information
fully utilizing spatial information to improve noise robustness. Finally
kernel metric is applied to the clustering dissimilarity measure
where the kernel bandwidth parameter is adaptively determined based on the intrinsic properties of the image
further enhancing algorithm flexibility. Segmentation experiments on noisy synthetic images
brain magnetic resonance imaging (MRI)
and noisy color images demonstrate that the proposed algorithm achieves superior visual segmentation results and outperforms existing comparison algorithms in performance evaluation metrics.
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