期刊
ALEXANDRIA ENGINEERING JOURNAL
卷 61, 期 12, 页码 12353-12365出版社
ELSEVIER
DOI: 10.1016/j.aej.2022.06.018
关键词
Image registration; Image segmentation; Linear curvature (LC); Bhattacharyya (BC) distance; Mutual information (MI); Dice similarity coefficient (DSC); Hausdorff distance (HD); Jaccard similarity coefficient (JSC)
Joint image segmentation and registration is crucial in image preprocessing, but it is challenging due to sensitivity to noise. This study proposes an improved joint model using the Bhattacharyya distance measure to enhance noise robustness compared to existing models. The proposed model achieves satisfactory results in medical and synthetic noisy images, outperforming the existing model based on the Bhattacharyya distance measure.
Joint image segmentation and registration of multi-modality images is a crucial step in the field of image prepossessing. The sensitivity of joint segmentation and registration models to noise is a significant challenge. During the registration process of multi-modal images, the similarity measure plays a vital role in measuring the results as a standard. Accordingly, an improved joint model for registering and segmenting multi-modality images is proposed, by utilising the Bhattacharyya distance measure to achieve improved noise robustness of the proposed model as compared to the existing model using the mutual information metric. The proposed model is applied to various medical and synthetic noisy images of multiple modalities. Moreover, the dataset images used in this study have been obtained from well-known, freely available BRATS 2015 and CHAOS datasets, where the proposed model produces satisfactory results as compared to the existing model. Experimental results show that the proposed model outperforms the existing model in terms of the Bhattacharyya distance measure in noisy images. Statistical analysis and comparison are performed through the relative reduction of the new distance measure, Dice similarity coefficient, Jaccard similarity coefficient and Hausdorff distance. (C) 2022 THE AUTHORS. Published by Elsevier BV on behalf of Faculty of Engineering, Alexandria University
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