Deep and Transfer Learning based methods for Left Ventricle segmentation from cardiac MRI images to identify cardiovascular ailments

Research Square (Research Square)(2023)

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摘要
Abstract In order to diagnose cardiovascular disease (CVD) in its early stages, the position of the Left Ventricle (LV) and relevant parameters associated with it plays significant role in the medical field. The timely diagnosis of CVDs works as a lifesaver in many cases. In the earlier days, the position and functioning of the LV was assessed by the error-prone manual methods. Nowadays, the newer and smart technologies have allowed the medical practitioners to make use of auto-segmentation methods for diagnosis of heart problems in early stages. It is difficult to assess the functioning of the LV due to some listed reasons a) a bigger span and changing the size of LV in MRI scanning , b) Varied myocardial and blood-pool fragments, c) Similarity in shape between the LV and other body organs and d) Noise in images. Hence assessing the LV for the accurate identification of echocardiographic parameters still remains the challenge for diagnosing CVDs. Many researchers deploy methods based on Machine learning (ML) and deep learning (DL) to get accurate results for LV segmentation (LVS0. It helps in segmenting the LV and revealing the clearer parts of the image for better classification and diagnosis. In this research study, three methods are deployed for the segmentation of LV images namely CNN based U-Net Model , VGG 16 and ResNet 152. These methods have been implemented for the segmentation of the images obtained from MRI scan to explore the position of left ventricle and problems in LV which leads to other lethal heart ailments. These approaches help in the identification of cardiac parameters related to CVDs. The proposed algorithms are compared using standard performance metrics to assess the output and viability of the projected techniques as discussed in the result section of this article. The Blockchain database has been considered as the source of input images and this research is applicable universally due to its nature of considering latest technologies to identify CVDs. The results of DL algorithms (DLA) reveal that the CNN-based U-Net Model outperforms the other two methods (VGG 16 and ResNet 152) for accurate identification of CVDs from the LV segmentation techniques.
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关键词
cardiac mri images,left ventricle segmentation,transfer learning
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