DPA-UNet
Detail preserving attention UNet for cardiac MRI ventricle region segmentation
Abstract
Cardiac Magnetic Resonance Image (MRI) plays an integral part in examining the clinical problems of cardiac disorders. The purpose is to extract effectual information from ventricle regions in which the structure varies due to systolic and diastolic phases of the heart. The proposed methodology – Detail Preserving Attention UNet (DPA-UNet) improves the level of clinical diagnosis to identify the requisite parts of analysis precisely. Thus it provides the best possible results with appropriate accuracy. In recent years, the attention and awareness towards deep learning approaches have widely been increased, where a neural network can automatically learn image features. The latter is in direct disparity with conventional deep learning approaches. UNet with attention-based models is considered the most crucial semantic segmentation framework for Cardiac MRI. The ventricle regions can be extracted by the methodology of DPA-UNet which performs through two modules such as spatial and channel attention. Initially, the channel attention module is processed with max-pool to extract the dominant features to segment the area of concentration. Subsequently, the spatial attention module is processed with an average pool to extract the global features of the ventricular regions. The process of integration proceeds subsequently.
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