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1. Introduction Novel coronavirus 2019 (COVID-19) emerged and spread rapidly worldwide in late 2019 [1]. It poses a great threat and challenge to human beings around the world. To date, more than 50 million people have cumulatively been infected with COVID-19, with a death toll of upwar...
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Figure 1 The principle of the residual block. Full size image LeakyReLU29 was used as the activation function. The function of LeakyReLU is very similar to that of ReLU. The only difference is in the part where the input is less than 0. The value of the part where the input of ReLU...
applying the mask directly to clinical CT images presents challenges: (1) the fixed position of the mask and (2) the mask extending beyond the body outline. To address this, Matlab 2019a (The Mathworks, Natick, MA, USA) was employed to extract the metal boundary matrix from the mask. Th...
The increase in the accuracy of different models in the training process Full size image Table 1 shows the performance of each model on the test set. We used four evaluation metrics to measure the accuracy of the segmentation results, DICE similarity coefficient (DSC), intersection over union (...
The perfect combination of a Linac and the multifunctional imaging modality provides unique opportunities to adaptive RT [8,9,10]. However, due to the inherent limitations of physical imaging characteristics, conventional MRI cannot provide bone information and electron density information of the tissue...
<abstract abstract-type="key-points"> <sec><title>Background</title><p>Document images such as statistical reports and scientific journals are widely used in information technology. Accurate detection of table areas in document images is an essential pre
Laryngeal cancer exhibits a notable global health burden, with later-stage detection contributing to a low mortality rate. Laryngeal cancer diagnosis on throat region images is a pivotal application of computer vision (CV) and medical image diagnoses in
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