Measurement of new lesions in longitudinal images is crucial in the evaluation of MS but is laborious and time-consuming. In this study, wWe investigate the effect of subtraction images between two time point FLAIR images on new MS lesion segmentation in longitudinal FLAIR images. The results showed that our method with combination of longitudinal FLAIR images and their subtraction images together helps to improve the accuracy of segmentation of new MS lesion.
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Kang et al. (2024) studied this question.
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