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- W4377089314 abstract "Due to lack of established criteria and reliable biomarkers, timely diagnosis of mild traumatic brain injury (mTBI) has remained a challenging problem. Widefield optical imaging of cortical activity in animals provides a unique opportunity to study injury-induced alterations of brain function. Motivated by the results of medical-imaging studies that employ patch-level-based approaches, this paper proposes to use two patch-based deep learning techniques for classifying brain images of mTBI and healthy Thyl-GCaMP6s transgenic mice. The first approach uses a Bag of Visual Word (BoVW) technique to represent each image as a histogram of local features derived from patches from all training data. The local features are extracted using an unsupervised convolutional autoencoder (CAE). The second approach employs a pre-trained vision transformer (ViT) model. The average accuracy for classifying mTBI and healthy brains for the CAE-BoVW and the ViT are 96.8% and 97.78%, respectively, outperforming results of a convolutional neural network (CNN) model. This work suggests that attention-based models can be utilized for the problem of classifying mTBI and healthy brain images." @default.
- W4377089314 created "2023-05-20" @default.
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- W4377089314 date "2023-04-24" @default.
- W4377089314 modified "2023-10-03" @default.
- W4377089314 title "Identifying Mild Traumatic Brain Injury via Vision Transformer and Bag of Visual Features" @default.
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- W4377089314 doi "https://doi.org/10.1109/ner52421.2023.10123771" @default.
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