In addition to personally identifying information (PII) commonly found in metadata of medical images, superficial anatomical features contained in 3D brain MR images pose a unique challenge to medical privacy, and this place a serious obstacle for data sharing in large-scale collaborative efforts. A fully automated method for concealing patient identity in 3D multi-contrast brain MR images is presented. The proposed method is training-free and can be applied to automatically conceal patient’s identity information in the 3D brain MR images, which makes this approach particularly useful for handling brain MR images in large neuroimaging databases.
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