Fig. 1From: Postreconstruction filtering of 3D PET images by using weighted higher-order singular value decompositionAn example denoised image resulting from the straight usage of HOSVD-S in 3D PET image. We given the zoom of a local region of interest in b, as a contrast, we also shown the zoom of corresponding regions in original image a and the denoised image with method proposed in this study c Back to article page