Spectral2Spectral: Image-spectral Similarity Assisted Spectral CT Deep Reconstruction without Reference

no code implementations • 3 Oct 2022 • Xiaodong Guo, Longhui Li, Dingyue Chang, Peng He, Peng Feng, Hengyong Yu, Weiwen Wu

Spectral computed tomography based on a photon-counting detector (PCD) attracts more and more attentions since it has the capability to provide more accurate identification and quantitative analysis for biomedical materials.

Suppression of Correlated Noise with Similarity-based Unsupervised Deep Learning

1 code implementation • 6 Nov 2020 • Chuang Niu, Mengzhou Li, Fenglei Fan, Weiwen Wu, Xiaodong Guo, Qing Lyu, Ge Wang

Limited by the independent noise assumption, current unsupervised denoising methods cannot process correlated noises as in CT images.

Computed Tomography (CT) Image Denoising