In this work, with the aim to reduce radiation during data acquisition, we propose a penalized weighted least-squares (PWLS) scheme to retain the image quality ...
ABSTRACT. High radiation dose during x-ray computed tomography (CT) examinations can increase the risk of cancer and has become major concerns to patient.
Jul 20, 2024 · A comparison study of low-dose CT image reconstruction strategies by adapted weighted total variation regularization. Yan Liu, Jianhua Ma, ...
Apr 27, 2022 · In this paper, we propose a sparse angle CBCT reconstruction algorithm based on Guided Image FilteringGIF, which combines the classic Simultaneous Algebra ...
Jan 5, 2017 · In this paper, we proposed a regularization model based on second-order total variation for CT image reconstruction, which could eliminate the ' ...
The proposed reconstruction model is designed mainly for low-dose X-ray computed tomography without the aid of previously scanned CT image database.
Edge-guided second-order total generalized variation for Gaussian ...
www.nature.com › ... › articles
Oct 1, 2020 · In this paper, we present an accurate denoising method for depth map. Our method uses a weighted second-order total generalized variational model for Gaussian ...
Improved total variation-based CT image reconstruction applied to clinical data. ... A generalized Gaussian image model for edge-preserving MAP estimation.
Second order total generalized variation for low-dose computed tomography image reconstruction. 2014 IEEE 11th International Symposium on Biomedical Imaging ...
Recently, researches in the field of image processing suggested that the high order total variation (HOTV) can effectively suppress staircase effect. Whereas ...