A comparison study between CNN-based deformed planning CT and CycleGAN-based synthetic CT methods for improving iCBCT image quality

B Yang, Y Chang, Y Liang, Z Wang, X Pei… - Frontiers in …, 2022 - frontiersin.org
sCT generation, we trained the 2D CycleGAN using the deformation-registered CT-iCBCT
slicers and generated the sCT with corresponding iCBCT image … of each layer of the image, …

Synthetic CT generation from CBCT images via unsupervised deep learning

L Chen, X Liang, C Shen, D Nguyen… - … in Medicine & Biology, 2021 - iopscience.iop.org
… the resulting sCT with the original CBCT using the deformedThrough the last two convolutional
layers with kernel size of … , CycleGAN USsCT and proposed USsCT images from four …

Synthetic CT generation from weakly paired MR images using cycle-consistent GAN for MR-guided radiotherapy

SK Kang, HJ An, H Jin, J Kim, EK Chie, JM Park… - Biomedical engineering …, 2021 - Springer
… MR images using deformable registration, and the deformed CT (dCT) … The 2.5D CycleGAN
was constructed to generate sCT from … The weights and biases in the layers were trained by …

CBCT‐based synthetic CT generation using deep‐attention cycleGAN for pancreatic adaptive radiotherapy

Y Liu, Y Lei, T Wang, Y Fu, X Tang, WJ Curran… - Medical …, 2020 - Wiley Online Library
… model parameters in shallower layers to be updated mostly … , we deformed the planning
CT to the 5 fraction CBCTs. The … attention cycleGAN method for CBCT to sCT generation. The …

Improving Deformable Image Registration Accuracy through a Hybrid Similarity Metric and CycleGAN Based Auto-Segmentation

KD Shah, JA Shackleford, N Kandasamy… - arXiv preprint arXiv …, 2024 - arxiv.org
layers to preserve spatial information. Our model was adapted to segment volumetric data
(3D … This study demonstrated that the use of CycleGAN-generated sCT images to enhance …

Dosimetric comparison of deformable image registration and synthetic CT generation based on CBCT images for organs at risk in cervical cancer radiotherapy

Y Chang, Y Liang, B Yang, J Qiu, X Pei, XG Xu - Radiation Oncology, 2023 - Springer
sCT generated by CycleGAN showed better structural consistency with CBCT. On the other
hand, the sCT was obtained from … at both ends could not contain complete images of the layer

Evaluation of a cycle-generative adversarial network-based cone-beam CT to synthetic CT conversion algorithm for adaptive radiation therapy

M Eckl, L Hoppen, GR Sarria, J Boda-Heggemann… - Physica Medica, 2020 - Elsevier
… were compared to deformed structures from the planning CT (… network (cycle-GAN)-based
CBCT-to-sCT conversion algorithm for … Thirdly, transform layers were added into the original …

Improving cone-beam CT quality using a cycle-residual connection with a dilated convolution-consistent generative adversarial network

L Deng, M Zhang, J Wang, S Huang… - … in Medicine & Biology, 2022 - iopscience.iop.org
… acquired using deformable image registration, which uses … All convolutional layers use
instance normalization and the … is the HU value of sCT generated by Cycle-GAN, and the green …

Transformer CycleGAN with uncertainty estimation for CBCT based synthetic CT in adaptive radiotherapy

B Rusanov, GM Hassan, M Reynolds… - Physics in Medicine …, 2024 - iopscience.iop.org
… However, the output layer used the Tanh nonlinearity to scale image intensity … CycleGAN-best
sCT images, both image sets were deformably registered to the pCT using the Deformable

Generating synthetic CT from low-dose cone-beam CT by using generative adversarial networks for adaptive radiotherapy

L Gao, K Xie, X Wu, Z Lu, C Li, J Sun, T Lin, J Sui… - Radiation Oncology, 2021 - Springer
… last layer of the content mask was a 7 × 7 convolution layer … copied to deformed CT images,
CBCT and sCT images in the … The image quality indices of sCT generated from cycleGAN