activity
20172021
most citedThree-dimensional Generative Adversarial Nets for Unsupervised Metal Artifact Reduction

49 citations · 149 across the 10 of their papers we have counts for

collaborators

10 papers

eess.IV2021★ 36 cited

IGCN: Image-to-graph Convolutional Network for 2D/3D Deformable Registration

Megumi Nakao, Mitsuhiro Nakamura, Tetsuya Matsuda

Organ shape reconstruction based on a single-projection image during treatment has wide clinical scope, e.g., in image-guided radiotherapy and surgical guidance. We propose an imag…

eess.IV2021★ 1 cited

Image-to-Graph Convolutional Network for Deformable Shape Reconstruction from a Single Projection Image

M. Nakao, F. Tong, M. Nakamura +1

Shape reconstruction of deformable organs from two-dimensional X-ray images is a key technology for image-guided intervention. In this paper, we propose an image-to-graph convoluti…

cs.CV2021★ 5 cited

Kernel-based framework to estimate deformations of pneumothorax lung using relative position of anatomical landmarks

Utako Yamamoto, Megumi Nakao, Masayuki Ohzeki +3

In video-assisted thoracoscopic surgeries, successful procedures of nodule resection are highly dependent on the precise estimation of lung deformation between the inflated lung in…

cs.CG2020★ 1 cited

Statistical modeling of pneumothorax deformation by mapping CT and cone-beam CT images

Megumi Nakao, Hinako Maekawa, Katsutaka Mineura +3

In this study, we introduce statistical modeling methods for pneumothorax deformation using paired cone-beam computed tomography (CT) images. We designed a deformable mesh registra…

math.NA2020★ 1 cited

Analysis of Heterogeneity of Pneumothorax-associated Deformation using Model-based Registration

Megumi Nakao, Kotaro Kobayashi, Junko Tokuno +3

Recent advances in imaging techniques have enabled us to visualize lung tumors or nodules in early-stage cancer. However, the positions of nodules can change because of intraoperat…

physics.med-ph2020★ 3 cited

Two-dimensional Ultrasound Imaging Technique based on Neural Network using Acoustic Simulation

Yoshiki Nagatani, Shigeaki Okumura, Shuqiong Wu +1

The two-dimensional (2D) ultrasound imaging is widely used in several fields. In this study, the potential of two-dimensional ultrasound imaging technique based on machine learning…