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Head and neck tumors and metastatic lymph nodes are crucial for treatment planning and prognostic analysis. Accurate segmentation and quantitative analysis of these structures require pixel-level annotation, making automated segmentation…

Image and Video Processing · Electrical Eng. & Systems 2025-04-01 Litingyu Wang , Wenjun Liao , Shichuan Zhang , Guotai Wang

Registration plays an important role in medical image analysis. Deep learning-based methods have been studied for medical image registration, which leverage convolutional neural networks (CNNs) for efficiently regressing a dense deformation…

Computer Vision and Pattern Recognition · Computer Science 2022-08-16 Xiaoru Gao , GuoYan Zheng

This article presents a convolutional neural network for the automatic segmentation of brain tumors in multimodal 3D MR images based on a U-net architecture.We evaluate the use of a densely connected convolutional network encoder (DenseNet)…

Computer Vision and Pattern Recognition · Computer Science 2018-11-20 Jean Stawiaski

Medical image registration is a challenging task involving the estimation of spatial transformations to establish anatomical correspondence between pairs or groups of images. Recently, deep learning-based image registration methods have…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Xiang Chen , Yan Xia , Nishant Ravikumar , Alejandro F Frangi

Medical image registration is a critical task that estimates the spatial correspondence between pairs of images. However, current traditional and deep-learning-based methods rely on similarity measures to generate a deforming field, which…

Image and Video Processing · Electrical Eng. & Systems 2024-05-13 Qihua Dong , Hao Du , Ying Song , Yan Xu , Jing Liao

Complete removal of cancer tumors with a negative specimen margin during lumpectomy is essential in reducing breast cancer recurrence. However, 2D specimen radiography (SR), the current method used to assess intraoperative specimen margin…

Computer Vision and Pattern Recognition · Computer Science 2025-06-27 Tyler Ward , Xiaoqin Wang , Braxton McFarland , Md Atik Ahamed , Sahar Nozad , Talal Arshad , Hafsa Nebbache , Jin Chen , Abdullah Imran

Medical image registration is a fundamental task in medical image analysis, aiming to establish spatial correspondences between paired images. However, existing unsupervised deformable registration methods rely solely on intensity-based…

Computer Vision and Pattern Recognition · Computer Science 2025-02-18 Hao Xu , Tengfei Xue , Jianan Fan , Dongnan Liu , Yuqian Chen , Fan Zhang , Carl-Fredrik Westin , Ron Kikinis , Lauren J. O'Donnell , Weidong Cai

Multimodal 3D MRI brain tumor segmentation is a pivotal step in radiotherapy target delineation, surgical planning and post-treatment assessment. Existing methods often assume artifact-free MRI images. However, inevitable patient motion…

Image and Video Processing · Electrical Eng. & Systems 2026-05-18 Yuchun Wang , Xiaosong Li , Gefei Liang , Yang Liu

Deformable medical image registration is a crucial aspect of medical image analysis. In recent years, researchers have begun leveraging auxiliary tasks (such as supervised segmentation) to provide anatomical structure information for the…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Hongchao Zhou , Shunbo Hu

Deformable image registration aims to find a dense non-linear spatial correspondence between a pair of images, which is a crucial step for many medical tasks such as tumor growth monitoring and population analysis. Recently, Deep Neural…

Image and Video Processing · Electrical Eng. & Systems 2025-01-09 Mingyuan Meng , Michael Fulham , Dagan Feng , Lei Bi , Jinman Kim

Tumor segmentation from multi-modal brain MRI images is a challenging task due to the limited samples, high variance in shapes and uneven distribution of tumor morphology. The performance of automated medical image segmentation has been…

Image and Video Processing · Electrical Eng. & Systems 2024-02-13 Tianyi Ren , Ethan Honey , Harshitha Rebala , Abhishek Sharma , Agamdeep Chopra , Mehmet Kurt

High-grade serous ovarian carcinoma (HGSOC) is characterised by significant spatial and temporal heterogeneity, typically manifesting at an advanced metastatic stage. A major challenge in treating advanced HGSOC is effectively monitoring…

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 the computed tomography (CT) images during preoperative…

Computer Vision and Pattern Recognition · Computer Science 2021-08-20 Utako Yamamoto , Megumi Nakao , Masayuki Ohzeki , Junko Tokuno , Toyofumi Fengshi Chen-Yoshikawa , Tetsuya Matsuda

Brain tumor segmentation is an active research area due to the difficulty in delineating highly complex shaped and textured tumors as well as the failure of the commonly used U-Net architectures. The combination of different neural…

Image and Video Processing · Electrical Eng. & Systems 2023-08-02 Lanhong Yao , Zheyuan Zhang , Ulas Bagci

Deformable image registration is a key task in medical image analysis. The Brain Tumor Sequence Registration challenge (BraTS-Reg) aims at establishing correspondences between pre-operative and follow-up scans of the same patient diagnosed…

Image and Video Processing · Electrical Eng. & Systems 2022-12-12 Javid Abderezaei , Aymeric Pionteck , Agamdeep Chopra , Mehmet Kurt

Over half a million individuals are diagnosed with head and neck cancer each year worldwide. Radiotherapy is an important curative treatment for this disease, but it requires manual time consuming delineation of radio-sensitive organs at…

Image registration and in particular deformable registration methods are pillars of medical imaging. Inspired by the recent advances in deep learning, we propose in this paper, a novel convolutional neural network architecture that couples…

Computer Vision and Pattern Recognition · Computer Science 2018-09-18 Stergios Christodoulidis , Mihir Sahasrabudhe , Maria Vakalopoulou , Guillaume Chassagnon , Marie-Pierre Revel , Stavroula Mougiakakou , Nikos Paragios

Nonlinear image registration continues to be a fundamentally important tool in medical image analysis. Diagnostic tasks, image-guided surgery and radiotherapy as well as motion analysis all rely heavily on accurate intra-patient alignment.…

Computer Vision and Pattern Recognition · Computer Science 2019-07-26 Mattias P. Heinrich

Dense vertex-to-vertex correspondence between 3D faces is a fundamental and challenging issue for 3D&2D face analysis. While the sparse landmarks have anatomically ground-truth correspondence, the dense vertex correspondences on most facial…

Computer Vision and Pattern Recognition · Computer Science 2021-09-24 Zhenfeng Fan , Silong Peng , Shihong Xia

Reliable 3D-2D alignment between intraoral scan (IOS) models and lateral cephalometric radiographs is critical for orthodontic diagnosis, yet conventional intensity-driven registration methods struggle under real clinical conditions, where…

Computer Vision and Pattern Recognition · Computer Science 2025-11-19 Yiyi Miao , Taoyu Wu , Ji Jiang , Tong Chen , Zhe Tang , Zhengyong Jiang , Angelos Stefanidis , Limin Yu , Jionglong Su