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One of the fundamental challenges in supervised learning for multimodal image registration is the lack of ground-truth for voxel-level spatial correspondence. This work describes a method to infer voxel-level transformation from…

In spinal vertebral mobility disease, accurately extracting and contouring vertebrae is essential for assessing mobility impairments and monitoring variations during flexion-extension movements. Precise vertebral contouring plays a crucial…

Image and Video Processing · Electrical Eng. & Systems 2025-07-15 Sunil Munthumoduku Krishna Murthy , Kumar Rajamani , Srividya Tirunellai Rajamani , Yupei Li , Qiyang Sun , Bjoern W. Schuller

Ultrasound (US) imaging is widely used in diagnosing and staging abdominal diseases due to its lack of non-ionizing radiation and prevalent availability. However, significant inter-operator variability and inconsistent image acquisition…

Robotics · Computer Science 2024-10-28 Yordanka Velikova , Mohammad Farid Azampour , Walter Simson , Marco Esposito , Nassir Navab

In this paper, we introduce a novel RGB-D based relative pose estimation approach that is suitable for small-overlapping or non-overlapping scans and can output multiple relative poses. Our method performs scene completion and matches the…

Computer Vision and Pattern Recognition · Computer Science 2020-04-07 Zhenpei Yang , Siming Yan , Qixing Huang

High annotation costs and limited labels for dense 3D medical imaging tasks have recently motivated an assortment of 3D self-supervised pretraining methods that improve transfer learning performance. However, these methods commonly lack…

Computer Vision and Pattern Recognition · Computer Science 2022-11-17 Yejia Zhang , Pengfei Gu , Nishchal Sapkota , Hao Zheng , Peixian Liang , Danny Z. Chen

Accurate vertebra localization and identification are required in many clinical applications of spine disorder diagnosis and surgery planning. However, significant challenges are posed in this task by highly varying pathologies (such as…

Computer Vision and Pattern Recognition · Computer Science 2020-12-16 Fakai Wang , Kang Zheng , Le Lu , Jing Xiao , Min Wu , Shun Miao

The correct ego-motion estimation basically relies on the understanding of correspondences between adjacent LiDAR scans. However, given the complex scenarios and the low-resolution LiDAR, finding reliable structures for identifying…

Computer Vision and Pattern Recognition · Computer Science 2022-03-01 Yan Xu , Junyi Lin , Jianping Shi , Guofeng Zhang , Xiaogang Wang , Hongsheng Li

Following recent advancements in computer-aided detection and diagnosis systems for colonoscopy, the automated reporting of colonoscopy procedures is set to further revolutionize clinical practice. A crucial yet underexplored aspect in the…

Computer Vision and Pattern Recognition · Computer Science 2025-04-28 Carlo Biffi , Giorgio Roffo , Pietro Salvagnini , Andrea Cherubini

Geometric estimation including depth estimation and scene reconstruction is a crucial technique for colonoscopy which can provide surgeons with 3D spatial perception and navigation. However, geometric ground truth in colonoscopy is…

Computer Vision and Pattern Recognition · Computer Science 2026-05-14 Liangjing Shao , Beilei Cui , Hongliang Ren

One aim of dimensionality reduction is to discover the main factors that explain the data, and as such is paramount to many applications. When working with high dimensional data, autoencoders offer a simple yet effective approach to learn…

Machine Learning · Computer Science 2025-08-29 Benjamin Couéraud , Vikram Sunkara , Christof Schütte

Computer-aided polyp detection (CADe) is becoming a standard, integral part of any modern colonoscopy system. A typical colonoscopy CADe detects a polyp in a single frame and does not track it through the video sequence. Yet, many…

Computer Vision and Pattern Recognition · Computer Science 2024-03-14 Yotam Intrator , Natalie Aizenberg , Amir Livne , Ehud Rivlin , Roman Goldenberg

Objective: Herein, a neural network-based liver segmentation algorithm is proposed, and its performance was evaluated using abdominal computed tomography (CT) images. Methods: A fully convolutional network was developed to overcome the…

Computer Vision and Pattern Recognition · Computer Science 2021-01-26 Minyoung Chung , Jingyu Lee , Minkyung Lee , Jeongjin Lee , Yeong-Gil Shin

Robotic systems are transforming image-guided interventions by enhancing accuracy and minimizing radiation exposure. A significant challenge in robotic assistance lies in surgical path planning, which often relies on the registration of…

This paper presents a novel framework for processing volumetric medical information using Visual Transformers (ViTs). First, We extend the state-of-the-art Swin Transformer model to the 3D medical domain. Second, we propose a new approach…

Image and Video Processing · Electrical Eng. & Systems 2024-06-06 Cristhian Forigua , Maria Escobar , Pablo Arbelaez

To meet the clinical demand for accurate 3D lumbar spine assessment in a weight-bearing position, this study presents a novel, fully automatic framework for high-precision 3D reconstruction from biplanar X-ray images, overcoming the…

Image and Video Processing · Electrical Eng. & Systems 2025-10-08 Wanxin Yu , Zhemin Zhu , Cong Wang , Yihang Bao , Chunjie Xia , Rongshan Cheng , Yan Yu , Tsung-Yuan Tsai

Dealing with the application of grading colorectal cancer images, this work proposes a 3 step pipeline for prediction of cancer levels from a histopathology image. The overall model performs better compared to other state of the art methods…

Computer Vision and Pattern Recognition · Computer Science 2020-10-05 Franziska Lippoldt

We propose an estimation method using a recurrent neural network (RNN) of the colon's shape where deformation was occurred by a colonoscope insertion. Colonoscope tracking or a navigation system that navigates physician to polyp positions…

Computer Vision and Pattern Recognition · Computer Science 2020-04-29 Masahiro Oda , Holger R. Roth , Takayuki Kitasaka , Kazuhiro Furukawa , Ryoji Miyahara , Yoshiki Hirooka , Hidemi Goto , Nassir Navab , Kensaku Mori

Effective transperineal ultrasound image guidance in prostate external beam radiotherapy requires consistent alignment between probe and prostate at each session during patient set-up. Probe placement and ultrasound image inter-pretation…

Computer Vision and Pattern Recognition · Computer Science 2020-10-07 Alexander Grimwood , Helen McNair , Yipeng Hu , Ester Bonmati , Dean Barratt , Emma Harris

Energy evaluation using fast Fourier transforms enables sampling billions of putative complex structures and hence revolutionized rigid protein-protein docking. However, in current methods efficient acceleration is achieved only in either…

Purpose: To develop and validate a computer tool for automatic and simultaneous segmentation of body composition depicted on computed tomography (CT) scans for the following tissues: visceral adipose (VAT), subcutaneous adipose (SAT),…

Image and Video Processing · Electrical Eng. & Systems 2021-12-17 Lucy Pu , Syed F. Ashraf , Naciye S Gezer , Iclal Ocak , Rajeev Dhupar
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