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Longitudinal MRI is an important diagnostic imaging tool for evaluating the effects of treatment and monitoring disease progression. However, MRI, and particularly longitudinal MRI, is known to be time consuming. To accelerate imaging,…

Image and Video Processing · Electrical Eng. & Systems 2023-01-24 Jens Renders , Banafshe Shafieizargar , Marleen Verhoye , Jan De Beenhouwer , Arnold J. den Dekker , Jan Sijbers

Ultrasound technology enables safe, non-invasive imaging of dynamic tissue behavior, making it a valuable tool in medicine, biomechanics, and sports science. However, accurately tracking tissue motion in B-mode ultrasound remains…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Praneeth Namburi , Roger Pallarès-López , Jessica Rosendorf , Duarte Folgado , Brian W. Anthony

A new methodology is proposed to estimate 3D displacement fields from pairs of images obtained from X-Ray Computed Micro Tomography (XCMT). Contrary to local approaches, a global approach is followed herein that evaluates {\em continuous}…

Classical Physics · Physics 2007-12-18 Stephane Roux , François Hild , Philippe Viot , Dominique Bernard

Falls among seniors are a major public health issue. Existing solutions using wearable sensors, ambient sensors, and RGB-based vision systems face challenges in reliability, user compliance, and practicality. Studies indicate that…

Computer Vision and Pattern Recognition · Computer Science 2026-02-05 Christopher Silver , Thangarajah Akilan

The 3D depth estimation and relative pose estimation problem within a decentralized architecture is a challenging problem that arises in missions that require coordination among multiple vision-controlled robots. The depth estimation…

Robotics · Computer Science 2019-08-02 Romulo T. Rodrigues , Pedro Miraldo , Dimos V. Dimarogonas , A. Pedro Aguiar

Detection of dynamic surface displacements associated with local changes in material strain provides access to a number of phenomena and material properties. Contact resonance-enhanced methods of Atomic Force Microscopy (AFM) have been…

Materials Science · Physics 2016-10-12 Nina Balke , Stephen Jesse , Pu Yu , Ben Carmichael , Sergei V. Kalinin , Alexander Tselev

Four-dimensional scanning transmission electron microscopy (4D-STEM) enables mapping of diffraction information with nanometer-scale spatial resolution, offering detailed insight into local structure, orientation, and strain. However, as…

Dam reservoirs play an important role in meeting sustainable development goals and global climate targets. However, particularly for small dam reservoirs, there is a lack of consistent data on their geographical location. To address this…

Computer Vision and Pattern Recognition · Computer Science 2022-07-14 Arnout van Soesbergen , Zedong Chu , Miaojing Shi , Mark Mulligan

Visual defect detection plays an important role in intelligent industry. Patch based methods consider visual images as a collection of image patches according to positions, which have stronger discriminative ability for small defects in…

Computer Vision and Pattern Recognition · Computer Science 2024-01-19 Chao Han , Yudong Yan

Optical flow is a fundamental technique for motion estimation, widely applied in video stabilization, interpolation, and object tracking. Traditional optical flow estimation methods rely on restrictive assumptions like brightness constancy…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Yu-Hsi Chen , Chin-Tien Wu

Monitoring structural damage is extremely important for sustaining and preserving the service life of civil structures. While successful monitoring provides resolute and staunch information on the health, serviceability, integrity and…

Signal Processing · Electrical Eng. & Systems 2020-08-26 Onur Avci , Osama Abdeljaber , Serkan Kiranyaz , Mohammed Hussein , Moncef Gabbouj , Daniel J. Inman

In recent years, the advancement of AI technologies has accelerated the development of smart factories. In particular, the automatic monitoring of product assembly progress is crucial for improving operational efficiency, minimizing the…

Computer Vision and Pattern Recognition · Computer Science 2026-01-05 Kazuma Miura , Sarthak Pathak , Kazunori Umeda

Depth in the real world is rarely singular. Transmissive materials create layered ambiguities that confound conventional perception systems. Existing models remain passive; conventional approaches typically estimate static depth maps…

Computer Vision and Pattern Recognition · Computer Science 2026-03-26 Junhong Min , Jimin Kim , Minwook Kim , Cheol-Hui Min , Youngpil Jeon , Minyong Choi

Existing methods for the 4D reconstruction of general, non-rigidly deforming objects focus on novel-view synthesis and neglect correspondences. However, time consistency enables advanced downstream tasks like 3D editing, motion analysis, or…

Computer Vision and Pattern Recognition · Computer Science 2023-08-17 Edith Tretschk , Vladislav Golyanik , Michael Zollhoefer , Aljaz Bozic , Christoph Lassner , Christian Theobalt

Accurate measurement of image quality without reference signals remains a fundamental challenge in low-level visual perception applications. In this paper, we propose a global-local progressive integration model that addresses this…

Computer Vision and Pattern Recognition · Computer Science 2025-02-25 Xiaoqi Wang , Yun Zhang

Optical flow estimation aims to find the 2D motion field by identifying corresponding pixels between two images. Despite the tremendous progress of deep learning-based optical flow methods, it remains a challenge to accurately estimate…

Computer Vision and Pattern Recognition · Computer Science 2022-04-01 Xiuchao Sui , Shaohua Li , Xue Geng , Yan Wu , Xinxing Xu , Yong Liu , Rick Goh , Hongyuan Zhu

Statistical techniques play a large role in the structural health monitoring of instrumented infrastructure, such as a railway bridge constructed with an integrated network of fibre optic sensors. One possible way to reason about the…

Applications · Statistics 2018-03-23 Alastair Gregory , F. Din-Houn Lau , Liam Butler

We extend Regularised Diffusion-Shock (RDS) filtering from Euclidean space $\mathbb{R}^2$ to the space of positions and orientations $\mathbb{M}_2 := \mathbb{R}^2 \times S^1$. This has numerous advantages, e.g. making it possible to enhance…

Differential Geometry · Mathematics 2025-05-26 Finn M. Sherry , Kristina Schaefer , Remco Duits

The accurate quantification of left ventricular (LV) deformation/strain shows significant promise for quantitatively assessing cardiac function for use in diagnosis and therapy planning (Jasaityte et al., 2013). However, accurate estimation…

Vertebral compression fractures (VCFs) are a common and potentially serious consequence of osteoporosis. Yet, they often remain undiagnosed. Opportunistic screening, which involves automated analysis of medical imaging data acquired…

Machine Learning · Computer Science 2024-12-24 Blanca Inigo , Yiqing Shen , Benjamin D. Killeen , Michelle Song , Axel Krieger , Christopher Bradley , Mathias Unberath