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Dental diagnosis relies on two primary imaging modalities: panoramic radiographs (PX) providing 2D oral cavity representations, and Cone-Beam Computed Tomography (CBCT) offering detailed 3D anatomical information. While PX images are…

Image and Video Processing · Electrical Eng. & Systems 2025-06-17 Bikram Keshari Parida , Anusree P. Sunilkumar , Abhijit Sen , Wonsang You

Coronary artery calcification (CAC) is a strong predictor of cardiovascular events, with CT-based Agatston scoring widely regarded as the clinical gold standard. However, CT is costly and impractical for large-scale screening, while chest…

Computer Vision and Pattern Recognition · Computer Science 2026-01-07 Dylan Saeed , Ramtin Gharleghi , Susann Beier , Sonit Singh

Cone-beam computed tomography (CBCT) typically requires hundreds of X-ray projections, which raises concerns about radiation exposure. While sparse-view reconstruction reduces the exposure by using fewer projections, it struggles to achieve…

Image and Video Processing · Electrical Eng. & Systems 2024-11-05 Meng-Xun Li , Jin-Gang Yu , Yuan Gao , Cui Huang , Gui-Song Xia

A joint image reconstruction and segmentation approach based on disentangled representation learning was trained to enable cardiac cine MR imaging in real-time and under free-breathing. An exploratory feasibility study tested the proposed…

Purpose: Neural Radiance Fields (NeRF) offer exceptional capabilities for 3D reconstruction and view synthesis, yet their reliance on extensive multi-view data limits their application in surgical intraoperative settings where only limited…

Computer Vision and Pattern Recognition · Computer Science 2025-07-02 Alberto Neri , Maximilan Fehrentz , Veronica Penza , Leonardo S. Mattos , Nazim Haouchine

The quality of three-dimensional reconstruction is a key factor affecting the effectiveness of its application in areas such as virtual reality (VR) and augmented reality (AR) technologies. Neural Radiance Fields (NeRF) can generate…

Computer Vision and Pattern Recognition · Computer Science 2023-06-09 Qianqiu Tan , Tao Liu , Yinling Xie , Shuwan Yu , Baohua Zhang

Vessel stenosis is a major risk factor in cardiovascular diseases (CVD). To analyze the degree of vessel stenosis for supporting the treatment management, extraction of coronary artery area from Computed Tomographic Angiography (CTA) is…

Image and Video Processing · Electrical Eng. & Systems 2019-07-30 Yo-Chuan Chen , Yi-Chen Lin , Ching-Ping Wang , Chia-Yen Lee , Wen-Jeng Lee , Tzung-Dau Wang , Chung-Ming Chen

Neural Radiance Field (NeRF) based rendering has attracted growing attention thanks to its state-of-the-art (SOTA) rendering quality and wide applications in Augmented and Virtual Reality (AR/VR). However, immersive real-time (> 30 FPS)…

Hardware Architecture · Computer Science 2025-03-31 Chaojian Li , Sixu Li , Yang Zhao , Wenbo Zhu , Yingyan Celine Lin

We present ZeroRF, a novel per-scene optimization method addressing the challenge of sparse view 360{\deg} reconstruction in neural field representations. Current breakthroughs like Neural Radiance Fields (NeRF) have demonstrated…

Computer Vision and Pattern Recognition · Computer Science 2023-12-15 Ruoxi Shi , Xinyue Wei , Cheng Wang , Hao Su

Neural Radiance Fields (NeRF) and 3D Gaussian Splatting (3DGS) have emerged as powerful tools for 3D reconstruction and SLAM tasks. However, their performance depends heavily on accurate camera pose priors. Existing approaches attempt to…

Computer Vision and Pattern Recognition · Computer Science 2025-06-25 Qingsong Yan , Qiang Wang , Kaiyong Zhao , Jie Chen , Bo Li , Xiaowen Chu , Fei Deng

Phase-contrast magnetic resonance imaging (MRI) provides time-resolved quantification of blood flow dynamics that can aid clinical diagnosis. Long in vivo scan times due to repeated three-dimensional (3D) volume sampling over cardiac phases…

Image and Video Processing · Electrical Eng. & Systems 2020-04-22 Valery Vishnevskiy , Jonas Walheim , Sebastian Kozerke

The ventral, dorsal, and lateral streams in high-level human visual cortex are implicated in distinct functional processes. Yet, deep neural networks (DNNs) trained on a single task model the entire visual system surprisingly well, hinting…

Machine Learning · Computer Science 2025-10-13 Ammar I Marvi , Nancy G Kanwisher , Meenakshi Khosla

Early detection of coronary artery disease (CAD) is critical for reducing mortality and improving patient treatment planning. While angiographic image analysis from X-rays is a common and cost-effective method for identifying cardiac…

Computer Vision and Pattern Recognition · Computer Science 2026-03-04 Alvee Hassan , Rusab Sarmun , Muhammad E. H. Chowdhury , M Murugappan , Abdulrahman Alqahtani , Balamurugan Balusamy , Sohaib Bassam Zoghoul

Background: Computed Tomography Angiography (CTA) is crucial for cerebrovascular disease diagnosis. Dynamic CTA is a type of imaging that captures temporal information about the We aim to develop and evaluate two segmentation techniques to…

Medical Physics · Physics 2025-02-17 Shrikanth Yadav , Jisoo Kim , Geoffrey Young , Lei Qin

4D time-space reconstruction of dynamic events or deforming objects using X-ray computed tomography (CT) is an important inverse problem in non-destructive evaluation. Conventional back-projection based reconstruction methods assume that…

Image and Video Processing · Electrical Eng. & Systems 2025-02-27 K. Aditya Mohan , Massimiliano Ferrucci , Chuck Divin , Garrett A. Stevenson , Hyojin Kim

X-ray computed microtomography ({\mu}-CT) is a non-destructive technique that can generate high-resolution 3D images of the internal anatomy of medical and biological samples. These images enable clinicians to examine internal anatomy and…

Sparse-view Computed Tomography (CT) reconstructs images from a limited number of X-ray projections to reduce radiation and scanning time, which makes reconstruction an ill-posed inverse problem. Deep learning methods achieve high-fidelity…

Image and Video Processing · Electrical Eng. & Systems 2025-12-16 Aujasvit Datta , Jiayun Wang , Asad Aali , Armeet Singh Jatyani , Anima Anandkumar

We present a novel approach to reconstruction of 3D cardiac motion from sparse intraoperative data. While existing methods can accurately reconstruct 3D organ geometries from full 3D volumetric imaging, they cannot be used during surgical…

Computer Vision and Pattern Recognition · Computer Science 2024-12-04 Yihong Chen , Jiancheng Yang , Deniz Sayin Mercadier , Hieu Le , Pascal Fua

We propose a 4D convolutional neural network (CNN) for the segmentation of retrospective ECG-gated cardiac CT, a series of single-channel volumetric data over time. While only a small subset of volumes in the temporal sequence is annotated,…

Image and Video Processing · Electrical Eng. & Systems 2019-10-11 Andriy Myronenko , Dong Yang , Varun Buch , Daguang Xu , Alvin Ihsani , Sean Doyle , Mark Michalski , Neil Tenenholtz , Holger Roth

Inspired by recent advances in deep learning, we propose a framework for reconstructing dynamic sequences of 2D cardiac magnetic resonance (MR) images from undersampled data using a deep cascade of convolutional neural networks (CNNs) to…

Computer Vision and Pattern Recognition · Computer Science 2017-11-27 Jo Schlemper , Jose Caballero , Joseph V. Hajnal , Anthony Price , Daniel Rueckert