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3D dense reconstruction refers to the process of obtaining the complete shape and texture features of 3D objects from 2D planar images. 3D reconstruction is an important and extensively studied problem, but it is far from being solved. This…

Computer Vision and Pattern Recognition · Computer Science 2023-04-20 Yangming Li

Deep-neural-network-based image reconstruction has demonstrated promising performance in medical imaging for under-sampled and low-dose scenarios. However, it requires large amount of memory and extensive time for the training. It is…

Computer Vision and Pattern Recognition · Computer Science 2019-06-12 Dufan Wu , Kyungsang Kim , Quanzheng Li

In 2D multi-slice magnetic resonance (MR) acquisition, the through-plane signals are typically of lower resolution than the in-plane signals. While contemporary super-resolution (SR) methods aim to recover the underlying high-resolution…

Image and Video Processing · Electrical Eng. & Systems 2022-09-07 Samuel W. Remedios , Shuo Han , Yuan Xue , Aaron Carass , Trac D. Tran , Dzung L. Pham , Jerry L. Prince

Conventional MRI reconstruction methods treat images and coil sensitivities as discrete objects, leading to high memory demands and limited structural awareness that hamper effective regularization. These limitations hinder accurate…

Image and Video Processing · Electrical Eng. & Systems 2026-05-12 Ray Sheombarsing , Max van Riel , David Heesterbeek , Nico van den Berg , Alessandro Sbrizzi

Neural implicit 3D reconstruction can reproduce shapes without 3D supervision, and it learns the 3D scene through volume rendering methods and neural implicit representations. Current neural surface reconstruction methods tend to randomly…

Computer Vision and Pattern Recognition · Computer Science 2025-05-07 Shikun Zhang , Yiqun Wang , Cunjian Chen , Yong Li , Qiuhong Ke

Compressed sensing (CS) has been playing a key role in accelerating the magnetic resonance imaging (MRI) acquisition process. With the resurgence of artificial intelligence, deep neural networks and CS algorithms are being integrated to…

Image and Video Processing · Electrical Eng. & Systems 2021-12-24 Yutong Chen , Carola-Bibiane Schönlieb , Pietro Liò , Tim Leiner , Pier Luigi Dragotti , Ge Wang , Daniel Rueckert , David Firmin , Guang Yang

We propose a model-based deep learning architecture for the reconstruction of highly accelerated diffusion magnetic resonance imaging (MRI) that enables high resolution imaging. The proposed reconstruction jointly recovers all the diffusion…

Image and Video Processing · Electrical Eng. & Systems 2020-01-24 Merry P. Mani , Hemant K. Aggarwal , Sanjay Ghosh , Mathews Jacob

This survey aims to investigate fundamental deep learning (DL) based 3D reconstruction techniques that produce photo-realistic 3D models and scenes, highlighting Neural Radiance Fields (NeRFs), Latent Diffusion Models (LDM), and 3D Gaussian…

Computer Vision and Pattern Recognition · Computer Science 2024-07-12 Yonge Bai , LikHang Wong , TszYin Twan

Transfer learning has gained attention in medical image analysis due to limited annotated 3D medical datasets for training data-driven deep learning models in the real world. Existing 3D-based methods have transferred the pre-trained models…

Computer Vision and Pattern Recognition · Computer Science 2021-04-29 Eunji Jun , Seungwoo Jeong , Da-Woon Heo , Heung-Il Suk

Accurate registration of brain MRI scans is fundamental for cross-subject analysis in neuroscientific studies. This involves aligning both the cortical surface of the brain and the interior volume. Traditional methods treat volumetric and…

Computer Vision and Pattern Recognition · Computer Science 2025-12-24 S. Mazdak Abulnaga , Andrew Hoopes , Malte Hoffmann , Robin Magnet , Maks Ovsjanikov , Lilla Zöllei , John Guttag , Bruce Fischl , Adrian Dalca

Cardiac MRI (CMRI) is a cornerstone imaging modality that provides in-depth insights into cardiac structure and function. Multi-contrast CMRI (MCCMRI), which acquires sequences with varying contrast weightings, significantly enhances…

Image and Video Processing · Electrical Eng. & Systems 2024-11-05 George Yiasemis , Nikita Moriakov , Jan-Jakob Sonke , Jonas Teuwen

This paper focuses on increasing the resolution of depth maps obtained from 3D cameras using structured light technology. Two deep learning models FDSR and DKN are modified to work with high-resolution data, and data pre-processing…

Computer Vision and Pattern Recognition · Computer Science 2024-02-27 Martin Melicherčík , Lukáš Gajdošech , Viktor Kocur , Martin Madaras

Fetal brain segmentation is an important first step for slice-level motion correction and slice-to-volume reconstruction in fetal MRI. Fast and accurate segmentation of the fetal brain on fetal MRI is required to achieve real-time fetal…

Image and Video Processing · Electrical Eng. & Systems 2022-05-05 Razieh Faghihpirayesh , Davood Karimi , Deniz Erdogmus , Ali Gholipour

Magnetic resonance imaging (MRI) relies on radiofrequency (RF) excitation of proton spin. Clinical diagnosis requires a comprehensive collation of biophysical data via multiple MRI contrasts, acquired using a series of RF sequences that…

Medical Physics · Physics 2025-12-24 Dinor Nagar , Moritz Zaiss , Or Perlman

Neural surface reconstruction has been shown to be powerful for recovering dense 3D surfaces via image-based neural rendering. However, current methods struggle to recover detailed structures of real-world scenes. To address the issue, we…

Computer Vision and Pattern Recognition · Computer Science 2023-06-14 Zhaoshuo Li , Thomas Müller , Alex Evans , Russell H. Taylor , Mathias Unberath , Ming-Yu Liu , Chen-Hsuan Lin

Deep neural networks (DNNs) are widely applied for nowadays 3D surface reconstruction tasks and such methods can be further divided into two categories, which respectively warp templates explicitly by moving vertices or represent 3D…

Computer Vision and Pattern Recognition · Computer Science 2023-06-06 Xianghui Yang , Guosheng Lin , Zhenghao Chen , Luping Zhou

Deep learning-based medical image segmentation and surface mesh generation typically involve a sequential pipeline from image to segmentation to meshes, often requiring large training datasets while making limited use of prior geometric…

Given a 3D surface defined by an elevation function on a 2D grid as well as non-spatial features observed at each pixel, the problem of surface segmentation aims to classify pixels into contiguous classes based on both non-spatial features…

Computer Vision and Pattern Recognition · Computer Science 2020-08-27 Wenchong He , Arpan Man Sainju , Zhe Jiang , Da Yan

Diffusion-weighted magnetic resonance imaging (DW-MRI) is the only non-invasive approach for estimation of intra-voxel tissue microarchitecture and reconstruction of in vivo neural pathways for the human brain. With improvement in…

Image and Video Processing · Electrical Eng. & Systems 2020-02-21 Vishwesh Nath , Sudhir K. Pathak , Kurt G. Schilling , Walt Schneider , Bennett A. Landman

The cerebral cortex performs higher-order brain functions and is thus implicated in a range of cognitive disorders. Current analysis of cortical variation is typically performed by fitting surface mesh models to inner and outer cortical…

Image and Video Processing · Electrical Eng. & Systems 2020-10-06 Samuel Budd , Prachi Patkee , Ana Baburamani , Mary Rutherford , Emma C. Robinson , Bernhard Kainz
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