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In robot-assisted minimally invasive surgery, high-fidelity dynamic endoscopic scene reconstruction and simulation are crucial to enhancing downstream tasks and advancing surgical outcomes. However, existing methods primarily focus on…

计算机视觉与模式识别 · 计算机科学 2026-05-18 Changjing Liu , Yiming Huang , Long Bai , Beilei Cui , Hongliang Ren

We propose DynamicSurf, a model-free neural implicit surface reconstruction method for high-fidelity 3D modelling of non-rigid surfaces from monocular RGB-D video. To cope with the lack of multi-view cues in monocular sequences of deforming…

计算机视觉与模式识别 · 计算机科学 2023-11-15 Mirgahney Mohamed , Lourdes Agapito

This paper presents a novel method for the reconstruction of 3D edges in multi-view stereo scenarios. Previous research in the field typically relied on video sequences and limited the reconstruction process to either straight…

计算机视觉与模式识别 · 计算机科学 2018-01-18 Andrea Bignoli , Andrea Romanoni , Matteo Matteucci

Although supervised convolutional neural networks (CNNs) often outperform conventional alternatives for denoising positron emission tomography (PET) images, they require many low- and high-quality reference PET image pairs. Herein, we…

Purpose The purpose of this study was to develop and evaluate a deep neural network (DNN) capable of generating flat-panel detector (FPD) images from digitally reconstructed radiography (DRR) images in lung cancer treatment, with the aim of…

计算机视觉与模式识别 · 计算机科学 2025-03-04 Chisako Hayashi , Shinichiro Mori , Yasukuni Mori , Lim Taehyeung , Hiroki Suyari , Hitoshi Ishikawa

Precise camera tracking, high-fidelity 3D tissue reconstruction, and real-time online visualization are critical for intrabody medical imaging devices such as endoscopes and capsule robots. However, existing SLAM (Simultaneous Localization…

计算机视觉与模式识别 · 计算机科学 2024-03-25 Kailing Wang , Chen Yang , Yuehao Wang , Sikuang Li , Yan Wang , Qi Dou , Xiaokang Yang , Wei Shen

We propose CrossHuman, a novel method that learns cross-guidance from parametric human model and multi-frame RGB images to achieve high-quality 3D human reconstruction. To recover geometry details and texture even in invisible regions, we…

计算机视觉与模式识别 · 计算机科学 2022-07-21 Liliang Chen , Jiaqi Li , Han Huang , Yandong Guo

We propose a novel deep reinforcement learning-based approach for 3D object reconstruction from monocular images. Prior works that use mesh representations are template based. Thus, they are limited to the reconstruction of objects that…

计算机视觉与模式识别 · 计算机科学 2021-09-27 Tarek Ben Charrada , Hedi Tabia , Aladine Chetouani , Hamid Laga

Image guidance for minimally invasive interventions is usually performed by acquiring fluoroscopic images using a C-arm system. However, the projective data provide only limited information about the spatial structure and position of…

Deep learning-based 3-dimensional (3D) shape reconstruction from 2-dimensional (2D) magnetic resonance imaging (MRI) has become increasingly important in medical disease diagnosis, treatment planning, and computational modeling. This review…

机器学习 · 计算机科学 2025-10-03 Emma McMillian , Abhirup Banerjee , Alfonso Bueno-Orovio

Reconstructing 3D scenes from monocular surgical videos can enhance surgeon's perception and therefore plays a vital role in various computer-assisted surgery tasks. However, achieving scale-consistent reconstruction remains an open…

计算机视觉与模式识别 · 计算机科学 2025-04-07 Jiaxin Guo , Wenzhen Dong , Tianyu Huang , Hao Ding , Ziyi Wang , Haomin Kuang , Qi Dou , Yun-Hui Liu

In endoscopic sinus surgery (ESS), intraoperative CT (iCT) offers valuable intraoperative assessment but is constrained by slow deployment and radiation exposure, limiting its clinical utility. Endoscope-based monocular 3D reconstruction is…

图像与视频处理 · 电气工程与系统科学 2025-03-03 Pengcheng Chen , Wenhao Li , Nicole Gunderson , Jeremy Ruthberg , Randall Bly , Zhenglong Sun , Waleed M. Abuzeid , Eric J. Seibel

Deformable image registration (DIR) is essential for many image-guided therapies. Recently, deep learning approaches have gained substantial popularity and success in DIR. Most deep learning approaches use the so-called mono-stream…

图像与视频处理 · 电气工程与系统科学 2020-12-08 Zhe Xu , Jie Luo , Jiangpeng Yan , Xiu Li , Jagadeesan Jayender

Recent advances in deep learning-based image reconstruction techniques have led to significant progress in phase retrieval using digital in-line holographic microscopy (DIHM). However, existing deep learning-based phase retrieval methods…

计算机视觉与模式识别 · 计算机科学 2024-10-01 Jihwan Kim , Youngdo Kim , Hyo Seung Lee , Eunseok Seo , Sang Joon Lee

This paper presents a generalizable 3D plane detection and reconstruction framework named MonoPlane. Unlike previous robust estimator-based works (which require multiple images or RGB-D input) and learning-based works (which suffer from…

计算机视觉与模式识别 · 计算机科学 2024-11-05 Wang Zhao , Jiachen Liu , Sheng Zhang , Yishu Li , Sili Chen , Sharon X Huang , Yong-Jin Liu , Hengkai Guo

Shape reconstruction of deformable organs from two-dimensional X-ray images is a key technology for image-guided intervention. In this paper, we propose an image-to-graph convolutional network (IGCN) for deformable shape reconstruction from…

图像与视频处理 · 电气工程与系统科学 2021-11-02 M. Nakao , F. Tong , M. Nakamura , T. Matsuda

Achieving high-fidelity 3D reconstruction from monocular video remains challenging due to the inherent limitations of traditional methods like Structure-from-Motion (SfM) and monocular SLAM in accurately capturing scene details. While…

计算机视觉与模式识别 · 计算机科学 2025-04-15 Yue Hu , Rong Liu , Meida Chen , Peter Beerel , Andrew Feng

3D shape instantiation which reconstructs the 3D shape of a target from limited 2D images or projections is an emerging technique for surgical intervention. It improves the currently less-informative and insufficient 2D navigation schemes…

图像与视频处理 · 电气工程与系统科学 2019-09-20 Zhao-Yang Wang , Xiao-Yun Zhou , Peichao Li , Celia Riga , Guang-Zhong Yang

In this work, we present a new method for 3D face reconstruction from sparse-view RGB images. Unlike previous methods which are built upon 3D morphable models (3DMMs) with limited details, we leverage an implicit representation to encode…

计算机视觉与模式识别 · 计算机科学 2022-10-04 Moran Li , Haibin Huang , Yi Zheng , Mengtian Li , Nong Sang , Chongyang Ma

We present a self-supervised learning approach to learning monocular 3D face reconstruction with a pose guidance network (PGN). First, we unveil the bottleneck of pose estimation in prior parametric 3D face learning methods, and propose to…

计算机视觉与模式识别 · 计算机科学 2020-10-12 Pengpeng Liu , Xintong Han , Michael Lyu , Irwin King , Jia Xu