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Image datasets have been steadily growing in size, harming the feasibility and efficiency of large-scale 3D reconstruction methods. In this paper, a novel approach for scaling Multi-View Stereo (MVS) algorithms up to arbitrarily large…

计算机视觉与模式识别 · 计算机科学 2022-07-19 Marco Orsingher , Paolo Zani , Paolo Medici , Massimo Bertozzi

We present a compact pipeline for high-fidelity hair reconstruction from multi-view images. While recent 3D Gaussian Splatting (3DGS) methods achieve realistic results, they often require millions of primitives, leading to high storage and…

计算机视觉与模式识别 · 计算机科学 2026-04-07 Haimin Luo , Srinjay Sarkar , Albert Mosella-Montoro , Francisco Vicente Carrasco , Fernando De la Torre

We present a Gaussian Splatting method for surface reconstruction using sparse input views. Previous methods relying on dense views struggle with extremely sparse Structure-from-Motion points for initialization. While learning-based…

计算机视觉与模式识别 · 计算机科学 2025-04-30 Jiang Wu , Rui Li , Yu Zhu , Rong Guo , Jinqiu Sun , Yanning Zhang

We propose Flash3D, a method for scene reconstruction and novel view synthesis from a single image which is both very generalisable and efficient. For generalisability, we start from a "foundation" model for monocular depth estimation and…

计算机视觉与模式识别 · 计算机科学 2025-06-03 Stanislaw Szymanowicz , Eldar Insafutdinov , Chuanxia Zheng , Dylan Campbell , João F. Henriques , Christian Rupprecht , Andrea Vedaldi

Multi-contrast MRI images provide complementary contrast information about the characteristics of anatomical structures and are commonly used in clinical practice. Recently, a multi-flip-angle (FA) and multi-echo GRE method (MULTIPLEX MRI)…

图像与视频处理 · 电气工程与系统科学 2021-05-19 Eric Z. Chen , Yongquan Ye , Xiao Chen , Jingyuan Lyu , Zhongqi Zhang , Yichen Hu , Terrence Chen , Jian Xu , Shanhui Sun

When created faithfully from real-world data, Digital 3D representations of objects can be useful for human or computer-assisted analysis. Such models can also serve for generating training data for machine learning approaches in settings…

计算机视觉与模式识别 · 计算机科学 2024-07-08 David Nakath , Xiangyu Weng , Mengkun She , Kevin Köser

In light-sheet microscopy, overall image content and resolution are improved by acquiring and fusing multiple views of the sample from different directions. State-of-the-art multi-view (MV) deconvolution employs the point spread functions…

定量方法 · 定量生物学 2015-03-30 Benjamin Schmid , Jan Huisken

Recovering high-fidelity 3D images from sparse or degraded 2D images is a fundamental challenge in medical imaging, with broad applications ranging from 3D ultrasound reconstruction to MRI super-resolution. In the context of fetal MRI,…

计算机视觉与模式识别 · 计算机科学 2025-12-17 Maik Dannecker , Steven Jia , Nil Stolt-Ansó , Nadine Girard , Guillaume Auzias , François Rousseau , Daniel Rueckert

Sparse-view 3D reconstruction is essential for applications in which dense image acquisition is impractical, such as robotics, augmented/virtual reality (AR/VR), and autonomous systems. In these settings, minimal image overlap prevents…

计算机视觉与模式识别 · 计算机科学 2025-07-23 Tanveer Younis , Zhanglin Cheng

Particle Imaging Velocimetry (PIV) estimates the flow of fluid by analyzing the motion of injected particles. The problem is challenging as the particles lie at different depths but have similar appearance and tracking a large number of…

计算机视觉与模式识别 · 计算机科学 2020-03-24 Zhong Li , Jinwei Ye , Yu Ji , Hao Sheng , Jingyi Yu

We present VIGS-SLAM, a visual-inertial 3D Gaussian Splatting SLAM system that achieves robust real-time tracking and high-fidelity reconstruction. Although recent 3DGS-based SLAM methods achieve dense and photorealistic mapping, their…

机器人学 · 计算机科学 2026-03-16 Zihan Zhu , Wei Zhang , Moyang Li , Norbert Haala , Marc Pollefeys , Daniel Barath

3D Gaussian splatting (3DGS) has demonstrated exceptional performance in image-based 3D reconstruction and real-time rendering. However, regions with complex textures require numerous Gaussians to capture significant color variations…

计算机视觉与模式识别 · 计算机科学 2025-06-10 Binxiao Huang , Zhihao Li , Shiyong Liu , Xiao Tang , Jiajun Tang , Jiaqi Lin , Yuxin Cheng , Zhenyu Chen , Xiaofei Wu , Ngai Wong

While 3D Gaussian Splatting has achieved remarkable success in photorealistic novel view synthesis, its pursuit of fast and high-fidelity 3D reconstruction has long been constrained by a trade-off between geometric accuracy and optimization…

计算机视觉与模式识别 · 计算机科学 2026-05-27 Zhenhua Du , Zhen Tan , Haoyu Zhang , Dewen Hu , Shuaifeng Zhi , Peidong Liu

Although 3D Gaussian Splatting (3DGS) has achieved impressive performance in real-time rendering, its densification strategy often results in suboptimal reconstruction quality. In this work, we present a comprehensive improvement to the…

计算机视觉与模式识别 · 计算机科学 2025-08-19 Xiaobin Deng , Changyu Diao , Min Li , Ruohan Yu , Duanqing Xu

Neural Radiance Fields (NeRF) and 3D Gaussian Splatting (3DGS) have advanced 3D reconstruction and novel view synthesis, but remain heavily dependent on accurate camera poses and dense viewpoint coverage. These requirements limit their…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Jiahui Lu , Haihong Xiao , Xueyan Zhao , Wenxiong Kang

One of the fundamental challenges in image restoration is denoising, where the objective is to estimate the clean image from its noisy measurements. To tackle such an ill-posed inverse problem, the existing denoising approaches generally…

计算机视觉与模式识别 · 计算机科学 2021-11-12 Lanqing Guo , Siyu Huang , Haosen Liu , Bihan Wen

We propose a novel respiratory motion-resolved MR image reconstruction method that jointly treats multi-echo k-space raw data. Continuously acquired non-Cartesian multi-echo/multi-coil k-space data with free breathing are sorted/binned into…

图像与视频处理 · 电气工程与系统科学 2023-04-05 Youngwook Kee , MungSoo Kang , Seongho Jeong , Gerald Behr

We investigated whether a combination of k-space undersampling and variable density averaging enhances image quality for low-SNR MRI acquisitions. We implemented 3D Cartesian k-space prospective undersampling with a variable number of…

We propose a robust method for estimating dynamic 3D curvilinear branching structure from monocular images. While 3D reconstruction from images has been widely studied, estimating thin structure has received less attention. This problem…

计算机视觉与模式识别 · 计算机科学 2016-08-16 Kyle Simek , Ravishankar Palanivelu , Kobus Barnard

3D reconstruction in large-scale scenes is a fundamental task in 3D perception, but the inherent trade-off between accuracy and computational efficiency remains a significant challenge. Existing methods either prioritize speed and produce…

计算机视觉与模式识别 · 计算机科学 2025-11-25 Jungho Lee , Minhyeok Lee , Sunghun Yang , Minseok Kang , Sangyoun Lee
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