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This paper proposes a novel framework for large-scale scene reconstruction based on 3D Gaussian splatting (3DGS) and aims to address the scalability and accuracy challenges faced by existing methods. For tackling the scalability issue, we…

计算机视觉与模式识别 · 计算机科学 2024-09-25 Hanyue Zhang , Zhiliu Yang , Xinhe Zuo , Yuxin Tong , Ying Long , Chen Liu

We propose a visual SLAM method by predicting and updating line flows that represent sequential 2D projections of 3D line segments. While feature-based SLAM methods have achieved excellent results, they still face problems in challenging…

计算机视觉与模式识别 · 计算机科学 2021-03-18 Qiuyuan Wang , Zike Yan , Junqiu Wang , Fei Xue , Wei Ma , Hongbin Zha

Acquired images for medical and other purposes can be affected by noise from both the equipment used in the capturing or the environment. This can have adverse effect on the information therein. Thus, the need to restore the image to its…

图像与视频处理 · 电气工程与系统科学 2024-01-19 E. G. Onyedinma , I. E. Onyenwe

A fruitful approach for solving signal deconvolution problems consists of resorting to a frame-based convex variational formulation. In this context, parallel proximal algorithms and related alternating direction methods of multipliers have…

其他计算机科学 · 计算机科学 2015-05-28 Nelly Pustelnik , Jean-Christophe Pesquet , Caroline Chaux

We consider the simultaneous deblurring of a set of noisy images whose point spread functions are different but known and spatially invariant, and the noise is Gaussian. Currently available iterative algorithms that are typically used for…

天体物理学 · 物理学 2009-11-10 R. Vio , J. Nagy , L. Tenorio , W. Wamsteker

TL;DR: Gaussian Splatting is a widely adopted approach for 3D scene representation, offering efficient, high-quality reconstruction and rendering. A key reason for its success is the simplicity of representing scenes with sets of Gaussians,…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Jiahuan Cheng , Jan-Nico Zaech , Luc Van Gool , Danda Pani Paudel

Novel view synthesis has been greatly enhanced by the development of radiance field methods. The introduction of 3D Gaussian Splatting (3DGS) has effectively addressed key challenges, such as long training times and slow rendering speeds,…

计算机视觉与模式识别 · 计算机科学 2025-01-07 Gopi Raju Matta , Reddypalli Trisha , Kaushik Mitra

Recent developments in 3D Gaussian Splatting have made significant advances in surface reconstruction. However, scaling these methods to large-scale scenes remains challenging due to high computational demands and the complex dynamic…

图形学 · 计算机科学 2025-06-24 Shihan Chen , Zhaojin Li , Zeyu Chen , Qingsong Yan , Gaoyang Shen , Ran Duan

Fast, reliable shape reconstruction is an essential ingredient in many computer vision applications. Neural Radiance Fields demonstrated that photorealistic novel view synthesis is within reach, but was gated by performance requirements for…

计算机视觉与模式识别 · 计算机科学 2023-08-29 Leonid Keselman , Martial Hebert

Taking photographs ''in-the-wild'' is often hindered by fence obstructions that stand between the camera user and the scene of interest, and which are hard or impossible to avoid. De-fencing is the algorithmic process of automatically…

计算机视觉与模式识别 · 计算机科学 2023-01-26 Stavros Tsogkas , Fengjia Zhang , Allan Jepson , Alex Levinshtein

Removing noise from the any processed images is very important. Noise should be removed in such a way that important information of image should be preserved. A decisionbased nonlinear algorithm for elimination of band lines, drop lines,…

计算机视觉与模式识别 · 计算机科学 2022-04-22 S. K. Satpathy , S. Panda , K. K. Nagwanshi , S. K. Nayak , C. Ardil

We propose a novel method of efficient upsampling of a single natural image. Current methods for image upsampling tend to produce high-resolution images with either blurry salient edges, or loss of fine textural detail, or spurious noise…

计算机视觉与模式识别 · 计算机科学 2015-03-03 Chinmay Hegde , Oncel Tuzel , Fatih Porikli

We propose an effective denoising diffusion model for generating high-resolution images (e.g., 1024$\times$512), trained on small-size image patches (e.g., 64$\times$64). We name our algorithm Patch-DM, in which a new feature collage…

计算机视觉与模式识别 · 计算机科学 2023-08-03 Zheng Ding , Mengqi Zhang , Jiajun Wu , Zhuowen Tu

Traditional dehazing techniques, as a well studied topic in image processing, are now widely used to eliminate the haze effects from individual images. However, even the state-of-the-art dehazing algorithms may not provide sufficient…

分布式、并行与集群计算 · 计算机科学 2016-09-12 Meihua Wang , Jiaming Mai , Yun Liang , Tom Z. J. Fu , Zhenjie Zhang , Ruichu Cai

This paper studies optical flow estimation, a critical task in motion analysis with applications in autonomous navigation, action recognition, and film production. Traditional optical flow methods require consecutive frames, which are often…

计算机视觉与模式识别 · 计算机科学 2025-06-12 Mo Zhou , Jianwei Wang , Xuanmeng Zhang , Dylan Campbell , Kai Wang , Long Yuan , Wenjie Zhang , Xuemin Lin

We propose Camera Splatting, a novel view optimization framework for novel view synthesis. Each camera is modeled as a 3D Gaussian, referred to as a camera splat, and virtual cameras, termed point cameras, are placed at 3D points sampled…

计算机视觉与模式识别 · 计算机科学 2025-09-22 Gahye Lee , Hyomin Kim , Gwangjin Ju , Jooeun Son , Hyejeong Yoon , Seungyong Lee

Multi-channel speech enhancement aims to extract clean speech from a noisy mixture using signals captured from multiple microphones. Recently proposed methods tackle this problem by incorporating deep neural network models with spatial…

声音 · 计算机科学 2021-02-16 Panagiotis Tzirakis , Anurag Kumar , Jacob Donley

Gaussian splatting has recently gained traction as a compelling map representation for SLAM systems, enabling dense and photo-realistic scene modeling. However, its application to monocular SLAM remains challenging due to the lack of…

机器人学 · 计算机科学 2026-04-20 Dong-Uk Seo , Jinwoo Jeon , Eungchang Mason Lee , Hyun Myung

During the acquisition of an image from its source, noise always becomes an integral part of it. Various algorithms have been used in past to denoise the images. Image denoising still has scope for improvement. Visual information…

图像与视频处理 · 电气工程与系统科学 2019-09-17 Santosh Paudel , Ajay Kumar Shrestha , Pradip Singh Maharjan , Rameshwar Rijal

Color image denoising is frequently encountered in various image processing and computer vision tasks. One traditional strategy is to convert the RGB image to a less correlated color space and denoise each channel of the new space…

计算机视觉与模式识别 · 计算机科学 2022-09-20 Yiwen Shan , Dong Hu , Zhi Wang , Tao Jia