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Related papers: BA-Net: Dense Bundle Adjustment Network

200 papers

To solve high-dimensional parameter-dependent partial differential equations (pPDEs), a neural network architecture is presented. It is constructed to map parameters of the model data to corresponding finite element solutions. To improve…

Numerical Analysis · Mathematics 2024-03-20 Janina E. Schütte , Martin Eigel

Bundle adjustment (BA) is a fundamental optimization technique used in many crucial applications, including 3D scene reconstruction, robotic localization, camera calibration, autonomous driving, space exploration, street view map generation…

Image and Video Processing · Electrical Eng. & Systems 2019-05-08 Shuzhen Qin , Qiang Liu , Bo Yu , Shaoshan Liu

The defocus deblurring raised from the finite aperture size and exposure time is an essential problem in the computational photography. It is very challenging because the blur kernel is spatially varying and difficult to estimate by…

Image and Video Processing · Electrical Eng. & Systems 2021-06-01 Pengwei Liang , Junjun Jiang , Xianming Liu , Jiayi Ma

This paper presents Bundle Network, a learning-based algorithm inspired by the Bundle Method for convex non-smooth minimization problems. Unlike classical approaches that rely on heuristic tuning of a regularization parameter, our method…

Optimization and Control · Mathematics 2025-09-30 Francesca Demelas , Joseph Le Roux , Antonio Frangioni , Mathieu Lacroix , Emiliano Traversi , Roberto Wolfler Calvo

We address the problem of merging graph and feature-space information while learning a metric from structured data. Existing algorithms tackle the problem in an asymmetric way, by either extracting vectorized summaries of the graph…

Machine Learning · Computer Science 2020-02-17 Nicolo Colombo

Incorporating various mass shapes and sizes in training deep learning architectures has made breast mass segmentation challenging. Moreover, manual segmentation of masses of irregular shapes is time-consuming and error-prone. Though Deep…

Image and Video Processing · Electrical Eng. & Systems 2022-11-17 Sharif Amit Kamran , Khondker Fariha Hossain , Alireza Tavakkoli , George Bebis , Sal Baker

Structure from Motion (SfM) using imagery that involves extreme appearance changes is yet a challenging task due to a loss of feature repeatability. Using feature correspondences obtained by matching densely extracted convolutional neural…

Computer Vision and Pattern Recognition · Computer Science 2018-05-14 Aji Resindra Widya , Akihiko Torii , Masatoshi Okutomi

Structure from motion (SfM) has recently been formulated as a self-supervised learning problem, where neural network models of depth and egomotion are learned jointly through view synthesis. Herein, we address the open problem of how to…

Computer Vision and Pattern Recognition · Computer Science 2022-07-12 Brandon Wagstaff , Valentin Peretroukhin , Jonathan Kelly

Image deblurring aims to restore high-quality images from blurred ones. While existing deblurring methods have made significant progress, most overlook the fact that the degradation degree varies across different regions. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2025-03-03 Hu Gao , Depeng Dang

We propose Fiber Bundle Networks (FiberNet), a novel machine learning framework integrating differential geometry with machine learning. Unlike traditional deep neural networks relying on black-box function fitting, we reformulate…

Machine Learning · Computer Science 2025-12-02 Dong Liu

We propose a new structure-from-motion framework to recover accurate camera poses and point clouds from unordered images. Traditional SfM systems typically rely on the successful detection of repeatable keypoints across multiple views as…

Computer Vision and Pattern Recognition · Computer Science 2023-06-28 Xingyi He , Jiaming Sun , Yifan Wang , Sida Peng , Qixing Huang , Hujun Bao , Xiaowei Zhou

Although numerous solutions have been proposed for image super-resolution, they are usually incompatible with low-power devices with many computational and memory constraints. In this paper, we address this problem by proposing a simple yet…

Computer Vision and Pattern Recognition · Computer Science 2023-02-28 Long Sun , Jiangxin Dong , Jinhui Tang , Jinshan Pan

Two-view structure from motion (SfM) is the cornerstone of 3D reconstruction and visual SLAM (vSLAM). Many existing end-to-end learning-based methods usually formulate it as a brute regression problem. However, the inadequate utilization of…

Computer Vision and Pattern Recognition · Computer Science 2022-10-12 Yuxi Xiao , Li Li , Xiaodi Li , Jian Yao

This paper presents an efficient algorithm for the least-squares problem using the point-to-plane cost, which aims to jointly optimize depth sensor poses and plane parameters for 3D reconstruction. We call this least-squares problem…

Computer Vision and Pattern Recognition · Computer Science 2020-08-18 Lipu Zhou , Daniel Koppel , Hui Ju , Frank Steinbruecker , Michael Kaess

Monocular depth prediction is an important task in scene understanding. It aims to predict the dense depth of a single RGB image. With the development of deep learning, the performance of this task has made great improvements. However, two…

Computer Vision and Pattern Recognition · Computer Science 2021-04-14 Feng Xue , Junfeng Cao , Yu Zhou , Fei Sheng , Yankai Wang , Anlong Ming

Recovering structure and motion parameters given a image pair or a sequence of images is a well studied problem in computer vision. This is often achieved by employing Structure from Motion (SfM) or Simultaneous Localization and Mapping…

Computer Vision and Pattern Recognition · Computer Science 2018-11-07 Thanuja Dharmasiri , Andrew Spek , Tom Drummond

Designing neural network architectures is a challenging task and knowing which specific layers of a model must be adapted to improve the performance is almost a mystery. In this paper, we introduce a novel theory and metric to identify…

Machine Learning · Computer Science 2020-11-06 David Peer , Sebastian Stabinger , Antonio Rodriguez-Sanchez

How to aggregate spatial information plays an essential role in learning-based image restoration. Most existing CNN-based networks adopt static convolutional kernels to encode spatial information, which cannot aggregate spatial information…

Computer Vision and Pattern Recognition · Computer Science 2023-03-07 Yi Zhang , Dasong Li , Xiaoyu Shi , Dailan He , Kangning Song , Xiaogang Wang , Hongwei Qin , Hongsheng Li

This paper addresses the challenges of designing mesh convolution neural networks for 3D mesh dense prediction. While deep learning has achieved remarkable success in image dense prediction tasks, directly applying or extending these…

Computer Vision and Pattern Recognition · Computer Science 2024-08-27 Shi Hezi , Jiang Luo , Zheng Jianmin , Zeng Jun

Depth prediction is a critical problem in robotics applications especially autonomous driving. Generally, depth prediction based on binocular stereo matching and fusion of monocular image and laser point cloud are two mainstream methods.…

Computer Vision and Pattern Recognition · Computer Science 2023-03-14 Guancheng Chen , Junli Lin , Huabiao Qin