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Structure and continuous motion estimation from point correspondences is a fundamental problem in computer vision that has been powered by well-known algorithms such as the familiar 5-point or 8-point algorithm. However, despite their…

Computer Vision and Pattern Recognition · Computer Science 2025-08-15 Hang Su , Yunlong Feng , Daniel Gehrig , Panfeng Jiang , Ling Gao , Xavier Lagorce , Laurent Kneip

Both self-supervised depth estimation and Structure-from-Motion (SfM) recover scene depth from RGB videos. Despite sharing a similar objective, the two approaches are disconnected. Prior works of self-supervision backpropagate losses…

Computer Vision and Pattern Recognition · Computer Science 2024-08-08 Shengjie Zhu , Xiaoming Liu

Cameras with rolling shutters are becoming more common as low-power, low-cost CMOS sensors are being used more frequently in cameras. The rolling shutter means that not all scanlines are exposed over the same time interval. The effects of a…

Computer Vision and Pattern Recognition · Computer Science 2007-05-23 Marci Meingast , Christopher Geyer , Shankar Sastry

Current bundle adjustment solvers such as the Levenberg-Marquardt (LM) algorithm are limited by the bottleneck in solving the Reduced Camera System (RCS) whose dimension is proportional to the camera number. When the problem is scaled up,…

Computer Vision and Pattern Recognition · Computer Science 2023-02-28 Lei Zhou , Zixin Luo , Mingmin Zhen , Tianwei Shen , Shiwei Li , Zhuofei Huang , Tian Fang , Long Quan

Direct imaging of Earth-like exoplanets requires high contrast imaging capability and high angular resolution. Primary mirror segmentation is a key technological solution for large-aperture telescopes because it opens the path toward…

Instrumentation and Methods for Astrophysics · Physics 2016-06-10 Pierre Janin-Potiron , Patrice Martinez , Pierre Baudoz , Marcel Carbillet

By leveraging the blur-noise trade-off, imaging with non-uniform exposures largely extends the image acquisition flexibility in harsh environments. However, the limitation of conventional cameras in perceiving intra-frame dynamic…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Mingyuan Lin , Jian Liu , Chi Zhang , Zibo Zhao , Chu He , Lei Yu

Visual inspection of solar modules is an important monitoring facility in photovoltaic power plants. Since a single measurement of fast CMOS sensors is limited in spatial resolution and often not sufficient to reliably detect small defects,…

Computer Vision and Pattern Recognition · Computer Science 2021-05-06 Mathis Hoffmann , Thomas Köhler , Bernd Doll , Frank Schebesch , Florian Talkenberg , Ian Marius Peters , Christoph J. Brabec , Andreas Maier , Vincent Christlein

We present a direct visual-inertial odometry (VIO) method which estimates the motion of the sensor setup and sparse 3D geometry of the environment based on measurements from a rolling-shutter camera and an inertial measurement unit (IMU).…

Computer Vision and Pattern Recognition · Computer Science 2020-06-18 David Schubert , Nikolaus Demmel , Lukas von Stumberg , Vladyslav Usenko , Daniel Cremers

Relative pose estimation is a fundamental problem in computer vision and it has been studied for conventional global shutter cameras for decades. However, recently, a rolling shutter camera has been widely used due to its low cost imaging…

Computer Vision and Pattern Recognition · Computer Science 2017-12-04 Chang-Ryeol Lee , Kuk-Jin Yoon

In this article we purpose a novel method for planar pose estimation of mobile robots. This method is based on an analytic solution (which we derived) for the projection of 3D straight lines, onto the mirror of Non-Central Catadioptric…

Robotics · Computer Science 2016-07-11 Andre Mateus , Pedro Miraldo , Pedro U. Lima

Video frames captured by rolling shutter (RS) cameras during fast camera movement frequently exhibit RS distortion and blur simultaneously. Naturally, recovering high-frame-rate global shutter (GS) sharp frames from an RS blur frame must…

Computer Vision and Pattern Recognition · Computer Science 2024-07-12 Yunfan LU , Guoqiang Liang , Yusheng Wang , Lin Wang , Hui Xiong

The Structure from Motion (SfM) challenge in computer vision is the process of recovering the 3D structure of a scene from a series of projective measurements that are calculated from a collection of 2D images, taken from different…

Computer Vision and Pattern Recognition · Computer Science 2023-04-06 Joseph Rowell

We consider the problem of reconstructing a 3-D scene from a moving camera with high frame rate using the affine projection model. This problem is traditionally known as Affine Structure from Motion (Affine SfM), and can be solved using an…

Computer Vision and Pattern Recognition · Computer Science 2016-08-10 Roberto Tron

Diffusion-based inverse problem solvers (DIS) have recently shown outstanding performance in compressed-sensing parallel MRI reconstruction by combining diffusion priors with physical measurement models. However, they typically rely on…

Image and Video Processing · Electrical Eng. & Systems 2025-09-24 Tingjun Liu , Chicago Y. Park , Yuyang Hu , Hongyu An , Ulugbek S. Kamilov

360-degree cameras streamline data collection for radiance field 3D reconstruction by capturing comprehensive scene data. However, traditional radiance field methods do not address the specific challenges inherent to 360-degree images. We…

Computer Vision and Pattern Recognition · Computer Science 2025-02-10 Huajian Huang , Yingshu Chen , Longwei Li , Hui Cheng , Tristan Braud , Yajie Zhao , Sai-Kit Yeung

We introduce the Deformable Gaussian Splats Large Reconstruction Model (DGS-LRM), the first feed-forward method predicting deformable 3D Gaussian splats from a monocular posed video of any dynamic scene. Feed-forward scene reconstruction…

Most approaches to camera calibration rely on calibration targets of well-known geometry. During data acquisition, calibration target and camera system are typically moved w.r.t. each other, to allow image coverage and perspective…

Computer Vision and Pattern Recognition · Computer Science 2021-10-15 Annika Hagemann , Moritz Knorr , Christoph Stiller

Rotating synthetic aperture (RSA) imaging system captures images of the target scene at different rotation angles by rotating a rectangular aperture. Deblurring acquired RSA images plays a critical role in reconstructing a latent sharp…

Methodology · Statistics 2025-02-03 Dao Lin , Jian Zhang , Martin Benning

Real camera footage is subject to noise, motion blur (MB) and depth of field (DoF). In some applications these might be considered distortions to be removed, but in others it is important to model them because it would be ineffective, or…

Computer Vision and Pattern Recognition · Computer Science 2025-03-19 Siddhant Prakash , David R. Walton , Rafael K. dos Anjos , Anthony Steed , Tobias Ritschel

As recent advances in mobile camera technology have enabled the capability to capture high-resolution images, such as 4K images, the demand for an efficient deblurring model handling large motion has increased. In this paper, we discover…

Computer Vision and Pattern Recognition · Computer Science 2024-04-19 Insoo Kim , Jae Seok Choi , Geonseok Seo , Kinam Kwon , Jinwoo Shin , Hyong-Euk Lee