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Supervised deep learning has become the method of choice for image denoising. It involves the training of neural networks on large datasets composed of pairs of noisy and clean images. However, the necessity of training data that are…

Computer Vision and Pattern Recognition · Computer Science 2025-07-10 Sébastien Herbreteau , Michael Unser

Successfully training end-to-end deep networks for real motion deblurring requires datasets of sharp/blurred image pairs that are realistic and diverse enough to achieve generalization to real blurred images. Obtaining such datasets remains…

Computer Vision and Pattern Recognition · Computer Science 2025-04-03 Guillermo Carbajal , Patricia Vitoria , José Lezama , Pablo Musé

This paper presents a unified framework that allows high-quality dynamic Gaussian Splatting from both defocused and motion-blurred monocular videos. Due to the significant difference between the formation processes of defocus blur and…

Computer Vision and Pattern Recognition · Computer Science 2025-11-03 Xuankai Zhang , Junjin Xiao , Qing Zhang

As handheld video cameras are now commonplace and available in every smartphone, images and videos can be recorded almost everywhere at anytime. However, taking a quick shot frequently yields a blurry result due to unwanted camera shake…

Computer Vision and Pattern Recognition · Computer Science 2017-08-15 Patrick Wieschollek , Michael Hirsch , Bernhard Schölkopf , Hendrik P. A. Lensch

Dynamic Camera Clusters (DCCs) are multi-camera systems where one or more cameras are mounted on actuated mechanisms such as a gimbal. Existing methods for DCC calibration rely on joint angle measurements to resolve the time-varying…

Computer Vision and Pattern Recognition · Computer Science 2018-07-26 Christopher L. Choi , Jason Rebello , Leonid Koppel , Pranav Ganti , Arun Das , Steven L. Waslander

In this paper we address the issue of output instability of deep neural networks: small perturbations in the visual input can significantly distort the feature embeddings and output of a neural network. Such instability affects many deep…

Computer Vision and Pattern Recognition · Computer Science 2016-04-18 Stephan Zheng , Yang Song , Thomas Leung , Ian Goodfellow

The assumption of scene rigidity is typical in SLAM algorithms. Such a strong assumption limits the use of most visual SLAM systems in populated real-world environments, which are the target of several relevant applications like service…

Computer Vision and Pattern Recognition · Computer Science 2018-08-16 Berta Bescos , José M. Fácil , Javier Civera , José Neira

Detumbling refers to the act of dampening the angular velocity of the satellite. This operation is of paramount importance since it is virtually impossible to nominally perform any other operation without some degree of attitude control.…

Systems and Control · Electrical Eng. & Systems 2020-10-01 Jeet Yadav , Tushar Goyal

Efficient skill acquisition, representation, and on-line adaptation to different scenarios has become of fundamental importance for assistive robotic applications. In the past decade, dynamical systems (DS) have arisen as a flexible and…

Robotics · Computer Science 2020-03-27 Matteo Saveriano , Dongheui Lee

While dense visual SLAM methods are capable of estimating dense reconstructions of the environment, they suffer from a lack of robustness in their tracking step, especially when the optimisation is poorly initialised. Sparse visual SLAM…

Robotics · Computer Science 2022-07-25 Tristan Laidlow , Michael Bloesch , Wenbin Li , Stefan Leutenegger

For electro-optical imaging systems, line-of-sight stabilization against different disturbances created by mobile platforms is crucial property. The development of high resolution sensors and the demand in increased operating distances have…

Systems and Control · Computer Science 2016-04-26 Mehmet Baskın , Kemal Leblebicioğlu

Bilinear models that decompose dynamic data to spatial and temporal factors are powerful and memory-efficient tools for the recovery of dynamic MRI data. These methods rely on sparsity and energy compaction priors on the factors to…

Image and Video Processing · Electrical Eng. & Systems 2021-07-01 Abdul Haseeb Ahmed , Prashant Nagpal , Mathews Jacob

We address the problem of non-blind deblurring and demosaicking of noisy raw images. We adapt an existing learning-based approach to RGB image deblurring to handle raw images by introducing a new interpretable module that jointly demosaicks…

Image and Video Processing · Electrical Eng. & Systems 2021-04-15 Thomas Eboli , Jian Sun , Jean Ponce

Although significant progress has been made in reconstructing sharp 3D scenes from motion-blurred images, a transition to real-world applications remains challenging. The primary obstacle stems from the severe blur which leads to…

Computer Vision and Pattern Recognition · Computer Science 2024-04-19 Jeongtaek Oh , Jaeyoung Chung , Dongwoo Lee , Kyoung Mu Lee

State-of-the-art video deblurring methods are capable of removing non-uniform blur caused by unwanted camera shake and/or object motion in dynamic scenes. However, most existing methods are based on batch processing and thus need access to…

Computer Vision and Pattern Recognition · Computer Science 2017-04-12 Tae Hyun Kim , Kyoung Mu Lee , Bernhard Schölkopf , Michael Hirsch

Training learning-based deblurring methods demands a tremendous amount of blurred and sharp image pairs. Unfortunately, existing synthetic datasets are not realistic enough, and deblurring models trained on them cannot handle real blurred…

Computer Vision and Pattern Recognition · Computer Science 2022-07-22 Jaesung Rim , Geonung Kim , Jungeon Kim , Junyong Lee , Seungyong Lee , Sunghyun Cho

The research in dense online 3D mapping is mostly focused on the geometrical accuracy and spatial extent of the reconstructions. Their color appearance is often neglected, leading to inconsistent colors and noticeable artifacts. We rectify…

Computer Vision and Pattern Recognition · Computer Science 2018-04-23 Sergey V. Alexandrov , Johann Prankl , Michael Zillich , Markus Vincze

Motivated by recently published methods using frequency decompositions of convolutions (e.g. Octave Convolutions), we propose a novel convolution scheme to stabilize the training and reduce the likelihood of a mode collapse. The basic idea…

Machine Learning · Computer Science 2020-12-18 Ricard Durall , Franz-Josef Pfreundt , Janis Keuper

Image degradation caused by noise and blur remains a persistent challenge in imaging systems, stemming from limitations in both hardware and methodology. Single-image solutions face an inherent tradeoff between noise reduction and motion…

Image and Video Processing · Electrical Eng. & Systems 2024-12-11 Yuzhi Zhao , Lai-Man Po , Xin Ye , Yongzhe Xu , Qiong Yan

We address the challenging problem of dense dynamic scene reconstruction and camera pose estimation from multiple freely moving cameras -- a setting that arises naturally when multiple observers capture a shared event. Prior approaches…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Shuo Sun , Unal Artan , Malcolm Mielle , Achim J. Lilienthaland , Martin Magnusson