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Existing video deraining methods are often trained on paired datasets, either synthetic, which limits their ability to generalize to real-world rain, or captured by static cameras, which restricts their effectiveness in dynamic scenes with…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Tuomas Varanka , Juan Luis Gonzalez , Hyeongwoo Kim , Pablo Garrido , Xu Yao

In many video processing tasks, leveraging large-scale image datasets is a common strategy, as image data is more abundant and facilitates comprehensive knowledge transfer. A typical approach for simulating video from static images involves…

Computer Vision and Pattern Recognition · Computer Science 2024-11-22 Suhwan Cho , Minhyeok Lee , Jungho Lee , Sangyoun Lee

With the growing popularity of smartphone photography in recent years, web photos play an increasingly important role in all walks of life. Source camera identification of web photos aims to establish a reliable linkage from the captured…

Computer Vision and Pattern Recognition · Computer Science 2023-02-21 Feng Qian , Sifeng He , Honghao Huang , Huanyu Ma , Xiaobo Zhang , Lei Yang

Multi-perspective cameras are quickly gaining importance in many applications such as smart vehicles and virtual or augmented reality. However, a large system size or absence of overlap in neighbouring fields-of-view often complicate their…

Robotics · Computer Science 2022-04-14 Yifu Wang , Wenqing Jiang , Kun Huang , Sören Schwertfeger , Laurent Kneip

Most unsupervised domain adaptation (UDA) methods assume that labeled source images are available during model adaptation. However, this assumption is often infeasible owing to confidentiality issues or memory constraints on mobile devices.…

Computer Vision and Pattern Recognition · Computer Science 2023-03-17 JoonHo Lee , Gyemin Lee

Diffusion-based methods can generate realistic images and videos, but they struggle to edit existing objects in a video while preserving their appearance over time. This prevents diffusion models from being applied to natural video editing…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Wenhao Chai , Xun Guo , Gaoang Wang , Yan Lu

Although powerful for image generation, consistent and controllable video is a longstanding problem for diffusion models. Video models require extensive training and computational resources, leading to high costs and large environmental…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Muhammad Haaris Khan , Hadrien Reynaud , Bernhard Kainz

Video reconstruction from a single motion-blurred image is a challenging problem, which can enhance the capabilities of existing cameras. Recently, several works addressed this task using conventional imaging and deep learning. Yet, such…

Image and Video Processing · Electrical Eng. & Systems 2022-12-20 Erez Yosef , Shay Elmalem , Raja Giryes

Previous deep learning-based video stabilizers require a large scale of paired unstable and stable videos for training, which are difficult to collect. Traditional trajectory-based stabilizers, on the other hand, divide the task into…

Computer Vision and Pattern Recognition · Computer Science 2022-06-10 Yufei Xu , Jing Zhang , Stephen J. Maybank , Dacheng Tao

Photo Response Non-Uniformity (PRNU) based camera attribution is an effective method to determine the source camera of visual media (an image or a video). To apply this method, images or videos need to be obtained from a camera to create a…

Multimedia · Computer Science 2019-09-11 Samet Taspinar , Manoranjan Mohanty , Nasir Memon

Visual localization is the task of accurate camera pose estimation in a known scene. It is a key problem in computer vision and robotics, with applications including self-driving cars, Structure-from-Motion, SLAM, and Mixed Reality.…

Computer Vision and Pattern Recognition · Computer Science 2019-03-19 Torsten Sattler , Qunjie Zhou , Marc Pollefeys , Laura Leal-Taixe

In digital images, the performance of optical aberration is a multivariate degradation, where the spectral of the scene, the lens imperfections, and the field of view together contribute to the results. Besides eliminating it at the…

Computer Vision and Pattern Recognition · Computer Science 2023-05-11 Shiqi Chen , Jinwen Zhou , Menghao Li , Yueting Chen , Tingting Jiang

Shift-and-add is an approach employed to mitigate the phenomenon of resolution degradation in images acquired through a turbulent medium. Using this technique, a large number of consecutive short exposures is registered below the coherence…

Instrumentation and Methods for Astrophysics · Physics 2015-05-15 A. Popowicz , A. R. Kurek , A. Pollo , B. Smolka

The idea of video super resolution is to use different view points of a single scene to enhance the overall resolution and quality. Classical energy minimization approaches first establish a correspondence of the current frame to all its…

Computer Vision and Pattern Recognition · Computer Science 2017-12-05 Jonas Geiping , Hendrik Dirks , Daniel Cremers , Michael Moeller

Accurate camera pose estimation result is essential for visual SLAM (VSLAM). This paper presents a novel pose correction method to improve the accuracy of the VSLAM system. Firstly, the relationship between the camera pose estimation error…

Computer Vision and Pattern Recognition · Computer Science 2019-08-27 Zhaobing Kang , Wei Zou , Zheng Zhu

In this work, we present an integrated system for spatiotemporal summarization of 360-degrees videos. The video summary production mainly involves the detection of salient events and their synopsis into a concise summary. The analysis…

Computer Vision and Pattern Recognition · Computer Science 2023-12-06 Ioannis Kontostathis , Evlampios Apostolidis , Vasileios Mezaris

This study proposes a privacy-preserving Visual SLAM framework for estimating camera poses and performing bundle adjustment with mixed line and point clouds in real time. Previous studies have proposed localization methods to estimate a…

Computer Vision and Pattern Recognition · Computer Science 2020-07-28 Mikiya Shibuya , Shinya Sumikura , Ken Sakurada

We propose replacing scene text in videos using deep style transfer and learned photometric transformations.Building on recent progress on still image text replacement,we present extensions that alter text while preserving the appearance…

Computer Vision and Pattern Recognition · Computer Science 2021-09-08 Vijay Kumar B G , Jeyasri Subramanian , Varnith Chordia , Eugene Bart , Shaobo Fang , Kelly Guan , Raja Bala

This paper develops a new video compression approach based on underdetermined blind source separation. Underdetermined blind source separation, which can be used to efficiently enhance the video compression ratio, is combined with various…

Multimedia · Computer Science 2012-05-22 Jing Liu , Fei Qiao , Qi Wei , Huazhong Yang

In this study, we present an efficient and effective approach for achieving temporally consistent synthetic-to-real video translation in videos of varying lengths. Our method leverages off-the-shelf conditional image diffusion models,…

Computer Vision and Pattern Recognition · Computer Science 2023-05-31 Ernie Chu , Shuo-Yen Lin , Jun-Cheng Chen