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Video fusion is a process that combines visual data from different sensors to obtain a single composite video preserving the information of the sources. The availability of a system, enhancing human ability to perceive the observed…

Multimedia · Computer Science 2010-04-27 Anjali Malviya , S. G. Bhirud

Table tennis robots gained traction over the last years and have become a popular research challenge for control and perception algorithms. Fast and accurate ball detection is crucial for enabling a robotic arm to rally the ball back…

Robotics · Computer Science 2025-02-04 Andreas Ziegler , Thomas Gossard , Arren Glover , Andreas Zell

Event cameras are novel bio-inspired sensors that offer advantages over traditional cameras (low latency, high dynamic range, low power, etc.). Optical flow estimation methods that work on packets of events trade off speed for accuracy,…

Computer Vision and Pattern Recognition · Computer Science 2024-03-05 Shintaro Shiba , Yoshimitsu Aoki , Guillermo Gallego

Few-shot action recognition aims to recognize novel action classes using only a small number of labeled training samples. In this work, we propose a novel approach that first summarizes each video into compound prototypes consisting of a…

Computer Vision and Pattern Recognition · Computer Science 2023-10-17 Yifei Huang , Lijin Yang , Yoichi Sato

We propose a new multi-instance dynamic RGB-D SLAM system using an object-level octree-based volumetric representation. It can provide robust camera tracking in dynamic environments and at the same time, continuously estimate geometric,…

Robotics · Computer Science 2019-03-25 Binbin Xu , Wenbin Li , Dimos Tzoumanikas , Michael Bloesch , Andrew Davison , Stefan Leutenegger

We assess the accuracy of a smartphone camera simulation. The simulation is an end-to-end analysis that begins with a physical description of a high dynamic range 3D scene and includes a specification of the optics and the image sensor. The…

Image and Video Processing · Electrical Eng. & Systems 2022-01-31 Zheng Lyu , Thomas Goossens , Brian Wandell , Joyce Farrell

Detecting object-level changes between two images across possibly different views is a core task in many applications that involve visual inspection or camera surveillance. Existing change-detection approaches suffer from three major…

Computer Vision and Pattern Recognition · Computer Science 2025-01-17 Hung Huy Nguyen , Pooyan Rahmanzadehgervi , Long Mai , Anh Totti Nguyen

This paper proposes a novel approach to create an automated visual surveillance system which is very efficient in detecting and tracking moving objects in a video captured by moving camera without any apriori information about the captured…

Computer Vision and Pattern Recognition · Computer Science 2017-06-09 Kumar S. Ray , Soma Chakraborty

Although the number of camera-based sensors mounted on vehicles has recently increased dramatically, robust and accurate object velocity detection is difficult. Additionally, it is still common to use radar as a fusion system. We have…

Computer Vision and Pattern Recognition · Computer Science 2020-12-02 Toru Saito , Toshimi Okubo , Naoki Takahashi

Video provides us with the spatio-temporal consistency needed for visual learning. Recent approaches have utilized this signal to learn correspondence estimation from close-by frame pairs. However, by only relying on close-by frame pairs,…

Computer Vision and Pattern Recognition · Computer Science 2022-12-07 Mohamed El Banani , Ignacio Rocco , David Novotny , Andrea Vedaldi , Natalia Neverova , Justin Johnson , Benjamin Graham

We present RS-Diffusion, the first Diffusion Models-based method for single-frame Rolling Shutter (RS) correction. RS artifacts compromise visual quality of frames due to the row-wise exposure of CMOS sensors. Most previous methods have…

Computer Vision and Pattern Recognition · Computer Science 2025-03-12 Zhanglei Yang , Haipeng Li , Mingbo Hong , Chen-Lin Zhang , Jiajun Li , Shuaicheng Liu

Modern consumer cameras commonly employ the rolling shutter (RS) imaging mechanism, via which images are captured by scanning scenes row-by-row, resulting in RS distortion for dynamic scenes. To correct RS distortion, existing methods adopt…

Computer Vision and Pattern Recognition · Computer Science 2024-08-22 Wei Shang , Dongwei Ren , Wanying Zhang , Qilong Wang , Pengfei Zhu , Wangmeng Zuo

Object detectors are vital to many modern computer vision applications. However, even state-of-the-art object detectors are not perfect. On two images that look similar to human eyes, the same detector can make different predictions because…

Computer Vision and Pattern Recognition · Computer Science 2022-07-29 Caleb Tung , Abhinav Goel , Fischer Bordwell , Nick Eliopoulos , Xiao Hu , George K. Thiruvathukal , Yung-Hsiang Lu

LiDAR-camera calibration is a precondition for many heterogeneous systems that fuse data from LiDAR and camera. However, the constraint from common field of view and the requirement for strict time synchronization make the calibration a…

Robotics · Computer Science 2019-07-31 Bo Fu , Yue Wang , Xiaqing Ding , Yanmei Jiao , Li Tang , Rong Xiong

To decide whether a digital video has been captured by a given device, multimedia forensic tools usually exploit characteristic noise traces left by the camera sensor on the acquired frames. This analysis requires that the noise pattern…

Multimedia · Computer Science 2020-05-21 Sara Mandelli , Fabrizio Argenti , Paolo Bestagini , Massimo Iuliani , Alessandro Piva , Stefano Tubaro

Due to the strong correlation between adjacent pixels, most image encryption schemes perform multiple rounds of confusion and diffusion to protect the image against attacks. Such operations, however, are time-consuming, cannot meet the…

Cryptography and Security · Computer Science 2024-08-28 Dong Jiang , Zhen Yuan , Wen-xin Li , Liang-liang Lu

Applying image processing algorithms independently to each frame of a video often leads to undesired inconsistent results over time. Developing temporally consistent video-based extensions, however, requires domain knowledge for individual…

Computer Vision and Pattern Recognition · Computer Science 2018-08-02 Wei-Sheng Lai , Jia-Bin Huang , Oliver Wang , Eli Shechtman , Ersin Yumer , Ming-Hsuan Yang

We present an explicit-grid based method for efficiently reconstructing streaming radiance fields for novel view synthesis of real world dynamic scenes. Instead of training a single model that combines all the frames, we formulate the…

Computer Vision and Pattern Recognition · Computer Science 2022-10-27 Lingzhi Li , Zhen Shen , Zhongshu Wang , Li Shen , Ping Tan

This paper presents a new approach to accurately track a moving vehicle with a multiview setup of red-green-blue depth (RGBD) cameras. We first propose a correction method to eliminate a shift, which occurs in depth sensors when they become…

Computer Vision and Pattern Recognition · Computer Science 2021-11-01 Abdenour Amamra , Nabil Aouf

Video super-resolution (VSR) is the task of restoring high-resolution frames from a sequence of low-resolution inputs. Different from single image super-resolution, VSR can utilize frames' temporal information to reconstruct results with…

Image and Video Processing · Electrical Eng. & Systems 2022-08-25 Wenyi Lian , Wenjing Lian