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Prevailing video frame interpolation algorithms, that generate the intermediate frames from consecutive inputs, typically rely on complex model architectures with heavy parameters or large delay, hindering them from diverse real-time…

计算机视觉与模式识别 · 计算机科学 2022-05-31 Lingtong Kong , Boyuan Jiang , Donghao Luo , Wenqing Chu , Xiaoming Huang , Ying Tai , Chengjie Wang , Jie Yang

Image and video quality in Long Range Observation Systems (LOROS) suffer from atmospheric turbulence that causes small neighbourhoods in image frames to chaotically move in different directions and substantially hampers visual analysis of…

光学 · 物理学 2010-07-27 Barak Fishbain , Leonid P. Yaroslavsky , Ianir A. Ideses

Recent progress in style transfer on images has focused on improving the quality of stylized images and speed of methods. However, real-time methods are highly unstable resulting in visible flickering when applied to videos. In this work we…

计算机视觉与模式识别 · 计算机科学 2017-05-08 Agrim Gupta , Justin Johnson , Alexandre Alahi , Li Fei-Fei

We present a method for stabilizing handheld video that simulates the camera motions cinematographers achieve with equipment like tripods, dollies, and Steadicams. We formulate a constrained convex optimization problem minimizing the…

计算机视觉与模式识别 · 计算机科学 2020-11-24 Arwen Bradley , Jason Klivington , Joseph Triscari , Rudolph van der Merwe

In video segmentation, generating temporally consistent results across frames is as important as achieving frame-wise accuracy. Existing methods rely either on optical flow regularization or fine-tuning with test data to attain temporal…

计算机视觉与模式识别 · 计算机科学 2021-10-26 Yizhe Zhang , Shubhankar Borse , Hong Cai , Fatih Porikli

We present a data-driven approach to efficiently approximate nonlinear transient dynamics in solid-state systems. Our proposed machine-learning model combines a dimensionality reduction stage with a nonlinear vector autoregression scheme.…

With the rapid growth of surveillance cameras in many public places to mon-itor human activities such as in malls, streets, schools and, prisons, there is a strong demand for such systems to detect violence events automatically. Au-tomatic…

计算机视觉与模式识别 · 计算机科学 2022-04-18 Heyam M. Bin Jahlan , Lamiaa A. Elrefaei

Extracting and predicting object structure and dynamics from videos without supervision is a major challenge in machine learning. To address this challenge, we adopt a keypoint-based image representation and learn a stochastic dynamics…

计算机视觉与模式识别 · 计算机科学 2020-03-03 Matthias Minderer , Chen Sun , Ruben Villegas , Forrester Cole , Kevin Murphy , Honglak Lee

This paper addresses the challenge of developing a robust audio-visual deepfake detection model. In practical use cases, new generation algorithms are continually emerging, and these algorithms are not encountered during the development of…

声音 · 计算机科学 2024-08-20 Kyungbok Lee , You Zhang , Zhiyao Duan

The emergence of low-cost personal mobiles devices and wearable cameras and the increasing storage capacity of video-sharing websites have pushed forward a growing interest towards first-person videos. Since most of the recorded videos…

Designing a stabilizing controller for nonlinear systems is a challenging task, especially for high-dimensional problems with unknown dynamics. Traditional reinforcement learning algorithms applied to stabilization tasks tend to drive the…

系统与控制 · 电气工程与系统科学 2024-09-16 Thanin Quartz , Ruikun Zhou , Hans De Sterck , Jun Liu

We introduce a framework that enables both multi-view character consistency and 3D camera control in video diffusion models through a novel customization data pipeline. We train the character consistency component with recorded volumetric…

Vision transformer has demonstrated promising performance on challenging computer vision tasks. However, directly training the vision transformers may yield unstable and sub-optimal results. Recent works propose to improve the performance…

计算机视觉与模式识别 · 计算机科学 2021-06-14 Chengyue Gong , Dilin Wang , Meng Li , Vikas Chandra , Qiang Liu

Color inconsistency is an inevitable challenge in computational pathology, which generally happens because of stain intensity variations or sections scanned by different scanners. It harms the pathological image analysis methods, especially…

图像与视频处理 · 电气工程与系统科学 2022-03-01 Bingchao Zhao , Jiatai Lin , Changhong Liang , Zongjian Yi , Xin Chen , Bingbing Li , Weihao Qiu , Danyi Li , Li Liang , Chu Han , Zaiyi Liu

We introduce a simple yet effective algorithm that uses convolutional neural networks to directly estimate object poses from videos. Our approach leverages the temporal information from a video sequence, and is computationally efficient and…

计算机视觉与模式识别 · 计算机科学 2021-11-23 Apoorva Beedu , Zhile Ren , Varun Agrawal , Irfan Essa

Overfitting is a crucial problem in deep neural networks, even in the latest network architectures. In this paper, to relieve the overfitting effect of ResNet and its improvements (i.e., Wide ResNet, PyramidNet, and ResNeXt), we propose a…

计算机视觉与模式识别 · 计算机科学 2020-04-01 Yoshihiro Yamada , Masakazu Iwamura , Takuya Akiba , Koichi Kise

We describe a method to extract persistent elements of a dynamic scene from an input video. We represent each scene element as a \emph{Deformable Sprite} consisting of three components: 1) a 2D texture image for the entire video, 2)…

计算机视觉与模式识别 · 计算机科学 2022-04-15 Vickie Ye , Zhengqi Li , Richard Tucker , Angjoo Kanazawa , Noah Snavely

Dynamic Mode Decomposition (DMD) is a numerical method that seeks to fit timeseries data to a linear dynamical system. In doing so, DMD decomposes dynamic data into spatially coherent modes that evolve in time according to exponential…

计算机视觉与模式识别 · 计算机科学 2026-02-26 Marco Mignacca , Simone Brugiapaglia , Jason J. Bramburger

We address the problem of synthesizing new video frames in an existing video, either in-between existing frames (interpolation), or subsequent to them (extrapolation). This problem is challenging because video appearance and motion can be…

计算机视觉与模式识别 · 计算机科学 2017-08-08 Ziwei Liu , Raymond A. Yeh , Xiaoou Tang , Yiming Liu , Aseem Agarwala

We propose a self-supervised approach for training multi-frame video denoising networks. These networks predict frame t from a window of frames around t. Our self-supervised approach benefits from the video temporal consistency by…

计算机视觉与模式识别 · 计算机科学 2021-04-21 Valéry Dewil , Jérémy Anger , Axel Davy , Thibaud Ehret , Pablo Arias , Gabriele Facciolo
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