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Unsupervised video object segmentation has often been tackled by methods based on recurrent neural networks and optical flow. Despite their complexity, these kinds of approaches tend to favour short-term temporal dependencies and are thus…

Computer Vision and Pattern Recognition · Computer Science 2019-10-25 Zhao Yang , Qiang Wang , Luca Bertinetto , Weiming Hu , Song Bai , Philip H. S. Torr

As a widely studied task, video restoration aims to enhance the quality of the videos with multiple potential degradations, such as noises, blurs and compression artifacts. Among video restorations, compressed video quality enhancement and…

Computer Vision and Pattern Recognition · Computer Science 2023-02-07 Meisong Zheng , Qunliang Xing , Minglang Qiao , Mai Xu , Lai Jiang , Huaida Liu , Ying Chen

Adversarial robustness assessment for video recognition models has raised concerns owing to their wide applications on safety-critical tasks. Compared with images, videos have much high dimension, which brings huge computational costs when…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Wei Xingxing , Wang Songping , Yan Huanqian

Real-time video analysis remains a challenging problem in computer vision, requiring efficient processing of both spatial and temporal information while maintaining computational efficiency. Existing approaches often struggle to balance…

Computer Vision and Pattern Recognition · Computer Science 2025-07-31 Shahla John

We explore the black-box adversarial attack on video recognition models. Attacks are only performed on selected key regions and key frames to reduce the high computation cost of searching adversarial perturbations on a video due to its high…

Cryptography and Security · Computer Science 2021-09-01 Zeyuan Wang , Chaofeng Sha , Su Yang

We study the problem of video-to-video synthesis, whose goal is to learn a mapping function from an input source video (e.g., a sequence of semantic segmentation masks) to an output photorealistic video that precisely depicts the content of…

Computer Vision and Pattern Recognition · Computer Science 2018-12-04 Ting-Chun Wang , Ming-Yu Liu , Jun-Yan Zhu , Guilin Liu , Andrew Tao , Jan Kautz , Bryan Catanzaro

Convolutional neural networks have enabled accurate image super-resolution in real-time. However, recent attempts to benefit from temporal correlations in video super-resolution have been limited to naive or inefficient architectures. In…

Computer Vision and Pattern Recognition · Computer Science 2017-04-11 Jose Caballero , Christian Ledig , Andrew Aitken , Alejandro Acosta , Johannes Totz , Zehan Wang , Wenzhe Shi

Deep neural networks have been shown to perform poorly on adversarial examples. To address this, several techniques have been proposed to increase robustness of a model for image classification tasks. However, in video understanding tasks,…

Computer Vision and Pattern Recognition · Computer Science 2021-10-28 Divya Choudhary , Palash Goyal , Saurabh Sahu

Fall detection is an important problem from both the health and machine learning perspective. A fall can lead to severe injuries, long term impairments or even death in some cases. In terms of machine learning, it presents a severely class…

Machine Learning · Computer Science 2020-07-24 Shehroz S. Khan , Jacob Nogas , Alex Mihailidis

Despite recent advances in video action recognition achieving strong performance on existing benchmarks, these models often lack robustness when faced with natural distribution shifts between training and test data. We propose two novel…

Computer Vision and Pattern Recognition · Computer Science 2025-07-15 Kiyoon Kim , Shreyank N Gowda , Panagiotis Eustratiadis , Antreas Antoniou , Robert B Fisher

Decomposing a video into a layer-based representation is crucial for easy video editing for the creative industries, as it enables independent editing of specific layers. Existing video-layer decomposition models rely on implicit neural…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Maria Pilligua , Danna Xue , Javier Vazquez-Corral

Contemporary Video Instance Segmentation (VIS) methods typically adhere to a pre-train then fine-tune regime, where a segmentation model trained on images is fine-tuned on videos. However, the lack of temporal knowledge in the pre-trained…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Qing Zhong , Peng-Tao Jiang , Wen Wang , Guodong Ding , Lin Wu , Kaiqi Huang

With the advent of perceptual loss functions, new possibilities in super-resolution have emerged, and we currently have models that successfully generate near-photorealistic high-resolution images from their low-resolution observations. Up…

Computer Vision and Pattern Recognition · Computer Science 2019-05-03 Eduardo Pérez-Pellitero , Mehdi S. M. Sajjadi , Michael Hirsch , Bernhard Schölkopf

Although a video is effectively a sequence of images, visual perception systems typically model images and videos separately, thus failing to exploit the correlation and the synergy provided by these two media. While a few prior research…

Computer Vision and Pattern Recognition · Computer Science 2019-06-13 Yufei Wang , Du Tran , Lorenzo Torresani

Video anomaly detection is a challenging task in the computer vision community. Most single task-based methods do not consider the independence of unique spatial and temporal patterns, while two-stream structures lack the exploration of the…

Computer Vision and Pattern Recognition · Computer Science 2022-07-28 Yang Liu , Jing Liu , Mengyang Zhao , Dingkang Yang , Xiaoguang Zhu , Liang Song

In recent years, video analysis tools for automatically extracting meaningful information from videos are widely studied and deployed. Because most of them use deep neural networks which are computationally expensive, feeding only a subset…

Computer Vision and Pattern Recognition · Computer Science 2020-02-05 Hanhan Li , Pin Wang

Video generation has achieved remarkable progress with the introduction of diffusion models, which have significantly improved the quality of generated videos. However, recent research has primarily focused on scaling up model training,…

Computer Vision and Pattern Recognition · Computer Science 2025-01-16 Chenyang Si , Weichen Fan , Zhengyao Lv , Ziqi Huang , Yu Qiao , Ziwei Liu

Most of the existing works in video synthesis focus on generating videos using adversarial learning. Despite their success, these methods often require input reference frame or fail to generate diverse videos from the given data…

Image and Video Processing · Electrical Eng. & Systems 2020-04-21 Abhishek Aich , Akash Gupta , Rameswar Panda , Rakib Hyder , M. Salman Asif , Amit K. Roy-Chowdhury

We introduce ReConvNet, a recurrent convolutional architecture for semi-supervised video object segmentation that is able to fast adapt its features to focus on any specific object of interest at inference time. Generalization to new…

Computer Vision and Pattern Recognition · Computer Science 2018-06-19 Francesco Lattari , Marco Ciccone , Matteo Matteucci , Jonathan Masci , Francesco Visin

We present Recurrent Video Masked-Autoencoders (RVM): a novel approach to video representation learning that leverages recurrent computation to model the temporal structure of video data. RVM couples an asymmetric masking objective with a…

Computer Vision and Pattern Recognition · Computer Science 2026-04-22 Daniel Zoran , Nikhil Parthasarathy , Yi Yang , Drew A Hudson , Joao Carreira , Andrew Zisserman