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Deep convolutional neural networks (CNNs) for video denoising are typically trained with supervision, assuming the availability of clean videos. However, in many applications, such as microscopy, noiseless videos are not available. To…

Image and Video Processing · Electrical Eng. & Systems 2021-08-23 Dev Yashpal Sheth , Sreyas Mohan , Joshua L. Vincent , Ramon Manzorro , Peter A. Crozier , Mitesh M. Khapra , Eero P. Simoncelli , Carlos Fernandez-Granda

Consider a set of n images of a scene with dynamic objects captured with a static or a handheld camera. Let the temporal order in which these images are captured be unknown. There can be n! possibilities for the temporal order in which…

Computer Vision and Pattern Recognition · Computer Science 2020-10-23 Gagan Kanojia , Shanmuganathan Raman

We present a novel video generation framework that integrates 3-dimensional geometry and dynamic awareness. To achieve this, we augment 2D videos with 3D point trajectories and align them in pixel space. The resulting 3D-aware video…

Computer Vision and Pattern Recognition · Computer Science 2025-10-24 Yunuo Chen , Junli Cao , Vidit Goel , Sergei Korolev , Chenfanfu Jiang , Jian Ren , Sergey Tulyakov , Anil Kag

Deep convolutional neural networks (CNNs) have achieved remarkable results in image processing tasks. However, their high expression ability risks overfitting. Consequently, data augmentation techniques have been proposed to prevent…

Computer Vision and Pattern Recognition · Computer Science 2021-08-10 Ryo Takahashi , Takashi Matsubara , Kuniaki Uehara

Despite enjoying extensive applications in video analysis, three-dimensional convolutional neural networks (3D CNNs)are restricted by their massive computation and storage consumption. To solve this problem, we propose a threedimensional…

Machine Learning · Computer Science 2019-05-21 Yuxin Zhang , Huan Wang , Yang Luo , Lu Yu , Haoji Hu , Hangguan Shan , Tony Q. S. Quek

Large image diffusion models enable novel view synthesis with high quality and excellent zero-shot capability. However, such models based on image-to-image translation have no guarantee of view consistency, limiting the performance for…

Computer Vision and Pattern Recognition · Computer Science 2023-10-13 Haohan Weng , Tianyu Yang , Jianan Wang , Yu Li , Tong Zhang , C. L. Philip Chen , Lei Zhang

In this paper, we propose a deep convolutional neural network (CNN) for anomaly detection in surveillance videos. The model is adapted from a typical auto-encoder working on video patches under the perspective of sparse combination…

Computer Vision and Pattern Recognition · Computer Science 2019-08-20 Trong Nguyen Nguyen , Jean Meunier

Motivated by the previous success of Two-Dimensional Convolutional Neural Network (2D CNN) on image recognition, researchers endeavor to leverage it to characterize videos. However, one limitation of applying 2D CNN to analyze videos is…

Computer Vision and Pattern Recognition · Computer Science 2020-07-16 Junwu Weng , Donghao Luo , Yabiao Wang , Ying Tai , Chengjie Wang , Jilin Li , Feiyue Huang , Xudong Jiang , Junsong Yuan

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…

Computer Vision and Pattern Recognition · Computer Science 2021-11-23 Apoorva Beedu , Zhile Ren , Varun Agrawal , Irfan Essa

This work focuses on per-video unsupervised action segmentation, which is of interest to applications where storing large datasets is either not possible, or nor permitted. We propose to segment videos by learning in deep kernel space, to…

Computer Vision and Pattern Recognition · Computer Science 2026-04-24 Silvia L. Pintea , Jouke Dijkstra

Previous models for video captioning often use the output from a specific layer of a Convolutional Neural Network (CNN) as video features. However, the variable context-dependent semantics in the video may make it more appropriate to…

Computer Vision and Pattern Recognition · Computer Science 2017-11-20 Yunchen Pu , Martin Renqiang Min , Zhe Gan , Lawrence Carin

Temporally locating and classifying action segments in long untrimmed videos is of particular interest to many applications like surveillance and robotics. While traditional approaches follow a two-step pipeline, by generating frame-wise…

Computer Vision and Pattern Recognition · Computer Science 2019-04-03 Yazan Abu Farha , Juergen Gall

Multi-person pose understanding from RGB videos involves three complex tasks: pose estimation, tracking and motion forecasting. Intuitively, accurate multi-person pose estimation facilitates robust tracking, and robust tracking builds…

Computer Vision and Pattern Recognition · Computer Science 2023-09-14 Shihao Zou , Yuanlu Xu , Chao Li , Lingni Ma , Li Cheng , Minh Vo

This paper aims at providing insight on the transferability of deep CNN features to unsupervised problems. We study the impact of different pretrained CNN feature extractors on the problem of image set clustering for object classification…

Computer Vision and Pattern Recognition · Computer Science 2018-09-12 Joris Guérin , Olivier Gibaru , Stéphane Thiery , Eric Nyiri

Human actions in video sequences are three-dimensional (3D) spatio-temporal signals characterizing both the visual appearance and motion dynamics of the involved humans and objects. Inspired by the success of convolutional neural networks…

Computer Vision and Pattern Recognition · Computer Science 2015-10-05 Lin Sun , Kui Jia , Dit-Yan Yeung , Bertram E. Shi

Most action recognition solutions rely on dense sampling to precisely cover the informative temporal clip. Extensively searching temporal region is expensive for a real-world application. In this work, we focus on improving the inference…

Computer Vision and Pattern Recognition · Computer Science 2021-07-30 Chunhui Liu , Xinyu Li , Hao Chen , Davide Modolo , Joseph Tighe

We propose a supervised contrastive learning framework for video representation learning that leverages temporally global context. We introduce a video to image aggregation strategy that spatially arranges multiple frames from each video…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Shaif Chowdhury , Mushfika Rahman , Greg Hamerly

With the rapid development of deep learning algorithms, action recognition in video has achieved many important research results. One issue in action recognition, Zero-Shot Action Recognition (ZSAR), has recently attracted considerable…

Computer Vision and Pattern Recognition · Computer Science 2020-04-24 Dong Cao , Lisha Xu , HaiBo Chen

We propose a simple yet effective method to learn to segment new indoor scenes from video frames: State-of-the-art methods trained on one dataset, even as large as the SUNRGB-D dataset, can perform poorly when applied to images that are not…

Computer Vision and Pattern Recognition · Computer Science 2020-01-09 Sinisa Stekovic , Friedrich Fraundorfer , Vincent Lepetit

Event perception tasks such as recognizing and localizing actions in streaming videos are essential for scaling to real-world application contexts. We tackle the problem of learning actor-centered representations through the notion of…

Computer Vision and Pattern Recognition · Computer Science 2022-12-01 Sathyanarayanan N. Aakur , Sudeep Sarkar