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The motion of picking up and placing an object in 3D space is full of subtle detail. Typically these motions are formed from the same constraints, optimizing for swiftness, energy efficiency, as well as physiological limits. Yet, even for…

Computer Vision and Pattern Recognition · Computer Science 2020-10-07 Connor Daly , Yuzuko Nakamura , Tobias Ritschel

Most videos, including those captured through aerial remote sensing, are usually non-stationary in nature having time-varying feature statistics. Although, sophisticated reconstruction and prediction models exist for video anomaly…

Computer Vision and Pattern Recognition · Computer Science 2025-03-05 Gargi V. Pillai , Debashis Sen

Creating and labelling datasets of videos for use in training Human Activity Recognition models is an arduous task. In this paper, we approach this by using 3D rendering tools to generate a synthetic dataset of videos, and show that a…

Computer Vision and Pattern Recognition · Computer Science 2020-07-23 Ollie Matthews , Koki Ryu , Tarun Srivastava

Realistic fake videos are a potential tool for spreading harmful misinformation given our increasing online presence and information intake. This paper presents a multimodal learning-based method for detection of real and fake videos. The…

Computer Vision and Pattern Recognition · Computer Science 2022-07-19 Kalin Stefanov , Bhawna Paliwal , Abhinav Dhall

Novel view synthesis from an in-the-wild video is difficult due to challenges like scene dynamics and lack of parallax. While existing methods have shown promising results with implicit neural radiance fields, they are slow to train and…

Computer Vision and Pattern Recognition · Computer Science 2024-07-22 Yao-Chih Lee , Zhoutong Zhang , Kevin Blackburn-Matzen , Simon Niklaus , Jianming Zhang , Jia-Bin Huang , Feng Liu

This paper explores visual motion-based invariants, resulting in a new instantaneous domain where: a) the stationary environment is perceived as unchanged, even as the 2D images undergo continuous changes due to camera motion, b) obstacles…

Computer Vision and Pattern Recognition · Computer Science 2023-11-21 Juan D. Yepes , Daniel Raviv

We analyze human poses and motion by introducing three sequences of easily calculated surface descriptors that are invariant under reparametrizations and Euclidean transformations. These descriptors are obtained by associating to each…

Computational Geometry · Computer Science 2021-11-30 Emery Pierson , Juan-Carlos Alvarez Paiva , Mohamed Daoudi

Current state-of-the-art approaches to video understanding adopt temporal jittering to simulate analyzing the video at varying frame rates. However, this does not work well for multirate videos, in which actions or subactions occur at…

Computer Vision and Pattern Recognition · Computer Science 2018-10-31 Yi Zhu , Shawn Newsam

In this paper we introduce a novel Depth-Aware Video Saliency approach to predict human focus of attention when viewing RGBD videos on regular 2D screens. We train a generative convolutional neural network which predicts a saliency map for…

Computer Vision and Pattern Recognition · Computer Science 2016-03-14 G. Leifman , D. Rudoy , T. Swedish , E. Bayro-Corrochano , R. Raskar

In this paper, we study an important yet less explored aspect in video detection and tracking -- stability. Surprisingly, there is no prior work that tried to study it. As a result, we start our work by proposing a novel evaluation metric…

Computer Vision and Pattern Recognition · Computer Science 2017-04-05 Hong Zhang , Naiyan Wang

This paper addresses the problem of estimating and tracking human body keypoints in complex, multi-person video. We propose an extremely lightweight yet highly effective approach that builds upon the latest advancements in human detection…

Computer Vision and Pattern Recognition · Computer Science 2018-05-04 Rohit Girdhar , Georgia Gkioxari , Lorenzo Torresani , Manohar Paluri , Du Tran

In this paper, we propose a novel method for video moment retrieval (VMR) that achieves state of the arts (SOTA) performance on R@1 metrics and surpassing the SOTA on the high IoU metric (R@1, IoU=0.7). First, we propose to use a multi-head…

Computer Vision and Pattern Recognition · Computer Science 2020-09-11 Xinli Yu , Mohsen Malmir , Cynthia He , Yue Liu , Rex Wu

When interacting in a three dimensional world, humans must estimate 3D structure from visual inputs projected down to two dimensional retinal images. It has been shown that humans use the persistence of object shape over motion-induced…

Neurons and Cognition · Quantitative Biology 2023-04-03 Marissa Connor , Bruno Olshausen , Christopher Rozell

Recent progress in robot learning has been driven by large-scale datasets and powerful visuomotor policy architectures, yet policy robustness remains limited by the substantial cost of collecting diverse demonstrations, particularly for…

Robotics · Computer Science 2026-03-24 Yujie Zhao , Hongwei Fan , Di Chen , Shengcong Chen , Liliang Chen , Xiaoqi Li , Guanghui Ren , Hao Dong

We introduce a simple and effective method for retrieval of videos showing a specific event, even when the videos of that event were captured from significantly different viewpoints. Appearance-based methods fail in such cases, as…

Computer Vision and Pattern Recognition · Computer Science 2017-01-05 Gil Ben-Artzi , Michael Werman , Shmuel Peleg

This paper offers a comprehensive analysis of recent advancements in video inpainting techniques, a critical subset of computer vision and artificial intelligence. As a process that restores or fills in missing or corrupted portions of…

Computer Vision and Pattern Recognition · Computer Science 2024-02-01 Shreyank N Gowda , Yash Thakre , Shashank Narayana Gowda , Xiaobo Jin

We introduce a class of causal video understanding models that aims to improve efficiency of video processing by maximising throughput, minimising latency, and reducing the number of clock cycles. Leveraging operation pipelining and…

Computer Vision and Pattern Recognition · Computer Science 2018-09-06 Joao Carreira , Viorica Patraucean , Laurent Mazare , Andrew Zisserman , Simon Osindero

Functional data analysis is ubiquitous in most areas of sciences and engineering. Several paradigms are proposed to deal with the dimensionality problem which is inherent to this type of data. Sparseness, penalization, thresholding, among…

Methodology · Statistics 2018-09-05 Rodney V. Fonseca , Aluísio Pinheiro

One significant factor we expect the video representation learning to capture, especially in contrast with the image representation learning, is the object motion. However, we found that in the current mainstream video datasets, some action…

Computer Vision and Pattern Recognition · Computer Science 2020-12-17 Jinpeng Wang , Yuting Gao , Ke Li , Jianguo Hu , Xinyang Jiang , Xiaowei Guo , Rongrong Ji , Xing Sun

We present a generative method to estimate 3D human motion and body shape from monocular video. Under the assumption that starting from an initial pose optical flow constrains subsequent human motion, we exploit flow to find temporally…

Computer Vision and Pattern Recognition · Computer Science 2017-03-22 Thiemo Alldieck , Marc Kassubeck , Marcus Magnor