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There is limited understanding of the information captured by deep spatiotemporal models in their intermediate representations. For example, while evidence suggests that action recognition algorithms are heavily influenced by visual…

Computer Vision and Pattern Recognition · Computer Science 2024-09-17 Matthew Kowal , Mennatullah Siam , Md Amirul Islam , Neil D. B. Bruce , Richard P. Wildes , Konstantinos G. Derpanis

Deep spatiotemporal models are used in a variety of computer vision tasks, such as action recognition and video object segmentation. Currently, there is a limited understanding of what information is captured by these models in their…

Computer Vision and Pattern Recognition · Computer Science 2022-06-08 Matthew Kowal , Mennatullah Siam , Md Amirul Islam , Neil D. B. Bruce , Richard P. Wildes , Konstantinos G. Derpanis

One of the fundamental representation learning tasks is unsupervised sequential disentanglement, where latent codes of inputs are decomposed to a single static factor and a sequence of dynamic factors. To extract this latent information,…

Machine Learning · Computer Science 2025-10-09 Nimrod Berman , Ilan Naiman , Idan Arbiv , Gal Fadlon , Omri Azencot

While stochastic video prediction models enable future prediction under uncertainty, they mostly fail to model the complex dynamics of real-world scenes. For example, they cannot provide reliable predictions for scenes with a moving camera…

Computer Vision and Pattern Recognition · Computer Science 2022-05-02 Adil Kaan Akan , Sadra Safadoust , Fatma Güney

Background subtraction has been a driving engine for many computer vision and video analytics tasks. Although its many variants exist, they all share the underlying assumption that photometric scene properties are either static or exhibit…

Computer Vision and Pattern Recognition · Computer Science 2009-10-16 P. M. Jodoin , V. Saligrama , J. Konrad

Human activities often occur in specific scene contexts, e.g., playing basketball on a basketball court. Training a model using existing video datasets thus inevitably captures and leverages such bias (instead of using the actual…

Computer Vision and Pattern Recognition · Computer Science 2019-12-12 Jinwoo Choi , Chen Gao , Joseph C. E. Messou , Jia-Bin Huang

In this paper, we address the issue of static bias in zero-shot action recognition. Action recognition models need to represent the action itself, not the appearance. However, some fully-supervised works show that models often rely on…

Computer Vision and Pattern Recognition · Computer Science 2025-01-23 Takumi Fukuzawa , Kensho Hara , Hirokatsu Kataoka , Toru Tamaki

Stance detection models may tend to rely on dataset bias in the text part as a shortcut and thus fail to sufficiently learn the interaction between the targets and texts. Recent debiasing methods usually treated features learned by small…

Computation and Language · Computer Science 2022-12-21 Jianhua Yuan , Yanyan Zhao , Bing Qin

We introduce a novel approach to dynamic obstacle avoidance based on Deep Reinforcement Learning by defining a traffic type independent environment with variable complexity. Filling a gap in the current literature, we thoroughly investigate…

Machine Learning · Computer Science 2021-12-30 Fabian Hart , Martin Waltz , Ostap Okhrin

We present a novel, training-free approach to scene change detection. Our method leverages tracking models, which inherently perform change detection between consecutive frames of video by identifying common objects and detecting new or…

Computer Vision and Pattern Recognition · Computer Science 2025-01-22 Kyusik Cho , Dong Yeop Kim , Euntai Kim

The open-set text recognition task is an emerging challenge that requires an extra capability to cognize novel characters during evaluation. We argue that a major cause of the limited performance for current methods is the confounding…

Computer Vision and Pattern Recognition · Computer Science 2022-04-13 Chang Liu , Chun Yang , Xu-Cheng Yin

Change detection has been a challenging visual task due to the dynamic nature of real-world scenes. Good performance of existing methods depends largely on prior background images or a long-term observation. These methods, however, suffer…

Computer Vision and Pattern Recognition · Computer Science 2018-11-21 Chao Chen , Sheng Zhang , Cuibing Du

Deep learning models have achieved state-of-the- art performance in recognizing human activities, but often rely on utilizing background cues present in typical computer vision datasets that predominantly have a stationary camera. If these…

Robotics · Computer Science 2017-09-20 Fahimeh Rezazadegan , Sareh Shirazi , Ben Upcroft , Michael Milford

Recent studies on pedestrian attribute recognition progress with either explicit or implicit modeling of the co-occurrence among attributes. Considering that this known a prior is highly variable and unforeseeable regarding the specific…

Computer Vision and Pattern Recognition · Computer Science 2023-07-31 Yibo Zhou , Hai-Miao Hu , Jinzuo Yu , Zhenbo Xu , Weiqing Lu , Yuran Cao

Real-time motion detection in non-stationary scenes is a difficult task due to dynamic background, changing foreground appearance and limited computational resource. These challenges degrade the performance of the existing methods in…

Computer Vision and Pattern Recognition · Computer Science 2018-11-22 Junjie Huang , Wei Zou , Zheng Zhu , Jiagang Zhu

Modern action recognition models suffer from static bias, leading to reduced generalization performance. In this paper, we propose MoExDA, a lightweight domain adaptation between RGB and edge information using edge frames in addition to RGB…

Computer Vision and Pattern Recognition · Computer Science 2025-08-06 Takuya Sugimoto , Ning Ding , Toru Tamaki

In video action recognition, shortcut static features can interfere with the learning of motion features, resulting in poor out-of-distribution (OOD) generalization. The video background is clearly a source of static bias, but the video…

Computer Vision and Pattern Recognition · Computer Science 2023-09-28 Haoxin Li , Yuan Liu , Hanwang Zhang , Boyang Li

Stance detection is an important component of understanding hidden influences in everyday life. Since there are thousands of potential topics to take a stance on, most with little to no training data, we focus on zero-shot stance detection:…

Computation and Language · Computer Science 2020-10-09 Emily Allaway , Kathleen McKeown

Referring video segmentation relies on natural language expressions to identify and segment objects, often emphasizing motion clues. Previous works treat a sentence as a whole and directly perform identification at the video-level, mixing…

Computer Vision and Pattern Recognition · Computer Science 2024-04-05 Shuting He , Henghui Ding

Existing methods to recognize actions in static images take the images at their face value, learning the appearances---objects, scenes, and body poses---that distinguish each action class. However, such models are deprived of the rich…

Computer Vision and Pattern Recognition · Computer Science 2018-05-31 Ruohan Gao , Bo Xiong , Kristen Grauman
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