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Effective and Efficient spatio-temporal modeling is essential for action recognition. Existing methods suffer from the trade-off between model performance and model complexity. In this paper, we present a novel Spatio-Temporal Hybrid…

计算机视觉与模式识别 · 计算机科学 2020-03-19 Xu Li , Jingwen Wang , Lin Ma , Kaihao Zhang , Fengzong Lian , Zhanhui Kang , Jinjun Wang

Humans perceive and understand real-world spaces through a stream of visual observations. Therefore, the ability to streamingly maintain and update spatial evidence from potentially unbounded video streams is essential for spatial…

计算机视觉与模式识别 · 计算机科学 2026-03-13 Fangfu Liu , Diankun Wu , Jiawei Chi , Yimo Cai , Yi-Hsin Hung , Xumin Yu , Hao Li , Han Hu , Yongming Rao , Yueqi Duan

High level understanding of sequential visual input is important for safe and stable autonomy, especially in localization and object detection. While traditional object classification and tracking approaches are specifically designed to…

计算机视觉与模式识别 · 计算机科学 2017-07-25 Mo Shan , Nikolay Atanasov

During and after a course of therapy, imaging is routinely used to monitor the disease progression and assess the treatment responses. Despite of its significance, reliably capturing and predicting the spatial-temporal anatomic changes from…

图像与视频处理 · 电气工程与系统科学 2024-10-28 Liang Qiu , Liyue Shen , Lianli Liu , Junyan Liu , Yizheng Chen , Lei Xing

Spatiotemporal prediction over graphs (STPG) is challenging, because real-world data suffers from the Out-of-Distribution (OOD) generalization problem, where test data follow different distributions from training ones. To address this…

机器学习 · 计算机科学 2025-01-03 Zhaobin Mo , Haotian Xiang , Xuan Di

It is challenging to annotate large-scale datasets for supervised video shadow detection methods. Using a model trained on labeled images to the video frames directly may lead to high generalization error and temporal inconsistent results.…

计算机视觉与模式识别 · 计算机科学 2022-06-20 Xiao Lu , Yihong Cao , Sheng Liu , Chengjiang Long , Zipei Chen , Xuanyu Zhou , Yimin Yang , Chunxia Xiao

Traffic forecasting in cellular networks is a challenging spatiotemporal prediction problem due to strong temporal dependencies, spatial heterogeneity across cells, and the need for scalability to large network deployments. Traditional…

机器学习 · 计算机科学 2026-03-16 Zineddine Bettouche , Khalid Ali , Andreas Fischer , Andreas Kassler

Video Large Language Models (Video LLMs) incur high inference latency due to a large number of visual tokens provided to LLMs. To address this, training-free visual token pruning has emerged as a solution to reduce computational costs;…

机器学习 · 计算机科学 2026-04-24 Kibum Kim , Jiwan Kim , Kyle Min , Yueqi Wang , Jinyoung Moon , Julian McAuley , Chanyoung Park

The pursuit of higher compression efficiency continuously drives the advances of video coding technologies. Fundamentally, we wish to find better "predictions" or "priors" that are reconstructed previously to remove the signal dependency…

图像与视频处理 · 电气工程与系统科学 2019-02-22 Haojie Liu , Tong Chen , Ming Lu , Qiu Shen , Zhan Ma

We propose an approach to learn spatio-temporal features in videos from intermediate visual representations we call "percepts" using Gated-Recurrent-Unit Recurrent Networks (GRUs).Our method relies on percepts that are extracted from all…

计算机视觉与模式识别 · 计算机科学 2016-03-02 Nicolas Ballas , Li Yao , Chris Pal , Aaron Courville

Referring Video Object Segmentation (RVOS) aims to segment target objects in videos based on natural language descriptions. However, fixed keyframe-based approaches that couple a vision language model with a separate propagation module…

计算机视觉与模式识别 · 计算机科学 2026-03-31 Jihwan Hong , Jaeyoung Do

We present STanHop-Net (Sparse Tandem Hopfield Network) for multivariate time series prediction with memory-enhanced capabilities. At the heart of our approach is STanHop, a novel Hopfield-based neural network block, which sparsely learns…

机器学习 · 计算机科学 2024-01-01 Dennis Wu , Jerry Yao-Chieh Hu , Weijian Li , Bo-Yu Chen , Han Liu

Spiking Neural Networks (SNNs), as one of the algorithmic models in neuromorphic computing, have gained a great deal of research attention owing to temporal information processing capability, low power consumption, and high biological…

神经与进化计算 · 计算机科学 2023-06-07 Chengting Yu , Zheming Gu , Da Li , Gaoang Wang , Aili Wang , Erping Li

Human perception is at the core of lossy video compression, with numerous approaches developed for perceptual quality assessment and improvement over the past two decades. In the determination of perceptual quality, different…

图像与视频处理 · 电气工程与系统科学 2023-04-11 Evgenya Pergament , Pulkit Tandon , Oren Rippel , Lubomir Bourdev , Alexander G. Anderson , Bruno Olshausen , Tsachy Weissman , Sachin Katti , Kedar Tatwawadi

For neural video codec, it is critical, yet challenging, to design an efficient entropy model which can accurately predict the probability distribution of the quantized latent representation. However, most existing video codecs directly use…

图像与视频处理 · 电气工程与系统科学 2022-07-14 Jiahao Li , Bin Li , Yan Lu

Spatio-temporal graph neural networks (STGNNs) have gained popularity as a powerful tool for effectively modeling spatio-temporal dependencies in diverse real-world urban applications, including intelligent transportation and public safety.…

机器学习 · 计算机科学 2023-10-27 Jiabin Tang , Lianghao Xia , Chao Huang

Although spatio-temporal graph neural networks have achieved great empirical success in handling multiple correlated time series, they may be impractical in some real-world scenarios due to a lack of sufficient high-quality training data.…

信号处理 · 电气工程与系统科学 2021-02-10 Chao Pan , Siheng Chen , Antonio Ortega

Video streaming applications have newly attracted a large number of participants in a distribution network. Traditional client-server based video streaming solutions sustain precious bandwidth provision rate on the server. Recently, several…

分布式、并行与集群计算 · 计算机科学 2011-05-31 Suresh Jaganathan , Jeevan Eranti

Spatio-temporal graphs such as traffic networks or gene regulatory systems present challenges for the existing deep learning methods due to the complexity of structural changes over time. To address these issues, we introduce…

机器学习 · 计算机科学 2019-04-15 Felix L. Opolka , Aaron Solomon , Cătălina Cangea , Petar Veličković , Pietro Liò , R Devon Hjelm

Understanding the thickness and variability of internal ice layers in radar imagery is crucial for monitoring snow accumulation, assessing ice dynamics, and reducing uncertainties in climate models. Radar sensors, capable of penetrating…

机器学习 · 计算机科学 2025-10-30 Zesheng Liu , Maryam Rahnemoonfar