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Although many video prediction methods have obtained good performance in low-resolution (64$\sim$128) videos, predictive models for high-resolution (512$\sim$4K) videos have not been fully explored yet, which are more meaningful due to the…

计算机视觉与模式识别 · 计算机科学 2022-03-31 Zheng Chang , Xinfeng Zhang , Shanshe Wang , Siwei Ma , Wen Gao

Spatio-temporal graph neural networks have proven efficacy in capturing complex dependencies for urban computing tasks such as forecasting and kriging. Yet, their performance is constrained by the reliance on extensive data for training on…

机器学习 · 计算机科学 2024-11-08 Junfeng Hu , Xu Liu , Zhencheng Fan , Yifang Yin , Shili Xiang , Savitha Ramasamy , Roger Zimmermann

Dynamic scene graph generation aims at generating a scene graph of the given video. Compared to the task of scene graph generation from images, it is more challenging because of the dynamic relationships between objects and the temporal…

计算机视觉与模式识别 · 计算机科学 2021-08-10 Yuren Cong , Wentong Liao , Hanno Ackermann , Bodo Rosenhahn , Michael Ying Yang

We tackle the problem of person re-identification in video setting in this paper, which has been viewed as a crucial task in many applications. Meanwhile, it is very challenging since the task requires learning effective representations…

计算机视觉与模式识别 · 计算机科学 2018-07-17 Xinxing Su , Yingtian Zou , Yu Cheng , Shuangjie Xu , Mo Yu , Pan Zhou

This paper presents a novel method to involve both spatial and temporal features for semantic video segmentation. Current work on convolutional neural networks(CNNs) has shown that CNNs provide advanced spatial features supporting a very…

计算机视觉与模式识别 · 计算机科学 2016-09-05 Mohsen Fayyaz , Mohammad Hajizadeh Saffar , Mohammad Sabokrou , Mahmood Fathy , Reinhard Klette , Fay Huang

Spiking Neural Networks (SNNs) are considered naturally suited for temporal processing, with membrane potential propagation widely regarded as the core temporal modeling mechanism. However, existing research lack analysis of its actual…

神经与进化计算 · 计算机科学 2025-12-08 Yiting Dong , Zhaofei Yu , Jianhao Ding , Zijie Xu , Tiejun Huang

Video deblurring is a challenging task due to the spatially variant blur caused by camera shake, object motions, and depth variations, etc. Existing methods usually estimate optical flow in the blurry video to align consecutive frames or…

计算机视觉与模式识别 · 计算机科学 2019-08-02 Shangchen Zhou , Jiawei Zhang , Jinshan Pan , Haozhe Xie , Wangmeng Zuo , Jimmy Ren

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…

计算机视觉与模式识别 · 计算机科学 2017-04-11 Jose Caballero , Christian Ledig , Andrew Aitken , Alejandro Acosta , Johannes Totz , Zehan Wang , Wenzhe Shi

The resurgence of convolutional neural networks (CNNs) in visual recognition tasks, exemplified by ConvNeXt, has demonstrated their capability to rival transformer-based architectures through advanced training methodologies and ViT-inspired…

计算机视觉与模式识别 · 计算机科学 2025-07-16 Quan Bi Pay , Vishnu Monn Baskaran , Junn Yong Loo , KokSheik Wong , Simon See

Video deraining is an important task in computer vision as the unwanted rain hampers the visibility of videos and deteriorates the robustness of most outdoor vision systems. Despite the significant success which has been achieved for video…

计算机视觉与模式识别 · 计算机科学 2022-01-21 Kaihao Zhang , Dongxu Li , Wenhan Luo , Wenqi Ren , Wei Liu

The target of space-time video super-resolution (STVSR) is to increase the spatial-temporal resolution of low-resolution (LR) and low frame rate (LFR) videos. Recent approaches based on deep learning have made significant improvements, but…

计算机视觉与模式识别 · 计算机科学 2025-09-12 Hai Wang , Xiaoyu Xiang , Yapeng Tian , Wenming Yang , Qingmin Liao

Despite the significant progress made by deep learning in natural image matting, there has been so far no representative work on deep learning for video matting due to the inherent technical challenges in reasoning temporal domain and lack…

计算机视觉与模式识别 · 计算机科学 2021-04-23 Yanan Sun , Guanzhi Wang , Qiao Gu , Chi-Keung Tang , Yu-Wing Tai

This paper presents a deep learning framework for medical video segmentation. Convolution neural network (CNN) and transformer-based methods have achieved great milestones in medical image segmentation tasks due to their incredible semantic…

计算机视觉与模式识别 · 计算机科学 2024-02-13 Chengxi Zeng , Xinyu Yang , David Smithard , Majid Mirmehdi , Alberto M Gambaruto , Tilo Burghardt

Compared with artificial neural networks (ANNs), spiking neural networks (SNNs) are promising to explore the brain-like behaviors since the spikes could encode more spatio-temporal information. Although pre-training from ANN or direct…

神经与进化计算 · 计算机科学 2018-09-18 Yujie Wu , Lei Deng , Guoqi Li , Jun Zhu , Luping Shi

Video transformers have achieved impressive results on major video recognition benchmarks, which however suffer from high computational cost. In this paper, we present STTS, a token selection framework that dynamically selects a few…

计算机视觉与模式识别 · 计算机科学 2022-07-19 Junke Wang , Xitong Yang , Hengduo Li , Li Liu , Zuxuan Wu , Yu-Gang Jiang

Video frame interpolation (VFI) is currently a very active research topic, with applications spanning computer vision, post production and video encoding. VFI can be extremely challenging, particularly in sequences containing large motions,…

计算机视觉与模式识别 · 计算机科学 2024-11-22 Duolikun Danier , Fan Zhang , David Bull

Video large language models (LLMs) achieve strong video understanding by leveraging a large number of spatio-temporal tokens, but suffer from quadratic computational scaling with token count. To address this, we propose a training-free…

计算机视觉与模式识别 · 计算机科学 2025-07-11 Jeongseok Hyun , Sukjun Hwang , Su Ho Han , Taeoh Kim , Inwoong Lee , Dongyoon Wee , Joon-Young Lee , Seon Joo Kim , Minho Shim

Demystifying the delay propagation mechanisms among multiple airports is fundamental to precise and interpretable delay prediction, which is crucial during decision-making for all aviation industry stakeholders. The principal challenge lies…

机器学习 · 计算机科学 2022-07-15 Yuankai Wu , Hongyu Yang , Yi Lin , Hong Liu

Token pruning is essential for enhancing the computational efficiency of vision-language models (VLMs), particularly for video-based tasks where temporal redundancy is prevalent. Prior approaches typically prune tokens either (1) within the…

计算机视觉与模式识别 · 计算机科学 2026-03-19 Jianrui Zhang , Yue Yang , Rohun Tripathi , Winson Han , Ranjay Krishna , Christopher Clark , Yong Jae Lee , Sangho Lee

Depth super-resolution has achieved impressive performance, and the incorporation of multi-frame information further enhances reconstruction quality. Nevertheless, statistical analyses reveal that video depth super-resolution remains…

计算机视觉与模式识别 · 计算机科学 2025-11-12 Zhengxue Wang , Yuan Wu , Xiang Li , Zhiqiang Yan , Jian Yang