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Effective extraction of temporal patterns is crucial for the recognition of temporally varying actions in video. We argue that the fixed-sized spatio-temporal convolution kernels used in convolutional neural networks (CNNs) can be improved…

计算机视觉与模式识别 · 计算机科学 2021-04-01 Alexandros Stergiou , Ronald Poppe

Recent advances of deep learning lead to great success of image and video super-resolution (SR) methods that are based on convolutional neural networks (CNN). For video SR, advanced algorithms have been proposed to exploit the temporal…

计算机视觉与模式识别 · 计算机科学 2020-03-16 Haochen Zhang , Dong Liu , Zhiwei Xiong

Video snapshot compressive imaging (SCI) captures multiple sequential video frames by a single measurement using the idea of computational imaging. The underlying principle is to modulate high-speed frames through different masks and these…

图像与视频处理 · 电气工程与系统科学 2022-09-09 Lishun Wang , Miao Cao , Yong Zhong , Xin Yuan

Deep convolutional networks have achieved great success for image recognition. However, for action recognition in videos, their advantage over traditional methods is not so evident. We present a general and flexible video-level framework…

计算机视觉与模式识别 · 计算机科学 2017-05-09 Limin Wang , Yuanjun Xiong , Zhe Wang , Yu Qiao , Dahua Lin , Xiaoou Tang , Luc Van Gool

In this paper, we study a practical space-time video super-resolution (STVSR) problem which aims at generating a high-framerate high-resolution sharp video from a low-framerate low-resolution blurry video. Such problem often occurs when…

计算机视觉与模式识别 · 计算机科学 2022-07-25 Jiezhang Cao , Jingyun Liang , Kai Zhang , Wenguan Wang , Qin Wang , Yulun Zhang , Hao Tang , Luc Van Gool

Recent years have seen considerable research activities devoted to video enhancement that simultaneously increases temporal frame rate and spatial resolution. However, the existing methods either fail to explore the intrinsic relationship…

计算机视觉与模式识别 · 计算机科学 2021-09-02 Zhihao Shi , Xiaohong Liu , Chengqi Li , Linhui Dai , Jun Chen , Timothy N. Davidson , Jiying Zhao

Space-time video super-resolution (STVSR) aims to construct a high space-time resolution video sequence from the corresponding low-frame-rate, low-resolution video sequence. Inspired by the recent success to consider spatial-temporal…

计算机视觉与模式识别 · 计算机科学 2021-12-01 Chenyu You , Lianyi Han , Aosong Feng , Ruihan Zhao , Hui Tang , Wei Fan

We introduce Spatial-Temporal Memory Networks for video object detection. At its core, a novel Spatial-Temporal Memory module (STMM) serves as the recurrent computation unit to model long-term temporal appearance and motion dynamics. The…

计算机视觉与模式识别 · 计算机科学 2018-07-30 Fanyi Xiao , Yong Jae Lee

The explosive growth in video streaming requires video understanding at high accuracy and low computation cost. Conventional 2D CNNs are computationally cheap but cannot capture temporal relationships; 3D CNN-based methods can achieve good…

计算机视觉与模式识别 · 计算机科学 2021-09-28 Ji Lin , Chuang Gan , Kuan Wang , Song Han

To fit diverse display and bandwidth constraints, high-frame-rate videos are temporally downscaled to low-frame-rate (LFR) and later upscaled, requiring joint optimization for effective frame-rate rescaling. However, existing methods…

图像与视频处理 · 电气工程与系统科学 2026-05-18 Xinmin Feng , Li Li , Dong Liu , Feng Wu

Text-Video retrieval is a task of great practical value and has received increasing attention, among which learning spatial-temporal video representation is one of the research hotspots. The video encoders in the state-of-the-art video…

计算机视觉与模式识别 · 计算机科学 2022-07-19 Yuqi Liu , Pengfei Xiong , Luhui Xu , Shengming Cao , Qin Jin

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

Temporal convolutional networks (TCNs) are a commonly used architecture for temporal video segmentation. TCNs however, tend to suffer from over-segmentation errors and require additional refinement modules to ensure smoothness and temporal…

计算机视觉与模式识别 · 计算机科学 2021-05-25 Dipika Singhania , Rahul Rahaman , Angela Yao

Video super-resolution plays an important role in surveillance video analysis and ultra-high-definition video display, which has drawn much attention in both the research and industrial communities. Although many deep learning-based VSR…

图像与视频处理 · 电气工程与系统科学 2020-08-21 Takashi Isobe , Fang Zhu , Xu Jia , Shengjin Wang

Ultrasound video-based breast lesion segmentation provides a valuable assistance in early breast lesion detection and treatment. However, existing works mainly focus on lesion segmentation based on ultrasound breast images which usually can…

图像与视频处理 · 电气工程与系统科学 2024-03-19 Zhengzheng Tu , Zigang Zhu , Yayang Duan , Bo Jiang , Qishun Wang , Chaoxue Zhang

Aiming at the problem that the spatial-temporal hierarchical continuous sign language recognition model based on deep learning has a large amount of computation, which limits the real-time application of the model, this paper proposes a…

计算机视觉与模式识别 · 计算机科学 2022-07-05 Qidan Zhu , Jing Li , Fei Yuan , Quan Gan

We consider two less-emphasized temporal properties of video: 1. Temporal cues are fine-grained; 2. Temporal modeling needs reasoning. To tackle both problems at once, we exploit approximated bilinear modules (ABMs) for temporal modeling.…

计算机视觉与模式识别 · 计算机科学 2020-07-28 Xinqi Zhu , Chang Xu , Langwen Hui , Cewu Lu , Dacheng Tao

Video shadow detection confronts two entwined difficulties: distinguishing shadows from complex backgrounds and modeling dynamic shadow deformations under varying illumination. To address shadow-background ambiguity, we leverage linguistic…

计算机视觉与模式识别 · 计算机科学 2025-11-11 Zhicheng Li , Kunyang Sun , Rui Yao , Hancheng Zhu , Fuyuan Hu , Jiaqi Zhao , Zhiwen Shao , Yong Zhou

Recent efforts have witnessed remarkable progress in Satellite Video Super-Resolution (SVSR). However, most SVSR methods usually assume the degradation is fixed and known, e.g., bicubic downsampling, which makes them vulnerable in…

计算机视觉与模式识别 · 计算机科学 2024-01-17 Yi Xiao , Qiangqiang Yuan , Qiang Zhang , Liangpei Zhang

While prior methods in Continuous Spatial-Temporal Video Super-Resolution (C-STVSR) employ Implicit Neural Representation (INR) for continuous encoding, they often struggle to capture the complexity of video data, relying on simple…

计算机视觉与模式识别 · 计算机科学 2025-03-26 Eunjin Kim , Hyeonjin Kim , Kyong Hwan Jin , Jaejun Yoo