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Effective spatiotemporal feature representation is crucial to the video-based action recognition task. Focusing on discriminate spatiotemporal feature learning, we propose Information Fused Temporal Transformation Network (IF-TTN) for…

计算机视觉与模式识别 · 计算机科学 2019-04-12 Ke Yang , Peng Qiao , Dongsheng Li , Yong Dou

Recently, learning-based models have enhanced the performance of single-image super-resolution (SISR). However, applying SISR successively to each video frame leads to a lack of temporal coherency. Convolutional neural networks (CNNs)…

计算机视觉与模式识别 · 计算机科学 2020-10-01 Aman Chadha , John Britto , M. Mani Roja

Arbitrary-scale video super-resolution (AVSR) aims to enhance the resolution of video frames, potentially at various scaling factors, which presents several challenges regarding spatial detail reproduction, temporal consistency, and…

计算机视觉与模式识别 · 计算机科学 2025-11-07 Wei Shang , Wanying Zhang , Shuhang Gu , Pengfei Zhu , Qinghua Hu , Dongwei Ren

Temporal action detection in long videos is an important problem. State-of-the-art methods address this problem by applying action classifiers on sliding windows. Although sliding windows may contain an identifiable portion of the actions,…

计算机视觉与模式识别 · 计算机科学 2017-05-04 Jiyang Gao , Zhenheng Yang , Ram Nevatia

Space-time video super-resolution (STVSR) is the task of interpolating videos with both Low Frame Rate (LFR) and Low Resolution (LR) to produce High-Frame-Rate (HFR) and also High-Resolution (HR) counterparts. The existing methods based on…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Zhicheng Geng , Luming Liang , Tianyu Ding , Ilya Zharkov

Real-world video deblurring in real time still remains a challenging task due to the complexity of spatially and temporally varying blur itself and the requirement of low computational cost. To improve the network efficiency, we adopt…

计算机视觉与模式识别 · 计算机科学 2022-10-18 Zhihang Zhong , Ye Gao , Yinqiang Zheng , Bo Zheng , Imari Sato

Video super-resolution (VSR), with the aim to restore a high-resolution video from its corresponding low-resolution version, is a spatial-temporal sequence prediction problem. Recently, Transformer has been gaining popularity due to its…

计算机视觉与模式识别 · 计算机科学 2023-07-06 Jiezhang Cao , Yawei Li , Kai Zhang , Luc Van Gool

Updating a truncated Singular Value Decomposition (SVD) is crucial in representation learning, especially when dealing with large-scale data matrices that continuously evolve in practical scenarios. Aligning SVD-based models with fast-paced…

数值分析 · 数学 2024-01-19 Haoran Deng , Yang Yang , Jiahe Li , Cheng Chen , Weihao Jiang , Shiliang Pu

With the advent of perceptual loss functions, new possibilities in super-resolution have emerged, and we currently have models that successfully generate near-photorealistic high-resolution images from their low-resolution observations. Up…

计算机视觉与模式识别 · 计算机科学 2019-05-03 Eduardo Pérez-Pellitero , Mehdi S. M. Sajjadi , Michael Hirsch , Bernhard Schölkopf

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

Existing methods for concealed visual perception (CVP) often leverage reversible strategies to decrease uncertainty, yet these are typically confined to the mask domain, leaving the potential of the RGB domain underexplored. To address…

计算机视觉与模式识别 · 计算机科学 2025-08-22 Chunming He , Fengyang Xiao , Rihan Zhang , Chengyu Fang , Deng-Ping Fan , Sina Farsiu

Text-to-video generation has demonstrated promising progress with the advent of diffusion models, yet existing approaches are limited by dataset quality and computational resources. To address these limitations, this paper presents a…

计算机视觉与模式识别 · 计算机科学 2025-03-10 Zhiyu Tan , Junyan Wang , Hao Yang , Luozheng Qin , Hesen Chen , Qiang Zhou , Hao Li

Optimizing video inference efficiency has become increasingly important with the growing demand for video analysis in various fields. Some existing methods achieve high efficiency by explicit discard of spatial or temporal information,…

计算机视觉与模式识别 · 计算机科学 2023-09-18 Rui Deng , Qian Wu , Yuke Li , Haoran Fu

One important task in the study of information cascade is to predict the future recipients of a message given its past spreading trajectory. While the network structure serves as the backbone of the spreading, an accurate prediction can…

社会与信息网络 · 计算机科学 2022-03-18 Yansong Wang , Xiaomeng Wang , Radosław Michalski , Yijun Ran , Tao Jia

Diffusion model (DM) based Video Super-Resolution (VSR) approaches achieve impressive perceptual quality. However, they suffer from error accumulation, spatial artifacts, and a trade-off between perceptual quality and fidelity, primarily…

计算机视觉与模式识别 · 计算机科学 2026-03-30 Jingyi Xu , Meisong Zheng , Ying Chen , Minglang Qiao , Xin Deng , Mai Xu

Applying an image processing algorithm independently to each video frame often leads to temporal inconsistency in the resulting video. To address this issue, we present a novel and general approach for blind video temporal consistency. Our…

计算机视觉与模式识别 · 计算机科学 2022-01-28 Chenyang Lei , Yazhou Xing , Hao Ouyang , Qifeng Chen

In this paper, we introduce Coarse-Fine Networks, a two-stream architecture which benefits from different abstractions of temporal resolution to learn better video representations for long-term motion. Traditional Video models process…

计算机视觉与模式识别 · 计算机科学 2021-04-02 Kumara Kahatapitiya , Michael S. Ryoo

In the task of emotion recognition from videos, a key improvement has been to focus on emotions over time rather than a single frame. There are many architectures to address this task such as GRUs, LSTMs, Self-Attention, Transformers, and…

计算机视觉与模式识别 · 计算机科学 2024-01-09 Alexander Mehta , William Yang

The large amount of videos popping up every day, make it more and more critical that key information within videos can be extracted and understood in a very short time. Video summarization, the task of finding the smallest subset of frames,…

计算机视觉与模式识别 · 计算机科学 2019-09-17 Yujia Zhang , Michael Kampffmeyer , Xiaodan Liang , Dingwen Zhang , Min Tan , Eric P. Xing

In video super-resolution, the spatio-temporal coherence between, and among the frames must be exploited appropriately for accurate prediction of the high resolution frames. Although 2D convolutional neural networks (CNNs) are powerful in…

计算机视觉与模式识别 · 计算机科学 2019-06-21 Soo Ye Kim , Jeongyeon Lim , Taeyoung Na , Munchurl Kim