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Temporal consistency is critical in video prediction to ensure that outputs are coherent and free of artifacts. Traditional methods, such as temporal attention and 3D convolution, may struggle with significant object motion and may not…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Zihang Lai , Andrea Vedaldi

Semantic scene segmentation has primarily been addressed by forming representations of single images both with supervised and unsupervised methods. The problem of semantic segmentation in dynamic scenes has begun to recently receive…

Computer Vision and Pattern Recognition · Computer Science 2019-04-02 Li Ding , Jack Terwilliger , Rini Sherony , Bryan Reimer , Lex Fridman

Understanding temporal dynamics of video is an essential aspect of learning better video representations. Recently, transformer-based architectural designs have been extensively explored for video tasks due to their capability to capture…

Computer Vision and Pattern Recognition · Computer Science 2022-07-20 Sukmin Yun , Jaehyung Kim , Dongyoon Han , Hwanjun Song , Jung-Woo Ha , Jinwoo Shin

Instance segmentation with neural networks is an essential task in environment perception. In many works, it has been observed that neural networks can predict false positive instances with high confidence values and true positives with low…

Computer Vision and Pattern Recognition · Computer Science 2026-01-13 Kira Maag , Matthias Rottmann , Serin Varghese , Fabian Hueger , Peter Schlicht , Hanno Gottschalk

Aiming at the problem that the current video anomaly detection cannot fully use the temporal information and ignore the diversity of normal behavior, an anomaly detection method is proposed to integrate the spatiotemporal information of…

Computer Vision and Pattern Recognition · Computer Science 2022-11-29 Chao Hu , Liqiang Zhu

Few-shot video object segmentation (FS-VOS) aims at segmenting video frames using a few labelled examples of classes not seen during initial training. In this paper, we present a simple but effective temporal transductive inference (TTI)…

Computer Vision and Pattern Recognition · Computer Science 2023-07-18 Mennatullah Siam , Konstantinos G. Derpanis , Richard P. Wildes

Pixel-level Video Understanding requires effectively integrating three-dimensional data in both spatial and temporal dimensions to learn accurate and stable semantic information from continuous frames. However, existing advanced models on…

Computer Vision and Pattern Recognition · Computer Science 2024-06-10 Chen Liang , Qiang Guo , Chongkai Yu , Chengjing Wu , Ting Liu , Luoqi Liu

For semantic segmentation, most existing real-time deep models trained with each frame independently may produce inconsistent results for a video sequence. Advanced methods take into considerations the correlations in the video sequence,…

Computer Vision and Pattern Recognition · Computer Science 2020-07-20 Yifan Liu , Chunhua Shen , Changqian Yu , Jingdong Wang

Semantic segmentation in surgical videos has applications in intra-operative guidance, post-operative analytics and surgical education. Segmentation models need to provide accurate and consistent predictions since temporally inconsistent…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Maria Grammatikopoulou , Ricardo Sanchez-Matilla , Felix Bragman , David Owen , Lucy Culshaw , Karen Kerr , Danail Stoyanov , Imanol Luengo

In this paper, we address the challenge of generating temporally consistent videos with motion guidance. While many existing methods depend on additional control modules or inference-time fine-tuning, recent studies suggest that effective…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Xinyu Zhang , Zicheng Duan , Dong Gong , Lingqiao Liu

In recent years, significant progress has been made in video instance segmentation (VIS), with many offline and online methods achieving state-of-the-art performance. While offline methods have the advantage of producing temporally…

Computer Vision and Pattern Recognition · Computer Science 2023-09-22 Junlong Li , Bingyao Yu , Yongming Rao , Jie Zhou , Jiwen Lu

Understanding the steps required to perform a task is an important skill for AI systems. Learning these steps from instructional videos involves two subproblems: (i) identifying the temporal boundary of sequentially occurring segments and…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Anil Batra , Shreyank N Gowda , Frank Keller , Laura Sevilla-Lara

In this paper, we propose a spatial temporal video-text detection technique which proceed in two principal steps:potential text region detection and a filtering process. In the first step we divide dynamically each pair of consecutive video…

Multimedia · Computer Science 2013-01-11 Baseem Bouaziz , Tarek Zlitni , Walid Mahdi

We present a novel embedding approach for video instance segmentation. Our method learns a spatio-temporal embedding integrating cues from appearance, motion, and geometry; a 3D causal convolutional network models motion, and a monocular…

Computer Vision and Pattern Recognition · Computer Science 2019-12-20 Anthony Hu , Alex Kendall , Roberto Cipolla

Inspired by the observation that humans are able to process videos efficiently by only paying attention where and when it is needed, we propose an interpretable and easy plug-in spatial-temporal attention mechanism for video action…

Computer Vision and Pattern Recognition · Computer Science 2019-06-04 Lili Meng , Bo Zhao , Bo Chang , Gao Huang , Wei Sun , Frederich Tung , Leonid Sigal

While Video Instance Segmentation (VIS) has seen rapid progress, current approaches struggle to predict high-quality masks with accurate boundary details. Moreover, the predicted segmentations often fluctuate over time, suggesting that…

Computer Vision and Pattern Recognition · Computer Science 2022-07-29 Lei Ke , Henghui Ding , Martin Danelljan , Yu-Wing Tai , Chi-Keung Tang , Fisher Yu

The task of temporally grounding language queries in videos is to temporally localize the best matched video segment corresponding to a given language (sentence). It requires certain models to simultaneously perform visual and linguistic…

Computer Vision and Pattern Recognition · Computer Science 2019-12-19 Jingwen Wang , Lin Ma , Wenhao Jiang

We propose a novel approach to the action segmentation task for long, untrimmed videos, based on solving an optimal transport problem. By encoding a temporal consistency prior into a Gromov-Wasserstein problem, we are able to decode a…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Ming Xu , Stephen Gould

We segment moving objects in videos by ranking spatio-temporal segment proposals according to "moving objectness": how likely they are to contain a moving object. In each video frame, we compute segment proposals using multiple…

Computer Vision and Pattern Recognition · Computer Science 2015-05-11 Katerina Fragkiadaki , Pablo Arbelaez , Panna Felsen , Jitendra Malik

Video segmentation approaches are of great importance for numerous vision tasks especially in video manipulation for entertainment. Due to the challenges associated with acquiring high-quality per-frame segmentation annotations and large…

Computer Vision and Pattern Recognition · Computer Science 2020-10-27 Mingyang Qian , Yi Fu , Xiao Tan , Yingying Li , Jinqing Qi , Huchuan Lu , Shilei Wen , Errui Ding