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Learning to localize actions in long, cluttered, and untrimmed videos is a hard task, that in the literature has typically been addressed assuming the availability of large amounts of annotated training samples for each class -- either in a…

计算机视觉与模式识别 · 计算机科学 2021-09-24 Ting-Ting Xie , Christos Tzelepis , Fan Fu , Ioannis Patras

Existing methods for instance segmentation in videos typically involve multi-stage pipelines that follow the tracking-by-detection paradigm and model a video clip as a sequence of images. Multiple networks are used to detect objects in…

计算机视觉与模式识别 · 计算机科学 2023-09-04 Ali Athar , Sabarinath Mahadevan , Aljoša Ošep , Laura Leal-Taixé , Bastian Leibe

Learning actions from human demonstration video is promising for intelligent robotic systems. Extracting the exact section and re-observing the extracted video section in detail is important for imitating complex skills because human…

计算机视觉与模式识别 · 计算机科学 2021-01-14 Iori Yanokura , Naoki Wake , Kazuhiro Sasabuchi , Katsushi Ikeuchi , Masayuki Inaba

Modern video summarization methods are based on deep neural networks that require a large amount of annotated data for training. However, existing datasets for video summarization are small-scale, easily leading to over-fitting of the deep…

计算机视觉与模式识别 · 计算机科学 2022-10-20 Li Haopeng , Ke Qiuhong , Gong Mingming , Tom Drummond

In the world of action recognition research, one primary focus has been on how to construct and train networks to model the spatial-temporal volume of an input video. These methods typically uniformly sample a segment of an input clip…

计算机视觉与模式识别 · 计算机科学 2020-12-16 Xinyu Li , Chunhui Liu , Bing Shuai , Yi Zhu , Hao Chen , Joseph Tighe

We address the challenging task of video-based person re-identification. Recent works have shown that splitting the video sequences into clips and then aggregating clip based similarity is appropriate for the task. We show that using a…

计算机视觉与模式识别 · 计算机科学 2019-10-18 Neeraj Matiyali , Gaurav Sharma

Multi-label multi-view action recognition aims to recognize multiple concurrent or sequential actions from untrimmed videos captured by multiple cameras. Existing work has focused on multi-view action recognition in a narrow area with…

计算机视觉与模式识别 · 计算机科学 2024-10-21 Trung Thanh Nguyen , Yasutomo Kawanishi , Takahiro Komamizu , Ichiro Ide

We present a multiview pseudo-labeling approach to video learning, a novel framework that uses complementary views in the form of appearance and motion information for semi-supervised learning in video. The complementary views help obtain…

计算机视觉与模式识别 · 计算机科学 2021-04-02 Bo Xiong , Haoqi Fan , Kristen Grauman , Christoph Feichtenhofer

Video-aided grammar induction aims to leverage video information for finding more accurate syntactic grammars for accompanying text. While previous work focuses on building systems for inducing grammars on text that are well-aligned with…

计算与语言 · 计算机科学 2022-10-25 Songyang Zhang , Linfeng Song , Lifeng Jin , Haitao Mi , Kun Xu , Dong Yu , Jiebo Luo

Learning with neural networks from a continuous stream of visual information presents several challenges due to the non-i.i.d. nature of the data. However, it also offers novel opportunities to develop representations that are consistent…

计算机视觉与模式识别 · 计算机科学 2024-09-19 Simone Marullo , Matteo Tiezzi , Marco Gori , Stefano Melacci

Multimodal ML models can process data in multiple modalities (e.g., video, images, audio, text) and are useful for video content analysis in a variety of problems (e.g., object detection, scene understanding). In this paper, we focus on the…

计算机视觉与模式识别 · 计算机科学 2020-06-09 Palash Goyal , Saurabh Sahu , Shalini Ghosh , Chul Lee

Despite the rapid progress of instruction-based image editing, its extension to video remains underexplored, primarily due to the prohibitive cost and complexity of constructing large-scale paired video editing datasets. To address this…

计算机视觉与模式识别 · 计算机科学 2025-10-17 Xinyao Liao , Xianfang Zeng , Ziye Song , Zhoujie Fu , Gang Yu , Guosheng Lin

We introduce a new method for learning a generative model of articulated 3D animal motions from raw, unlabeled online videos. Unlike existing approaches for 3D motion synthesis, our model requires no pose annotations or parametric shape…

计算机视觉与模式识别 · 计算机科学 2024-08-02 Keqiang Sun , Dor Litvak , Yunzhi Zhang , Hongsheng Li , Jiajun Wu , Shangzhe Wu

We propose a novel supervised learning technique for summarizing videos by automatically selecting keyframes or key subshots. Casting the problem as a structured prediction problem on sequential data, our main idea is to use Long Short-Term…

计算机视觉与模式识别 · 计算机科学 2016-08-01 Ke Zhang , Wei-Lun Chao , Fei Sha , Kristen Grauman

This work presents an unsupervised learning based approach to the ubiquitous computer vision problem of image matching. We start from the insight that the problem of frame-interpolation implicitly solves for inter-frame correspondences.…

计算机视觉与模式识别 · 计算机科学 2016-03-30 Gucan Long , Laurent Kneip , Jose M. Alvarez , Hongdong Li

We propose a strong baseline model for unsupervised feature learning using video data. By learning to predict missing frames or extrapolate future frames from an input video sequence, the model discovers both spatial and temporal…

机器学习 · 计算机科学 2016-05-05 MarcAurelio Ranzato , Arthur Szlam , Joan Bruna , Michael Mathieu , Ronan Collobert , Sumit Chopra

Efficient construction of models capturing the preconditions and effects of actions is essential for applying AI planning in real-world domains. Extensive prior work has explored learning such models from high-level descriptions of state…

人工智能 · 计算机科学 2026-05-08 Kai Xi , Stephen Gould , Sylvie Thiébaux

In video prediction tasks, one major challenge is to capture the multi-modal nature of future contents and dynamics. In this work, we propose a simple yet effective framework that can efficiently predict plausible future states. The key…

计算机视觉与模式识别 · 计算机科学 2020-07-06 Jingwei Xu , Huazhe Xu , Bingbing Ni , Xiaokang Yang , Trevor Darrell

We use multilayer Long Short Term Memory (LSTM) networks to learn representations of video sequences. Our model uses an encoder LSTM to map an input sequence into a fixed length representation. This representation is decoded using single or…

机器学习 · 计算机科学 2016-01-05 Nitish Srivastava , Elman Mansimov , Ruslan Salakhutdinov

In this paper, a new video classification methodology is proposed which can be applied in both first and third person videos. The main idea behind the proposed strategy is to capture complementary information of appearance and motion…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Ali Javidani , Ahmad Mahmoudi-Aznaveh