中文
相关论文

相关论文: Spatio-Temporal Event Segmentation and Localizatio…

200 篇论文

Recent temporal action segmentation approaches need frame annotations during training to be effective. These annotations are very expensive and time-consuming to obtain. This limits their performances when only limited annotated data is…

计算机视觉与模式识别 · 计算机科学 2022-11-04 Sovan Biswas , Anthony Rhodes , Ramesh Manuvinakurike , Giuseppe Raffa , Richard Beckwith

Event cameras encode visual information with high temporal precision, low data-rate, and high-dynamic range. Thanks to these characteristics, event cameras are particularly suited for scenarios with high motion, challenging lighting…

计算机视觉与模式识别 · 计算机科学 2020-12-10 Etienne Perot , Pierre de Tournemire , Davide Nitti , Jonathan Masci , Amos Sironi

We tackle the problem of localizing temporal intervals of actions with only a single frame label for each action instance for training. Owing to label sparsity, existing work fails to learn action completeness, resulting in fragmentary…

计算机视觉与模式识别 · 计算机科学 2021-08-12 Pilhyeon Lee , Hyeran Byun

Weakly-supervised temporal action localization aims to recognize and localize action segments in untrimmed videos given only video-level action labels for training. Without the boundary information of action segments, existing methods…

计算机视觉与模式识别 · 计算机科学 2022-03-30 Bo He , Xitong Yang , Le Kang , Zhiyu Cheng , Xin Zhou , Abhinav Shrivastava

Event cameras are activity-driven bio-inspired vision sensors, thereby resulting in advantages such as sparsity,high temporal resolution, low latency, and power consumption. Given the different sensing modality of event camera and high…

计算机视觉与模式识别 · 计算机科学 2021-05-11 Lakshmi Annamalai , Vignesh Ramanathan , Chetan Singh Thakur

We propose an approach for learning category-level semantic segmentation purely from image-level classification tags indicating presence of categories. It exploits localization cues that emerge from training classification-tasked…

计算机视觉与模式识别 · 计算机科学 2016-12-07 Mohammadreza Mostajabi , Nicholas Kolkin , Gregory Shakhnarovich

Deep neural networks are efficient learning machines which leverage upon a large amount of manually labeled data for learning discriminative features. However, acquiring substantial amount of supervised data, especially for videos can be a…

计算机视觉与模式识别 · 计算机科学 2018-08-16 Sujoy Paul , Sourya Roy , Amit K. Roy-Chowdhury

Reasoning Video Object Segmentation (ReasonVOS) is a challenging task that requires stable object segmentation across video sequences using implicit and complex textual inputs. Previous methods fine-tune Multimodal Large Language Models…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Zhengtong Zhu , Jiaqing Fan , Zhixuan Liu , Fanzhang Li

Instance segmentation in videos, which aims to segment and track multiple objects in video frames, has garnered a flurry of research attention in recent years. In this paper, we present a novel weakly supervised framework with…

计算机视觉与模式识别 · 计算机科学 2022-12-16 Liqi Yan , Qifan Wang , Siqi Ma , Jingang Wang , Changbin Yu

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

The success of deep neural networks generally requires a vast amount of training data to be labeled, which is expensive and unfeasible in scale, especially for video collections. To alleviate this problem, in this paper, we propose…

计算机视觉与模式识别 · 计算机科学 2019-04-05 Longlong Jing , Xiaodong Yang , Jingen Liu , Yingli Tian

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,…

计算机视觉与模式识别 · 计算机科学 2020-07-20 Yifan Liu , Chunhua Shen , Changqian Yu , Jingdong Wang

This paper proposes a novel pretext task to address the self-supervised video representation learning problem. Specifically, given an unlabeled video clip, we compute a series of spatio-temporal statistical summaries, such as the spatial…

计算机视觉与模式识别 · 计算机科学 2021-02-01 Jiangliu Wang , Jianbo Jiao , Linchao Bao , Shengfeng He , Wei Liu , Yun-hui Liu

Video object segmentation is a fundamental research problem in computer vision. Recent techniques have often applied attention mechanism to object representation learning from video sequences. However, due to temporal changes in the video…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Quang-Trung Truong , Duc Thanh Nguyen , Binh-Son Hua , Sai-Kit Yeung

We propose a weakly supervised temporal action localization algorithm on untrimmed videos using convolutional neural networks. Our algorithm learns from video-level class labels and predicts temporal intervals of human actions with no…

计算机视觉与模式识别 · 计算机科学 2018-04-04 Phuc Nguyen , Ting Liu , Gautam Prasad , Bohyung Han

Existing semi-supervised video object segmentation methods either focus on temporal feature matching or spatial-temporal feature modeling. However, they do not address the issues of sufficient target interaction and efficient parallel…

计算机视觉与模式识别 · 计算机科学 2024-04-10 Deshui Miao , Xin Li , Zhenyu He , Huchuan Lu , Ming-Hsuan Yang

Self-supervised learning holds the promise of learning good representations from real-world continuous uncurated data streams. However, most existing works in visual self-supervised learning focus on static images or artificial data…

计算机视觉与模式识别 · 计算机科学 2025-08-13 Yanlai Yang , Mengye Ren

We study the problem of segmenting moving objects in unconstrained videos. Given a video, the task is to segment all the objects that exhibit independent motion in at least one frame. We formulate this as a learning problem and design our…

计算机视觉与模式识别 · 计算机科学 2017-12-05 Pavel Tokmakov , Cordelia Schmid , Karteek Alahari

An important aspect of video understanding is the ability to predict the evolution of its content in the future. This paper presents a future frame semantic segmentation technique for predicting semantic masks of the current and future…

计算机视觉与模式识别 · 计算机科学 2018-12-31 Talha Siddiqui , Samarth Bharadwaj

Computer vision tasks such as semantic segmentation perform very well in good weather conditions, but if the weather turns bad, they have problems to achieve this performance in these conditions. One possibility to obtain more robust and…

计算机视觉与模式识别 · 计算机科学 2020-07-02 Andreas Pfeuffer , Klaus Dietmayer