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To ensure the safety and efficiency of its maneuvers, an Autonomous Vehicle (AV) should anticipate the future intentions of surrounding vehicles using its sensor information. If an AV can predict its surrounding vehicles' future…

机器人学 · 计算机科学 2024-07-09 Jayabrata Chowdhury , Suresh Sundaram , Nishanth Rao , Narasimhan Sundararajan

Temporal action localization is an important and challenging task that aims to locate temporal regions in real-world untrimmed videos where actions occur and recognize their classes. It is widely acknowledged that video context is a…

计算机视觉与模式识别 · 计算机科学 2021-03-10 Xin Qin , Hanbin Zhao , Guangchen Lin , Hao Zeng , Songcen Xu , Xi Li

This paper describes a network that captures multimodal correlations over arbitrary timestamps. The proposed scheme operates as a complementary, extended network over a multimodal convolutional neural network (CNN). Spatial and temporal…

计算机视觉与模式识别 · 计算机科学 2019-12-17 Novanto Yudistira , Takio Kurita

Multivariate time series anomaly detection (MTAD) plays a vital role in a wide variety of real-world application domains. Over the past few years, MTAD has attracted rapidly increasing attention from both academia and industry. Many deep…

机器学习 · 计算机科学 2023-06-13 Feng Xia , Xin Chen , Shuo Yu , Mingliang Hou , Mujie Liu , Linlin You

This paper proposes a novel study on personality recognition using video data from different scenarios. Our goal is to jointly model nonverbal behavioral cues with contextual information for a robust, multi-scenario, personality recognition…

计算机视觉与模式识别 · 计算机科学 2019-10-16 Dario Dotti , Mirela Popa , Stylianos Asteriadis

The modeling, computational cost, and accuracy of traditional Spatio-temporal networks are the three most concentrated research topics in video action recognition. The traditional 2D convolution has a low computational cost, but it cannot…

计算机视觉与模式识别 · 计算机科学 2021-12-07 Zhaoqilin Yang , Gaoyun An

Realistic videos of human actions exhibit rich spatiotemporal structures at multiple levels of granularity: an action can always be decomposed into multiple finer-grained elements in both space and time. To capture this intuition, we…

计算机视觉与模式识别 · 计算机科学 2015-09-01 Tian Lan , Yuke Zhu , Amir Roshan Zamir , Silvio Savarese

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

Advanced driver assistance and automated driving systems rely on risk estimation modules to predict and avoid dangerous situations. Current methods use expensive sensor setups and complex processing pipeline, limiting their availability and…

计算机视觉与模式识别 · 计算机科学 2020-02-04 Ekim Yurtsever , Yongkang Liu , Jacob Lambert , Chiyomi Miyajima , Eijiro Takeuchi , Kazuya Takeda , John H. L. Hansen

Temporal action detection is a fundamental yet challenging task in video understanding. Video context is a critical cue to effectively detect actions, but current works mainly focus on temporal context, while neglecting semantic context as…

计算机视觉与模式识别 · 计算机科学 2020-04-06 Mengmeng Xu , Chen Zhao , David S. Rojas , Ali Thabet , Bernard Ghanem

Recently, attention mechanisms have been explored with ConvNets, both across the spatial and channel dimensions. However, from our knowledge, all the existing methods devote the attention modules to capture local interactions from a…

计算机视觉与模式识别 · 计算机科学 2022-11-28 Eslam Mohamed Bakr , Ahmad El Sallab , Mohsen A. Rashwan

Action detection and recognition tasks have been the target of much focus in the computer vision community due to their many applications, namely, security, robotics and recommendation systems. Recently, datasets like AVA, provide…

计算机视觉与模式识别 · 计算机科学 2019-07-31 João Antunes , Pedro Abreu , Alexandre Bernardino , Asim Smailagic , Daniel Siewiorek

Spatio-temporal action detection in videos requires localizing the action both spatially and temporally in the form of an "action tube". Nowadays, most spatio-temporal action detection datasets (e.g. UCF101-24, AVA, DALY) are annotated with…

计算机视觉与模式识别 · 计算机科学 2020-04-02 Huijuan Xu , Lizhi Yang , Stan Sclaroff , Kate Saenko , Trevor Darrell

Deep 3D CNNs for video action recognition are designed to learn powerful representations in the joint spatio-temporal feature space. In practice however, because of the large number of parameters and computations involved, they may…

计算机视觉与模式识别 · 计算机科学 2020-03-24 Swathikiran Sudhakaran , Sergio Escalera , Oswald Lanz

Recently, the soft attention mechanism, which was originally proposed in language processing, has been applied in computer vision tasks like image captioning. This paper presents improvements to the soft attention model by combining a…

计算机视觉与模式识别 · 计算机科学 2017-05-22 Shiyang Yan , Jeremy S. Smith , Wenjin Lu , Bailing Zhang

Action recognition with 3D skeleton sequences is becoming popular due to its speed and robustness. The recently proposed Convolutional Neural Networks (CNN) based methods have shown good performance in learning spatio-temporal…

计算机视觉与模式识别 · 计算机科学 2018-04-12 Zhengyuan Yang , Yuncheng Li , Jianchao Yang , Jiebo Luo

Classifying videos according to content semantics is an important problem with a wide range of applications. In this paper, we propose a hybrid deep learning framework for video classification, which is able to model static spatial…

计算机视觉与模式识别 · 计算机科学 2015-04-08 Zuxuan Wu , Xi Wang , Yu-Gang Jiang , Hao Ye , Xiangyang Xue

Surgical context inference has recently garnered significant attention in robot-assisted surgery as it can facilitate workflow analysis, skill assessment, and error detection. However, runtime context inference is challenging since it…

计算机视觉与模式识别 · 计算机科学 2023-08-25 Zongyu Li , Ian Reyes , Homa Alemzadeh

Accurately and promptly predicting accidents among surrounding traffic agents from camera footage is crucial for the safety of autonomous vehicles (AVs). This task presents substantial challenges stemming from the unpredictable nature of…

计算机视觉与模式识别 · 计算机科学 2024-07-26 Haicheng Liao , Haoyu Sun , Huanming Shen , Chengyue Wang , Kahou Tam , Chunlin Tian , Li Li , Chengzhong Xu , Zhenning Li

There are multiple cues in an image which reveal what action a person is performing. For example, a jogger has a pose that is characteristic for jogging, but the scene (e.g. road, trail) and the presence of other joggers can be an…

计算机视觉与模式识别 · 计算机科学 2016-03-28 Georgia Gkioxari , Ross Girshick , Jitendra Malik