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Vision-Language-Action (VLA) models have emerged as a unified paradigm for robotic perception and control, enabling emergent generalization and long-horizon task execution. However, their deployment in dynamic, real-world environments is…

人工智能 · 计算机科学 2025-12-24 Yuntao Dai , Hang Gu , Teng Wang , Qianyu Cheng , Yifei Zheng , Zhiyong Qiu , Lei Gong , Wenqi Lou , Xuehai Zhou

RGB-to-RAW reconstruction, or the reverse modeling of a camera Image Signal Processing (ISP) pipeline, aims to recover high-fidelity RAW data from RGB images. Despite notable progress, existing learning-based methods typically treat this…

计算机视觉与模式识别 · 计算机科学 2026-01-29 Zhen Liu , Diedong Feng , Hai Jiang , Liaoyuan Zeng , Hao Wang , Chaoyu Feng , Lei Lei , Bing Zeng , Shuaicheng Liu

We address the problem of temporal activity detection in continuous, untrimmed video streams. This is a difficult task that requires extracting meaningful spatio-temporal features to capture activities, accurately localizing the start and…

计算机视觉与模式识别 · 计算机科学 2019-06-07 Huijuan Xu , Abir Das , Kate Saenko

Recognizing human actions in videos requires spatial and temporal understanding. Most existing action recognition models lack a balanced spatio-temporal understanding of videos. In this work, we propose a novel two-stream architecture,…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Dongho Lee , Jongseo Lee , Jinwoo Choi

Pose based hand gesture recognition has been widely studied in the recent years. Compared with full body action recognition, hand gesture involves joints that are more spatially closely distributed with stronger collaboration. This nature…

计算机视觉与模式识别 · 计算机科学 2021-01-25 Chuankun Li , Shuai Li , Yanbo Gao , Xiang Zhang , Wanqing Li

Existing methods to recognize actions in static images take the images at their face value, learning the appearances---objects, scenes, and body poses---that distinguish each action class. However, such models are deprived of the rich…

计算机视觉与模式识别 · 计算机科学 2018-05-31 Ruohan Gao , Bo Xiong , Kristen Grauman

In this paper we present advanced representation learning study on integrating deep learning techniques and sparse approximation, including diffusion models, for advanced flow field analysis and reconstruction. Key applications include…

流体动力学 · 物理学 2025-01-15 Yikai Wang , Jiameng Wang , Ruyi Han , Shujun Fu

In this paper we present a three-stream algorithm for real-time action recognition and a new dataset of handwash videos, with the intent of aligning action recognition with real-world constraints to yield effective conclusions. A…

计算机视觉与模式识别 · 计算机科学 2022-10-17 Akash Nagaraj , Mukund Sood , Chetna Sureka , Gowri Srinivasa

Action anticipation in egocentric videos is a difficult task due to the inherently multi-modal nature of human actions. Additionally, some actions happen faster or slower than others depending on the actor or surrounding context which could…

计算机视觉与模式识别 · 计算机科学 2021-09-03 Nada Osman , Guglielmo Camporese , Pasquale Coscia , Lamberto Ballan

A common strategy to video understanding is to incorporate spatial and motion information by fusing features derived from RGB frames and optical flow. In this work, we introduce a new way to leverage semantic segmentation as an intermediate…

计算机视觉与模式识别 · 计算机科学 2021-04-16 Juhana Kangaspunta , AJ Piergiovanni , Rico Jonschkowski , Michael Ryoo , Anelia Angelova

Typical human actions last several seconds and exhibit characteristic spatio-temporal structure. Recent methods attempt to capture this structure and learn action representations with convolutional neural networks. Such representations,…

计算机视觉与模式识别 · 计算机科学 2017-06-05 Gül Varol , Ivan Laptev , Cordelia Schmid

Is a deep learning model capable of understanding systems governed by certain first principle laws by only observing the system's output? Can deep learning learn the underlying physics and honor the physics when making predictions? The…

计算物理 · 物理学 2020-06-11 Rohan Thavarajah , Xiang Zhai , Zheren Ma , David Castineira

Motion estimation is one of the core challenges in computer vision. With traditional dual-frame approaches, occlusions and out-of-view motions are a limiting factor, especially in the context of environmental perception for vehicles due to…

计算机视觉与模式识别 · 计算机科学 2020-11-05 René Schuster , Christian Unger , Didier Stricker

Deep Learning Recommendation Models (DLRMs) often rely on extensive manual feature engineering to improve accuracy and user experience, which increases system complexity and limits scalability of model performance with respect to…

信息检索 · 计算机科学 2025-08-19 Hao Guo , Erpeng Xue , Lei Huang , Shichao Wang , Xiaolei Wang , Lei Wang , Jinpeng Wang , Sheng Chen

As a crucial component in intelligent transportation systems, traffic flow prediction has recently attracted widespread research interest in the field of artificial intelligence (AI) with the increasing availability of massive traffic…

机器学习 · 计算机科学 2020-06-17 Lingbo Liu , Jiajie Zhen , Guanbin Li , Geng Zhan , Zhaocheng He , Bowen Du , Liang Lin

We use machine learning to perform super-resolution analysis of grossly under-resolved turbulent flow field data to reconstruct the high-resolution flow field. Two machine-learning models are developed; namely the convolutional neural…

流体动力学 · 物理学 2019-05-08 Kai Fukami , Koji Fukagata , Kunihiko Taira

Capsule networks (CapsNets) have recently shown promise to excel in most computer vision tasks, especially pertaining to scene understanding. In this paper, we explore CapsNet's capabilities in optical flow estimation, a task at which…

计算机视觉与模式识别 · 计算机科学 2020-11-10 Vinoj Jayasundara , Debaditya Roy , Basura Fernando

The FlowNet demonstrated that optical flow estimation can be cast as a learning problem. However, the state of the art with regard to the quality of the flow has still been defined by traditional methods. Particularly on small displacements…

计算机视觉与模式识别 · 计算机科学 2016-12-07 Eddy Ilg , Nikolaus Mayer , Tonmoy Saikia , Margret Keuper , Alexey Dosovitskiy , Thomas Brox

In this work, we introduce a new video representation for action classification that aggregates local convolutional features across the entire spatio-temporal extent of the video. We do so by integrating state-of-the-art two-stream networks…

计算机视觉与模式识别 · 计算机科学 2017-04-11 Rohit Girdhar , Deva Ramanan , Abhinav Gupta , Josef Sivic , Bryan Russell

In this paper, several variants of two-stream architectures for temporal action proposal generation in long, untrimmed videos are presented. Inspired by the recent advances in the field of human action recognition utilizing 3D convolutions…

计算机视觉与模式识别 · 计算机科学 2019-03-15 Patrick Schlosser , David Münch , Michael Arens