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Recently, scene text recognition (STR) models have shown significant performance improvements. However, existing models still encounter difficulties in recognizing challenging texts that involve factors such as severely distorted and…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Bangbang Zhou , Yadong Qu , Zixiao Wang , Zicheng Li , Boqiang Zhang , Hongtao Xie

We address the problem of accurate capture of interactive behaviors between two people in daily scenarios. Most previous works either only consider one person or solely focus on conversational gestures of two people, assuming the body…

计算机视觉与模式识别 · 计算机科学 2025-09-09 Leo Ho , Yinghao Huang , Dafei Qin , Mingyi Shi , Wangpok Tse , Wei Liu , Junichi Yamagishi , Taku Komura

Video understanding is a growing field and a subject of intense research, which includes many interesting tasks to understanding both spatial and temporal information, e.g., action detection, action recognition, video captioning, video…

计算机视觉与模式识别 · 计算机科学 2022-12-20 Khoa Vo , Kashu Yamazaki , Phong X. Nguyen , Phat Nguyen , Khoa Luu , Ngan Le

Trajectory prediction is a crucial aspect of understanding human behaviors. Researchers have made efforts to represent socially interactive behaviors among pedestrians and utilize various networks to enhance prediction capability.…

计算机视觉与模式识别 · 计算机科学 2024-09-24 Conghao Wong , Beihao Xia , Ziqian Zou , Xinge You

'Actions' play a vital role in how humans interact with the world. Thus, autonomous agents that would assist us in everyday tasks also require the capability to perform 'Reasoning about Actions & Change' (RAC). Recently, there has been…

计算机视觉与模式识别 · 计算机科学 2022-12-08 Shailaja Keyur Sampat , Pratyay Banerjee , Yezhou Yang , Chitta Baral

Contextual information plays an important role in many computer vision tasks, such as object detection, video action detection, image classification, etc. Recognizing a single object or action out of context could be sometimes very…

计算机视觉与模式识别 · 计算机科学 2023-02-13 Xuan Wang , Zhigang Zhu

Video scene graph generation (VidSGG) has emerged as a transformative approach to capturing and interpreting the intricate relationships among objects and their temporal dynamics in video sequences. In this paper, we introduce the new…

计算机视觉与模式识别 · 计算机科学 2024-10-21 Trong-Thuan Nguyen , Pha Nguyen , Xin Li , Jackson Cothren , Alper Yilmaz , Khoa Luu

The rapid proliferation of video in applications such as autonomous driving, surveillance, and sports analytics necessitates robust methods for dynamic scene understanding. Despite advances in static scene graph generation and early…

计算机视觉与模式识别 · 计算机科学 2025-07-15 Trong-Thuan Nguyen , Pha Nguyen , Jackson Cothren , Alper Yilmaz , Minh-Triet Tran , Khoa Luu

The dominant paradigm in spatiotemporal action detection is to classify actions using spatiotemporal features learned by 2D or 3D Convolutional Networks. We argue that several actions are characterized by their context, such as relevant…

机器学习 · 计算机科学 2021-07-30 Michail Tsiaousis , Gertjan Burghouts , Fieke Hillerström , Peter van der Putten

With advances in data-driven machine learning research, a wide variety of prediction models have been proposed to capture spatio-temporal features for the analysis of video streams. Recognising actions and detecting action transitions…

计算机视觉与模式识别 · 计算机科学 2024-03-06 Harshala Gammulle , David Ahmedt-Aristizabal , Simon Denman , Lachlan Tychsen-Smith , Lars Petersson , Clinton Fookes

Model-based reinforcement learning (MBRL) and model-free reinforcement learning (MFRL) evolve along distinct paths but converge in the design of Dyna-Q [1]. However, modern RL methods still struggle with effective transferability across…

机器学习 · 计算机科学 2025-12-18 Quanxi Zhou , Wencan Mao , Manabu Tsukada , John C. S. Lui , Yusheng Ji

The performance of deep reinforcement learning methods prone to degenerate when applied to environments with non-stationary dynamics. In this paper, we utilize the latent context recurrent encoders motivated by recent Meta-RL materials, and…

机器学习 · 计算机科学 2021-05-11 Yuan Pu , Shaochen Wang , Xin Yao , Bin Li

Video Action Detection (VAD) entails localizing and categorizing action instances within videos, which inherently consist of diverse information sources such as audio, visual cues, and surrounding scene contexts. Leveraging this multi-modal…

计算机视觉与模式识别 · 计算机科学 2025-02-04 Taein Son , Soo Won Seo , Jisong Kim , Seok Hwan Lee , Jun Won Choi

Text-based video segmentation aims to segment an actor in video sequences by specifying the actor and its performing action with a textual query. Previous methods fail to explicitly align the video content with the textual query in a…

计算机视觉与模式识别 · 计算机科学 2022-08-23 Jianhua Yang , Yan Huang , Kai Niu , Linjiang Huang , Zhanyu Ma , Liang Wang

Automatic art analysis aims to classify and retrieve artistic representations from a collection of images by using computer vision and machine learning techniques. In this work, we propose to enhance visual representations from neural…

计算机视觉与模式识别 · 计算机科学 2019-04-11 Noa Garcia , Benjamin Renoust , Yuta Nakashima

The advances in unsupervised object-centric representation learning have significantly improved its application to downstream tasks. Recent works highlight that disentangled object representations can aid policy learning in image-based,…

人工智能 · 计算机科学 2025-03-21 Leonid Ugadiarov , Vitaliy Vorobyov , Aleksandr I. Panov

Action recognition has long been a fundamental and intriguing problem in artificial intelligence. The task is challenging due to the high dimensionality nature of an action, as well as the subtle motion details to be considered. Current…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Yuheng Yang , Haipeng Chen , Zhenguang Liu , Yingda Lyu , Beibei Zhang , Shuang Wu , Zhibo Wang , Kui Ren

In real-world environments, AI systems often face unfamiliar scenarios without labeled data, creating a major challenge for conventional scene understanding models. The inability to generalize across unseen contexts limits the deployment of…

计算机视觉与模式识别 · 计算机科学 2025-10-31 Manjunath Prasad Holenarasipura Rajiv , B. M. Vidyavathi

Weakly-supervised temporal action localization aims to localize action instances temporal boundary and identify the corresponding action category with only video-level labels. Traditional methods mainly focus on foreground and background…

计算机视觉与模式识别 · 计算机科学 2021-04-08 Sanqing Qu , Guang Chen , Zhijun Li , Lijun Zhang , Fan Lu , Alois Knoll

Actor-critic methods constitute a central paradigm in reinforcement learning (RL), coupling policy evaluation with policy improvement. While effective across many domains, these methods rely on separate actor and critic networks, which…

机器学习 · 计算机科学 2025-09-26 Donghyeon Ki , Hee-Jun Ahn , Kyungyoon Kim , Byung-Jun Lee