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We propose Few-Class Arena (FCA), as a unified benchmark with focus on testing efficient image classification models for few classes. A wide variety of benchmark datasets with many classes (80-1000) have been created to assist Computer…

计算机视觉与模式识别 · 计算机科学 2025-03-04 Bryan Bo Cao , Lawrence O'Gorman , Michael Coss , Shubham Jain

Spatio-temporal action detection in videos is typically addressed in a fully-supervised setup with manual annotation of training videos required at every frame. Since such annotation is extremely tedious and prohibits scalability, there is…

计算机视觉与模式识别 · 计算机科学 2018-11-29 Guilhem Chéron , Jean-Baptiste Alayrac , Ivan Laptev , Cordelia Schmid

To enhance the interpretability of Reinforcement Learning (RL), we propose Revealing Evolutionary Action Consequence Trajectories (REACT). In contrast to the prevalent practice of validating RL models based on their optimal behavior learned…

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

Vision-Language-Action (VLA) models rely on current observations, including images, language instructions, and robot states, to predict actions and complete tasks. While accurate visual perception is crucial for precise action prediction…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Cheng Yang , Jianhao Jiao , Lingyi Huang , Jinqi Xiao , Zhexiang Tang , Yu Gong , Yibiao Ying , Yang Sui , Jintian Lin , Wen Huang , Bo Yuan

The increasing variety and quantity of tagged multimedia content on a variety of online platforms offer a unique opportunity to advance the field of human action recognition. In this study, we utilize 283,582 unique, unlabeled TikTok video…

Continuous action spaces in reinforcement learning (RL) are commonly defined as multidimensional intervals. While intervals usually reflect the action boundaries for tasks well, they can be challenging for learning because the typically…

机器学习 · 计算机科学 2024-11-06 Roland Stolz , Hanna Krasowski , Jakob Thumm , Michael Eichelbeck , Philipp Gassert , Matthias Althoff

Despite the significant progress of fully-supervised video captioning, zero-shot methods remain much less explored. In this paper, we propose a novel zero-shot video captioning framework named Retrieval-Enhanced Test-Time Adaptation…

计算机视觉与模式识别 · 计算机科学 2025-10-29 Yunchuan Ma , Laiyun Qing , Guorong Li , Yuankai Qi , Amin Beheshti , Quan Z. Sheng , Qingming Huang

This paper considers the problem of nonstationary process monitoring under frequently varying operating conditions. Traditional approaches generally misidentify the normal dynamic deviations as faults and thus lead to high false alarms.…

系统与控制 · 电气工程与系统科学 2021-01-22 Jingxin Zhang , Donghua Zhou , Maoyin Chen

This article proposes a Model Reference Adaptive Control (MRAC) strategy to achieve fixed-time convergence of parameter estimation and tracking errors for unknown linear time-invariant systems, without relying on the persistence of…

系统与控制 · 电气工程与系统科学 2026-04-23 Chayan Kumar Paul , Krishanu Nath , Indra Narayan Kar , Denis Efimov , Rosane Ushirobira

High quality object proposals are crucial in visual tracking algorithms that utilize region proposal network (RPN). Refinement of these proposals, typically by box regression and classification in parallel, has been popularly adopted to…

计算机视觉与模式识别 · 计算机科学 2020-11-26 Heng Fan , Haibin Ling

Diffusion and rectified flow (RF) models generate high-fidelity images and videos, but their iterative velocity-field evaluations are computationally expensive. Existing caching methods accelerate sampling by skipping timesteps, yet their…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Xiao Liu , Kai Liu , Naiyang Guan , Hongliang Lu , Zhixin Wang , Zhikai Chen , Renjing Pei , Yulun Zhang

Automatic image annotation has been an important research topic in facilitating large scale image management and retrieval. Existing methods focus on learning image-tag correlation or correlation between tags to improve annotation accuracy.…

计算机视觉与模式识别 · 计算机科学 2018-01-01 Jiren Jin , Hideki Nakayama

Multi-view action clustering leverages the complementary information from different camera views to enhance the clustering performance. Although existing approaches have achieved significant progress, they assume all camera views are…

计算机视觉与模式识别 · 计算机科学 2024-04-12 Xiaoqiang Yan , Yingtao Gan , Yiqiao Mao , Yangdong Ye , Hui Yu

We examine the problem of learning sequential tasks from a single visual demonstration. A key challenge arises when demonstrations are temporally misaligned due to variations in timing, differences in embodiment, or inconsistencies in…

机器学习 · 计算机科学 2025-07-16 William Huey , Huaxiaoyue Wang , Anne Wu , Yoav Artzi , Sanjiban Choudhury

Proactive task-oriented agents must autonomously anticipate user needs, identify actionable opportunities, and trigger software actions at appropriate moments - fundamentally shifting from reactive systems that await explicit instructions.…

人工智能 · 计算机科学 2026-05-26 Lei Ding , Bin He , Chenguang Wang , Yang Liu

Most of human actions consist of complex temporal compositions of more simple actions. Action recognition tasks usually relies on complex handcrafted structures as features to represent the human action model. Convolutional Neural Nets…

计算机视觉与模式识别 · 计算机科学 2015-12-15 Mahdyar Ravanbakhsh , Hossein Mousavi , Mohammad Rastegari , Vittorio Murino , Larry S. Davis

With the widespread use of installed cameras, video-based monitoring approaches have seized considerable attention for different purposes like assisted living. Temporal redundancy and the sheer size of raw videos are the two most common…

计算机视觉与模式识别 · 计算机科学 2022-09-30 Ali Abdari , Pouria Amirjan , Azadeh Mansouri

Early action prediction (EAP) aims to recognize human actions from a part of action execution in ongoing videos, which is an important task for many practical applications. Most prior works treat partial or full videos as a whole, ignoring…

计算机视觉与模式识别 · 计算机科学 2023-12-21 Xiaoli Liu , Jianqin Yin , Di Guo , Huaping Liu

Thanks to the substantial and explosively inscreased instructional videos on the Internet, novices are able to acquire knowledge for completing various tasks. Over the past decade, growing efforts have been devoted to investigating the…

计算机视觉与模式识别 · 计算机科学 2020-03-23 Yansong Tang , Jiwen Lu , Jie Zhou