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Temporal Sentence Grounding in Videos (TSGV), which aims to ground a natural language sentence in an untrimmed video, has drawn widespread attention over the past few years. However, recent studies have found that current benchmark datasets…

计算机视觉与模式识别 · 计算机科学 2022-03-11 Xiaohan Lan , Yitian Yuan , Xin Wang , Long Chen , Zhi Wang , Lin Ma , Wenwu Zhu

Scene Graph Generation is a critical enabler of environmental comprehension for autonomous robotic systems. Most of existing methods, however, are often thwarted by the intricate dynamics of background complexity, which limits their ability…

计算机视觉与模式识别 · 计算机科学 2023-09-18 Xukun Zhou , Zhenbo Song , Jun He , Hongyan Liu , Zhaoxin Fan

Planning-oriented end-to-end driving models show great promise, yet they fundamentally learn statistical correlations instead of true causal relationships. This vulnerability leads to causal confusion, where models exploit dataset biases as…

计算机视觉与模式识别 · 计算机科学 2026-04-13 Jiacheng Tang , Zhiyuan Zhou , Zhuolin He , Jia Zhang , Kai Zhang , Jian Pu

This paper studies the convergence of clipped stochastic gradient descent (SGD) algorithms with decision-dependent data distribution. Our setting is motivated by privacy preserving optimization algorithms that interact with performative…

最优化与控制 · 数学 2025-01-31 Qiang Li , Michal Yemini , Hoi-To Wai

Score-based generative models (SGMs) are a recent breakthrough in generating fake images. SGMs are known to surpass other generative models, e.g., generative adversarial networks (GANs) and variational autoencoders (VAEs). Being inspired by…

机器学习 · 计算机科学 2022-06-20 Jayoung Kim , Chaejeong Lee , Yehjin Shin , Sewon Park , Minjung Kim , Noseong Park , Jihoon Cho

Structural causal models (SCMs), with an underlying directed acyclic graph (DAG), provide a powerful analytical framework to describe the interaction mechanisms in large-scale complex systems. However, when the system exhibits extreme…

统计方法学 · 统计学 2026-04-28 Junshu Jiang , Jordan Richards , Raphaël Huser , David Bolin

Micro-expression recognition has drawn increasing attention due to its wide application in lie detection, criminal detection and psychological consultation. To improve the recognition performance of the small micro-expression data, this…

计算机视觉与模式识别 · 计算机科学 2022-03-11 Hui Tang , Li Chai , Wanli Lu

Temporal link prediction in dynamic graphs is a fundamental problem in many real-world systems. Existing temporal graph neural networks mainly focus on learning representations of historical interactions. Despite their strong performance,…

机器学习 · 计算机科学 2026-02-02 Nguyen Minh Duc , Viet Cuong Ta

Current approaches for open-vocabulary scene graph generation (OVSGG) use vision-language models such as CLIP and follow a standard zero-shot pipeline -- computing similarity between the query image and the text embeddings for each category…

计算机视觉与模式识别 · 计算机科学 2024-10-22 Guikun Chen , Jin Li , Wenguan Wang

Stochastic gradient methods (SGMs) are predominant approaches for solving stochastic optimization. On smooth nonconvex problems, a few acceleration techniques have been applied to improve the convergence rate of SGMs. However, little…

最优化与控制 · 数学 2021-12-24 Yangyang Xu , Yibo Xu , Yonggui Yan , Jie Chen

Query intent classification is an essential module for customers to find desired products on the e-commerce application quickly. Most existing query intent classification methods rely on the users' click behavior as a supervised signal to…

计算与语言 · 计算机科学 2024-08-06 Chunyuan Yuan , Ming Pang , Zheng Fang , Xue Jiang , Changping Peng , Zhangang Lin

The real-world data distribution is essentially long-tailed, which poses great challenge to the deep model. In this work, we propose a new method, Gradual Balanced Loss and Adaptive Feature Generator (GLAG) to alleviate imbalance. GLAG…

计算机视觉与模式识别 · 计算机科学 2022-03-02 Zihan Zhang , Xiang Xiang

Multimodalpersonalityunderstandingplaysacriticalroleinhuman centered artificial intelligence. Previous work mainly focus on learn-ing rich multimodal representations for video personality under standing. However, they often suffer from…

人工智能 · 计算机科学 2026-05-08 Yangfu Zhu , Zitong Han , Nianwen Ning , Yuting Wei , Yuandong Wang , Hang Feng , Zhenzhou Shao

Existing Video Scene Graph Generation (VidSGG) studies are trained in a fully supervised manner, which requires all frames in a video to be annotated, thereby incurring high annotation cost compared to Image Scene Graph Generation (ImgSGG).…

计算机视觉与模式识别 · 计算机科学 2025-02-24 Kibum Kim , Kanghoon Yoon , Yeonjun In , Jaehyeong Jeon , Jinyoung Moon , Donghyun Kim , Chanyoung Park

Latent confounding has been a long-standing obstacle for causal reasoning from observational data. One popular approach is to model the data using acyclic directed mixed graphs (ADMGs), which describe ancestral relations between variables…

机器学习 · 计算机科学 2023-03-23 Matthew Ashman , Chao Ma , Agrin Hilmkil , Joel Jennings , Cheng Zhang

Estimation of Gaussian graphical models is important in natural science when modeling the statistical relationships between variables in the form of a graph. The sparsity and clustering structure of the concentration matrix is enforced to…

最优化与控制 · 数学 2020-04-20 Meixia Lin , Defeng Sun , Kim-Chuan Toh , Chengjing Wang

Scene graph generation (SGG) analyzes images to extract meaningful information about objects and their relationships. In the dynamic visual world, it is crucial for AI systems to continuously detect new objects and establish their…

计算机视觉与模式识别 · 计算机科学 2024-11-04 Naitik Khandelwal , Xiao Liu , Mengmi Zhang

Most Graph Neural Networks (GNNs) predict the labels of unseen graphs by learning the correlation between the input graphs and labels. However, by presenting a graph classification investigation on the training graphs with severe bias,…

机器学习 · 计算机科学 2022-09-29 Shaohua Fan , Xiao Wang , Yanhu Mo , Chuan Shi , Jian Tang

Prior image-text matching methods have shown remarkable performance on many benchmark datasets, but most of them overlook the bias in the dataset, which exists in intra-modal and inter-modal, and tend to learn the spurious correlations that…

计算机视觉与模式识别 · 计算机科学 2024-08-23 Wenhui Li , Xinqi Su , Dan Song , Lanjun Wang , Kun Zhang , An-An Liu

Complex systems with intricate causal dependencies challenge accurate prediction. Effective modeling requires precise physical process representation, integration of interdependent factors, and incorporation of multi-resolution…

机器学习 · 计算机科学 2025-04-08 Xuechun Li , Shan Gao , Susu Xu