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With the rapid advancement of ubiquitous computing technology, human activity analysis based on time series data from a diverse range of sensors enables the delivery of more intelligent services. Despite the importance of exploring new…

机器学习 · 计算机科学 2025-03-21 Hyunju Kim , Dongman Lee

Ambiguities are inevitable in human-robot interaction, especially when a robot follows user instructions in a large, shared space. For example, if a user asks the robot to find an object in a home environment with underspecified…

机器人学 · 计算机科学 2025-04-03 Fethiye Irmak Dogan , Maithili Patel , Weiyu Liu , Iolanda Leite , Sonia Chernova

Few-shot adaptation of vision-language models remains fundamentally limited by how negative class signals are handled at inference. Existing methods apply uniform negative suppression across all queries, ignoring that the most damaging…

计算机视觉与模式识别 · 计算机科学 2026-05-26 Sriram Mandalika

In the context of high usability in single-class anomaly detection models, recent academic research has become concerned about the more complex multi-class anomaly detection. Although several papers have designed unified models for this…

计算机视觉与模式识别 · 计算机科学 2024-03-22 Xi Jiang , Ying Chen , Qiang Nie , Jianlin Liu , Yong Liu , Chengjie Wang , Feng Zheng

Recent segmentation methods, such as OCR and CPNet, utilizing "class level" information in addition to pixel features, have achieved notable success for boosting the accuracy of existing network modules. However, the extracted class-level…

计算机视觉与模式识别 · 计算机科学 2022-07-15 Ye Huang , Di Kang , Liang Chen , Xuefei Zhe , Wenjing Jia , Xiangjian He , Linchao Bao

Multimodal Sentiment Analysis (MSA) aims to recognize human emotions by exploiting textual, acoustic, and visual modalities, and thus how to make full use of the interactions between different modalities is a central challenge of MSA.…

计算与语言 · 计算机科学 2025-02-17 Yubo Gao , Haotian Wu , Lei Zhang

Dense action detection involves detecting multiple co-occurring actions while action classes are often ambiguous and represent overlapping concepts. We argue that handling the dual challenge of temporal and class overlaps is too complex to…

计算机视觉与模式识别 · 计算机科学 2025-03-12 Faegheh Sardari , Armin Mustafa , Philip J. B. Jackson , Adrian Hilton

Deep neural networks need to make robust inference in the presence of occlusion, background clutter, pose and viewpoint variations -- to name a few -- when the task of person re-identification is considered. Attention mechanisms have…

计算机视觉与模式识别 · 计算机科学 2020-06-18 Jieming Zhou , Soumava Kumar Roy , Pengfei Fang , Mehrtash Harandi , Lars Petersson

Speech Emotion Recognition models typically use single categorical labels, overlooking the inherent ambiguity of human emotions. Ambiguous Emotion Recognition addresses this by representing emotions as probability distributions, but…

音频与语音处理 · 电气工程与系统科学 2026-01-22 Wenda Zhang , Hongyu Jin , Siyi Wang , Zhiqiang Wei , Ting Dang

Emotion recognition is inherently ambiguous, with uncertainty arising both from rater disagreement and from discrepancies across modalities such as speech and text. There is growing interest in modeling rater ambiguity using label…

音频与语音处理 · 电气工程与系统科学 2026-01-27 Jingyao Wu , Grace Lin , Yinuo Song , Rosalind Picard

With the rapid advancements in deep learning techniques, wearable sensor-aided animal activity recognition (AAR) has demonstrated promising performance, thereby improving livestock management efficiency as well as animal health and welfare…

计算机视觉与模式识别 · 计算机科学 2026-04-02 Axiu Mao , Meilu Zhu , Lei Shen , Xiaoshuai Wang , Tomas Norton , Kai Liu

It is not, in general, possible to have access to all variables that determine the behavior of a system. Having identified a number of variables whose values can be accessed, there may still be hidden variables which influence the dynamics…

神经与进化计算 · 计算机科学 2018-04-30 Rui Ligeiro , R. Vilela Mendes

Human action recognition aims at classifying the category of human action from a segment of a video. Recently, people have dived into designing GCN-based models to extract features from skeletons for performing this task, because skeleton…

计算机视觉与模式识别 · 计算机科学 2023-03-29 Huanyu Zhou , Qingjie Liu , Yunhong Wang

We propose a novel model named Multi-Channel Attention Selection Generative Adversarial Network (SelectionGAN) for guided image-to-image translation, where we translate an input image into another while respecting an external semantic…

计算机视觉与模式识别 · 计算机科学 2022-10-07 Hao Tang , Philip H. S. Torr , Nicu Sebe

Linearly transforming stimulus representations of deep neural networks yields high-performing models of behavioral and neural responses to complex stimuli. But does the test accuracy of such predictions identify genuine representational…

神经元与认知 · 定量生物学 2026-01-05 Itamar Avitan , Tal Golan

Advances in artificial intelligence (AI) show great potential in revealing underlying information from phonon microscopy (high-frequency ultrasound) data to identify cancerous cells. However, this technology suffers from the 'batch effect'…

定量方法 · 定量生物学 2024-03-28 Yijie Zheng , Rafael Fuentes-Dominguez , Matt Clark , George S. D. Gordon , Fernando Perez-Cota

Deep learning models are widely employed in safety-critical applications yet remain susceptible to adversarial attacks -- imperceptible perturbations that can significantly degrade model performance. Conventional defense mechanisms…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Eylon Mizrahi , Raz Lapid , Moshe Sipper

Perceptual similarity representations enable music retrieval systems to determine which songs sound most similar to listeners. State-of-the-art approaches based on task-specific training via self-supervised metric learning show promising…

声音 · 计算机科学 2026-01-28 Arhan Vohra , Taketo Akama

Visual autoregressive models achieve remarkable generation quality through next-scale predictions across multi-scale token pyramids. However, the conventional method uses uniform scale downsampling to build these pyramids, leading to…

计算机视觉与模式识别 · 计算机科学 2025-11-25 Xiaofan Li , Chenming Wu , Yanpeng Sun , Jiaming Zhou , Delin Qu , Yansong Qu , Weihao Bo , Haibao Yu , Dingkang Liang

Micro-expressions (MEs) are subtle, transient facial changes with very low intensity, almost imperceptible to the naked eye, yet they reveal a person genuine emotion. They are of great value in lie detection, behavioral analysis, and…

计算机视觉与模式识别 · 计算机科学 2025-10-14 Thi Bich Phuong Man , Luu Tu Nguyen , Vu Tram Anh Khuong , Thanh Ha Le , Thi Duyen Ngo