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In real-world scenarios, although data entities may possess inherent relationships, the specific graph illustrating their connections might not be directly accessible. Latent graph inference addresses this issue by enabling Graph Neural…

机器学习 · 计算机科学 2023-11-21 Yuan Lu , Haitz Sáez de Ocáriz Borde , Pietro Liò

Model selection for a given target task can be costly, as it may entail extensive annotation of the quality of outputs of different models. We introduce DiffUse, an efficient method to make an informed decision between candidate text…

计算与语言 · 计算机科学 2024-06-07 Shir Ashury-Tahan , Ariel Gera , Benjamin Sznajder , Leshem Choshen , Liat Ein-Dor , Eyal Shnarch

The goal of video anomaly detection is tantamount to performing spatio-temporal localization of abnormal events in the video. The multiscale temporal dependencies, visual-semantic heterogeneity, and the scarcity of labeled data exhibited by…

计算机视觉与模式识别 · 计算机科学 2025-07-29 Dezhi An , Wenqiang Liu , Kefan Wang , Zening Chen , Jun Lu , Shengcai Zhang

This note presents a unified analysis of the identification of dynamical systems with low-rank constraints under high-dimensional scaling. This identification problem for dynamic systems are challenging due to the intrinsic dependency of…

统计理论 · 数学 2019-12-23 Junlin Li

Multivariate time series anomaly detection (MTSAD) aims to accurately identify and localize complex abnormal patterns in the large-scale industrial control systems. While existing approaches excel in recognizing the distinct patterns under…

机器学习 · 计算机科学 2025-12-17 Xuechun Liu , Heli Sun , Xuecheng Wu , Ruichen Cao , Yunyun Shi , Dingkang Yang , Haoran Li

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

Multimodal Sentiment Analysis (MSA) aims to predict sentiment from language, acoustic, and visual data in videos. However, imbalanced unimodal performance often leads to suboptimal fused representations. Existing approaches typically adopt…

计算机视觉与模式识别 · 计算机科学 2026-04-02 Dingkang Yang , Mingcheng Li , Xuecheng Wu , Zhaoyu Chen , Kaixun Jiang , Keliang Liu , Peng Zhai , Lihua Zhang

To segment a signal into blocks to be analyzed, few-shot keyword spotting (KWS) systems often utilize a sliding window of fixed size. Because of the varying lengths of different keywords or their spoken instances, choosing the right window…

音频与语音处理 · 电气工程与系统科学 2023-12-15 Kevin Wilkinghoff , Alessia Cornaggia-Urrigshardt

Human annotation plays a core role in machine learning -- annotations for supervised models, safety guardrails for generative models, and human feedback for reinforcement learning, to cite a few avenues. However, the fact that many of these…

Multimodal dialogue emotion recognition captures emotional cues by fusing text, visual, and audio modalities. However, existing approaches still suffer from notable limitations in modeling emotional dependencies and learning multimodal…

多媒体 · 计算机科学 2026-03-12 Yunsheng Wang , Yuntao Shou , Yilong Tan , Wei Ai , Tao Meng , Keqin Li

We propose a new method that employs transfer learning techniques to effectively correct sampling selection errors introduced by sparse annotations during supervised learning for automated tumor segmentation. The practicality of current…

Facial analysis models are increasingly applied in real-world applications that have significant impact on peoples' lives. However, as literature has shown, models that automatically classify facial attributes might exhibit algorithmic…

计算机视觉与模式识别 · 计算机科学 2022-06-15 Camila Kolling , Victor Araujo , Adriano Veloso , Soraia Raupp Musse

Human annotations are an important source of information in the development of natural language understanding approaches. As under the pressure of productivity annotators can assign different labels to a given text, the quality of produced…

计算与语言 · 计算机科学 2020-10-29 Kristian Miok , Gregor Pirs , Marko Robnik-Sikonja

Recent work leverages the expressive power of generative adversarial networks (GANs) to generate labeled synthetic datasets. These dataset generation methods often require new annotations of synthetic images, which forces practitioners to…

计算机视觉与模式识别 · 计算机科学 2023-04-03 Austin Xu , Mariya I. Vasileva , Achal Dave , Arjun Seshadri

Current collaborative perception methods often rely on fully annotated datasets, which can be expensive to obtain in practical situations. To reduce annotation costs, some works adopt sparsely supervised learning techniques and generate…

计算机视觉与模式识别 · 计算机科学 2025-03-19 Yushan Han , Hui Zhang , Honglei Zhang , Jing Wang , Yidong Li

Owing to the development and advancement of artificial intelligence, numerous works were established in the human facial expression recognition system. Meanwhile, the detection and classification of micro-expressions are attracting…

计算机视觉与模式识别 · 计算机科学 2019-04-04 Sze-Teng Liong , Y. S. Gan , Danna Zheng , Shu-Meng Lic , Hao-Xuan Xua , Han-Zhe Zhang , Ran-Ke Lyu , Kun-Hong Liu

A variety of complex biological, natural and man-made systems exhibit non-Markovian dynamics that can be modeled through fractional order differential equations, yet, we lack sample comlexity aware system identification strategies. Towards…

系统与控制 · 电气工程与系统科学 2025-06-23 Xiaole Zhang , Vijay Gupta , Paul Bogdan

Manual annotation of medical images is highly subjective, leading to inevitable and huge annotation biases. Deep learning models may surpass human performance on a variety of tasks, but they may also mimic or amplify these biases. Although…

计算机视觉与模式识别 · 计算机科学 2022-03-23 Zehui Liao , Shishuai Hu , Yutong Xie , Yong Xia

Many recent loss functions in deep metric learning are expressed with logarithmic and exponential forms, and they involve margin and scale as essential hyper-parameters. Since each data class has an intrinsic characteristic, several…

音频与语音处理 · 电气工程与系统科学 2023-05-24 Myunghun Jung , Hoirin Kim

Cross-database micro-expression recognition (CDMER) is one of recently emerging and interesting problem in micro-expression analysis. CDMER is more challenging than the conventional micro-expression recognition (MER), because the training…

计算机视觉与模式识别 · 计算机科学 2019-11-12 Yuan Zong , Tong Zhang , Wenming Zheng , Xiaopeng Hong , Chuangao Tang , Zhen Cui , Guoying Zhao