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Multi-modal neuroimaging technology has greatlly facilitated the efficiency and diagnosis accuracy, which provides complementary information in discovering objective disease biomarkers. Conventional deep learning methods, e.g. convolutional…

图像与视频处理 · 电气工程与系统科学 2022-10-26 Yanwu Yang , Xutao Guo , Zhikai Chang , Chenfei Ye , Yang Xiang , Ting Ma

The increasing popularity of social media promotes the proliferation of fake news. With the development of multimedia technology, fake news attempts to utilize multimedia contents with images or videos to attract and mislead readers for…

多媒体 · 计算机科学 2019-08-14 Peng Qi , Juan Cao , Tianyun Yang , Junbo Guo , Jintao Li

Advances in computer vision and deep learning have blurred the line between deepfakes and authentic media, undermining multimedia credibility through audio-visual forgery. Current multimodal detection methods remain limited by unbalanced…

计算机视觉与模式识别 · 计算机科学 2025-05-20 Zihan Xiong , Xiaohua Wu , Lei Chen , Fangqi Lou

Graph-level anomaly detection is significant in diverse domains. To improve detection performance, counterfactual graphs have been exploited to benefit the generalization capacity by learning causal relations. Most existing studies directly…

机器学习 · 计算机科学 2024-07-19 Chunjing Xiao , Shikang Pang , Wenxin Tai , Yanlong Huang , Goce Trajcevski , Fan Zhou

False information spread via the internet and social media influences public opinion and user activity, while generative models enable fake content to be generated faster and more cheaply than had previously been possible. In the not so…

计算与语言 · 计算机科学 2021-04-27 Antonis Maronikolakis , Hinrich Schutze , Mark Stevenson

Fake news detection is a significant challenge in the digital age, which has become increasingly important with the proliferation of social media and online communication networks. Graph Neural Networks (GNN)-based methods have shown high…

机器学习 · 计算机科学 2025-02-12 Batool Lakzaei , Mostafa Haghir Chehreghani , Alireza Bagheri

The modeling of binary microlensing light curves via the standard sampling-based method can be challenging, because of the time-consuming light-curve computation and the pathological likelihood landscape in the high-dimensional parameter…

天体物理仪器与方法 · 物理学 2022-10-17 Haimeng Zhao , Wei Zhu

Multimodal recommendation enhances ranking by integrating user-item interactions with item content, which is particularly effective under sparse feedback and long-tail distributions. However, multimodal signals are inherently heterogeneous…

人工智能 · 计算机科学 2026-02-27 Ji Dai , Quan Fang , Dengsheng Cai

The availability and interactive nature of social media have made them the primary source of news around the globe. The popularity of social media tempts criminals to pursue their immoral intentions by producing and disseminating fake news…

多媒体 · 计算机科学 2021-12-29 Faeze Ghorbanpour , Maryam Ramezani , Mohammad A. Fazli , Hamid R. Rabiee

This paper focuses on the detection of potentially dangerous tendencies of social media users in an innovative multimodal way. We integrate Natural Language Processing (NLP) and Graph Neural Networks (GNNs) together. Firstly, we apply NLP…

机器学习 · 计算机科学 2025-09-23 Cuiqianhe Du , Chia-En Chiang , Tianyi Huang , Zikun Cui

Graph representation learning has become a hot research topic due to its powerful nonlinear fitting capability in extracting representative node embeddings. However, for sequential data such as speech signals, most traditional methods…

声音 · 计算机科学 2024-05-08 Yingxue Gao , Huan Zhao , Zixing Zhang

Multimodal Emotion Recognition in Conversation (ERC) plays an influential role in the field of human-computer interaction and conversational robotics since it can motivate machines to provide empathetic services. Multimodal data modeling is…

多媒体 · 计算机科学 2023-11-23 Jiang Li , Xiaoping Wang , Guoqing Lv , Zhigang Zeng

Multi-graph learning is crucial for extracting meaningful signals from collections of heterogeneous graphs. However, effectively integrating information across graphs with differing topologies, scales, and semantics, often in the absence of…

机器学习 · 计算机科学 2026-02-02 Zahra Moslemi , Ziyi Liang , Norbert Fortin , Babak Shahbaba

Massive dissemination of fake news and its potential to erode democracy has increased the demand for accurate fake news detection. Recent advancements in this area have proposed novel techniques that aim to detect fake news by exploring how…

计算与语言 · 计算机科学 2020-09-18 Xinyi Zhou , Atishay Jain , Vir V. Phoha , Reza Zafarani

Recently, fake news with text and images have achieved more effective diffusion than text-only fake news, raising a severe issue of multimodal fake news detection. Current studies on this issue have made significant contributions to…

多媒体 · 计算机科学 2021-08-25 Peng Qi , Juan Cao , Xirong Li , Huan Liu , Qiang Sheng , Xiaoyue Mi , Qin He , Yongbiao Lv , Chenyang Guo , Yingchao Yu

Fake news, rumor, incorrect information, and misinformation detection are nowadays crucial issues as these might have serious consequences for our social fabrics. The rate of such information is increasing rapidly due to the availability of…

计算与语言 · 计算机科学 2018-11-13 Arjun Roy , Kingshuk Basak , Asif Ekbal , Pushpak Bhattacharyya

Since fake news poses a serious threat to society and individuals, numerous studies have been brought by considering text, propagation and user profiles. Due to the data collection problem, these methods based on propagation and user…

计算与语言 · 计算机科学 2022-05-31 Yuhang Wang , Li Wang , Yanjie Yang , Yilin Zhang

Deepfake media is becoming widespread nowadays because of the easily available tools and mobile apps which can generate realistic looking deepfake videos/images without requiring any technical knowledge. With further advances in this field…

计算机视觉与模式识别 · 计算机科学 2022-08-12 Sohail Ahmed Khan , Duc-Tien Dang-Nguyen

In this paper, we study the problem of generalizable synthetic image detection, aiming to detect forgery images from diverse generative methods, e.g., GANs and diffusion models. Cutting-edge solutions start to explore the benefits of…

计算机视觉与模式识别 · 计算机科学 2023-12-29 Huan Liu , Zichang Tan , Chuangchuang Tan , Yunchao Wei , Yao Zhao , Jingdong Wang

Recent developments in image classification and natural language processing, coupled with the rapid growth in social media usage, have enabled fundamental advances in detecting breaking events around the world in real-time. Emergency…

机器学习 · 计算机科学 2020-04-13 Mahdi Abavisani , Liwei Wu , Shengli Hu , Joel Tetreault , Alejandro Jaimes