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Feature transformation aims to reconstruct the feature space of raw features to enhance the performance of downstream models. However, the exponential growth in the combinations of features and operations poses a challenge, making it…

Machine Learning · Computer Science 2024-12-19 Nanxu Gong , Chandan K. Reddy , Wangyang Ying , Haifeng Chen , Yanjie Fu

An accurate differential diagnosis (DDx) is essential for patient care, shaping therapeutic decisions and influencing outcomes. Recently, Large Language Models (LLMs) have emerged as promising tools to support this process by generating a…

Artificial Intelligence · Computer Science 2025-10-07 Seungseop Lim , Gibaeg Kim , Hyunkyung Lee , Wooseok Han , Jean Seo , Jaehyo Yoo , Eunho Yang

Recent advances in face forgery techniques produce nearly visually untraceable deepfake videos, which could be leveraged with malicious intentions. As a result, researchers have been devoted to deepfake detection. Previous studies have…

Computer Vision and Pattern Recognition · Computer Science 2022-10-13 Jiazhi Guan , Hang Zhou , Zhibin Hong , Errui Ding , Jingdong Wang , Chengbin Quan , Youjian Zhao

Multimodal deepfakes involving audiovisual manipulations are a growing threat because they are difficult to detect with the naked eye or using unimodal deep learningbased forgery detection methods. Audiovisual forensic models, while more…

Computer Vision and Pattern Recognition · Computer Science 2024-11-15 Sahibzada Adil Shahzad , Ammarah Hashmi , Yan-Tsung Peng , Yu Tsao , Hsin-Min Wang

Face manipulation techniques have achieved significant advances, presenting serious challenges to security and social trust. Recent works demonstrate that leveraging multimodal models can enhance the generalization and interpretability of…

Computer Vision and Pattern Recognition · Computer Science 2025-03-03 Ke Sun , Shen Chen , Taiping Yao , Ziyin Zhou , Jiayi Ji , Xiaoshuai Sun , Chia-Wen Lin , Rongrong Ji

With the proliferation of Large Language Models (LLMs), the detection of misinformation has become increasingly important and complex. This research proposes an innovative verifiable misinformation detection LLM agent that goes beyond…

Artificial Intelligence · Computer Science 2025-08-06 Zikun Cui , Tianyi Huang , Chia-En Chiang , Cuiqianhe Du

Large Language Models (LLMs) have demonstrated exceptional proficiency in text understanding and embedding tasks. However, their potential in multimodal representation, particularly for item-to-item (I2I) recommendations, remains…

Information Retrieval · Computer Science 2025-01-22 Chao Zhang , Haoxin Zhang , Shiwei Wu , Di Wu , Tong Xu , Xiangyu Zhao , Yan Gao , Yao Hu , Enhong Chen

This paper presents a novel approach to e-commerce payment fraud detection by integrating reinforcement learning (RL) with Large Language Models (LLMs). By framing transaction risk as a multi-step Markov Decision Process (MDP), RL optimizes…

Machine Learning · Computer Science 2025-09-24 Bo Qu , Zhurong Wang , Daisuke Yagi , Zhen Xu , Yang Zhao , Yinan Shan , Frank Zahradnik

Although Large Language Models (LLMs) are becoming increasingly powerful, they still exhibit significant but subtle weaknesses, such as mistakes in instruction-following or coding tasks. As these unexpected errors could lead to severe…

Computation and Language · Computer Science 2024-12-11 Jiale Cheng , Yida Lu , Xiaotao Gu , Pei Ke , Xiao Liu , Yuxiao Dong , Hongning Wang , Jie Tang , Minlie Huang

The advent of Large Language Models LLMs marks a milestone in Artificial Intelligence, altering how machines comprehend and generate human language. However, LLMs are vulnerable to malicious prompt injection attacks, where crafted inputs…

Computation and Language · Computer Science 2024-10-29 Sahasra Kokkula , Somanathan R , Nandavardhan R , Aashishkumar , G Divya

We present a face detection algorithm based on Deformable Part Models and deep pyramidal features. The proposed method called DP2MFD is able to detect faces of various sizes and poses in unconstrained conditions. It reduces the gap in…

Computer Vision and Pattern Recognition · Computer Science 2015-08-19 Rajeev Ranjan , Vishal M. Patel , Rama Chellappa

The proliferation of sophisticated deepfake technology poses significant challenges to digital security and authenticity. Detecting these forgeries, especially across a wide spectrum of manipulation techniques, requires robust and…

Computer Vision and Pattern Recognition · Computer Science 2025-09-17 Kohou Wang , Huan Hu , Xiang Liu , Zezhou Chen , Ping Chen , Zhaoxiang Liu , Shiguo Lian

Diagnostic prediction and clinical reasoning are critical tasks in healthcare applications. While Large Language Models (LLMs) have shown strong capabilities in commonsense reasoning, they still struggle with diagnostic reasoning due to…

Computation and Language · Computer Science 2026-04-28 Yimin Deng , Zhenxi Lin , Yejing Wang , Guoshuai Zhao , Pengyue Jia , Zichuan Fu , Derong Xu , Yefeng Zheng , Xiangyu Zhao , Li Zhu , Xian Wu , Xueming Qian

Machine learning algorithms are increasingly being applied to fault detection and diagnosis (FDD) in chemical processes. However, existing data-driven FDD platforms often lack interpretability for process operators and struggle to identify…

Artificial Intelligence · Computer Science 2024-12-20 Abdullah Khan , Rahul Nahar , Hao Chen , Gonzalo E. Constante Flores , Can Li

Generating textual rationales from large vision-language models (LVLMs) to support trainable multimodal misinformation detectors has emerged as a promising paradigm. However, its effectiveness is fundamentally limited by three core…

Computation and Language · Computer Science 2025-08-15 Herun Wan , Jiaying Wu , Minnan Luo , Xiangzheng Kong , Zihan Ma , Zhi Zeng

In this paper, we present a novel diagnostic framework that integrates Knowledge Graphs (KGs) and Large Language Models (LLMs) to support system diagnostics in high-reliability systems such as nuclear power plants. Traditional diagnostic…

Artificial Intelligence · Computer Science 2025-09-01 Saman Marandi , Yu-Shu Hu , Mohammad Modarres

Large Multimodal Models (LMMs), or Vision-Language Models (VLMs), have shown impressive capabilities in a wide range of visual tasks. However, they often struggle with fine-grained visual reasoning, failing to identify domain-specific…

Computer Vision and Pattern Recognition · Computer Science 2025-02-26 Yucheng Shi , Quanzheng Li , Jin Sun , Xiang Li , Ninghao Liu

With the rapid development of deep learning technology, more and more face forgeries by deepfake are widely spread on social media, causing serious social concern. Face forgery detection has become a research hotspot in recent years, and…

Computer Vision and Pattern Recognition · Computer Science 2021-09-30 Hao Lin , Weiqi Luo , Kangkang Wei , Minglin Liu

In this paper we propose a novel human-centered approach for detecting forgery in face images, using dynamic prototypes as a form of visual explanations. Currently, most state-of-the-art deepfake detections are based on black-box models…

Computer Vision and Pattern Recognition · Computer Science 2021-01-18 Loc Trinh , Michael Tsang , Sirisha Rambhatla , Yan Liu

We propose PhaseForensics, a DeepFake (DF) video detection method that leverages a phase-based motion representation of facial temporal dynamics. Existing methods relying on temporal inconsistencies for DF detection present many advantages…

Computer Vision and Pattern Recognition · Computer Science 2022-11-18 Ekta Prashnani , Michael Goebel , B. S. Manjunath