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Multimodal large language models (MLLMs) have garnered widespread attention from researchers due to their remarkable understanding and generation capabilities in visual language tasks (e.g., visual question answering). However, the rapid…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Tianyu Huai , Jie Zhou , Xingjiao Wu , Qin Chen , Qingchun Bai , Ze Zhou , Liang He

Vision Large Language Models (VLLMs) have improved multi-modal understanding and visual question answering (VQA), but still suffer from hallucinated answers. Multi-modal Retrieval-Augmented Generation (RAG) helps address these issues by…

Information Retrieval · Computer Science 2025-07-30 Zijian Zhang , Xiaocheng Zhang , Yang Zhou , Zhimin Lin , Peng Yan

Micro-expressions are spontaneous, unconscious facial movements that show people's true inner emotions and have great potential in related fields of psychological testing. Since the face is a 3D deformation object, the occurrence of an…

Computer Vision and Pattern Recognition · Computer Science 2022-04-21 Fengping Wang , Jie Li , Siqi Zhang , Chun Qi , Yun Zhang , Danmin Miao

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…

Computer Vision and Pattern Recognition · Computer Science 2025-10-14 Thi Bich Phuong Man , Luu Tu Nguyen , Vu Tram Anh Khuong , Thanh Ha Le , Thi Duyen Ngo

Prompt learning has been widely adopted to efficiently adapt vision-language models (VLMs) like CLIP for various downstream tasks. Despite their success, current VLM-based facial expression recognition (FER) methods struggle to capture…

Computer Vision and Pattern Recognition · Computer Science 2025-06-27 Fuyan Ma , Yiran He , Bin Sun , Shutao Li

Multi-modal Large Language Models (MLLMs) have introduced a novel dimension to document understanding, i.e., they endow large language models with visual comprehension capabilities; however, how to design a suitable image-text pre-training…

Computer Vision and Pattern Recognition · Computer Science 2025-03-19 Zining Wang , Tongkun Guan , Pei Fu , Chen Duan , Qianyi Jiang , Zhentao Guo , Shan Guo , Junfeng Luo , Wei Shen , Xiaokang Yang

Emotions play a central role in the social life of every human being, and their study, which represents a multidisciplinary subject, embraces a great variety of research fields. Especially concerning the latter, the analysis of facial…

Computer Vision and Pattern Recognition · Computer Science 2021-05-07 Fabio Valerio Massoli , Donato Cafarelli , Claudio Gennaro , Giuseppe Amato , Fabrizio Falchi

The visual world around us constantly evolves, from real-time news and social media trends to global infrastructure changes visible through satellite imagery and augmented reality enhancements. However, Multimodal Large Language Models…

Computer Vision and Pattern Recognition · Computer Science 2025-07-02 Mingyang Fu , Yuyang Peng , Dongping Chen , Zetong Zhou , Benlin Liu , Yao Wan , Zhou Zhao , Philip S. Yu , Ranjay Krishna

Long-term agent memory is increasingly multimodal, yet existing evaluations rarely test whether agents preserve the visual evidence needed for later reasoning. In prior work, many visually grounded questions can be answered using only…

In recent years, large language models (LLMs) have driven major advances in language understanding, marking a significant step toward artificial general intelligence (AGI). With increasing demands for higher-level semantics and cross-modal…

Computation and Language · Computer Science 2025-09-30 Yuntao Shou , Tao Meng , Wei Ai , Keqin Li

Emotion understanding is a critical yet challenging task. Most existing approaches rely heavily on identity-sensitive information, such as facial expressions and speech, which raises concerns about personal privacy. To address this, we…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Deng Li , Bohao Xing , Xin Liu , Baiqiang Xia , Bihan Wen , Heikki Kälviäinen

Large Vision-Language Models (LVLMs) have shown promising performance in vision-language understanding and reasoning tasks. However, their visual understanding behaviors remain underexplored. A fundamental question arises: to what extent do…

Computer Vision and Pattern Recognition · Computer Science 2025-03-19 Xiaoying Xing , Chia-Wen Kuo , Li Fuxin , Yulei Niu , Fan Chen , Ming Li , Ying Wu , Longyin Wen , Sijie Zhu

Depression is a common mental health disorder that can cause consequential symptoms with continuously depressed mood that leads to emotional distress. One category of depression is Concealed Depression, where patients intentionally or…

Computer Vision and Pattern Recognition · Computer Science 2023-08-01 Xiaohui Chen , Tie Luo

With advances in multimodal research and deep learning, Multimodal Large Language Models (MLLMs) have emerged as a powerful paradigm for a wide range of multimodal tasks. As a core problem in vision-language research, Visual Question…

Computer Vision and Pattern Recognition · Computer Science 2026-05-06 Quanxing Xu , Ling Zhou , Xian Zhong , Xiaohua Huang , Rubing Huang , Chia-Wen Lin

Deep facial expression recognition faces two challenges that both stem from the large number of trainable parameters: long training times and a lack of interpretability. We propose a novel method based on evolutionary algorithms, that deals…

Neural and Evolutionary Computing · Computer Science 2020-10-14 Emmanuel Dufourq , Bruce A. Bassett

Accurate diagnosis of ophthalmic diseases relies heavily on the interpretation of multimodal ophthalmic images, a process often time-consuming and expertise-dependent. Visual Question Answering (VQA) presents a potential interdisciplinary…

Image and Video Processing · Electrical Eng. & Systems 2024-10-23 Xiaolan Chen , Ruoyu Chen , Pusheng Xu , Weiyi Zhang , Xianwen Shang , Mingguang He , Danli Shi

The field of Automatic Facial Expression Analysis has grown rapidly in recent years. However, despite progress in new approaches as well as benchmarking efforts, most evaluations still focus on either posed expressions, near-frontal…

Computer Vision and Pattern Recognition · Computer Science 2017-02-15 Michel F. Valstar , Enrique Sánchez-Lozano , Jeffrey F. Cohn , László A. Jeni , Jeffrey M. Girard , Zheng Zhang , Lijun Yin , Maja Pantic

Multimodal conversation, a crucial form of human communication, carries rich emotional content, making the exploration of the causes of emotions within it a research endeavor of significant importance. However, existing research on the…

Computation and Language · Computer Science 2025-06-05 Lin Wang , Xiaocui Yang , Shi Feng , Daling Wang , Yifei Zhang , Zhitao Zhang

Multimodal large language models (MLLMs) can simultaneously process visual, textual, and auditory data, capturing insights that complement human analysis. However, existing video question-answering (VidQA) benchmarks and datasets often…

Machine Learning · Computer Science 2024-12-23 Jean Park , Kuk Jin Jang , Basam Alasaly , Sriharsha Mopidevi , Andrew Zolensky , Eric Eaton , Insup Lee , Kevin Johnson

Unlike macro-expression, micro-expression does not follow a strictly consistent mapping rule between emotions and Action Units (AUs). As a result, some micro-expressions share identical AUs yet represent completely opposite emotional…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Chenxing Hu , Kun Xie , Qiguang Miao , Ruyi Liu , Quan Wang , Zongkai Yang