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This paper presents a novel hierarchical framework for portfolio optimization, integrating lightweight Large Language Models (LLMs) with Deep Reinforcement Learning (DRL) to combine sentiment signals from financial news with traditional…

Portfolio Management · Quantitative Finance 2025-07-25 Benjamin Coriat , Eric Benhamou

Detecting fake news in large datasets is challenging due to its diversity and complexity, with traditional approaches often focusing on textual features while underutilizing semantic and emotional elements. Current methods also rely heavily…

Computation and Language · Computer Science 2024-10-22 Xiaoman Xu , Xiangrun Li , Taihang Wang , Ye Jiang

Image fusion aims to blend complementary information from multiple sensing modalities, yet existing approaches remain limited in robustness, adaptability, and controllability. Most current fusion networks are tailored to specific tasks and…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Jiayang Li , Chengjie Jiang , Junjun Jiang , Pengwei Liang , Jiayi Ma , Liqiang Nie

Fusing multiple modalities has proven effective for multimodal information processing. However, the incongruity between modalities poses a challenge for multimodal fusion, especially in affect recognition. In this study, we first analyze…

Computation and Language · Computer Science 2023-11-14 Yaoting Wang , Yuanchao Li , Paul Pu Liang , Louis-Philippe Morency , Peter Bell , Catherine Lai

Multimodal sentiment analysis has attracted increasing attention and lots of models have been proposed. However, the performance of the state-of-the-art models decreases sharply when they are deployed in the real world. We find that the…

Computation and Language · Computer Science 2022-09-21 Yang Wu , Yanyan Zhao , Hao Yang , Song Chen , Bing Qin , Xiaohuan Cao , Wenting Zhao

Deep learning has emerged as a powerful alternative to hand-crafted methods for emotion recognition on combined acoustic and text modalities. Baseline systems model emotion information in text and acoustic modes independently using Deep…

Audio and Speech Processing · Electrical Eng. & Systems 2020-10-13 Darshana Priyasad , Tharindu Fernando , Simon Denman , Clinton Fookes , Sridha Sridharan

Multimodal sentiment analysis utilizes multiple heterogeneous modalities for sentiment classification. The recent multimodal fusion schemes customize LSTMs to discover intra-modal dynamics and design sophisticated attention mechanisms to…

Artificial Intelligence · Computer Science 2020-10-19 Sunny Verma , Jiwei Wang , Zhefeng Ge , Rujia Shen , Fan Jin , Yang Wang , Fang Chen , Wei Liu

In this paper, we propose a novel framework for recognizing both discrete and dimensional emotions. In our framework, deep features extracted from foundation models are used as robust acoustic and visual representations of raw video. Three…

Audio and Speech Processing · Electrical Eng. & Systems 2023-09-18 Haotian Wang , Yuxuan Xi , Hang Chen , Jun Du , Yan Song , Qing Wang , Hengshun Zhou , Chenxi Wang , Jiefeng Ma , Pengfei Hu , Ya Jiang , Shi Cheng , Jie Zhang , Yuzhe Weng

Fine-grained emotion classification, which identifies specific emotional states such as happiness, anger, sadness, and fear, remains a challenging task in natural language processing. This study benchmarks classical machine learning and…

This paper proposes a multimodal emotion recognition system based on hybrid fusion that classifies the emotions depicted by speech utterances and corresponding images into discrete classes. A new interpretability technique has been…

Computer Vision and Pattern Recognition · Computer Science 2023-01-10 Puneet Kumar , Sarthak Malik , Balasubramanian Raman

Inter-modal interaction plays an indispensable role in multimodal sentiment analysis. Due to different modalities sequences are usually non-alignment, how to integrate relevant information of each modality to learn fusion representations…

Computation and Language · Computer Science 2022-12-23 Kaicheng Yang , Ruxuan Zhang , Hua Xu , Kai Gao

Multimodal Sentiment Analysis (MSA) is critical for human-computer interaction but faces challenges when the modalities are incomplete or missing. Existing methods often assume pre-defined missing modalities or fixed missing rates, limiting…

Human-Computer Interaction · Computer Science 2025-11-24 Liling Li , Guoyang Xu , Xiongri Shen , Zhifei Xu , Yanbo Zhang , Zhiguo Zhang , Zhenxi Song

Multimodal sentiment analysis is an important research area that predicts speaker's sentiment tendency through features extracted from textual, visual and acoustic modalities. The central challenge is the fusion method of the multimodal…

Computation and Language · Computer Science 2020-09-29 Zilong Wang , Zhaohong Wan , Xiaojun Wan

Multimodal sentiment analysis enhances conventional sentiment analysis, which traditionally relies solely on text, by incorporating information from different modalities such as images, text, and audio. This paper proposes a novel…

Computer Vision and Pattern Recognition · Computer Science 2025-03-12 Taoxu Zhao , Meisi Li , Kehao Chen , Liye Wang , Xucheng Zhou , Kunal Chaturvedi , Mukesh Prasad , Ali Anaissi , Ali Braytee

Accurately detecting sentiment polarity and intensity in product reviews and social media posts remains challenging due to informal and domain-specific language. To address this, we propose a novel hybrid lexicon-fuzzy-transformer framework…

Computation and Language · Computer Science 2025-12-11 Shayan Rokhva , Mousa Alizadeh , Maryam Abdollahi Shamami

Multimodal fine-grained sentiment analysis has recently attracted increasing attention due to its broad applications. However, the existing multimodal fine-grained sentiment datasets most focus on annotating the fine-grained elements in…

Computation and Language · Computer Science 2022-06-29 Hao Yang , Yanyan Zhao , Jianwei Liu , Yang Wu , Bing Qin

Decoding speech from brain signals is a challenging research problem. Although existing technologies have made progress in reconstructing the mel spectrograms of auditory stimuli at the word or letter level, there remain core challenges in…

Sound · Computer Science 2025-08-12 Cunhang Fan , Sheng Zhang , Jingjing Zhang , Enrui Liu , Xinhui Li , Gangming Zhao , Zhao Lv

Sentiment analysis plays a crucial role in various domains, such as business intelligence and financial forecasting. Large language models (LLMs) have become a popular paradigm for sentiment analysis, leveraging multi-task learning to…

Computation and Language · Computer Science 2025-06-30 Hongcheng Ding , Xuanze Zhao , Ruiting Deng , Shamsul Nahar Abdullah , Deshinta Arrova Dewi , Zixiao Jiang

Deep learning models frequently encounter feature uncertainty in diverse learning scenarios, significantly impacting their performance and reliability. This challenge is particularly complex in multi-modal scenarios, where models must…

Machine Learning · Computer Science 2025-06-05 Jiahao Qin , Bei Peng , Feng Liu , Guangliang Cheng , Lu Zong

Multimodal learning integrates complementary information from diverse modalities to enhance the decision-making process. However, the potential of multimodal collaboration remains under-exploited due to disparities in data quality and…

Computer Vision and Pattern Recognition · Computer Science 2025-10-29 Chengxuan Qian , Kai Han , Jiaxin Liu , Zhenlong Yuan , Zhengzhong Zhu , Jingchao Wang , Chongwen Lyu , Jun Chen , Zhe Liu