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In recent years, live video streaming has gained widespread popularity across various social media platforms. Quality of experience (QoE), which reflects end-users' satisfaction and overall experience, plays a critical role for media…

Multimedia · Computer Science 2026-05-07 Zehao Zhu , Wei Sun , Jun Jia , Wei Wu , Sibin Deng , Kai Li , Ying Chen , Xiongkuo Min , Jia Wang , Guangtao Zhai

In human dialogue, a single query may elicit numerous appropriate responses. The Transformer-based dialogue model produces frequently occurring sentences in the corpus since it is a one-to-one mapping function. CVAE is a technique for…

Computation and Language · Computer Science 2022-10-25 Huihui Yang

Emotional voice conversion (VC) aims to convert a neutral voice to an emotional (e.g. happy) one while retaining the linguistic information and speaker identity. We note that the decoupling of emotional features from other speech…

Audio and Speech Processing · Electrical Eng. & Systems 2021-10-05 Zhaojie Luo , Shoufeng Lin , Rui Liu , Jun Baba , Yuichiro Yoshikawa , Ishiguro Hiroshi

Multimodal generative models should be able to learn a meaningful latent representation that enables a coherent joint generation of all modalities (e.g., images and text). Many applications also require the ability to accurately sample…

Machine Learning · Computer Science 2021-08-02 Svetlana Kutuzova , Oswin Krause , Douglas McCloskey , Mads Nielsen , Christian Igel

Audiovisual emotion recognition (AVER) aims to infer human emotions from nonverbal visual-audio (VA) cues, offering modality-complementary and language-agnostic advantages. However, AVER remains challenging due to the inherent ambiguity of…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Hao Cheng , Zhiwei Zhao , Yichao He , Zhenzhen Hu , Jia Li , Meng Wang , Richang Hong

Understanding emotions in videos is a challenging task. However, videos contain several modalities which make them a rich source of data for machine learning and deep learning tasks. In this work, we aim to improve video sentiment…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Mehrshad Saadatinia , Minoo Ahmadi , Armin Abdollahi

Existing video multi-modal sentiment analysis mainly focuses on the sentiment expression of people within the video, yet often neglects the induced sentiment of viewers while watching the videos. Induced sentiment of viewers is essential…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Qi Jia , Baoyu Fan , Cong Xu , Lu Liu , Liang Jin , Guoguang Du , Zhenhua Guo , Yaqian Zhao , Xuanjing Huang , Rengang Li

Variational AutoEncoder (VAE) has been extended as a representative nonlinear method for collaborative filtering. However, the bottleneck of VAE lies in the softmax computation over all items, such that it takes linear costs in the number…

Machine Learning · Computer Science 2022-05-31 Jin Chen , Defu Lian , Binbin Jin , Xu Huang , Kai Zheng , Enhong Chen

The generation of talking avatars has achieved significant advancements in precise audio synchronization. However, crafting lifelike talking head videos requires capturing a broad spectrum of emotions and subtle facial expressions. Current…

Computer Vision and Pattern Recognition · Computer Science 2025-01-10 Huaize Liu , Wenzhang Sun , Donglin Di , Shibo Sun , Jiahui Yang , Changqing Zou , Hujun Bao

Recently, emotion recognition based on physiological signals has emerged as a field with intensive research. The utilization of multi-modal, multi-channel physiological signals has significantly improved the performance of emotion…

Multimedia · Computer Science 2023-08-22 Xinda Li

Blended emotion recognition is challenging because emotions are often expressed as mixtures of subtle and overlapping multimodal cues rather than a single dominant signal. We propose a rank-aware multi-encoder framework that selectively…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Junghyun Lee , Hyunseo Kim , Hanna Jang , Junhyug Noh

Purpose: Handling heterogeneous and mixed data types has become increasingly critical with the exponential growth in real-world databases. While deep generative models attempt to merge diverse data views into a common latent space, they…

Machine Learning · Computer Science 2024-10-23 Alejandro Guerrero-López , Carlos Sevilla-Salcedo , Vanessa Gómez-Verdejo , Pablo M. Olmos

Variational Autoencoder is a scalable method for learning latent variable models of complex data. It employs a clear objective that can be easily optimized. However, it does not explicitly measure the quality of learned representations. We…

Machine Learning · Computer Science 2020-05-29 Andriy Serdega , Dae-Shik Kim

From customer feedback to social media, understanding human sentiment in text is central to how machines can interact meaningfully with people. However, despite notable progress, accurately capturing sentiment remains a challenging task,…

Information Retrieval · Computer Science 2026-03-24 Soudeep Ghoshal , Himanshu Buckchash , Sarita Paudel , Rubén Ruiz-Torrubiano

Weakly-supervised temporal action localization is a problem of learning an action localization model with only video-level action labeling available. The general framework largely relies on the classification activation, which employs an…

Computer Vision and Pattern Recognition · Computer Science 2020-03-31 Baifeng Shi , Qi Dai , Yadong Mu , Jingdong Wang

Recent advances in AI-generated video have shown strong performance on \emph{text-to-video} tasks, particularly for short clips depicting a single scene. However, current models struggle to generate longer videos with coherent scene…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Hanwen Shen , Jiajie Lu , Yupeng Cao , Xiaonan Yang

Identifying customer segments in retail banking portfolios with different risk profiles can improve the accuracy of credit scoring. The Variational Autoencoder (VAE) has shown promising results in different research domains, and it has been…

Computational Engineering, Finance, and Science · Computer Science 2018-06-08 Rogelio Andrade Mancisidor , Michael Kampffmeyer , Kjersti Aas , Robert Jenssen

Cold-start item recommendation is a significant challenge in recommendation systems, particularly when new items are introduced without any historical interaction data. While existing methods leverage multi-modal content to alleviate the…

Information Retrieval · Computer Science 2025-11-13 Chuan He , Yongchao Liu , Qiang Li , Wenliang Zhong , Chuntao Hong , Xinwei Yao

The COVID-19 pandemic and the internet's availability have recently boosted online learning. However, monitoring engagement in online learning is a difficult task for teachers. In this context, timely automatic student engagement…

Computer Vision and Pattern Recognition · Computer Science 2025-02-18 Sandeep Mandia , Kuldeep Singh , Rajendra Mitharwal , Faisel Mushtaq , Dimpal Janu

Recommending appropriate tags to items can facilitate content organization, retrieval, consumption and other applications, where hybrid tag recommender systems have been utilized to integrate collaborative information and content…

Information Retrieval · Computer Science 2022-04-21 Jing Yi , Xubin Ren , Zhenzhong Chen
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