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Diffusion models are primarily trained for image synthesis, yet their denoising trajectories encode rich, spatially aligned visual priors. In this paper, we demonstrate that these priors can be utilized for text-conditioned semantic and…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Haoxiao Wang , Antao Xiang , Haiyang Sun , Peilin Sun , Changhao Pan , Yifu Chen , Minjie Hong , Weijie Wang , Shuang Chen , Yue Chen , Zhou Zhao

Emotion detection is a critical technology extensively employed in diverse fields. While the incorporation of commonsense knowledge has proven beneficial for existing emotion detection methods, dialogue-based emotion detection encounters…

Computation and Language · Computer Science 2023-09-14 Yuting Su , Yichen Wei , Weizhi Nie , Sicheng Zhao , Anan Liu

Diffusion models have recently gained significant attention in robotics due to their ability to generate multi-modal distributions of system states and behaviors. However, a key challenge remains: ensuring precise control over the generated…

Robotics · Computer Science 2025-10-01 Luobin Wang , Hongzhan Yu , Chenning Yu , Sicun Gao , Henrik Christensen

Deep latent variable models have been shown to facilitate the response generation for open-domain dialog systems. However, these latent variables are highly randomized, leading to uncontrollable generated responses. In this paper, we…

Computation and Language · Computer Science 2017-07-07 Xiaoyu Shen , Hui Su , Yanran Li , Wenjie Li , Shuzi Niu , Yang Zhao , Akiko Aizawa , Guoping Long

Emotional text-to-speech seeks to convey affect while preserving intelligibility and prosody, yet existing methods rely on coarse labels or proxy classifiers and receive only utterance-level feedback. We introduce Emotion-Aware Stepwise…

Computation and Language · Computer Science 2026-02-10 Jiacheng Shi , Hongfei Du , Yangfan He , Y. Alicia Hong , Ye Gao

Each utterance in multi-turn empathetic dialogues has features such as emotion, keywords, and utterance-level meaning. Feature transitions between utterances occur naturally. However, existing approaches fail to perceive the transitions…

Computation and Language · Computer Science 2022-05-09 Wongyu Kim , Youbin Ahn , Donghyun Kim , Kyong-Ho Lee

We present a method to control a text-to-image generative model to produce training data useful for supervised learning. Unlike previous works that employ an open-loop approach and pre-define prompts to generate new data using either a…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Teresa Yeo , Andrei Atanov , Harold Benoit , Aleksandr Alekseev , Ruchira Ray , Pooya Esmaeil Akhoondi , Amir Zamir

Emotions play a central role in human communication, shaping trust, engagement, and social interaction. As artificial intelligence systems powered by large language models become increasingly integrated into everyday life, enabling them to…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-11 Soumya Dutta

Recently, diffusion-based image generation methods are credited for their remarkable text-to-image generation capabilities, while still facing challenges in accurately generating multilingual scene text images. To tackle this problem, we…

Computer Vision and Pattern Recognition · Computer Science 2023-12-20 Lingjun Zhang , Xinyuan Chen , Yaohui Wang , Yue Lu , Yu Qiao

In an era where visual content generation is increasingly driven by machine learning, the integration of human feedback into generative models presents significant opportunities for enhancing user experience and output quality. This study…

Computer Vision and Pattern Recognition · Computer Science 2023-07-20 Dimitri von Rütte , Elisabetta Fedele , Jonathan Thomm , Lukas Wolf

Automated dialogue systems are important applications of artificial intelligence, and traditional systems struggle to understand user emotions and provide empathetic feedback. This study integrates emotional intelligence technology into…

Artificial Intelligence · Computer Science 2024-04-30 Jin Wang , JinFei Wang , Shuying Dai , Jiqiang Yu , Keqin Li

Conversational agents are increasingly used as support tools along mental therapeutic pathways with significant societal impacts. In particular, empathy is a key non-functional requirement in therapeutic contexts, yet current chatbot…

Computation and Language · Computer Science 2026-01-14 Francesco Dettori , Matteo Forasassi , Lorenzo Veronese , Livia Lestingi , Vincenzo Scotti , Matteo Giovanni Rossi

This paper addresses the problem of generating dynamically admissible trajectories for control tasks using diffusion models, particularly in scenarios where the environment is complex and system dynamics are crucial for practical…

Robotics · Computer Science 2025-10-15 Darshan Gadginmath , Fabio Pasqualetti

Diffusion models have been extensively utilized in AI-generated content (AIGC) in recent years, thanks to the superior generation capabilities. Combining with semantic communications, diffusion models are used for tasks such as denoising,…

Machine Learning · Computer Science 2025-07-10 Lei Guo , Wei Chen , Yuxuan Sun , Bo Ai , Nikolaos Pappas , Tony Q. S. Quek

Speech-driven 3D facial animation plays a key role in applications such as virtual avatars, gaming, and digital content creation. While existing methods have made significant progress in achieving accurate lip synchronization and generating…

Graphics · Computer Science 2025-07-16 Yifang Pan , Karan Singh , Luiz Gustavo Hafemann

Advancements in artificial intelligence and machine learning have significantly improved synthetic speech generation. This paper explores diffusion models, a novel method for creating realistic synthetic speech. We create a diffusion…

Cryptography and Security · Computer Science 2025-01-15 Anton Firc , Kamil Malinka , Petr Hanáček

Diffusion models have become a new generative paradigm for text generation. Considering the discrete categorical nature of text, in this paper, we propose GlyphDiffusion, a novel diffusion approach for text generation via text-guided image…

Computation and Language · Computer Science 2023-05-09 Junyi Li , Wayne Xin Zhao , Jian-Yun Nie , Ji-Rong Wen

Diffusion models have recently shown remarkable success in high-quality image generation. Sometimes, however, a pre-trained diffusion model exhibits partial misalignment in the sense that the model can generate good images, but it sometimes…

Computer Vision and Pattern Recognition · Computer Science 2023-11-01 TaeHo Yoon , Kibeom Myoung , Keon Lee , Jaewoong Cho , Albert No , Ernest K. Ryu

Diffusion models offer unprecedented image generation power given just a text prompt. While emerging approaches for controlling diffusion models have enabled users to specify the desired spatial layouts of the generated content, they cannot…

Computer Vision and Pattern Recognition · Computer Science 2025-02-18 Yunxiang Zhang , Nan Wu , Connor Z. Lin , Gordon Wetzstein , Qi Sun

Current speech language models generate responses directly without explicit reasoning, leading to errors that cannot be corrected once audio is produced. We introduce \textbf{``Silent Thought, Spoken Answer''} -- a paradigm where speech…

Computation and Language · Computer Science 2026-02-02 Yuxuan Lou , Ziming Wu , Yaochen Wang , Yong Liu , Yingxuan Ren , Fuming Lai , Shaobing Lian , Jie Tang , Yang You