English
Related papers

Related papers: LPM 1.0: Video-based Character Performance Model

200 papers

In this technical report, we target generating anthropomorphized personas for LLM-based characters in an online manner, including visual appearance, personality and tones, with only text descriptions. To achieve this, we first leverage the…

Computer Vision and Pattern Recognition · Computer Science 2023-11-14 Yilin Zhao , Xinbin Yuan , Shanghua Gao , Zhijie Lin , Qibin Hou , Jiashi Feng , Daquan Zhou

Maintaining consistent characters, props, and environments across multiple shots is a central challenge in narrative video generation. Existing models can produce high-quality short clips but often fail to preserve entity identity and…

Computer Vision and Pattern Recognition · Computer Science 2026-01-08 Jinsong Zhou , Yihua Du , Xinli Xu , Luozhou Wang , Zijie Zhuang , Yehang Zhang , Shuaibo Li , Xiaojun Hu , Bolan Su , Ying-cong Chen

Can out-of-the-box pretrained Large Language Models (LLMs) detect human affect successfully when observing a video? To address this question, for the first time, we evaluate comprehensively the capacity of popular LLMs for successfully…

Computer Vision and Pattern Recognition · Computer Science 2026-01-30 David Melhart , Matthew Barthet , Georgios N. Yannakakis

Latent Diffusion Models (LDMs) enable high-quality image synthesis while avoiding excessive compute demands by training a diffusion model in a compressed lower-dimensional latent space. Here, we apply the LDM paradigm to high-resolution…

Computer Vision and Pattern Recognition · Computer Science 2023-12-29 Andreas Blattmann , Robin Rombach , Huan Ling , Tim Dockhorn , Seung Wook Kim , Sanja Fidler , Karsten Kreis

Human conversation involves language, speech, and visual cues, with each medium providing complementary information. For instance, speech conveys a vibe or tone not fully captured by text alone. While multimodal LLMs focus on generating…

Human-Computer Interaction · Computer Science 2025-09-19 Taesoo Kim , Yongsik Jo , Hyunmin Song , Taehwan Kim

Long-term, open-domain dialogue capabilities are essential for chatbots aiming to recall past interactions and demonstrate emotional intelligence (EI). Yet, most existing research relies on synthetic, LLM-generated data, leaving open…

Computation and Language · Computer Science 2025-02-20 Dong-Ho Lee , Adyasha Maharana , Jay Pujara , Xiang Ren , Francesco Barbieri

Persona-assigned large language models (LLMs) are used in domains such as education, healthcare, and sociodemographic simulation. Yet, they are typically evaluated only in short, single-round settings that do not reflect real-world usage.…

Computation and Language · Computer Science 2026-01-21 Pedro Henrique Luz de Araujo , Michael A. Hedderich , Ali Modarressi , Hinrich Schuetze , Benjamin Roth

We introduce X-Streamer, an end-to-end multimodal human world modeling framework for building digital human agents capable of infinite interactions across text, speech, and video within a single unified architecture. Starting from a single…

Computer Vision and Pattern Recognition · Computer Science 2025-09-29 You Xie , Tianpei Gu , Zenan Li , Chenxu Zhang , Guoxian Song , Xiaochen Zhao , Chao Liang , Jianwen Jiang , Hongyi Xu , Linjie Luo

Reinforcement learning (RL) recommender systems often rely on static datasets that fail to capture the fluid, ever changing nature of user preferences in real-world scenarios. Meanwhile, generative AI techniques have emerged as powerful…

Information Retrieval · Computer Science 2025-09-10 Danial Ebrat , Eli Paradalis , Luis Rueda

Large Language Models (LLMs) reveal inherent and distinctive personas through dialogue. However, most existing persona discovery approaches rely on surface-level lexical or stylistic cues, treating dialogue as a flat sequence of tokens and…

Computation and Language · Computer Science 2026-04-28 Jisoo Yang , Jongwon Ryu , Minuk Ma , Trung X. Pham , Junyeong Kim

Recent works have shown that large language model (LLM) agents are able to improve themselves from experience, which is an important ability for continuous enhancement post-deployment. However, existing benchmarks primarily evaluate their…

Computation and Language · Computer Science 2024-11-01 Cheng-Kuang Wu , Zhi Rui Tam , Chieh-Yen Lin , Yun-Nung Chen , Hung-yi Lee

Large Language Models (LLMs) demonstrate remarkable ability to comprehend instructions and generate human-like text, enabling sophisticated agent simulation beyond basic behavior replication. However, the potential for creating freely…

Computation and Language · Computer Science 2025-09-17 Bohao Yang , Dong Liu , Chenghao Xiao , Kun Zhao , Chen Tang , Chao Li , Lin Yuan , Guang Yang , Chenghua Lin

In recent years, large language models (LLMs) have achieved breakthrough progress in many dialogue generation tasks. However, their lack of emotion and fine-grained role awareness limits the model's ability to provide personalized and…

Computation and Language · Computer Science 2025-03-26 Ke Ji , Yixin Lian , Linxu Li , Jingsheng Gao , Weiyuan Li , Bin Dai

Recent advances in video understanding have been driven by MLLMs. But these MLLMs are good at analyzing short videos, while suffering from difficulties in understanding videos with a longer context. To address this difficulty, several agent…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Zikang Wang , Boyu Chen , Zhengrong Yue , Yi Wang , Yu Qiao , Limin Wang , Yali Wang

Cutscenes are carefully choreographed cinematic sequences embedded in video games and interactive media, serving as the primary vehicle for narrative delivery, character development, and emotional engagement. Producing cutscenes is…

Training mental health clinicians to conduct standardized clinical assessments is challenging due to a lack of scalable, realistic practice opportunities, which can impact data quality in clinical trials. To address this gap, we introduce a…

Human-Computer Interaction · Computer Science 2025-12-30 Veronica Bossio Botero , Vijay Yadav , Jacob Ouyang , Anzar Abbas , Michelle Worthington

Can Large Language Models (LLMs) simulate humans in making important decisions? Recent research has unveiled the potential of using LLMs to develop role-playing language agents (RPLAs), mimicking mainly the knowledge and tones of various…

Artificial Intelligence · Computer Science 2024-11-19 Rui Xu , Xintao Wang , Jiangjie Chen , Siyu Yuan , Xinfeng Yuan , Jiaqing Liang , Zulong Chen , Xiaoqing Dong , Yanghua Xiao

Large Language Models (LLMs), such as ChatGPT, exhibit advanced capabilities in generating text, images, and videos. However, their effective use remains constrained by challenges in prompt formulation, personalization, and opaque…

Human-Computer Interaction · Computer Science 2025-03-04 Si Thu , A. Baki Kocaballi

Current video generation models excel at creating short, realistic clips, but struggle with longer, multi-scene videos. We introduce \texttt{DreamFactory}, an LLM-based framework that tackles this challenge. \texttt{DreamFactory} leverages…

Artificial Intelligence · Computer Science 2024-08-22 Zhifei Xie , Daniel Tang , Dingwei Tan , Jacques Klein , Tegawend F. Bissyand , Saad Ezzini

Large language models (LLMs) enabled dialogue systems have become one of the central modes in human-machine interaction, which bring about vast amounts of conversation logs and increasing demand for dialogue generation. The dialogue's…

Computation and Language · Computer Science 2025-06-02 Minzheng Wang , Xinghua Zhang , Kun Chen , Nan Xu , Haiyang Yu , Fei Huang , Wenji Mao , Yongbin Li