English
Related papers

Related papers: Retrieving Semantics from the Deep: an RAG Solutio…

200 papers

Retrieval-augmented generation (RAG) techniques have proven to be effective in integrating up-to-date information, mitigating hallucinations, and enhancing response quality, particularly in specialized domains. While many RAG approaches…

This paper focuses on the dynamic optimization of the Retrieval-Augmented Generation (RAG) architecture. It proposes a state-aware dynamic knowledge retrieval mechanism to enhance semantic understanding and knowledge scheduling efficiency…

Computation and Language · Computer Science 2025-04-29 Jacky He , Guiran Liu , Binrong Zhu , Hanlu Zhang , Hongye Zheng , Xiaokai Wang

We propose DiffSHEG, a Diffusion-based approach for Speech-driven Holistic 3D Expression and Gesture generation with arbitrary length. While previous works focused on co-speech gesture or expression generation individually, the joint…

Sound · Computer Science 2024-04-09 Junming Chen , Yunfei Liu , Jianan Wang , Ailing Zeng , Yu Li , Qifeng Chen

Gestures play a key role in human communication. Recent methods for co-speech gesture generation, while managing to generate beat-aligned motions, struggle generating gestures that are semantically aligned with the utterance. Compared to…

Computer Vision and Pattern Recognition · Computer Science 2024-03-27 Muhammad Hamza Mughal , Rishabh Dabral , Ikhsanul Habibie , Lucia Donatelli , Marc Habermann , Christian Theobalt

Existing gesture generation methods primarily focus on upper body gestures based on audio features, neglecting speech content, emotion, and locomotion. These limitations result in stiff, mechanical gestures that fail to convey the true…

Sound · Computer Science 2026-03-10 Yongkang Cheng , Mingjiang Liang , Shaoli Huang , Gaoge Han , Jifeng Ning , Wei Liu

Large pre-trained language models have been shown to store factual knowledge in their parameters, and achieve state-of-the-art results when fine-tuned on downstream NLP tasks. However, their ability to access and precisely manipulate…

Audio-driven cospeech video generation typically involves two stages: speech-to-gesture and gesture-to-video. While significant advances have been made in speech-to-gesture generation, synthesizing natural expressions and gestures remains…

Computer Vision and Pattern Recognition · Computer Science 2025-04-14 Renda Li , Xiaohua Qi , Qiang Ling , Jun Yu , Ziyi Chen , Peng Chang , Mei HanJing Xiao

Retrieval-Augmented Generation (RAG) merges retrieval methods with deep learning advancements to address the static limitations of large language models (LLMs) by enabling the dynamic integration of up-to-date external information. This…

Information Retrieval · Computer Science 2026-05-19 Yizheng Huang , Jimmy Huang

Novel architectures have recently improved generative image synthesis leading to excellent visual quality in various tasks. Of particular note is the field of ``AI-Art'', which has seen unprecedented growth with the emergence of powerful…

Computer Vision and Pattern Recognition · Computer Science 2022-07-27 Robin Rombach , Andreas Blattmann , Björn Ommer

Text-to-image generation increasingly demands access to domain-specific, fine-grained, and rapidly evolving knowledge that pretrained models cannot fully capture, necessitating the integration of retrieval methods. Existing…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Mengdan Zhu , Senhao Cheng , Guangji Bai , Yifei Zhang , Liang Zhao

Audio-driven human gesture synthesis is a crucial task with broad applications in virtual avatars, human-computer interaction, and creative content generation. Despite notable progress, existing methods often produce gestures that are…

Computer Vision and Pattern Recognition · Computer Science 2026-04-03 Xukun Zhou , Fengxin Li , Ming Chen , Yan Zhou , Pengfei Wan , Di Zhang , Yeying Jin , Zhaoxin Fan , Hongyan Liu , Jun He

Building upon the standard graph-based Retrieval-Augmented Generation (RAG), the introduction of heterogeneous graphs and hypergraphs aims to enrich retrieval and generation by leveraging the relationships between multiple entities through…

Computation and Language · Computer Science 2025-09-03 Xuecheng Zou , Ke Liu , Bingbing Wang , Huafei Deng , Li Zhang , Yu Tang

We present a novel extension to Retrieval Augmented Generation with the goal of mitigating factual inaccuracies in the output of large language models. Specifically, our method draws on the cognitive linguistic theory of frame semantics for…

Computation and Language · Computer Science 2024-06-25 Harish Tayyar Madabushi

Creating a virtual avatar with semantically coherent gestures that are aligned with speech is a challenging task. Existing gesture generation research mainly focused on generating rhythmic beat gestures, neglecting the semantic context of…

Computer Vision and Pattern Recognition · Computer Science 2025-07-28 Lanmiao Liu , Esam Ghaleb , Aslı Özyürek , Zerrin Yumak

Retrieval-Augmented Generation (RAG) is a prevalent approach to infuse a private knowledge base of documents with Large Language Models (LLM) to build Generative Q\&A (Question-Answering) systems. However, RAG accuracy becomes increasingly…

Information Retrieval · Computer Science 2025-03-10 Kunal Sawarkar , Abhilasha Mangal , Shivam Raj Solanki

Retrieval Augmented Generation (RAG) has made significant strides in overcoming key limitations of large language models, such as hallucination, lack of contextual grounding, and issues with transparency. However, traditional RAG systems…

Artificial Intelligence · Computer Science 2026-02-24 Yash Saxena , Manas Gaur

The automatic co-speech gesture generation draws much attention in computer animation. Previous works designed network structures on individual datasets, which resulted in a lack of data volume and generalizability across different motion…

Human-Computer Interaction · Computer Science 2023-09-14 Sicheng Yang , Zilin Wang , Zhiyong Wu , Minglei Li , Zhensong Zhang , Qiaochu Huang , Lei Hao , Songcen Xu , Xiaofei Wu , changpeng yang , Zonghong Dai

Gestures that accompany speech are an essential part of natural and efficient embodied human communication. The automatic generation of such co-speech gestures is a long-standing problem in computer animation and is considered an enabling…

Graphics · Computer Science 2023-04-11 Simbarashe Nyatsanga , Taras Kucherenko , Chaitanya Ahuja , Gustav Eje Henter , Michael Neff

Human communication combines speech with expressive nonverbal cues such as hand gestures that serve manifold communicative functions. Yet, current generative gesture generation approaches are restricted to simple, repetitive beat gestures…

Human-Computer Interaction · Computer Science 2025-10-21 Hendric Voss , Stefan Kopp

Retrieval-Augmented Generation (RAG) has emerged as a widely adopted approach for knowledge injection during large language model (LLM) inference in recent years. However, due to their limited ability to exploit fine-grained inter-document…

Computation and Language · Computer Science 2025-09-09 Weitao Li , Kaiming Liu , Xiangyu Zhang , Xuanyu Lei , Weizhi Ma , Yang Liu