📝 Selected Publications

Self-Improvement in Multimodal Large Language Models: A Survey

Shijian Deng, Kai Wang, Tianyu Yang, Harsh Singh, Yapeng Tian.

EMNLP 2025 (Findings)

Lumina-Video: Efficient and Flexible Video Generation with Multi-scale Next-DiT

Dongyang Liu^*, Shicheng Li^*, Yutong Liu^*, Zhen Li^*, Kai Wang^*, Xinyue Li^*, Qi Qin, Yufei Liu, Yi Xin, Zhongyu Li, Bin Fu, Chenyang Si, Yuewen Cao, Conghui He, Ziwei Liu, Yu Qiao, Qibin Hou, Hongsheng Li, Peng Gao

Under Review

Prompt Image to Watch and Hear: Multimodal Prompting for Parameter-Efficient Audio-Visual Learning

Kai Wang, Shentong Mo, Yapeng Tian, Dimitrios Hatzinakos.

BMVC 2025 (Poster)

AV-DiT: Taming Image Diffusion Transformers for Efficient Joint Audio and Video Generation

Kai Wang, Shijian Deng, Jing Shi, Dimitrios Hatzinakos, Yapeng Tian.

ACM Multimedia 2025 (Oral)

• We design an efficient audio-visual diffusion transformer generate high-quality, realistic videos with both visual and audio tracks.

MMLU-Pro: A more robust and challenging multi-task language understanding benchmark

Yubo Wang, Xueguang Ma, Ge Zhang, Yuansheng Ni, Abhranil Chandra, Shiguang Guo, Weiming Ren, Aaran Arulraj, Xuan He, Ziyan Jiang, Tianle Li, Max Ku, Kai Wang, Alex Zhuang, Rongqi Fan, Xiang Yue, Wenhu Chen.

NeurIPS 2024 (Spotlight)

VideoScore: Building Automatic Metrics to Simulate Fine-grained Human Feedback for Video Generation

Xuan He, Dongfu Jiang, Ge Zhang, Max Ku, Achint Soni, Sherman Siu, Haonan Chen, Abhranil Chandra, Ziyan Jiang, Aaran Arulraj, Kai Wang, Quy Duc Do, Yuansheng Ni, Bohan Lyu, Yaswanth Narsupalli, Rongqi Fan, Zhiheng Lyu, Yuchen Lin, Wenhu Chen

EMNLP 2024 (Main)

Towards Efficient Audio-Visual Learners via Empowering Pre-trained Vision Transformers with Cross-Modal Adaptation

Kai Wang,Yapeng Tian, Dimitrios Hatzinakos.

CVPR 2024

• We propose a Spatial-Temporal-Global Cross-Modal Adaptation (STG-CMA) to gradually equip the frozen ViTs with the capability for learning audio-visual representation.

HARWE: A multi-modal large-scale dataset for context-aware human activity recognition in smart working environments

Alireza Esmaeilzehi^*, Ensieh Khazaei^*, Kai Wang^*, Navjot Kaur Kalsi, Pai Chet Ng, Huan Liu, Yuanhao Yu, Dimitrios Hatzinakos, Konstantinos Plataniotis.

Pattern Recognition Letter

• We propose a novel dataset for the task of human activity recognition, in which the labels are specified for the working environments.

MoMA: Mixture-of-Modality-Adaptations for Transferring Knowledge from Image Models Towards Efficient Audio-Visual Action Recognition

Kai Wang, Dimitrios Hatzinakos.

ICASSP 2024 (Oral)

• We propose a novel parameter-efficient scheme called Mixture-of-Modality-Adaptations (MoMA) for audio-visual action recognition.

• We propose the SEformer, an efficient dual-path conformer neural network for speech enhancement.

Cptnn: Cross-parallel transformer neural network for time-domain speech enhancement

Kai Wang, Bengbeng He and Wei-Ping Zhu.

IWAENC 2022

TSTNN: Two-stage transformer based neural network for speech enhancement in the time domain

Kai Wang, Bengbeng He and Wei-Ping Zhu.

ICASSP 2021