@inproceedings{chen2022kstransformer, title={Key-Sparse Transformer for Multimodal Speech Emotion Recognition}, author={Weidong Chen and Xiaofen Xing and Xiangmin Xu and Jichen Yang and Jianxin Pang}, booktitle={IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)}, year={2022}, }