Search Results for author: Xiaohao Liu

Found 2 papers, 1 papers with code

rFaceNet: An End-to-End Network for Enhanced Physiological Signal Extraction through Identity-Specific Facial Contours

no code implementations14 Mar 2024 Dali Zhu, Wenli Zhang, Hualin Zeng, Xiaohao Liu, Long Yang, Jiaqi Zheng

Remote photoplethysmography (rPPG) technique extracts blood volume pulse (BVP) signals from subtle pixel changes in video frames.

Heart rate estimation

Leveraging Multimodal Features and Item-level User Feedback for Bundle Construction

1 code implementation28 Oct 2023 Yunshan Ma, Xiaohao Liu, Yinwei Wei, Zhulin Tao, Xiang Wang, Tat-Seng Chua

Specifically, we use self-attention modules to combine the multimodal and multi-item features, and then leverage both item- and bundle-level contrastive learning to enhance the representation learning, thus to counter the modality missing, noise, and sparsity problems.

Contrastive Learning Representation Learning

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