Search Results for author: Zechen Li

Found 7 papers, 3 papers with code

COMODO: Cross-Modal Video-to-IMU Distillation for Efficient Egocentric Human Activity Recognition

1 code implementation10 Mar 2025 Baiyu Chen, Wilson Wongso, Zechen Li, Yonchanok Khaokaew, Hao Xue, Flora Salim

By distilling knowledge from video representations, our approach enables the IMU encoder to inherit rich semantic information from video while preserving its efficiency for real-world applications.

Human Activity Recognition Privacy Preserving

SensorLLM: Aligning Large Language Models with Motion Sensors for Human Activity Recognition

1 code implementation14 Oct 2024 Zechen Li, Shohreh Deldari, Linyao Chen, Hao Xue, Flora D. Salim

In this work, we bridge the gap between wearable sensor technology and personalized AI assistants by enabling Large Language Models (LLMs) to understand time-series tasks like human activity recognition (HAR).

Descriptive Human Activity Recognition +1

Enhancing Spatio-temporal Quantile Forecasting with Curriculum Learning: Lessons Learned

no code implementations18 Jun 2024 Du Yin, Jinliang Deng, Shuang Ao, Zechen Li, Hao Xue, Arian Prabowo, Renhe Jiang, Xuan Song, Flora Salim

Furthermore, our framework incorporates a stacking fusion module to combine diverse information from three types of curriculum learning, resulting in a strong and thorough learning process.

Urban Region Embedding via Multi-View Contrastive Prediction

no code implementations15 Dec 2023 Zechen Li, Weiming Huang, Kai Zhao, Min Yang, Yongshun Gong, Meng Chen

Recently, learning urban region representations utilizing multi-modal data (information views) has become increasingly popular, for deep understanding of the distributions of various socioeconomic features in cities.

Contrastive Learning Prediction +1

Self-supervised Regularization for Text Classification

no code implementations9 Mar 2021 Meng Zhou, Zechen Li, Pengtao Xie

The SSL task is unsupervised, which is defined purely on input texts without using any human-provided labels.

General Classification Self-Supervised Learning +2

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