Scaling Wearable Foundation Models (LSM)

Summary

Google Research (with UW, MIT, USC) presents LSM (Large Sensor Model), the largest published wearable foundation model trained on 40 million hours of multimodal sensor data from 165,000 users. The central contribution is establishing scaling laws for wearable sensor models — demonstrating that performance improves predictably as a function of data, model size, and compute, analogous to language model scaling.