🏢 Department of Computer Science, University College London
FactorizePhys: Matrix Factorization for Multidimensional Attention in Remote Physiological Sensing
·3096 words·15 mins·
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AI Generated
Computer Vision
Video Understanding
🏢 Department of Computer Science, University College London
FactorizePhys leverages Non-negative Matrix Factorization for a novel multidimensional attention mechanism (FSAM) to improve remote PPG signal extraction from videos.
Analysing the Generalisation and Reliability of Steering Vectors
·2935 words·14 mins·
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Natural Language Processing
Large Language Models
🏢 Department of Computer Science, University College London
Steering vectors, while promising for controlling LLMs, show unreliable in- and out-of-distribution performance, highlighting crucial limitations for real-world applications.