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Amber Yijia Zheng

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#machine learning Preprint Aug 2026

Spectral Saliency for Machine Unlearning

Inspired by Muon, this work adopts the spectral view for unlearning and proposes Spectral Saliency Unlearning (SSU), a thresholding approach that thresholds weak singular components and updates only those directions supported by a confident unlearning signal.

Cedar Site Bai, Amber Yijia Zheng, Raymond A. Yeh et al. · 0 citations
Jul 2026

Moving Alphabet: A Controlled Study of Training Data for Text-to-Video Generation

This work introduces Moving Alphabet, a procedural testbed that renders letters with varying fonts, colors, sizes, and positions, moving in different directions and speeds against a black background, to study how data distribution and caption quality impact text-to-video models.

Amber Yijia Zheng, Lu Liu, Raymond A. Yeh et al. · 1 citation

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