燕京大学硕士论文，关于稀疏编码，涉及到多层字典学习算法，很优秀的论文-Yenching University Master' s thesis on sparse coding, involving multi-dictionary learning algorithm, very good papers

本文档是Karl Skretting的博士论文，主要研究dictionary learning，以及重叠帧里稀疏信号的呈现。-This document is Karl Skretting s PhD thesis, which focuses on dictionary learning and the presentation of sparse signals in overlapping frames.