Unverified50% confidenceFactExact time
求解稀疏表示是NP难的L0范数最小化问题，但在满足约束等距性（RIP）的字典下，L1松弛（LASSO）可以精确恢复稀疏解
1
Sources
50%
Confidence
Long-term
Relevance
7/9/2026
First Seen
Sources
Block-Sparse Featurizers: Opening the Black Box of Vision Model Neural Geometry
hackernewshackernews7/7/2026
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