第一章 压缩感知简介
1.1引言
- 压缩感知背后的基本理念是：我们倾向于找出直接从压缩格式中感知数据的方法，即使用一个更低的采样率，而不是先用一个高采样率采样然后压缩采样数据。
- 若一个信号有稀疏表示，那么它由一系列线性的、非自适应的观测量精确重建。这个结果表明通过比较少的观测量就可将信号稀疏感知表示，这也是压缩感知的名字由来。
|压缩感知|经典采样|
|–|--|
|有限维信号 | 无限长、连续信号|
详细解决方案
Compressed Sensing：Theory and Applications笔记（1）
热度：39 发布时间：2024-02-07 10:27:11.0
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