Regularization

今天写代码,跑了很多次,也发现了很多bug,不过最后一次实在是没辙了。于是我认识到没有regularization是不可能做出来的……

也挺简单的道理,本来用optimize的办法,多多少少的都要接触Hessian,但是对于(线性)紧算子K(无限空间),其逆算子K^{-1}是不可能连续的(有界),否则:

K K^{-1} is compact, which means the space is finite dimensional!

于是乎,没有regularization是不行滴!明天加上TV项接着来。

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About YiMin

This is just a nerd PhD student of Math@UT Austin.

DOODLE SOMETH

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