What does this refers to?

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Sabarinathan Vadivelu
What does this symbol refers to? How it will be implemented? L(i,j), be an image.
|L(i,j)|||

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Jan
Jan 2012-9-20
The double bars mean the norm. If L(i,j) is "an image", this norm is not uniquely defined and the meaning should be explained anywhere in the surrounding text.

更多回答（1 个）

Wayne King
Wayne King 2012-9-20
That is the norm. It is implemented in MATLAB with norm()
Without additional information, it is not clear which norm represents, i.e. the 2-norm, the 1-norm etc.

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