Efficient local minima detector 1.0

Let r_scale be the neighborhood radius scale, a brute search method would require N*r_scale to detect the valleys with neighborhood size of r_scale in 1d signal or N*r_scale*r_scale complexity in 2d image. Which is too slow in large data size. In this file, the complexity is reduced in N*log(r_scale) in both 1d and 2d data.Notes:To run the code, firstly you have to generate the dll using:local_min_complie;

Requirements:	No special requirements
Platforms:	Matlab
Keyword:	1d And,  And 2d,  Be The,  Both 1d,  Brute Search,  Code Firstly,  Complexity,  Data Size,  Datanotesto,  Datanotesto Run,  Detect,  Dll Usinglocal,  Image,  In Both,  In This,  Large,  Neighborhood Size,  Nlogr,  Signal
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