Lpc2000

--- In lpc2000@yahoogroups.com, "Rolf Bredemeier" <rolf_tt@y...> wrote:
> Hi,
> 
> i'm searching for an example for 2d linear interpolation.
> The data is in an array unsigned char [10][400].
> 
> Here is my "worksheet", may be, it help's to explain for i looking on:
> http://www.nur-solutions.de/tmp/2dinterpol.gif
> 
> There is the way to solve  the prob. for x-value 55 and y-value 800
= 59,35
> 
> I need no floting point, unsigned char is only what i need.
> 
> Best regards, Rolf

One possible solution is to use DSP.  Supersample the data (insert
0's) until you have the proper resolution then run it though a low
pass (interpolation) filter and pull out the value you need.  Might be
more compuationally intensive though.  

I think regression would be a bit of an over kill.