Last change
on this file since 323 was
93,
checked in by sommeria, 14 years ago

FFT: improved to deal with NaN data
merge_proj: corrected to reproduce dt if unique
uvmat.fig: tooltip corrected
plot_field: bug for isocontour corrected,
im_filter: cleaning
phys_polar: spatial derivative included (still to check)
set_obeject.fig: minor correction
struct2nc: comments improved
uvmat: button NB implemented
read_civxdata: error message improved

File size:
751 bytes

Line  

1  function DataOut=im_filter(DataIn,Calib)


2  np=20 %size ofthe filtering window


3  %definition of the cos shape matrix filter


4  ix=[1/2np/2:1/2+np/2];%


5  del=np/3;


6  %fct=exp((ix/del).^2);


7  fct2=cos(ix/((np1)/2)*pi/2);


8  %Mfiltre=(ones(5,5)/5^2);


9  Mfiltre=fct2'*fct2;


10  Mfiltre=Mfiltre/(sum(sum(Mfiltre)));%normalize filter


11 


12  DataOut=DataIn; %default


13  Atype=class(DataIn.A)% detect integer 8 or 16 bits


14  if numel(size(DataIn.A))==3


15  DataOut.A=filter2(Mfiltre,sum(DataIn.A,3));%filter the input image, after summation on the color component (for color images)


16  DataOut.A=uint16(DataOut.A); %transform to 16 bit images


17  else


18  DataOut.A=filter2(Mfiltre,DataIn.A)


19  DataOut.A=feval(Atype,DataOut.A);%transform to the initial image format


20  end


21  

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