%IM_HIST_EQUALIZE Histogram equalization of images stored in a dataset%                  (DIP_Image)%%	B = IM_HIST_EQUALIZE(A)%	B = A*IM_HIST_EQUALIZE%% INPUT%   A        Dataset with object images dataset (possibly multi-band)%% OUTPUT%   B        Dataset with filtered images%% SEE ALSO% DATASETS, DATAFILES, DIP_IMAGE, HIST_EQUALIZE% Copyright: R.P.W. Duin, r.p.w.duin@prtools.org% Faculty EWI, Delft University of Technology% P.O. Box 5031, 2600 GA Delft, The Netherlandsfunction b = im_hist_equalize(a)	prtrace(mfilename);	  if nargin < 1 | isempty(a)    b = mapping(mfilename,'fixed');    b = setname(b,'Image hist_equalize');	elseif isa(a,'dataset') % allows datafiles too		isobjim(a);    b = filtim(a,mfilename);  elseif isa(a,'double') | isa(a,'dip_image') % here we have a single image		a = 1.0*dip_image(a);		b = hist_equalize(a);	end	return