wavelet-enchance.rar_ENCHANCE THE IMAGE_enchance_wavelet_小波 图像 增

%Display a status/progress bar and inform about the elapsed %as well as the remaining time (linear estimation). % %Synopsis: % % f=statusbar % Get all status/progress bar handles. % % f=statusbar(title) % Create a new status/progress bar. If title is an empty % string, the default 'Progress ...' will be used. % % f=statusbar(title,f) % Reset an existing status/progress bar or create a new % if the handle became invalid. % % f=statusbar(done,f) % For 0 < done < 1, update the progress bar and the elap- % sed time. Estimate the remaining time until completion. % On user abort, return an empty handle. % % v=statusbar('on') % v=statusbar('off') % Set default visibility for new statusbars and return % the previous setting. % % v=statusbar('on',f) % v=statusbar('off',f) % Show or hide an existing statusbar and return the last % visibility setting. % % delete(statusbar) % Remove all status/progress bars. % % drawnow % Refresh all GUI windows. % %Example: % % f=statusbar('Wait some seconds ...'); % for p=0:0.01:1 % pause(0.2); % if isempty(statusbar(p,f)) % break; % end % end % if ishandle(f) % delete(f); % end % Marcel Leutenegger � January 2007 % function f=statusbar(p,f) persistent visible; if nargin < nargout % get handles o='ShowHiddenHandles'; t=get(0,o); set(0,o,'on'); f=findobj(get(0,'Children'),'flat','Tag','StatusBar'); set(0,o,t); return; end curtime=86400*now; if nargin & ischar(p) if isequal(p,'on') | isequal(p,'off') if nargin == 2 if check(f) % show/hide v=get(f,'Visible'); set(f,'Visible',p); end else v=visible; visible=p; % default if ~strcmp(v,'off') v='on'; end end if nargout f=v; end else if nargin == 2 & check(f) % reset modify(f,'Line','XData',[4 4 4]); modify(f,'Rect','Position',[4 54 0.1 22]); modify(f,'Done','String','0'); modify(f,'Time','String','0:00:00'); modify(f,'Task','String','0:00:00'); else f=create(visible); % create end if p set(f,'Name',p); end set(f,'CloseRequestFcn','set(gcbo,''UserData'',-abs(get(gcbo,''UserData'')));','UserData',[curtime curtime 0]); end drawnow; elseif nargin == 2 & check(f) % update t=get(f,'UserData'); if any(t < 0) % confirm if p >= 1 | isequal(questdlg({'Are you sure to stop the execution now?',''},'Abort requested','Stop','Resume','Resume'),'Stop') delete(f); f=[]; % interrupt return; end t=abs(t); set(f,'UserData',t); % continue end p=min(1,max([0 p])); % % Refresh display if % % 1. still computing % 2. computation just finished % or % more than a second passed since last refresh % or % more than 0.4% computed since last refresh % if any(t) & (p >= 1 | curtime-t(2) > 1 | p-t(3) > 0.004) set(f,'UserData',[t(1) curtime p]); t=round(curtime-t(1)); h=floor(t/60); modify(f,'Line','XData',[4 4+248*p 4+248*p]); modify(f,'Rect','Position',[4 54 max(0.1,248*p) 22]); modify(f,'Done','String',sprintf('%u',floor(p*100+0.5))); modify(f,'Time','String',sprintf('%u:%02u:%02u',[floor(h/60);mod(h,60);mod(t,60)])); if p > 0.05 | t > 60 t=ceil(t/p-t); if t < 1e7 h=floor(t/60); modify(f,'Task','String',sprintf('%u:%02u:%02u',[floor(h/60);mod(h,60);mod(t,60)])); end end if p == 1 set(f,'CloseRequestFcn','delete(gcbo);','UserData',[]); end drawnow; end end if ~nargout clear; end %Check if a given handle is a progress bar. % function f=check(f) if f & ishandle(f(1)) & isequal(get(f(1),'Tag'),'StatusBar') f=f(1); else f=[]; end %Create the progress bar. % function f=create(visible) if ~nargin | isempty(visible) visible='on'; end s=[256 80]; t=get(0,'ScreenSize'); f=figure('DoubleBuffer','on','HandleVisibility','off','MenuBar','none','Name','Progress ...','IntegerHandle','off','NumberTitle','off','Resize','off','Position',[floor((t(3:4)-s)/2) s],'Tag','StatusBar','ToolBar','none','Visible',visible); a.Parent=axes('Parent',f,'Position',[0 0 1 1],'Visible','off','XLim',[0 256],'YLim',[0 80]); % %Horizontal bar % rectangle('Position',[4 54 248 22],'EdgeColor','white','FaceColor',[0.7 0.7 0.7],a); line([4 4 252],[55 76 76],'Color',[0.5 0.5 0.5],a); rectangle('Position',[4 54 0.1 22],'EdgeColor','white','FaceColor','red','Tag','Rect',a); line([4 4 4],[54 54 77],'Color',[0.2 0.2 0.2],'Tag','Line',a); % %Description texts % a.FontWeight='bold'; a.Units='pixels'; a.VerticalAlignment='middle'; text(136,66,1,'%',a); text(16,36,'Elapsed time:',a); text(16,20,'Remaining:',a); text(200,36,'hours',a); text(200,20,'hours',a); % %Information texts % a.HorizontalAlignment='right'; text(136,66,1,'0',a,'Tag','Done'); text(198,36,'0:00:00',a,'Tag','Time'); text(198,20,'0:00:00',a,'Tag','Task'); %Modify an object property. % function modify(f,t,p,v) set(findobj(f,'Tag',t),p,v);