8/2/2019 Coding Denoise

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dirart

MATLAB toolbox for deformable image registration and

adaptive radiotherapy

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Source path: svn/

trunk/support_programs/edge_perserving_filters/denoise.m

r33 r55

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function varargout = denoise(varargin)

% ARTISTIC M-file for artistic.fig

% ARTISTIC, by itself, creates a new ARTISTIC or raises the existing

% singleton*.%

% H = ARTISTIC returns the handle to a new ARTISTIC or the handle to

% the existing singleton*.

%

% ARTISTIC('CALLBACK',hObject,eventData,handles,...) calls the local

% function named CALLBACK in ARTISTIC.M with the given input arguments.

%

% ARTISTIC('Property','Value',...) creates a new ARTISTIC or raises the

% existing singleton*. Starting from the left, property value pairs are% applied to the GUI before artistic_OpeningFunction gets called. An

% unrecognized property name or invalid value makes property application

% stop. All inputs are passed to artistic_OpeningFcn via varargin.

%

% *See GUI Options on GUIDE's Tools menu. Choose "GUI allows only one

% instance to run (singleton)".

%

% See also: GUIDE, GUIDATA, GUIHANDLES

% Edit the above text to modify the response to help artistic

% Last Modified by GUIDE v2.5 14-Oct-2008 16:07:21

% Begin initialization code - DO NOT EDIT

gui_Singleton = 1;

gui_State = struct('gui_Name', mfilename, ...

'gui_Singleton', gui_Singleton, ...

http://code.google.com/p/dirart/source/browse/trunk/support_programs/edge_perserving_filters/denoise.m?r=55http://code.google.com/p/dirart/source/browse/trunk/support_programs/edge_perserving_filters/denoise.m?r=55http://code.google.com/p/dirart/source/browse/trunk/support_programs/edge_perserving_filters/denoise.m?r=55https://www.google.com/accounts/ServiceLogin?service=code&ltmpl=phosting&continue=http%3A%2F%2Fcode.google.com%2Fp%2Fdirart%2Fsource%2Fbrowse%2Ftrunk%2Fsupport_programs%2Fedge_perserving_filters%2Fdenoise.m%3Fr%3D55&followup=http%3A%2F%2Fcode.google.com%2Fp%2Fdirart%2Fsource%2Fbrowse%2Ftrunk%2Fsupport_programs%2Fedge_perserving_filters%2Fdenoise.m%3Fr%3D55https://www.google.com/accounts/ServiceLogin?service=code&ltmpl=phosting&continue=http%3A%2F%2Fcode.google.com%2Fp%2Fdirart%2Fsource%2Fbrowse%2Ftrunk%2Fsupport_programs%2Fedge_perserving_filters%2Fdenoise.m%3Fr%3D55&followup=http%3A%2F%2Fcode.google.com%2Fp%2Fdirart%2Fsource%2Fbrowse%2Ftrunk%2Fsupport_programs%2Fedge_perserving_filters%2Fdenoise.m%3Fr%3D55https://www.google.com/accounts/ServiceLogin?service=code&ltmpl=phosting&continue=http%3A%2F%2Fcode.google.com%2Fp%2Fdirart%2Fsource%2Fbrowse%2Ftrunk%2Fsupport_programs%2Fedge_perserving_filters%2Fdenoise.m%3Fr%3D55&followup=http%3A%2F%2Fcode.google.com%2Fp%2Fdirart%2Fsource%2Fbrowse%2Ftrunk%2Fsupport_programs%2Fedge_perserving_filters%2Fdenoise.m%3Fr%3D55http://code.google.com/p/dirart/http://code.google.com/p/dirart/http://code.google.com/p/dirart/http://code.google.com/p/dirart/http://code.google.com/p/dirart/http://code.google.com/p/dirart/http://code.google.com/p/dirart/downloads/listhttp://code.google.com/p/dirart/downloads/listhttp://code.google.com/p/dirart/w/listhttp://code.google.com/p/dirart/w/listhttp://code.google.com/p/dirart/issues/listhttp://code.google.com/p/dirart/issues/listhttp://code.google.com/p/dirart/source/checkouthttp://code.google.com/p/dirart/source/checkouthttp://code.google.com/p/dirart/source/checkouthttp://code.google.com/p/dirart/source/checkouthttp://code.google.com/p/dirart/source/checkouthttp://code.google.com/p/dirart/source/browse/http://code.google.com/p/dirart/source/browse/http://code.google.com/p/dirart/source/listhttp://code.google.com/p/dirart/source/listhttp://code.google.com/p/dirart/source/browse/?r=55http://code.google.com/p/dirart/source/browse/?r=55http://code.google.com/p/dirart/source/browse/trunk/?r=55http://code.google.com/p/dirart/source/browse/trunk/?r=55http://code.google.com/p/dirart/source/browse/trunk/support_programs/?r=55http://code.google.com/p/dirart/source/browse/trunk/support_programs/?r=55http://code.google.com/p/dirart/source/browse/trunk/support_programs/?r=55http://code.google.com/p/dirart/source/browse/trunk/support_programs/edge_perserving_filters/?r=55http://code.google.com/p/dirart/source/browse/trunk/support_programs/edge_perserving_filters/?r=55http://code.google.com/p/dirart/source/browse/trunk/support_programs/edge_perserving_filters/?r=55http://code.google.com/p/dirart/source/browse/trunk/support_programs/edge_perserving_filters/denoise.m?r=33http://code.google.com/p/dirart/source/browse/trunk/support_programs/edge_perserving_filters/denoise.m?r=33http://code.google.com/p/dirart/source/browse/trunk/support_programs/edge_perserving_filters/denoise.m?r=55#1http://code.google.com/p/dirart/source/browse/trunk/support_programs/edge_perserving_filters/denoise.m?r=55#1http://code.google.com/p/dirart/source/browse/trunk/support_programs/edge_perserving_filters/denoise.m?r=55#2http://code.google.com/p/dirart/source/browse/trunk/support_programs/edge_perserving_filters/denoise.m?r=55#2http://code.google.com/p/dirart/source/browse/trunk/support_programs/edge_perserving_filters/denoise.m?r=55#3http://code.google.com/p/dirart/source/browse/trunk/support_programs/edge_perserving_filters/denoise.m?r=55#3http://code.google.com/p/dirart/source/browse/trunk/support_programs/edge_perserving_filters/denoise.m?r=55#4http://code.google.com/p/dirart/source/browse/trunk/support_programs/edge_perserving_filters/denoise.m?r=55#4http://code.google.com/p/dirart/source/browse/trunk/support_programs/edge_perserving_filters/denoise.m?r=55#5http://code.google.com/p/dirart/source/browse/trunk/support_programs/edge_perserving_filters/denoise.m?r=55#5http://code.google.com/p/dirart/source/browse/trunk/support_programs/edge_perserving_filters/denoise.m?r=55#6http://code.google.com/p/dirart/source/browse/trunk/support_programs/edge_perserving_filters/denoise.m?r=55#6http://code.google.com/p/dirart/source/browse/trunk/support_programs/edge_perserving_filters/denoise.m?r=55#7http://code.google.com/p/dirart/source/browse/trunk/support_programs/edge_perserving_filters/denoise.m?r=55#7http://code.google.com/p/dirart/source/browse/trunk/support_programs/edge_perserving_filters/denoise.m?r=55#8http://code.google.com/p/dirart/source/browse/trunk/support_programs/edge_perserving_filters/denoise.m?r=55#8http://code.google.com/p/dirart/source/browse/trunk/supp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'gui_OpeningFcn', @artistic_OpeningFcn, ...

'gui_OutputFcn', @artistic_OutputFcn, ...

'gui_LayoutFcn', [] , ...

'gui_Callback', []);

if nargin && ischar(varargin{1})gui_State.gui_Callback = str2func(varargin{1});

end

if nargout

[varargout{1:nargout}] = gui_mainfcn(gui_State, varargin{:});

else

gui_mainfcn(gui_State, varargin{:});

end

% End initialization code - DO NOT EDIT

% --- Executes just before artistic is made visible.

function artistic_OpeningFcn(hObject, eventdata, handles, varargin)

% This function has no output args, see OutputFcn.

% hObject handle to figure

% eventdata reserved - to be defined in a future version of MATLAB

% handles structure with handles and user data (see GUIDATA)

% varargin command line arguments to artistic (see VARARGIN)

% Choose default command line output for artistic

handles.output = hObject;

% Update handles structure

guidata(hObject, handles);

% UIWAIT makes artistic wait for user response (see UIRESUME)

% uiwait(handles.figure1);

handles.sigma = 3;

handles.number = 8;

handles.q = 8;

handles.center = 0.5;

handles.width = 1;guidata(hObject, handles);

if nargin > 3

load_image_Callback([], varargin{1}, handles);

end

% --- Outputs from this function are returned to the command line.

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function varargout = artistic_OutputFcn(hObject, eventdata, handles)

% varargout cell array for returning output args (see VARARGOUT);

% hObject handle to figure

% eventdata reserved - to be defined in a future version of MATLAB

% handles structure with handles and user data (see GUIDATA)% Get default command line output from handles structure

varargout{1} = handles.output;

% --- Executes on button press in load_image.

function load_image_Callback(hObject, eventdata, handles)

% hObject handle to load_image (see GCBO)

% eventdata reserved - to be defined in a future version of MATLAB

% handles structure with handles and user data (see GUIDATA)

if isempty(eventdata)

[FileName,PathName] = uigetfile({'*.jpg; *.jpeg; *.png; *.bmp; *.hdf; *.pbm; *.pcx;

*.pgm; *.pnm; *.ppm; *.ras; *.tif; *.tiff; *.xwd; *.dcm', 'All Image Files'; ...

'*.dcm; *.img','DICOM (*.dcm,*.img)'; ...

'*.jpg; *.jpeg','JPEG (*.jpg, *.jpeg)'; ...

'*.png','Portable Network Graphics (*.png)'; ...

'*.bmp','Windows Bitmap (*.bmp)'; ...

'*.hdf','Hierarchical Data Format (*.hdf)'; ...

'*.pbm','Portable Bitmap (*.pbm)'; ...

'*.pcx','Windows Paintbrush (*.pcx)'; ...

'*.pgm','Portable Graymap (*.pgm)'; ...

'*.pnm','Portable Anymap (*.pnm)'; ...

'*.ppm','Portable Pixmap (*.ppm)'; ...

'*.ras','Sun Raster (*.ras)'; ...

'*.tif; *.tiff','Tagged Image File Format (*.tif, *.tiff)'; ...

'*.xwd','X Windows Dump (*.xwd)'; ...

'*', 'All Files (*.*)'}, ...

'Load image');

if FileName[pathstr, namestr, extstr] = fileparts(FileName);

if strcmpi(extstr,'.dcm') == 1 || strcmpi(extstr,'.img') == 1

% dicom image

handles.img = double(dicomread([PathName,FileName]));

handles.img = handles.img / max(handles.img(:));

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8/2/2019 Coding Denoise

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else

handles.img = double(imread([PathName,FileName]))/255;

end

else

return;end

else

% image data is passed

handles.img = double(eventdata);

handles.img = handles.img / max(handles.img(:));

end

if isfield(handles,'out')

handles = rmfield(handles,'out');

endguidata(handles.figure1, handles);

axes(handles.image);

imshow(handles.img,[handles.center-handles.width/2,handles.center+handles.width/2]);

[nr,nc,N] = size(handles.img);

s = 700/max(nr,nc); if s > 1, s = 1;, end

h_graf = gca;

% set(h_graf, 'Position', [161, 707-nr*s, nc*s, nr*s]);

set(h_graf, 'Visible', 'On', 'XTick', [], 'YTick', []);h_but = findobj('Tag', 'create');

set(h_but, 'Enable', 'On');

h_show = findobj('Tag', 'show_img');

set(h_show, 'Enable', 'off');

% --- Executes on button press in create.

function create_Callback(hObject, eventdata, handles)

% hObject handle to create (see GCBO)

% eventdata reserved - to be defined in a future version of MATLAB

% handles structure with handles and user data (see GUIDATA)

filter = get(handles.Filter_Popupmenu,'value');

% set(hObject, 'Enable', 'off');

h_wait = findobj('Tag', 'wait');

set(h_wait, 'String', 'Please wait...');

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8/2/2019 Coding Denoise

5/17

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drawnow;

sigma = handles.sigma;

number = handles.number;

q = handles.q;

try

switch filter

case 1

% Gaussian low pass filter

handles.out = lowpass2d(handles.img, sigma);

case 2

handles.out = bfilter2(handles.img,sigma,[sigma 0.1]);

% handles.out = bfilter2(handles.img,sigma);

case 3

% Artistic filter

if ndims(handles.img) == 3

handles.out = painter(handles.img, sigma, number, q/2);

else

handles.out = smoothing(handles.img, [],sigma, number, q/2);

end

case 4

% Bilateral and Cross-Bilateral Filter using the Bilateral Grid

handles.out = bilateralFilter(handles.img, handles.img,0,1,sigma, 1,1);

case 5% Nonlocal means filtering

handles.out = NLmeansfilter(handles.img, sigma, number, q);

case 6

% Faster Kuwahara

handles.out = FasterKuwahara(handles.img,5);

case 7

% Frost filter

handles.out = frost(handles.img);

case 8% Lee denoising filter

handles.out = lee(handles.img);

case 9

% Symmetric nearest neighbor edge-preserving filter

handles.out = snn(handles.img,sigma);

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8/2/2019 Coding Denoise

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case 10

% Total variation image denoising

handles.out = tvdenoise(handles.img,sigma,number);

case 11

% Denoising using Fourth Order PDEhandles.out = fpdepyou(handles.img,sigma);

case 12

% Anisotropic Diffusion

handles.out = anisodiff2D(handles.img,number,1/7,1/sigma,1);

case 13

% Nonlocal means denoising

options.k = sigma; % half size for the windows

options.T = 0.1; % width of the gaussian, relative to max(M(:)) (=1

here)

% options.max_dist = 15; % search width, the smaller the faster the algorithmwill be

options.max_dist = number; % search width, the smaller the faster the

algorithm will be

% options.ndims = 30; % number of dimension used for distance computation(PCA dim.reduc. to speed up)

options.ndims = q; % number of dimension used for distance computation

(PCA dim.reduc. to speed up)

options.do_patchwise = 0;

handles.out = perform_nl_means(handles.img,options);case 14

% Bayesian Least Squares - Gaussian Scale Mixture denoising

options.sigma = sigma; % half size for the windows

handles.out = perform_blsgsm_denoising(handles.img,options);

end

guidata(hObject, handles);

axes(handles.image);

imshow(handles.out,[handles.center-handles.width/2,handles.center+handles.width/2]);

% imshow(handles.out,[0.3 0.7]);% set(handles.show_img, 'String', 'Show Original Image');

set(handles.show_img,'value',2);

set(h_wait, 'String', '');

h_show = findobj('Tag', 'show_img');

set(h_show, 'Enable', 'on');

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8/2/2019 Coding Denoise

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8/2/2019 Coding Denoise

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if ispc

set(hObject,'BackgroundColor','white');

else

set(hObject,'BackgroundColor',get(0,'defaultUicontrolBackgroundColor'));

end

function number_Callback(hObject, eventdata, handles)

% hObject handle to number (see GCBO)

% eventdata reserved - to be defined in a future version of MATLAB

% handles structure with handles and user data (see GUIDATA)

% Hints: get(hObject,'String') returns contents of number as text

% str2double(get(hObject,'String')) returns contents of number as a double

handles.number = str2double(get(hObject,'String'));

guidata(hObject, handles);h_but = findobj('Tag', 'create');

set(h_but, 'Enable', 'On');

% --- Executes during object creation, after setting all properties.

function q_CreateFcn(hObject, eventdata, handles)

% hObject handle to q (see GCBO)

% eventdata reserved - to be defined in a future version of MATLAB

% handles empty - handles not created until after all CreateFcns called

% Hint: edit controls usually have a white background on Windows.

% See ISPC and COMPUTER.

if ispc

set(hObject,'BackgroundColor','white');

else

set(hObject,'BackgroundColor',get(0,'defaultUicontrolBackgroundColor'));

end

function q_Callback(hObject, eventdata, handles)

% hObject handle to q (see GCBO)

% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)

% Hints: get(hObject,'String') returns contents of q as text

% str2double(get(hObject,'String')) returns contents of q as a double

handles.q = str2double(get(hObject,'String'));

guidata(hObject, handles);

http://code.google.com/p/dirart/source/browse/trunk/support_programs/edge_perserving_filters/denoise.m?r=55#255http://code.google.com/p/dirart/source/browse/trunk/suppo