segmentation.rar_The Image_image segmentation

function varargout = fna3(varargin) gui_Singleton = 1; gui_State = struct('gui_Name', mfilename, ... 'gui_Singleton', gui_Singleton, ... 'gui_OpeningFcn', @fna3_OpeningFcn, ... 'gui_OutputFcn', @fna3_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 function fna3_OpeningFcn(hObject, eventdata, handles, varargin) handles.output = hObject; guidata(hObject, handles); function varargout = fna3_OutputFcn(hObject, eventdata, handles) varargout{1} = handles.output; % --- Executes on button press in resmi_getir. function resmi_getir_Callback(hObject, eventdata, handles) % hObject handle to resmi_getir (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) global image [filename,pathname] = uigetfile(); if filename==0 msgbox(sprintf('L�tfen bir resim se�iniz'),'Hata','error') end axes(handles.image) image=imread(filename); imshow(image); % --- Executes on button press in hazir_threshold. function hazir_threshold_Callback(hObject, eventdata, handles) % hObject handle to hazir_threshold (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) global image axes(handles.image_processing) level = graythresh(image); thresh = im2bw(image, level); imshow(thresh) % --- Executes on button press in histogram. function histogram_Callback(hObject, eventdata, handles) % hObject handle to histogram (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) global image axes(handles.axes3) x = (0:1:255); freq = zeros(256,1); for i=1:size(image,1) for j = 1:size(image,2) value = image(i,j); freq(value+1) = freq(value+1)+1; end end bar(x,freq); axis([0 256 0 30000]); % --- Executes on button press in otsu. function otsu_Callback(hObject, eventdata, handles) % hObject handle to otsu (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) global image axes(handles.image_processing) img=rgb2gray(image); imshow(img>110); % --- Executes on button press in sobel. function sobel_Callback(hObject, eventdata, handles) % hObject handle to sobel (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) global image axes(handles.image_processing) B = rgb2gray(image); C = double(B); for i=1:size(C,1)-2 for j=1:size(C,2)-2%Sobel mask for x-direction: Gx=((2*C(i+2,j+1)+C(i+2,j)+C(i+2,j+2))-(2*C(i,j+1)+C(i,j)+C(i,j+2)));%Sobel mask for y-direction: Gy=((2*C(i+1,j+2)+C(i,j+2)+C(i+2,j+2))-(2*C(i+1,j)+C(i,j)+C(i+2,j)));%The gradient of the image %B(i,j)=abs(Gx)+abs(Gy); B(i,j)=sqrt(Gx.^2+Gy.^2); end end imshow(B) % --- Executes on button press in prewitt. function prewitt_Callback(hObject, eventdata, handles) % hObject handle to prewitt (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) global image axes(handles.image_processing) B = rgb2gray(image); C = double(B); for i=1:size(C,1)-2 for j=1:size(C,2)-2%Sobel mask for x-direction: Gx=((C(i+2,j+1)+C(i+2,j)+C(i+2,j+2))-(C(i,j+1)+C(i,j)+C(i,j+2)));%Sobel mask for y-direction: Gy=((C(i+1,j+2)+C(i,j+2)+C(i+2,j+2))-(C(i+1,j)+C(i,j)+C(i+2,j)));%The gradient of the image %B(i,j)=abs(Gx)+abs(Gy); B(i,j)=sqrt(Gx.^2+Gy.^2); end end imshow(B)