main.m

A matlab gui for basic image processing operations

% --- Executes during object creation, after setting all properties.
function edit_un_alpha_CreateFcn(hObject, eventdata, handles)
% hObject    handle to edit_un_alpha (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 && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))
    set(hObject,'BackgroundColor','white');
end



function edit_edge_threshold_Callback(hObject, eventdata, handles)
% hObject    handle to edit_edge_threshold (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 edit_edge_threshold as text
%        str2double(get(hObject,'String')) returns contents of edit_edge_threshold as a double


% --- Executes during object creation, after setting all properties.
function edit_edge_threshold_CreateFcn(hObject, eventdata, handles)
% hObject    handle to edit_edge_threshold (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 && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))
    set(hObject,'BackgroundColor','white');
end


% --- Executes on button press in pushbutton_filter.
function pushbutton_filter_Callback(hObject, eventdata, handles)
% hObject    handle to pushbutton_filter (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
global choice;
global image;
input1=str2num(get(handles.edit_av_rows,'String'));input2=str2num(get(handles.edit_av_col,'String'));
input3=str2num(get(handles.edit_disk_radius,'String'));
input4=str2num(get(handles.edit_g_rows,'String'));input5=str2num(get(handles.edit_g_col,'String'));input6=str2num(get(handles.edit_g_sigma,'String'));
input7=str2num(get(handles.edit_l_alpha,'String'));
input8=str2num(get(handles.edit_log_rows,'String'));input9=str2num(get(handles.edit_log_col,'String'));input10=str2num(get(handles.edit_log_sigma,'String'));
input11=str2num(get(handles.edit_m_len,'String'));
input13=str2num(get(handles.edit_un_alpha,'String'));

if (choice==1)
        if ((input1<=0)||(input2<=0))
            validate(1);
        end
        rows=str2num(get(handles.edit_av_rows,'String'));
        col=str2num(get(handles.edit_av_col,'String'));
        H = fspecial('average',[rows col]);
        F = imfilter(image,H,'replicate');
        cla(handles.axes_edges);
        axes(handles.axes_edges);imshow(F);
end
 
if (choice==2)
        if (input3<=0)
            validate(2);
        end
        radius=str2num(get(handles.edit_disk_radius,'String'));
        H = fspecial('disk',radius);
        F = imfilter(image,H,'replicate');
        cla(handles.axes_edges);
        axes(handles.axes_edges);imshow(F);
end

if (choice==3)
        if ((input4<=0) || (input5<=0) || (input6<=0))
            validate(3);
            return;
        end
        rows=str2num(get(handles.edit_g_rows,'String'));
        col=str2num(get(handles.edit_g_col,'String'));
        sigma=str2num(get(handles.edit_g_sigma,'String'));
        H = fspecial('gaussian',[rows col],sigma);
        F = imfilter(image,H,'replicate');
        cla(handles.axes_edges);
        axes(handles.axes_edges);imshow(F);  
end
if (choice==4)
        if ((input7<0)||(input7>1))
            validate(4);
        end
        alpha=str2num(get(handles.edit_l_alpha,'String'));
        H = fspecial('laplacian',alpha);
        F = imfilter(image,H,'replicate');
        cla(handles.axes_edges);
        axes(handles.axes_edges);imshow(F);  
end
if (choice==5)
       if ((input8<=0)||(input9<=0)||(input10<=0))
            validate(5);
        end
        rows=str2num(get(handles.edit_log_rows,'String'));
        col=str2num(get(handles.edit_log_col,'String'));
        sigma=str2num(get(handles.edit_log_sigma,'String'));
        H = fspecial('log',[rows col],sigma);
        F = imfilter(image,H,'replicate');
        cla(handles.axes_edges);
        axes(handles.axes_edges);imshow(F);  
end
 
if (choice==6)
        if (input11<=0)
            validate(6);
        end
        len=str2num(get(handles.edit_m_len,'String'));
        theta=str2num(get(handles.edit_m_theta,'String'));
        H = fspecial('motion',len,theta);
        F = imfilter(image,H,'replicate');
        cla(handles.axes_edges);
        axes(handles.axes_edges);imshow(F);  
end

if (choice==7)
        if (input13<=0 ||(input13>1))
            validate(7);
        end
        alpha=str2num(get(handles.edit_un_alpha,'String'));
        H = fspecial('unsharp',alpha);
        F = imfilter(image,H,'replicate');
        cla(handles.axes_edges);
        axes(handles.axes_edges);imshow(F);  
end
function edit_m_len_Callback(hObject, eventdata, handles)
% hObject    handle to edit_m_len (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 edit_m_len as text
%        str2double(get(hObject,'String')) returns contents of edit_m_len as a double


% --- Executes during object creation, after setting all properties.
function edit_m_len_CreateFcn(hObject, eventdata, handles)
% hObject    handle to edit_m_len (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 && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))
    set(hObject,'BackgroundColor','white');
end



function edit_m_theta_Callback(hObject, eventdata, handles)
% hObject    handle to edit_m_theta (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 edit_m_theta as text
%        str2double(get(hObject,'String')) returns contents of edit_m_theta as a double


% --- Executes during object creation, after setting all properties.
function edit_m_theta_CreateFcn(hObject, eventdata, handles)
% hObject    handle to edit_m_theta (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 && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))
    set(hObject,'BackgroundColor','white');
end



function edit_av_rows_Callback(hObject, eventdata, handles)
% hObject    handle to edit_av_rows (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 edit_av_rows as text
%        str2double(get(hObject,'String')) returns contents of edit_av_rows as a double


% --- Executes during object creation, after setting all properties.
function edit_av_rows_CreateFcn(hObject, eventdata, handles)
% hObject    handle to edit_av_rows (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 && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))
    set(hObject,'BackgroundColor','white');
end



function edit_av_col_Callback(hObject, eventdata, handles)
% hObject    handle to edit_av_col (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 edit_av_col as text
%        str2double(get(hObject,'String')) returns contents of edit_av_col as a double


% --- Executes during object creation, after setting all properties.
function edit_av_col_CreateFcn(hObject, eventdata, handles)
% hObject    handle to edit_av_col (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 && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))
    set(hObject,'BackgroundColor','white');
end



function edit_thr_Callback(hObject, eventdata, handles)
% hObject    handle to edit_thr (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 edit_thr as text
%        str2double(get(hObject,'String')) returns contents of edit_thr as a double


% --- Executes during object creation, after setting all properties.
function edit_thr_CreateFcn(hObject, eventdata, handles)
% hObject    handle to edit_thr (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 && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))
    set(hObject,'BackgroundColor','white');
end


% --- Executes on button press in pushbutton_edge.
function pushbutton_edge_Callback(hObject, eventdata, handles)
% hObject    handle to pushbutton_edge (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
global edge_choice;global image_edge;
input=str2num(get(handles.edit_thr,'String'));
if (isempty(input)) || (input<0) || (input>1)
    msgboxText{1} =  'You have tried to input something that is NOT '; 
    msgboxText{2} = 'a number or a negative number!';
    msgboxText{3} =  'Try an input greater than zero and less than 1.';
    msgbox(msgboxText,'Incorrect paramenter!', 'warn','modal');
    return;
end

if (edge_choice==1)
    
    BW = edge(image_edge,'sobel',input);
    cla(handles.axes_edges);
    axes(handles.axes_edges);imshow(BW);
end
if (edge_choice==2)
    
    BW = edge(image_edge,'prewitt',input);
    cla(handles.axes_edges);
    axes(handles.axes_edges);imshow(BW);
end
if (edge_choice==3)
   
    BW = edge(image_edge,'roberts',input);
    cla(handles.axes_edges);
    axes(handles.axes_edges);imshow(BW);
end
if (edge_choice==4)
    
    BW = edge(image_edge,'zerocross',input);
    cla(handles.axes_edges);
    axes(handles.axes_edges);imshow(BW);
end
if (edge_choice==5)
    
    BW = edge(image_edge,'canny',input);
    cla(handles.axes_edges);
    axes(handles.axes_edges);imshow(BW);
end