通过MATLAB实现图像曲线调整功能,能够调理局部的亮度

function varargout = toneCure(varargin) cur = cd; addpath(genpath(cur)); warning off; gui_Singleton = 1; gui_State = struct('gui_Name', mfilename, ... 'gui_Singleton', gui_Singleton, ... 'gui_OpeningFcn', @toneCure_OpeningFcn, ... 'gui_OutputFcn', @toneCure_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 toneCure is made visible. function toneCure_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 toneCure (see VARARGIN) % Choose default command line output for toneCure handles.output = hObject; % Update handles structure guidata(hObject, handles); cla(handles.axes2,'reset'); % 重置清空动态axes1的数据 cla(handles.axes3,'reset'); % 重置清空动态axes1的数据 cla(handles.axes4,'reset'); % 重置清空动态axes1的数据 clear global points; %%每次启动清空全局变量 global points; % 自定义数组 clear global Num; global Num; Num = 1; points(1,1:2)=0.0; points(2,1:2)=0.2; points(3,1:2)=0.4; points(4,1:2)=0.6; points(5,1:2)=0.8; points(6,1:2)=1; % axes(handles.axes2); %% y = P(1)*X^N + P(2)*X^(N-1) +...+ P(N)*X + P(N+1); %% p是参数， N是指数位置 p1 = polyfit(points(:,1), points(:,2), 5); %% y = x + b; x=0:0.01:1; y = polyval(p1, x); % hold on; y2 = x ; plot(x, y2, 'k-.', 'LineWidth', 1, 'parent', handles.axes2); hold on; plot(x, y, 'r-', points(:,1), points(:,2), 'b*', 'LineWidth', 1.25, 'parent', handles.axes2) ; legend('y = x', 'y = f(x)', 'Location', 'northwest'); grid on; global idx idx=0; guidata(hObject, handles); % UIWAIT makes toneCure wait for user response (see UIRESUME) % uiwait(handles.figure1); % --- Outputs from this function are returned to the command line. function varargout = toneCure_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 selection change in popupmenu1. function popupmenu1_Callback(hObject, eventdata, handles) % hObject handle to popupmenu1 (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) % Hints: contents = cellstr(get(hObject,'String')) returns popupmenu1 contents as cell array % contents{get(hObject,'Value')} returns selected item from popupmenu1 %% 针对不同通道进行提取处理后的曲线工具 clear global Num; global Num; switch(get(handles.popupmenu1,'Value')) case 1 Num =1; case 2 Num =2; case 3 Num =3; case 4 Num =4; case 5 Num = 5; case 6 Num =6; case 7 Num =7; case 8 Num =8; case 9 Num = 9; case 10 Num =10; case 11 Num =11; case 12 Num =12; end guidata(hObject,handles ); % --- Executes during object creation, after setting all properties. function popupmenu1_CreateFcn(hObject, eventdata, handles) % hObject handle to popupmenu1 (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles empty - handles not created until after all CreateFcns called % Hint: popupmenu 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 edit1_Callback(hObject, eventdata, handles) % hObject handle to edit1 (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 edit1 as text % str2double(get(hObject,'String')) returns contents of edit1 as a double % --- Executes during object creation, after setting all properties. function edit1_CreateFcn(hObject, eventdata, handles) % hObject handle to edit1 (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 selection change in popupmenu4. function popupmenu4_Callback(hObject, eventdata, handles) % hObject handle to popupmenu4 (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) % Hints: contents = cellstr(get(hObject,'String')) returns popupmenu4 contents as cell array % contents{get(hObject,'Value')} returns selected item from popupmenu4 %% 直方图显示选项 global DealIMG; global ImgOri; if (get(handles.popupmenu4,'Value') > 0) switch(get(handles.popupmenu4,'Value')) case 1 cla(handles.axes3,'reset'); axes(handles.axes3); histogram(ImgOri); hold on; histogram(DealIMG); grid on legend('原图', '处理图') case 2 cla(handles.axes3,'reset'); axes(handles.axes3); histogram(ImgOri); grid on legend('原图'); case 3 cla(handles.axes3,'reset'); axes(handles.axes3); histogram(DealIMG); grid on legend('处理图'); end end guidata(hObject,handles ); % --- Executes during object creation, after setting all properties. function popupmenu4_CreateFcn(hObject, eventdata, handles) % hObject handle to popupmenu4 (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles empty - handles not created until after all CreateFcns called % Hint: popupmenu 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 pushbutton2. function pushbutton2_Callback(hObject, eventdata, handles) % hObject handle to pushbutton2 (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) %% 打开图像 guidata(hObject, handles); %更新数据 cla(handles.axes2,'reset'); % 重置清空动态axes2的数据 cla(handles.axes3,'reset'); cla(handles.axes4,'reset'); set(handles.popupmenu1,'Value', 1) ; set(handles.popupmenu4,'Value', 1) ; clear global Str; clear global points; %%每次启动清空全局变量 clear global Num; global Str; global ImgOri; global Num; global points; % 自定义数组 global idx idx=0; Num = 1; points(1,1:2)=0.0; points(2,1:2)=0.2; points(3,1:2)=0.4; points(4,1:2)=0.6; points(5,1:2)=0.8; points(6,1:2)=1; % axes(handles.axes2); %% y = P(1)*X^N + P(2)*X^(N-1) +...+ P(N)*X + P(N+1); %% p是参数， N是指数位置 p1 = polyfit(points(:,1), points(:,2), 5); %% y = x + b; x=0:0.01:1; y = polyval(p1, x); % hold on; y2 = x ; plot(x,