【图像去噪】基于多种滤波器图像去噪含Matlab源码

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本文探讨了在MATLAB中应用均值滤波、中值滤波及维纳滤波等方法对图像进行去噪处理的技术。通过对比分析同一图像在不同去噪方法下的处理效果，研究了图像处理质量的差异。

1 简介

在当前的图像处理之中,一般情况下会采用均值滤波,中值滤波,维纳滤波等方法对图像进行去噪,在此之外,还需要使用MATLAB技术对不同的滤波方法进行处理,以达到自己所想要的效果.本文在研究的过程中对同一个图像采用不同呢噪声处理方法的结果进行对比分析,从而探究图像处理效果的不同.

2 部分代码

function varargout = jiemian(varargin)% JIEMIAN Application M-file for jiemian.fig%    FIG = JIEMIAN launch jiemian GUI.%    JIEMIAN('callback_name', ...) invoke the named callback.% Last Modified by GUIDE v2.5 04-Mar-2022 18:40:40if nargin == 0  % LAUNCH GUI  fig = openfig(mfilename,'reuse');  % Use system color scheme for figure:  set(fig,'Color',get(0,'defaultUicontrolBackgroundColor'));  % Generate a structure of handles to pass to callbacks, and store it.   handles = guihandles(fig);  guidata(fig, handles);  if nargout > 0    varargout{1} = fig;  endelseif ischar(varargin{1}) % INVOKE NAMED SUBFUNCTION OR CALLBACK  try    if (nargout)      [varargout{1:nargout}] = feval(varargin{:}); % FEVAL switchyard    else      feval(varargin{:}); % FEVAL switchyard    end  catch    disp(lasterr);  endend% --------------------------------------------------------------------function varargout = Untitled_1_Callback(h, eventdata, handles, varargin)% --------------------------------------------------------------------function varargout = Untitled_2_Callback(h, eventdata, handles, varargin)% --- Executes on button press in Savepushbutton7.function Savepushbutton7_Callback(hObject, eventdata, handles)% hObject    handle to Savepushbutton7 (see GCBO)% eventdata  reserved - to be defined in a future version of MATLAB% handles    structure with handles and user data (see GUIDATA)global im_original im_noised im_filtered[filename, pathname] = uiputfile( '*.bmp;*.pgm;*.tif;*.jpg;*.*', 'Save imagecrop image');imwrite(im_filtered,filename);% --- Executes on button press in Saveushbutton7.function Saveushbutton7_Callback(hObject, eventdata, handles)% hObject    handle to Saveushbutton7 (see GCBO)% eventdata  reserved - to be defined in a future version of MATLAB% handles    structure with handles and user data (see GUIDATA)global im_original im_noised im_filtered[filename, pathname] = uiputfile( '*.bmp;*.pgm;*.tif;*.jpg;*.*', 'Save imagecrop image');imwrite(im_filtered,filename);