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		<title>Deteksi Tepi Dengan MATLAB</title>
		<link>http://kungtz.wordpress.com/2008/11/11/deteksi-tepi-dengan-matlab/</link>
		<comments>http://kungtz.wordpress.com/2008/11/11/deteksi-tepi-dengan-matlab/#comments</comments>
		<pubDate>Tue, 11 Nov 2008 00:23:40 +0000</pubDate>
		<dc:creator>kungtz</dc:creator>
				<category><![CDATA[KULIAH]]></category>

		<guid isPermaLink="false">http://kungtz.wordpress.com/?p=12</guid>
		<description><![CDATA[&#60;!&#8211; @page { size: 8.5in 11in; margin: 0.79in } P { margin-bottom: 0.08in } &#8211;&#62; MAT LAB lagi nih !!!!! sekarang gw mau coba ngasih tau pendekteksian tepi dengan menggunakan mat lab agak sedikit susah tapi sebenernya gw cuman ngedit dari kode yang kemaren, tampilannya (gui) juga ampir sama ama yang perataan histogram.Metode yang gw [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=kungtz.wordpress.com&amp;blog=5067311&amp;post=12&amp;subd=kungtz&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>&lt;!&#8211; 		@page { size: 8.5in 11in; margin: 0.79in } 		P { margin-bottom: 0.08in } 	&#8211;&gt;</p>
<p style="margin-bottom:0;">MAT  LAB lagi nih  !!!!! sekarang gw mau coba ngasih tau pendekteksian tepi dengan menggunakan mat lab agak sedikit susah tapi sebenernya gw cuman ngedit dari kode yang kemaren, tampilannya (gui) juga ampir sama ama yang perataan histogram.Metode yang gw pake sobel dan prewitt</p>
<p style="margin-bottom:0;"><span id="more-12"></span></p>
<p style="margin-bottom:0;">Nih source codenya :</p>
<p style="margin-bottom:0;">
<p style="margin-bottom:0;" lang="sv-SE">function varargout = deteksi_tepi(varargin)</p>
<p style="margin-bottom:0;" lang="sv-SE">% DETEKSI_TEPI M-file for deteksi_tepi.fig</p>
<p style="margin-bottom:0;">%      DETEKSI_TEPI, by itself, creates a new DETEKSI_TEPI or raises the existing</p>
<p style="margin-bottom:0;">%      singleton*.</p>
<p style="margin-bottom:0;">%</p>
<p style="margin-bottom:0;">%      H = DETEKSI_TEPI returns the handle to a new DETEKSI_TEPI or the handle to</p>
<p style="margin-bottom:0;">%      the existing singleton*.</p>
<p style="margin-bottom:0;">%</p>
<p style="margin-bottom:0;">%      DETEKSI_TEPI(&#8216;CALLBACK&#8217;,hObject,eventData,handles,&#8230;) calls the local</p>
<p style="margin-bottom:0;">%      function named CALLBACK in DETEKSI_TEPI.M with the given input arguments.</p>
<p style="margin-bottom:0;">%</p>
<p style="margin-bottom:0;">%      DETEKSI_TEPI(&#8216;Property&#8217;,'Value&#8217;,&#8230;) creates a new DETEKSI_TEPI or raises the</p>
<p style="margin-bottom:0;">%      existing singleton*.  Starting from the left, property value pairs are</p>
<p style="margin-bottom:0;">%      applied to the GUI before deteksi_tepi_OpeningFunction gets called.  An</p>
<p style="margin-bottom:0;">%      unrecognized property name or invalid value makes property application</p>
<p style="margin-bottom:0;">%      stop.  All inputs are passed to deteksi_tepi_OpeningFcn via varargin.</p>
<p style="margin-bottom:0;">%</p>
<p style="margin-bottom:0;">%      *See GUI Options on GUIDE&#8217;s Tools menu.  Choose &#8220;GUI allows only one</p>
<p style="margin-bottom:0;">%      instance to run (singleton)&#8221;.</p>
<p style="margin-bottom:0;">%</p>
<p style="margin-bottom:0;">% See also: GUIDE, GUIDATA, GUIHANDLES</p>
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">% Copyright 2002-2003 The MathWorks, Inc.</p>
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">% Edit the above text to modify the response to help deteksi_tepi</p>
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">% Last Modified by GUIDE v2.5 12-Oct-2008 20:05:38</p>
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">% Begin initialization code &#8211; DO NOT EDIT</p>
<p style="margin-bottom:0;">gui_Singleton = 1;</p>
<p style="margin-bottom:0;">gui_State = struct(&#8216;gui_Name&#8217;,       mfilename, &#8230;</p>
<p style="margin-bottom:0;">&#8216;gui_Singleton&#8217;,  gui_Singleton, &#8230;</p>
<p style="margin-bottom:0;">&#8216;gui_OpeningFcn&#8217;, @deteksi_tepi_OpeningFcn, &#8230;</p>
<p style="margin-bottom:0;">&#8216;gui_OutputFcn&#8217;,  @deteksi_tepi_OutputFcn, &#8230;</p>
<p style="margin-bottom:0;">&#8216;gui_LayoutFcn&#8217;,  [] , &#8230;</p>
<p style="margin-bottom:0;">&#8216;gui_Callback&#8217;,   []);</p>
<p style="margin-bottom:0;">if nargin &amp;&amp; ischar(varargin{1})</p>
<p style="margin-bottom:0;">gui_State.gui_Callback = str2func(varargin{1});</p>
<p style="margin-bottom:0;">end</p>
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">if nargout</p>
<p style="margin-bottom:0;">[varargout{1:nargout}] = gui_mainfcn(gui_State, varargin{:});</p>
<p style="margin-bottom:0;">else</p>
<p style="margin-bottom:0;">gui_mainfcn(gui_State, varargin{:});</p>
<p style="margin-bottom:0;">end</p>
<p style="margin-bottom:0;">% End initialization code &#8211; DO NOT EDIT</p>
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">% &#8212; Executes just before deteksi_tepi is made visible.</p>
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">function deteksi_tepi_OpeningFcn(hObject, eventdata, handles, varargin)</p>
<p style="margin-bottom:0;">% This function has no output args, see OutputFcn.</p>
<p style="margin-bottom:0;">% hObject    handle to figure</p>
<p style="margin-bottom:0;">% eventdata  reserved &#8211; to be defined in a future version of MATLAB</p>
<p style="margin-bottom:0;">% handles    structure with handles and user data (see GUIDATA)</p>
<p style="margin-bottom:0;">% varargin   command line arguments to deteksi_tepi (see VARARGIN)</p>
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">% Choose default command line output for deteksi_tepi</p>
<p style="margin-bottom:0;">handles.output = hObject;</p>
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">% Update handles structure</p>
<p style="margin-bottom:0;">guidata(hObject, handles);</p>
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">% UIWAIT makes deteksi_tepi wait for user response (see UIRESUME)</p>
<p style="margin-bottom:0;">% uiwait(handles.figure1);</p>
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">% &#8212; Outputs from this function are returned to the command line.</p>
<p style="margin-bottom:0;">function varargout = deteksi_tepi_OutputFcn(hObject, eventdata, handles)</p>
<p style="margin-bottom:0;">% varargout  cell array for returning output args (see VARARGOUT);</p>
<p style="margin-bottom:0;">% hObject    handle to figure</p>
<p style="margin-bottom:0;">% eventdata  reserved &#8211; to be defined in a future version of MATLAB</p>
<p style="margin-bottom:0;">% handles    structure with handles and user data (see GUIDATA)</p>
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">% Get default command line output from handles structure</p>
<p style="margin-bottom:0;">varargout{1} = handles.output;</p>
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">% &#8212; Executes during object creation, after setting all properties.</p>
<p style="margin-bottom:0;">function text1_CreateFcn(hObject, eventdata, handles)</p>
<p style="margin-bottom:0;">% hObject    handle to text1 (see GCBO)</p>
<p style="margin-bottom:0;">% eventdata  reserved &#8211; to be defined in a future version of MATLAB</p>
<p style="margin-bottom:0;">% handles    empty &#8211; handles not created until after all CreateFcns called</p>
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">% &#8212; Executes on button press in cari.</p>
<p style="margin-bottom:0;">function cari_Callback(hObject, eventdata, handles)</p>
<p style="margin-bottom:0;">% hObject    handle to cari (see GCBO)</p>
<p style="margin-bottom:0;">% eventdata  reserved &#8211; to be defined in a future version of MATLAB</p>
<p style="margin-bottom:0;">% handles    structure with handles and user data (see GUIDATA)</p>
<p style="margin-bottom:0;">[a, path]=uigetfile(&#8230;</p>
<p style="margin-bottom:0;">{&#8216;*.bmp;*.jpg&#8217;,'File yg dpet dibuka (*.bmp,*.jpg)&#8217;;</p>
<p style="margin-bottom:0;">},&#8230;</p>
<p style="margin-bottom:0;">&#8216;Browser&#8217;);</p>
<p style="margin-bottom:0;">if ~isequal(a, 0)</p>
<p style="margin-bottom:0;">handles.buka=imread(fullfile(path,a));</p>
<p style="margin-bottom:0;">guidata(hObject,handles);</p>
<p style="margin-bottom:0;">hold on;</p>
<p style="margin-bottom:0;">axes(handles.axes1);</p>
<p style="margin-bottom:0;">imshow(handles.buka);</p>
<p style="margin-bottom:0;">hold on;</p>
<p style="margin-bottom:0;">axes(handles.axes2);</p>
<p style="margin-bottom:0;">imhist(handles.buka);</p>
<p style="margin-bottom:0;">else</p>
<p style="margin-bottom:0;">return;</p>
<p style="margin-bottom:0;">end</p>
<p style="margin-bottom:0;">set(handles.text1,&#8217;string&#8217;,a);</p>
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">% &#8212; Executes on button press in proses.</p>
<p style="margin-bottom:0;">function proses_Callback(hObject, eventdata, handles)</p>
<p style="margin-bottom:0;">% hObject    handle to proses (see GCBO)</p>
<p style="margin-bottom:0;">% eventdata  reserved &#8211; to be defined in a future version of MATLAB</p>
<p style="margin-bottom:0;">% handles    structure with handles and user data (see GUIDATA)</p>
<p style="margin-bottom:0;">I = handles.buka ;</p>
<p style="margin-bottom:0;">guidata(hObject,handles);</p>
<p style="margin-bottom:0;"><strong>handles.bw=edge(I,&#8217;sobel&#8217;);</strong></p>
<p style="margin-bottom:0;">hold on;</p>
<p style="margin-bottom:0;">axes(handles.axes8);</p>
<p style="margin-bottom:0;">imshow(handles.bw);</p>
<p style="margin-bottom:0;"><strong>handles.bw1=edge(I,&#8217;prewitt&#8217;);</strong></p>
<p style="margin-bottom:0;">hold on;</p>
<p style="margin-bottom:0;">axes(handles.axes3);</p>
<p style="margin-bottom:0;">imshow(handles.bw1);</p>
<p style="margin-bottom:0;"><strong>handles.bw2=edge(I,&#8217;prewitt&#8217;);</strong></p>
<p style="margin-bottom:0;">hold on;</p>
<p style="margin-bottom:0;">axes(handles.axes4);</p>
<p style="margin-bottom:0;">imshow(handles.bw2);</p>
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">
<p style="margin-bottom:0;" lang="sv-SE"><strong>Tenang aja dari semua kode itu cman ini yang penting :</strong></p>
<p style="margin-bottom:0;" lang="sv-SE">
<p style="margin-bottom:0;"><span lang="sv-SE">handles.bw=edge(I,&#8217;sobel&#8217;); menggunakan sobel</span><span lang="sv-SE"> sebagai teknik pendekteksian tepi</span></p>
<p style="margin-bottom:0;">handles.bw1=edge(I,&#8217;prewitt&#8217;);</p>
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">
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			<media:title type="html">kungtz</media:title>
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	</item>
		<item>
		<title>Perataan Histogram Dengan MATLAB</title>
		<link>http://kungtz.wordpress.com/2008/11/04/perataan-histogram-dengan-matlab/</link>
		<comments>http://kungtz.wordpress.com/2008/11/04/perataan-histogram-dengan-matlab/#comments</comments>
		<pubDate>Tue, 04 Nov 2008 00:24:40 +0000</pubDate>
		<dc:creator>kungtz</dc:creator>
				<category><![CDATA[KULIAH]]></category>

		<guid isPermaLink="false">http://kungtz.wordpress.com/?p=9</guid>
		<description><![CDATA[Masih tentang pengolahan citra tugas kedua makin berat nih MATLAB!!!! liat aja belum pernah, udah disuruh bikin perataan histogram aduu&#8230;uh ribet dech jadi puyeng. Pertama- tama gw memulai mencari mentahan MATLAB, kebetulan gw dapet yang versi 7 dari temen (bajakan&#8230;&#8230;sst!). Lalu diinstal klik next aja terus. ***10 menit kemudian***. ampe ketemu finish Udah beres kan [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=kungtz.wordpress.com&amp;blog=5067311&amp;post=9&amp;subd=kungtz&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p><!-- 		@page { size: 8.5in 11in; margin: 0.79in } 		P { margin-bottom: 0.08in } --></p>
<p style="margin-bottom:0;"><span lang="sv-SE">Masih tentang pengolahan citra  tugas kedua makin berat nih MATLAB!!!! liat aja belum pernah, udah disuruh bikin perataan histogram aduu&#8230;uh ribet dech jadi puyeng. Pertama- tama gw memulai mencari mentahan MATLAB, kebetulan  gw dapet yang versi 7 dari temen (bajakan&#8230;&#8230;sst!). Lalu diinstal klik next aja terus</span><span lang="sv-SE">. ***10 menit kemudian***. ampe ketemu finish Udah beres kan lanjutkan dengan melihat- lihat help yang sudah disediakan (lagi-lagi bahasa inggris). Udah puyeng ga ngerti lalu gw ngebrowse cari tutorial indonesia buat matlab + bahan buat perataan histogram.</span></p>
<p style="margin-bottom:0;"><span lang="sv-SE"><span id="more-9"></span><br />
</span></p>
<p style="margin-bottom:0;" lang="sv-SE">
<p style="margin-bottom:0;"><span lang="sv-SE">Nich sourcode perataan histogram khusus grayscale yang udah gw edit dan gw telaah 3 hari 3 malam lalu telah amat disederhanakan guna kemudahan saat ditanya dosen, gw menggunakan gui biar mantab :</span></p>
<p style="margin-bottom:0;" lang="sv-SE">
<p style="margin-bottom:0;" lang="sv-SE">LISTING Coba.m</p>
<p style="margin-bottom:0;" lang="sv-SE">
<p style="margin-bottom:0;">function varargout = coba(varargin)</p>
<p style="margin-bottom:0;">% COBA M-file for coba.fig</p>
<p style="margin-bottom:0;">%      COBA, by itself, creates a new COBA or raises the existing</p>
<p style="margin-bottom:0;">%      singleton*.</p>
<p style="margin-bottom:0;">%</p>
<p style="margin-bottom:0;">%      H = COBA returns the handle to a new COBA or the handle to</p>
<p style="margin-bottom:0;">%      the existing singleton*.</p>
<p style="margin-bottom:0;">%</p>
<p style="margin-bottom:0;">%      COBA(&#8216;CALLBACK&#8217;,hObject,eventData,handles,&#8230;) calls the local</p>
<p style="margin-bottom:0;">%      function named CALLBACK in COBA.M with the given input arguments.</p>
<p style="margin-bottom:0;">%</p>
<p style="margin-bottom:0;">%      COBA(&#8216;Property&#8217;,'Value&#8217;,&#8230;) creates a new COBA or raises the</p>
<p style="margin-bottom:0;">%      existing singleton*.  Starting from the left, property value pairs are</p>
<p style="margin-bottom:0;">%      applied to the GUI before coba_OpeningFunction gets called.  An</p>
<p style="margin-bottom:0;">%      unrecognized property name or invalid value makes property application</p>
<p style="margin-bottom:0;">%      stop.  All inputs are passed to coba_OpeningFcn via varargin.</p>
<p style="margin-bottom:0;">%</p>
<p style="margin-bottom:0;">%      *See GUI Options on GUIDE&#8217;s Tools menu.  Choose &#8220;GUI allows only one</p>
<p style="margin-bottom:0;">%      instance to run (singleton)&#8221;.</p>
<p style="margin-bottom:0;">%</p>
<p style="margin-bottom:0;">% See also: GUIDE, GUIDATA, GUIHANDLES</p>
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">% Copyright 2002-2003 The MathWorks, Inc.</p>
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">% Edit the above text to modify the response to help coba</p>
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">% Last Modified by GUIDE v2.5 12-Oct-2008 20:05:38</p>
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">% Begin initialization code &#8211; DO NOT EDIT</p>
<p style="margin-bottom:0;">gui_Singleton = 1;</p>
<p style="margin-bottom:0;">gui_State = struct(&#8216;gui_Name&#8217;,       mfilename, &#8230;</p>
<p style="margin-bottom:0;">&#8216;gui_Singleton&#8217;,  gui_Singleton, &#8230;</p>
<p style="margin-bottom:0;">&#8216;gui_OpeningFcn&#8217;, @coba_OpeningFcn, &#8230;</p>
<p style="margin-bottom:0;">&#8216;gui_OutputFcn&#8217;,  @coba_OutputFcn, &#8230;</p>
<p style="margin-bottom:0;">&#8216;gui_LayoutFcn&#8217;,  [] , &#8230;</p>
<p style="margin-bottom:0;">&#8216;gui_Callback&#8217;,   []);</p>
<p style="margin-bottom:0;">if nargin &amp;&amp; ischar(varargin{1})</p>
<p style="margin-bottom:0;">gui_State.gui_Callback = str2func(varargin{1});</p>
<p style="margin-bottom:0;">end</p>
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">if nargout</p>
<p style="margin-bottom:0;">[varargout{1:nargout}] = gui_mainfcn(gui_State, varargin{:});</p>
<p style="margin-bottom:0;">else</p>
<p style="margin-bottom:0;">gui_mainfcn(gui_State, varargin{:});</p>
<p style="margin-bottom:0;">end</p>
<p style="margin-bottom:0;">% End initialization code &#8211; DO NOT EDIT</p>
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">% &#8212; Executes just before coba is made visible.</p>
<p style="margin-bottom:0;">function coba_OpeningFcn(hObject, eventdata, handles, varargin)</p>
<p style="margin-bottom:0;">% This function has no output args, see OutputFcn.</p>
<p style="margin-bottom:0;">% hObject    handle to figure</p>
<p style="margin-bottom:0;">% eventdata  reserved &#8211; to be defined in a future version of MATLAB</p>
<p style="margin-bottom:0;">% handles    structure with handles and user data (see GUIDATA)</p>
<p style="margin-bottom:0;">% varargin   command line arguments to coba (see VARARGIN)</p>
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">% Choose default command line output for coba</p>
<p style="margin-bottom:0;">handles.output = hObject;</p>
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">% Update handles structure</p>
<p style="margin-bottom:0;">guidata(hObject, handles);</p>
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">% UIWAIT makes coba wait for user response (see UIRESUME)</p>
<p style="margin-bottom:0;">% uiwait(handles.figure1);</p>
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">% &#8212; Outputs from this function are returned to the command line.</p>
<p style="margin-bottom:0;">function varargout = coba_OutputFcn(hObject, eventdata, handles)</p>
<p style="margin-bottom:0;">% varargout  cell array for returning output args (see VARARGOUT);</p>
<p style="margin-bottom:0;">% hObject    handle to figure</p>
<p style="margin-bottom:0;">% eventdata  reserved &#8211; to be defined in a future version of MATLAB</p>
<p style="margin-bottom:0;">% handles    structure with handles and user data (see GUIDATA)</p>
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">% Get default command line output from handles structure</p>
<p style="margin-bottom:0;">varargout{1} = handles.output;</p>
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">% &#8212; Executes during object creation, after setting all properties.</p>
<p style="margin-bottom:0;">function text1_CreateFcn(hObject, eventdata, handles)</p>
<p style="margin-bottom:0;">% hObject    handle to text1 (see GCBO)</p>
<p style="margin-bottom:0;">% eventdata  reserved &#8211; to be defined in a future version of MATLAB</p>
<p style="margin-bottom:0;">% handles    empty &#8211; handles not created until after all CreateFcns called</p>
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">% &#8212; Executes on button press in cari.</p>
<p style="margin-bottom:0;">function cari_Callback(hObject, eventdata, handles)</p>
<p style="margin-bottom:0;">% hObject    handle to cari (see GCBO)</p>
<p style="margin-bottom:0;">% eventdata  reserved &#8211; to be defined in a future version of MATLAB</p>
<p style="margin-bottom:0;">% handles    structure with handles and user data (see GUIDATA)</p>
<p style="margin-bottom:0;">[a, path]=uigetfile(&#8230;</p>
<p style="margin-bottom:0;">{&#8216;*.bmp;*.jpg&#8217;,'File yg dpet dibuka (*.bmp,*.jpg)&#8217;;</p>
<p style="margin-bottom:0;">},&#8230;</p>
<p style="margin-bottom:0;">&#8216;Browser&#8217;);</p>
<p style="margin-bottom:0;">if ~isequal(a, 0)</p>
<p style="margin-bottom:0;">handles.buka=imread(fullfile(path,a));</p>
<p style="margin-bottom:0;">guidata(hObject,handles);</p>
<p style="margin-bottom:0;">hold on;</p>
<p style="margin-bottom:0;">axes(handles.axes1);</p>
<p style="margin-bottom:0;">imshow(handles.buka);</p>
<p style="margin-bottom:0;">hold on;</p>
<p style="margin-bottom:0;">axes(handles.axes2);</p>
<p style="margin-bottom:0;">imhist(handles.buka);</p>
<p style="margin-bottom:0;">else</p>
<p style="margin-bottom:0;">return;</p>
<p style="margin-bottom:0;">end</p>
<p style="margin-bottom:0;">set(handles.text1,&#8217;string&#8217;,a);</p>
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">% &#8212; Executes on button press in proses.</p>
<p style="margin-bottom:0;">function proses_Callback(hObject, eventdata, handles)</p>
<p style="margin-bottom:0;">% hObject    handle to proses (see GCBO)</p>
<p style="margin-bottom:0;">% eventdata  reserved &#8211; to be defined in a future version of MATLAB</p>
<p style="margin-bottom:0;">% handles    structure with handles and user data (see GUIDATA)</p>
<p style="margin-bottom:0;">handles.proses=<strong>histeq</strong>(handles.buka);</p>
<p style="margin-bottom:0;">guidata(hObject,handles);</p>
<p style="margin-bottom:0;">hold on;</p>
<p style="margin-bottom:0;">axes(handles.axes3);</p>
<p style="margin-bottom:0;">imshow(handles.proses);</p>
<p style="margin-bottom:0;">hold on;</p>
<p style="margin-bottom:0;">axes(handles.axes4);</p>
<p style="margin-bottom:0;"><span lang="sv-SE">imhist(handles.proses);</span></p>
<p style="margin-bottom:0;" lang="sv-SE">
<p style="margin-bottom:0;"><span lang="sv-SE">Ga usah pusing Inti program ini cuman di  statement ini handles.proses=</span><span lang="sv-SE"><strong>histeq</strong></span><span lang="sv-SE">(handles.buka); selesai mudah kan.   O ya ini cuman coba.m nya doang desainnya ada di coba.fig sengaja gw ga lampirin abis gw ga tau caranya maklum pengguna blog baru.</span></p>
<p style="margin-bottom:0;" lang="sv-SE">
<p style="margin-bottom:0;" lang="sv-SE">
<p style="margin-bottom:0;" lang="sv-SE">
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		<title>Pengertian Pengolahan Citra</title>
		<link>http://kungtz.wordpress.com/2008/11/04/pengertian-pengolahan-citra/</link>
		<comments>http://kungtz.wordpress.com/2008/11/04/pengertian-pengolahan-citra/#comments</comments>
		<pubDate>Tue, 04 Nov 2008 00:17:11 +0000</pubDate>
		<dc:creator>kungtz</dc:creator>
				<category><![CDATA[KULIAH]]></category>

		<guid isPermaLink="false">http://kungtz.wordpress.com/?p=5</guid>
		<description><![CDATA[Pengolahan citra apaan ya tuch? Itu adalah mata kuliah yang yang gw ambil semester ini. Hal yang terpikir pertama kali saat mendengar mata kuliah ini ”ADOBE PHOTOSHOP !!! ASYIK” karena mata kuliah sebelumnya, grafik komputer gw diajarin software 3D Max.Ternyata pengolahan citra tidak sesimple yang gw kira hanya sekedar untuk mengedit foto yang sering gw [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=kungtz.wordpress.com&amp;blog=5067311&amp;post=5&amp;subd=kungtz&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p style="text-indent:.5in;margin-bottom:0;"><strong>Pengolahan citra apaan ya tuch?</strong></p>
<p style="text-indent:.5in;margin-bottom:0;"><span lang="sv-SE">Itu adalah mata kuliah yang yang gw ambil semester ini. Hal yang terpikir pertama kali saat mendengar mata kuliah ini  ”ADOBE PHOTOSHOP !!! ASYIK” karena mata kuliah sebelumnya, grafik komputer gw diajarin software 3D Max.Ternyata pengolahan citra tidak sesimple yang gw kira hanya sekedar untuk mengedit foto yang sering gw lakukan di photoshop bidang yang mencakup sangatlah luas, ya daripada bingung gw mulai dari definisi citra dulu ye.</span></p>
<p style="text-indent:.5in;margin-bottom:0;"><span lang="sv-SE"><span id="more-5"></span><br />
</span></p>
<p style="margin-bottom:0;">• <strong>Citra</strong> = gambar = image kesimpulannya image adalah citra</p>
<p style="margin-bottom:0;" lang="sv-SE">Citra, menurut kamus Webster, adalah suatu representasi, kemiripan, atau imitasi dari suatu objek</p>
<p style="margin-bottom:0;" lang="sv-SE">atau benda .. misal :</p>
<p style="text-indent:.5in;margin-bottom:0;"><span lang="sv-SE">- foto Ente mewakili entitas diri Ente sendiri di depan kamera bukan orang laen </span></p>
<p style="text-indent:.5in;margin-bottom:0;" lang="sv-SE">- foto sinar-X thorax mewakili keadaan bagian dalam tubuh seseorang</p>
<p style="text-indent:.5in;margin-bottom:0;" lang="sv-SE">- data dalam suatu file BMP mewakili apa yang digambarkannya</p>
<p style="margin-bottom:0;">• <span lang="sv-SE"><strong>Citra</strong></span><span lang="sv-SE">, dari sudut pandang matematis, merupakan fungsi menerus (continue) dari intensitas cahaya pada bidang 2 dimensi. Aduh berat ye biasa orang mate mah suka yang ribet.</span></p>
<p style="margin-bottom:0;" lang="sv-SE">• Citra yang terlihat merupakan cahaya yang direfleksikan dari sebuah objek. Sumber cahaya menerangi objek, objek memantulkan kembali sebagian dari berkas cahaya tersebut dan pantulan cahaya ditangkap oleh alat-alat optik, misal mata manusia, kamera, scanner, sensor satelit, dsb, kemudian direkam.</p>
<p style="margin-bottom:0;">• <span lang="sv-SE"><strong>Citra digital</strong></span><span lang="sv-SE"> = citra yang disimpan dalam format digital (dalam bentuk file). Hanya citra digital yang dapat diolah menggunakan komputer. Jenis citra lain jika akan diolah </span></p>
<p style="margin-bottom:0;" lang="sv-SE">dengan komputer harus diubah dulu menjadi citra digital.</p>
<p style="margin-bottom:0;" lang="sv-SE">
<p style="margin-bottom:0;" lang="sv-SE">Citra sebagai keluaran dari suatu sistem perekaman data dapat bersifat :</p>
<p style="text-indent:.5in;margin-bottom:0;" lang="sv-SE">1. optik berupa foto</p>
<p style="text-indent:.5in;margin-bottom:0;" lang="sv-SE">2. analog berupa sinyal video seperti gambar pada monitor televisi</p>
<p style="text-indent:.5in;margin-bottom:0;" lang="sv-SE">3. digital yang dapat langsung disimpan pada media penyimpan magnetik</p>
<p style="margin-bottom:0;" lang="sv-SE">
<p style="margin-bottom:0;" lang="sv-SE">Citra juga dapat dikelompokkan menjadi 2 yaitu :</p>
<p style="margin-bottom:0;" lang="sv-SE">1. Citra tampak(foto,gambar, lukisan, apa yang anampak dilayar monitor)</p>
<p style="margin-bottom:0;" lang="sv-SE">2. Citra tak tampak(foto dalam file,citra yang direpresentasikan dalam</p>
<p style="margin-bottom:0;"><span lang="sv-SE"> Fungsi matematis) Setan ga masuk.</span></p>
<p style="margin-bottom:0;" lang="sv-SE">
<p style="margin-bottom:0;">• <span lang="sv-SE"><strong>Pencitraan (imaging)</strong></span><span lang="sv-SE"> </span></p>
<p style="margin-bottom:0;" lang="sv-SE">= kegiatan mengubah informasi dari citra tampak/citra non digital menjadi citra digital. Beberapa alat yang dapat digunakan untuk pencitraan adalah : scanner, kamera digital, kamera sinar-x/sinar infra merah, dll</p>
<p style="margin-bottom:0;" lang="sv-SE">
<p style="margin-bottom:0;"><span lang="sv-SE">Nah udah ngerti kan apa itu citra dan pencitraan sekarang baru masuk definisi dari pengolahan citra itu sendiri. </span><span lang="sv-SE"><strong>Pengolahan Citra</strong></span><span lang="sv-SE"> adalah kegiatan memperbaiki kualitas citra agar mudah diinterpretasi oleh manusia/mesin(komputer). Inputannya adalah citra dan keluarannya juga citra tapi dengan kualitas lebih baik daripada citra masukan .. misal citra warnanya kurang tajam, kabur (blurring), mengandung noise (misal bintik-bintik putih), dll sehingga perlu ada pemrosesan untuk memperbaiki citra karena citra tersebut menjadi sulit diinterpretasikan karena informasi yang disampaikan menjadi berkurang. Singkatnya tuch citra dibagusin biar enak dipandang mata.</span></p>
<p style="margin-bottom:0;" lang="sv-SE">
<p style="margin-bottom:0;"><span lang="sv-SE">Setelah proses pengolahan citra akan lebih komplit jika dilanjutkan dengan proses </span><span lang="sv-SE"><strong>Analisis Citra</strong></span><span lang="sv-SE"> = kegiatan menganalisis citra sehingga menghasilkan informasi untuk menetapkan keputusan </span></p>
<p style="margin-bottom:0;" lang="sv-SE">(biasanya didampingi bidang ilmu kecerdasan buatan/AI yaitu pengenalan pola (pattern</p>
<p style="margin-bottom:0;" lang="sv-SE">recognition) menggunakan jaringan syaraf tiruan, logika fuzzy, dll).</p>
<p style="margin-bottom:0;" lang="sv-SE">
<p style="margin-bottom:0;" lang="sv-SE">Gampangnya gw buatin bagannya dech :</p>
<p style="margin-right:-.01in;margin-bottom:0;line-height:.19in;widows:0;orphans:0;"><span lang="sv-SE">1. </span><span lang="sv-SE">Citra nondigital   &#8212;-</span><span lang="sv-SE"><strong>&#8212;&#8212;&#8212;-&gt;</strong></span><span lang="sv-SE"> Citra digital</span></p>
<p style="margin-right:-.01in;margin-bottom:0;line-height:.17in;widows:0;orphans:0;"><span lang="sv-SE">Proses: pencitraan</span></p>
<p style="margin-right:-.01in;margin-bottom:0;line-height:.19in;widows:0;orphans:0;"><span lang="sv-SE">2. </span><span lang="sv-SE">Citra digital &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;&gt; Citra digital(baru) </span></p>
<p style="margin-right:-.01in;text-indent:.5in;margin-bottom:0;line-height:.17in;widows:0;orphans:0;"><span lang="sv-SE">Proses: pengolahan citra</span></p>
<p style="margin-right:-.01in;margin-bottom:0;line-height:.19in;widows:0;orphans:0;">3. Citra digital(baru) &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-&gt;Informasi /keputusan</p>
<p style="margin-right:-.01in;margin-bottom:0;line-height:.17in;widows:0;orphans:0;">Proses: analisis cita</p>
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">
<p style="margin-bottom:0;">TO BE CONTINUE&#8230;&#8230;.</p>
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