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5 | <title>Description of read_image</title> |
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7 | <meta name="description" content="'read_image': reads an image from a single file or a movie file"> |
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15 | <div><a href="../index.html">Home</a> > <a href="index.html">.</a> > read_image.m</div> |
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16 | |
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17 | <!--<table width="100%"><tr><td align="left"><a href="../index.html"><img alt="<" border="0" src="../left.png"> Master index</a></td> |
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18 | <td align="right"><a href="index.html">Index for . <img alt=">" border="0" src="../right.png"></a></td></tr></table>--> |
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19 | |
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20 | <h1>read_image |
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21 | </h1> |
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22 | |
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23 | <h2><a name="_name"></a>PURPOSE <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2> |
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24 | <div class="box"><strong>'read_image': reads an image from a single file or a movie file</strong></div> |
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25 | |
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26 | <h2><a name="_synopsis"></a>SYNOPSIS <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2> |
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27 | <div class="box"><strong>function [A,error]=read_image(filename,NomType,num); </strong></div> |
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28 | |
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29 | <h2><a name="_description"></a>DESCRIPTION <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2> |
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30 | <div class="fragment"><pre class="comment">'read_image': reads an image from a single file or a movie file |
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31 | read images in different formats.</pre></div> |
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32 | |
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33 | <!-- crossreference --> |
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34 | <h2><a name="_cross"></a>CROSS-REFERENCE INFORMATION <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2> |
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35 | This function calls: |
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36 | <ul style="list-style-image:url(../matlabicon.gif)"> |
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37 | </ul> |
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38 | This function is called by: |
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39 | <ul style="list-style-image:url(../matlabicon.gif)"> |
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40 | <li><a href="civ.html" class="code" title="function varargout = civ(varargin)">civ</a> 'civ': function associated with the interface 'civ.fig' for PIV, spline interpolation and stereo PIV (patch)</li><li><a href="civ_3D.html" class="code" title="function varargout = civ_3D(varargin)">civ_3D</a> 'civ_3D': function associated with the interface 'civ_3D.fig' for PIV in volume</li><li><a href="series.html" class="code" title="function varargout = series(varargin)">series</a> 'series': master function associated to the GUI series.m for analysis field series</li><li><a href="uvmat.html" class="code" title="function varargout = uvmat(varargin)">uvmat</a> 'uvmat': function associated with the GUI 'uvmat.fig' for images and data field visualization</li></ul> |
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41 | <!-- crossreference --> |
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42 | |
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43 | |
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44 | <h2><a name="_source"></a>SOURCE CODE <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2> |
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45 | <div class="fragment"><pre>0001 <span class="comment">%'read_image': reads an image from a single file or a movie file</span> |
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46 | 0002 <a name="_sub0" href="#_subfunctions" class="code">function [A,error]=read_image(filename,NomType,num);</a> |
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47 | 0003 <span class="comment">%read images in different formats.</span> |
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48 | 0004 A=[]; <span class="comment">%default</span> |
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49 | 0005 error=0; <span class="comment">%default</span> |
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50 | 0006 <span class="keyword">if</span> ~exist(filename,<span class="string">'file'</span>) |
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51 | 0007 error=<span class="string">'input file not found in read_image'</span> |
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52 | 0008 <span class="keyword">return</span> |
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53 | 0009 <span class="keyword">end</span> |
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54 | 0010 testframe=0; |
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55 | 0011 <span class="keyword">if</span> ~exist(<span class="string">'NomType'</span>,<span class="string">'var'</span>) |
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56 | 0012 NomType=[]; |
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57 | 0013 <span class="keyword">end</span> |
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58 | 0014 <span class="keyword">if</span> ~exist(<span class="string">'num'</span>,<span class="string">'var'</span>) |
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59 | 0015 num=1; |
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60 | 0016 <span class="keyword">end</span> |
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61 | 0017 [pth,fl,ext]=fileparts(filename); |
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62 | 0018 <span class="keyword">if</span> isequal(lower(ext),<span class="string">'.avi'</span>) |
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63 | 0019 mov=aviread(filename,num); |
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64 | 0020 A=frame2im(mov(1)); |
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65 | 0021 <span class="keyword">elseif</span> isequal(lower(ext),<span class="string">'.vol'</span>) |
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66 | 0022 A=imread(filename); |
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67 | 0023 <span class="keyword">else</span> |
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68 | 0024 form=imformats(ext([2:end])); |
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69 | 0025 <span class="keyword">if</span> ~isempty(form)<span class="comment">% if the extension corresponds to an image format recognized by Matlab</span> |
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70 | 0026 <span class="keyword">if</span> isequal(NomType,<span class="string">'*'</span>); |
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71 | 0027 A=imread(filename,num); |
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72 | 0028 <span class="keyword">else</span> |
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73 | 0029 A=imread(filename); |
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74 | 0030 <span class="keyword">end</span> |
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75 | 0031 <span class="keyword">else</span> |
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76 | 0032 error=[<span class="string">'ERROR in read_image: file extension not recognized by matlab as image'</span>]; |
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77 | 0033 <span class="keyword">return</span> |
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78 | 0034 <span class="keyword">end</span> |
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79 | 0035 <span class="keyword">end</span> |
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80 | 0036</pre></div> |
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81 | <hr><address>Generated on Fri 13-Nov-2009 11:17:03 by <strong><a href="http://www.artefact.tk/software/matlab/m2html/">m2html</a></strong> © 2003</address> |
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