1 | %'read_image': read images or video objects |
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2 | %---------------------------------------------------------------------- |
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3 | % function [A,ObjectOut]=read_image(FileName,FileType,VideoObject,num) |
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4 | % |
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5 | % OUTPUT: |
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6 | % A(npy,npx,rgb): matrix of integers (iunt8 or uint16) representing the image, with sizes npy, npx, and possibly color component rgb=1:3 |
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7 | % ObjectOut: video object (=[] for single images) |
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8 | % |
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9 | % INPUT: |
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10 | % FileName: input file name |
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11 | % other inputs needed only for video and multi-image file: |
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12 | % FileType: input file type, as determined by the function get_file_info.m |
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13 | % VideoObject: video object (for faster reading if availlable) |
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14 | % num: frame index for movies or multimage types |
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15 | |
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16 | %======================================================================= |
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17 | % Copyright 2008-2014, LEGI UMR 5519 / CNRS UJF G-INP, Grenoble, France |
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18 | % http://www.legi.grenoble-inp.fr |
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19 | % Joel.Sommeria - Joel.Sommeria (A) legi.cnrs.fr |
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20 | % |
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21 | % This file is part of the toolbox UVMAT. |
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22 | % |
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23 | % UVMAT is free software; you can redistribute it and/or modify |
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24 | % it under the terms of the GNU General Public License as published |
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25 | % by the Free Software Foundation; either version 2 of the license, |
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26 | % or (at your option) any later version. |
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27 | % |
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28 | % UVMAT is distributed in the hope that it will be useful, |
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29 | % but WITHOUT ANY WARRANTY; without even the implied warranty of |
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30 | % MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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31 | % GNU General Public License (see LICENSE.txt) for more details. |
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32 | %======================================================================= |
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33 | |
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34 | function [A,ObjectOut]=read_image(FileName,FileType,VideoObject,num) |
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35 | %----------------------------------------------------------------------- |
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36 | if ~exist('FileType','var') |
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37 | FileType='image'; |
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38 | end |
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39 | if ~exist('VideoObject','var') |
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40 | VideoObject=[]; |
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41 | end |
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42 | if ~exist('num','var') |
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43 | num=1; |
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44 | end |
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45 | A=[]; |
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46 | ObjectOut=VideoObject;%default |
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47 | switch FileType |
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48 | case 'video' |
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49 | if strcmp(class(VideoObject),'VideoReader') |
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50 | A=read(VideoObject,num); |
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51 | else |
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52 | ObjectOut=VideoReader(FileName); |
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53 | A=read(ObjectOut,num); |
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54 | end |
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55 | case 'mmreader' |
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56 | if strcmp(class(VideoObject),'mmreader') |
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57 | A=read(VideoObject,num); |
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58 | else |
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59 | ObjectOut=mmreader(FileName); |
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60 | A=read(ObjectOut,num); |
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61 | end |
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62 | case 'multimage' |
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63 | A=imread(FileName,num); |
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64 | case 'image' |
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65 | A=imread(FileName); |
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66 | end |
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