1 | % 'ima_crop': removes an upper and lower band to the image
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2 |
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3 | %------------------------------------------------------------------------
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4 | %%%% Use the general syntax for transform fields with a single input and parameters %%%%
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5 | % OUTPUT:
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6 | % DataOut: output field structure
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7 | %
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8 | %INPUT:
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9 | % DataIn: input field structure
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10 | % Param: matlab structure whose field Param.TransformInput contains the filter parameters
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11 | %-----------------------------------
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12 |
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13 | %=======================================================================
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14 | % Copyright 2008-2019, LEGI UMR 5519 / CNRS UGA G-INP, Grenoble, France
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15 | % http://www.legi.grenoble-inp.fr
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16 | % Joel.Sommeria - Joel.Sommeria (A) legi.cnrs.fr
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17 | %
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18 | % This file is part of the toolbox UVMAT.
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19 | %
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20 | % UVMAT is free software; you can redistribute it and/or modify
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21 | % it under the terms of the GNU General Public License as published
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22 | % by the Free Software Foundation; either version 2 of the license,
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23 | % or (at your option) any later version.
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24 | %
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25 | % UVMAT is distributed in the hope that it will be useful,
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26 | % but WITHOUT ANY WARRANTY; without even the implied warranty of
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27 | % MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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28 | % GNU General Public License (see LICENSE.txt) for more details.
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29 | %=======================================================================
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30 |
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31 | function DataOut=ima_crop(DataIn,Param)
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32 |
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33 | %% request input parameters
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34 | if isfield(DataIn,'Action') && isfield(DataIn.Action,'RUN') && isequal(DataIn.Action.RUN,0)
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35 | prompt = {'npy_upper';'npy_lower'};
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36 | dlg_title = 'remove image lines above and below';
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37 | num_lines= 2;
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38 | def = { '0';'0'};
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39 | if isfield(Param,'TransformInput')&&isfield(Param.TransformInput,'CropUpper')&&...
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40 | isfield(Param.TransformInput,'CropLower')
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41 | def={num2str(Param.TransformInput.CropUpper);num2str(Param.TransformInput.CropLower)};
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42 | end
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43 | answer = inputdlg(prompt,dlg_title,num_lines,def);
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44 | DataOut.TransformInput.CropUpper=str2num(answer{1}); %size of the filtering window
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45 | DataOut.TransformInput.CropLower=str2num(answer{2}); %size of the filtering window
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46 | return
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47 | end
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48 |
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49 | DataOut=DataIn; %default
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50 |
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51 | DataOut.A(1:Param.TransformInput.CropUpper,:)=[];
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52 | DataOut.A(end-Param.TransformInput.CropLower+1:end,:)=[];
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53 |
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