%======================================================================= % Copyright 2008-2017, LEGI UMR 5519 / CNRS UGA G-INP, Grenoble, France % http://www.legi.grenoble-inp.fr % Joel.Sommeria - Joel.Sommeria (A) legi.cnrs.fr % % This file is part of the toolbox UVMAT. % % UVMAT is free software; you can redistribute it and/or modify % it under the terms of the GNU General Public License as published % by the Free Software Foundation; either version 2 of the license, % or (at your option) any later version. % % UVMAT is distributed in the hope that it will be useful, % but WITHOUT ANY WARRANTY; without even the implied warranty of % MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the % GNU General Public License (see LICENSE.txt) for more details. %======================================================================= function ParamOut=beam_forming(Param) %% set the input elements needed on the GUI series when the function is selected in the menu ActionName or InputTable refreshed if isstruct(Param) && isequal(Param.Action.RUN,0) ParamOut.AllowInputSort='off';% allow alphabetic sorting of the list of input file SubDir (options 'off'/'on', 'off' by default) ParamOut.WholeIndexRange='on';% prescribes the file index ranges from min to max (options 'off'/'on', 'off' by default) ParamOut.NbSlice='off'; %nbre of slices ('off' by default) ParamOut.VelType='off';% menu for selecting the velocity type (options 'off'/'one'/'two', 'off' by default) ParamOut.FieldName='off';% menu for selecting the field (s) in the input file(options 'off'/'one'/'two', 'off' by default) ParamOut.FieldTransform = 'off';%can use a transform function %ParamOut.TransformPath=fullfile(fileparts(which('uvmat')),'transform_field');% path to transform functions (needed for compilation only) ParamOut.ProjObject='off';%can use projection object(option 'off'/'on', ParamOut.Mask='off';%can use mask option (option 'off'/'on', 'off' by default) index=msgbox_uvmat('INPUT_TXT','index of the series to process (1 to 5)');%choose the i index of the dat files ParamOut.OutputDirExt=['.p_formed_' index];%set the output dir extension hseries=findobj(allchild(0),'Tag','series'); hhseries=guidata(hseries); set(hhseries.num_last_i,'String',index) set(hhseries.num_first_i,'String',index) ParamOut.OutputFileMode='NbInput';% '=NbInput': 1 output file per input file index, '=NbInput_i': 1 file per input file index i, '=NbSlice': 1 file per slice %check the input files first_j=[]; if isfield(Param.IndexRange,'first_j'); first_j=Param.IndexRange.first_j; end PairString=''; if isfield(Param.IndexRange,'PairString'); PairString=Param.IndexRange.PairString; end [i1,i2,j1,j2] = get_file_index(Param.IndexRange.first_i,first_j,PairString); FirstFileName=fullfile_uvmat(Param.InputTable{1,1},Param.InputTable{1,2},Param.InputTable{1,3},... Param.InputTable{1,5},Param.InputTable{1,4},i1,i2,j1,j2); if ~exist(FirstFileName,'file') msgbox_uvmat('WARNING',['the first input file ' FirstFileName ' does not exist']) end return end ParamOut=[]; %default output %% read input parameters from an xml file if input is a file name (batch mode) checkrun=1; if ischar(Param) Param=xml2struct(Param);% read Param as input file (batch case) checkrun=0; end hseries=findobj(allchild(0),'Tag','series'); RUNHandle=findobj(hseries,'Tag','RUN');%handle of RUN button in GUI series WaitbarHandle=findobj(hseries,'Tag','Waitbar');%handle of waitbar in GUI series %% define the directory for result file (with path=RootPath{1}) OutputDir=[Param.OutputSubDir Param.OutputDirExt];% subdirectory for output files if ~isfield(Param,'InputFields') Param.InputFields.FieldName=''; end %% root input file type RootPath=Param.InputTable{1,1}; RootFile=Param.InputTable{1,3}; SubDir=Param.InputTable{1,2}; NomType=Param.InputTable{1,4}; FileExt=Param.InputTable{1,5}; [filecell,i1_series,i2_series,j1_series,j2_series]=get_file_series(Param); %%%%%%%%%%%% % The cell array filecell is the list of input file names, while % filecell{iview,fileindex}: % iview: line in the table corresponding to a given file series % fileindex: file index within the file series, % i1_series(iview,ref_j,ref_i)... are the corresponding arrays of indices i1,i2,j1,j2, depending on the input line iview and the two reference indices ref_i,ref_j % i1_series(iview,fileindex) expresses the same indices as a 1D array in file indices %%%%%%%%%%%% % NbSlice=1;%default % if isfield(Param.IndexRange,'NbSlice')&&~isempty(Param.IndexRange.NbSlice) % NbSlice=Param.IndexRange.NbSlice; % end NbView=numel(i1_series);%number of input file series (lines in InputTable) NbField_j=size(i1_series{1},1); %nb of fields for the j index (bursts or volume slices) NbField_i=size(i1_series{1},2); %nb of fields for the i index NbField=NbField_j*NbField_i; %total number of fields %% determine the file type on each line from the first input file ImageTypeOptions={'image','multimage','mmreader','video','cine_phantom'}; NcTypeOptions={'netcdf','civx','civdata'}; for iview=1:NbView if ~exist(filecell{iview,1}','file') disp_uvmat('ERROR',['the first input file ' filecell{iview,1} ' does not exist'],checkrun) return end [FileInfo{iview},MovieObject{iview}]=get_file_info(filecell{iview,1}); FileType{iview}=FileInfo{iview}.FileType; CheckImage{iview}=~isempty(find(strcmp(FileType{iview},ImageTypeOptions)));% =1 for images CheckNc{iview}=~isempty(find(strcmp(FileType{iview},NcTypeOptions)));% =1 for netcdf files if ~isempty(j1_series{iview}) frame_index{iview}=j1_series{iview}; else frame_index{iview}=i1_series{iview}; end end % clear all % close all % read_data=1; affichage=0; % soustraction=0; %%%%%% Prepare output load (fullfile(RootPath,SubDir,[RootFile '.mat'])) Data.ListGlobalAttribute={'CoordUnit'}; %%TODO: add also time, how to get it ????? Data.CoordUnit='pixel'; Data.ListVarName={'Coord_x','Coord_y','A'}; Data.VarDimName={'Coord_x','Coord_y',{'Coord_y','Coord_x'}}; %Data.Coord_x=5*(nbvoie_reception-0.5)/numel(nbvoie_reception); % totql length of e Data.Coord_x=1:65; %Data.Coord_z=(1:A)/133 ;% to check from input parameter .... Data.Coord_y=1:332; %%%%%% % % while test_fin_fichier>0 % if read_data==1 %directory='manip_lgit';%%%%%%%%%%%%%%%%% %name='test';%%%%%%%%%%%%%%%%% % number=2; number=str2num(Param.OutputDirExt(11:end));%extract the subsequence index (from 1 to 5) numero_tir_fin_old=1%%%%%%% =0 ????? pas_fichier=20;% %20;% nbre of successive shots to read (to account for computer memory limit) Nmoy=800; %%%%% value 20 FOR TEST : to shift to VALUE 8000 set by the .mat file test_fin_fichier=1;% test to stop input file reading while test_fin_fichier>0 numero_tir_debut=1; numero_tir_fin=numero_tir_fin_old+pas_fichier-1; % eval(['load ' directory '\' name '.mat']) matrice_finale=zeros(A,length(nbvoie_reception),numero_tir_fin);%A=nbre of times (coord z)=2650, numero_tir_fin=time index time=(b/rsf+[0:A-1]/rsf); %b=250, rsf=10, freq1=0.5;freq2=1.5; [BB AA]=butter(4,[freq1 freq2]/rsf*2); for ii=1:length(nbvoie_reception)%=64 %eval(['fid=fopen(''E:\ManipLGITLecoeur\' directory '\' name '_' num2str(number) '_' num2str(nbvoie_reception(ii)) '.dat'',''r'');']); filename=fullfile_uvmat(RootPath,SubDir,RootFile,FileExt,NomType,number,[],ii); % input file name fid=fopen(filename); toto=zeros(Nsequence*A*numero_tir_fin+31,1);% Nsequence=1 toto=fread(fid,numero_tir_fin*A*Nsequence+31,'int16','ieee-le') ;% why shift by 31 ????? toto=double(bitxor(uint16(toto),uint16(2048))); toto(1:31)=[];toto(numero_tir_fin*A*Nsequence)=mean(toto); fclose(fid); tata=reshape(toto-2048,A,numero_tir_fin); matrice_finale(:,ii,:)=reshape(tata,[A,1,numero_tir_fin]); clear toto tata end % matrice_finale(:,:,numero_tir_debut:numero_tir_fin_old)=[];%%%%%%% first field removed (when numero_tir_fin_old=1) ????? matrice_finale(:,:,numero_tir_debut:numero_tir_fin_old-1)=[];%%%%%%% % numero_tir_fin=numero_tir_fin-1; ????? matrice_finale=reshape(filtfilt(BB,AA,matrice_finale(:,:)),size(matrice_finale));% low pass filtered input signal,along first (time) index? % if soustraction==1 % eval(['load moyenne_' name '_' num2str(number) '.mat matrice_finale_moy']) % for kk=1:size(matrice_finale,3) % matrice_finale(:,:,kk)=matrice_finale(:,:,kk)-matrice_finale_moy; % end % end %eval(['save matrice_finale_' num2str(numero_tir_fin_old) '_' num2str(numero_tir_fin) '.mat']) %%%%%%%%%%%%%%Imagerie fe=rsf*1e6;% sampling frequency for receptor (in Hz) cc=1475;%speed of sound hanning_window=25; hanning_vect=hanning(2*hanning_window+1); interval=[1:size(matrice_finale,1)]; freq=0:fe/length(interval):fe*(1-1/length(interval)); pas_reseau_z=0.75e-3;%0.75e-3 pas_reseau_r=0; voie_mean=length(nbvoie_reception)/2;%32; reseau_z=[0:length(nbvoie_reception)-1]*pas_reseau_z; reseau_z=reseau_z-reseau_z(voie_mean); reseau_r=[0:length(nbvoie_reception)-1]*pas_reseau_r; reseau_r=reseau_r-reseau_r(voie_mean); debut_r=(time(1)+20)*1e-6*cc/2; fin_r=(time(end)-20)*1e-6*cc/2; image_r=debut_r:.5e-3:fin_r; image_z=-24e-3:.75e-3:24e-3; image_fin=zeros(length(image_r),length(image_z),size(matrice_finale,3));%size=(332,65,pas_fichier) %image_fin_bis=zeros(length(image_r),length(image_z),size(matrice_finale,3)); %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% for kk=1:size(matrice_finale,3) disp(kk) signal=squeeze(matrice_finale(interval,:,kk)); tata_fft=fft(signal,[],1);%FFT of the time signal size=(2650,64) if kk==1 matrice_freq_mean=mean(abs(fft(signal,[],1)),2); X=[freq1*1e6 freq2*1e6]; [I J]=find(freq>=X(1) & freq<=X(2)); int_freq=find(matrice_freq_mean(round(1:length(freq)/2))>max(matrice_freq_mean(round(1:length(freq)/2)))/2); bandwidth=freq(int_freq(end)-int_freq(1)); %clear matrice_freq_mean end for ii=1:length(image_r) for jj=1:length(image_z) delay=zeros(length(nbvoie_reception),1); delay=1/cc*sqrt((reseau_z-image_z(jj)).^2+(reseau_r-image_r(ii)).^2); [ind centre_z]=min(abs((reseau_z-image_z(jj)))); interval_utile=round(((delay(centre_z)+1/cc*abs(image_r(ii)))*fe)-(b+interval(1)-1)+round(length(motifbase)/2)+[-fe/bandwidth/2:fe/bandwidth/2]); delay=delay-delay(centre_z); hanning_vecteur=zeros(1,length(nbvoie_reception)); if centre_z>hanning_window & centre_z<(length(nbvoie_reception)-hanning_window) hanning_vecteur(centre_z+[-hanning_window:hanning_window])=hanning_vect; elseif centre_z<=hanning_window test=hanning_vect((centre_z+[-hanning_window:hanning_window])>=1); hanning_vecteur(1:length(test))=test; elseif centre_z>=(length(nbvoie_reception)-hanning_window) test=hanning_vect((centre_z+[-hanning_window:hanning_window])<=length(nbvoie_reception)); hanning_vecteur(length(nbvoie_reception)+[-length(test)+1:0])=test; end hanning_vecteur=hanning_vecteur/norm(hanning_vecteur); clear test; amplitude_weight=ones(size(signal,1),1)*hanning_vecteur; signal_new_rec=zeros(size(signal,1),length(nbvoie_reception)); tata=zeros(size(signal,1),size(signal,2)); tata(J,:)=tata_fft(J,:).*exp(1i*2*pi*(freq(J)'*delay)); signal_new_rec=2*real(ifft(tata,[],1)).*amplitude_weight; index_interval_utile=find(interval_utile>0 & interval_utileNmoy test_fin_fichier=-1; end end