spiht_hard.m

Implementation of Integerwavelet transform Plus SPIHT encoding for an image

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%First Step is converting Video to frames and taking 10 frames

fprintf('\n Frame Conversion Process Started........');
 video = aviread('video2.avi',1:10); %get only the first 10 frames
 for i = 1:10  
    ee = video(i).cdata;
    filename = strcat(num2str(i),'.bmp');
    ee = rgb2gray(ee);
    ee = imresize(ee,[64 64]);
    imwrite(ee,filename);
 end;
 fprintf('\n Frame Conversion Process ended........');
 
 
 
fprintf('\n Creating Serial Port Session....');
s = serial('COM1');
set(s,'BaudRate',115200,'StopBits',1,'FlowControl','none','Parity','none','DataBits',8,'outputBufferSize',5000); 
s.InputBufferSize=5000;
s.TimeOut=10;

fprintf('\n Serial Port session is Created');
fopen(s);

% while(1)
%     if(fread(s,1)=='N') fwrite(s,'N');  break; end;
%         fwrite(s,'N');
%  end;
%%For AutoBaud Detection  
fwrite(s,'@');

for i = 1:10
    filename = strcat(num2str(i),'.bmp');
    
    a = imread(filename);
%     a = imresize(a,[64 64]);


%%For Synchronizing the MATLAB and DSP
fwrite(s,'@');
fprintf('\n Wait While image %d is being Sent.........', i);

a1 = a(1:16,:)';
a1 = a1(:) ;
a2 = a(17:32,:)';
a2 = a2(:) ;
a3 = a(33:48,:)';
a3 = a3(:) ;
a4 = a(49:64,:)';
a4 = a4(:) ;

fwrite(s,a1);
fwrite(s,a2);
fwrite(s,a3);
fwrite(s,a4);



% if(isempty(image1)) continue;
% elseif(length(image1)==4097) break;
% end;
% end;
fprintf('\n Image %d is Sent Successfully',i);

fwrite(s,'@');

out{i} = fread(s,4097);
image2 = out{i};

if image2(1)=='#' %%%%%Ok%%%%%%%%%%%%%
    fprintf('\nCompressed Image is received\n');
else
    fprintf('\nCompressed Image is not received properly\n');
end;   


end;
fclose(instrfind);

av = avifile('compressed4.avi');

for i = 1:10
    se = out{i};
    se = se(2:end);
    se = reshape(se,[64 64]);
    se = se';
    imshow(se,[]);
%     se = uint8(se);
%     sd = im2frame(se);
    sd = getframe(gcf);
    av = addframe(av,sd);
end;
% movie('compressed.avi');