Perbandingan Kualitas Citra Hasil Kompresi Metode Run Length Encoding Dengan Transformasi Wavelet Daubechies Pada Citra Digital

LAMPIRAN A : LISTING PROGRAM

1.

Form

_Cover

function varargout = Cover(varargin) gui_Singleton = 1;

gui_State = struct('gui_Name', mfilename, ... 'gui_Singleton', gui_Singleton, ... 'gui_OpeningFcn', @Cover_OpeningFcn, ... 'gui_OutputFcn', @Cover_OutputFcn, ... 'gui_LayoutFcn', [] , ...

'gui_Callback', []); if nargin && ischar(varargin{1})

gui_State.gui_Callback = str2func(varargin{1}); end

if nargout

[varargout{1:nargout}] = gui_mainfcn(gui_State, varargin{:}); else

gui_mainfcn(gui_State, varargin{:}); end

function Cover_OpeningFcn(hObject, eventdata, handles, varargin)

handles.Axes1 = imshow('logo.jpg'); handles.output = hObject;

guidata(hObject, handles);

function varargout = Cover_OutputFcn(hObject, eventdata, handles) varargout{1} = handles.output;

function pushbutton1_Callback(hObject, eventdata, handles) Kompresi

delete(handles.figure1)

function pushbutton2_Callback(hObject, eventdata, handles) Help

delete(handles.figure1)

2.

Form

_Kompresi

function varargout = Kompresi(varargin)

gui_Singleton = 1;

gui_State = struct('gui_Name', mfilename, ... 'gui_Singleton', gui_Singleton, ...

'gui_OpeningFcn', @Kompresi_OpeningFcn, ... 'gui_OutputFcn', @Kompresi_OutputFcn, ... 'gui_LayoutFcn', [] , ...

'gui_Callback', []); if nargin && ischar(varargin{1})

gui_State.gui_Callback = str2func(varargin{1}); end

if nargout

[varargout{1:nargout}] = gui_mainfcn(gui_State, varargin{:}); else

gui_mainfcn(gui_State, varargin{:}); end

function Kompresi_OpeningFcn(hObject, eventdata, handles, varargin) handles.output = hObject;

guidata(hObject, handles);

function varargout = Kompresi_OutputFcn(hObject, eventdata, handles)

varargout{1} = handles.output;

function btn_ambil_Callback(hObject, eventdata, handles)

[nama_file,nama_path] = uigetfile({'*.bmp','File Citra(*.bmp)'; '*.bmp','File BMP(*.bmp)';...

'*.*','Semua File(*.*)'},... 'Buka File');

if ~isequal(nama_file,0)

handles.citra=imread(fullfile(nama_path,nama_file)); guidata(hObject,handles);

citra_awal=double(handles.citra);

[handles.baris handles.kolom handles.layer]=size(citra_awal); handles.jum=handles.baris*handles.kolom*handles.layer;

handles.ukuran = handles.jum / 1000; global sizefile_awal;

sizefile_awal = handles.ukuran; axes(handles.axes_awal);

imshow(handles.citra);

set(handles.txt_namafile,'String',nama_file); set(handles.txt_sizefile,'String',sizefile_awal); else

return; end

set(handles.btn_kompres_rle,'Enable','On'); set(handles.btn_ambil,'Enable','Off'); set(handles.btn_reset,'Enable','On');

set(handles.btn_dekompres_daubechies,'Enable','On');

function btn_kompres_rle_Callback(hObject, eventdata, handles) [nama_file_simpan, path_simpan]=uiputfile(...

{'*.rle','File kompres(*.rle)'},...

'Menyimpan File Citra Hasil Kompresi BMP'); global sizefile_awal;

global runtime; runtime = cputime;

image = handles.citra;

image_kompres = RunLengthEncoding(image,1); handles.citra = image_kompres;

axes(handles.axes_kompresi_rle); imshow(handles.citra);

runtime = cputime-runtime;

set(handles.txt_rt_kompresi_rle,'String',runtime);

if ~isequal(nama_file_simpan,0)

srle=strcat(path_simpan, nama_file_simpan); save (srle,'image_kompres');

citra_rle=double(handles.citra);

[handles.baris handles.kolom handles.layer]=size(citra_rle); handles.jum_hasil=handles.baris*handles.kolom*handles.layer; handles.ukuran_hasil_rle = handles.jum_hasil / 1000;

size_hasil_rle = handles.ukuran_hasil_rle;

rasio=100-((size_hasil_rle/sizefile_awal)*100);

data_redudansi = 1-(1/(sizefile_awal/size_hasil_rle)); else

return; end

set(handles.txt_sizefile_kompresi_rle,'String',size_hasil_rle); set(handles.txt_ratiokompresi_rle,'String',rasio);

set(handles.txt_redudansi_rle,'String',data_redudansi);

set(handles.btn_dekompres_rle,'Enable','On'); set(handles.btn_kompres_rle,'Enable','Off');

function btn_kompres_daubechies_Callback(hObject, eventdata, handles)

[nama_file_simpan, path_simpan]=uiputfile(... {'*.db','File kompres(*.db)'},...

'Menyimpan File Citra Hasil Kompresi'); global sizefile_awal;

global runtime; runtime = cputime;

citra_awal = handles.citra;

Matriks_kuantisasi = [16 11 10 16 24 40 51 61; ...

citra_proses = zeros(baris,kolom);

for bx = 1:baris/8 for by = 1:kolom/8

block = double(citra_awal(bx*8-7:bx*8, by*8-7:by*8))-128; % get block, and shift it

block = db1(block,1); block = round(block ./ Matriks_kuantisasi);

disp(block);% quantization

citra_proses(bx*8-7:bx*8, by*8-7:by*8) = block; end

end

citra_kompres = rlencoding(citra_proses,1); handles.citra = citra_kompres;

axes(handles.axes_kompresi_daubechies); imshow(handles.citra);

runtime = cputime-runtime;

set(handles.txt_rt_kompresi_daubechies,'String',runtime);

if ~isequal(nama_file_simpan,0)

srle=strcat(path_simpan, nama_file_simpan); save (srle,'citra_kompres');

citra_daubechies=double(handles.citra); [handles.baris handles.kolom

handles.layer]=size(citra_daubechies);

handles.jum_hasil=handles.baris*handles.kolom*handles.layer; handles.ukuran_hasil_daubechies = handles.jum_hasil / 1000; size_hasil_daubechies = handles.ukuran_hasil_daubechies;

rasio=100-((size_hasil_daubechies/sizefile_awal)*100);

function btn_dekompres_rle_Callback(hObject, eventdata, handles) [nama_file_rle,nama_path_rle] = uigetfile(...

{'*.rle','File kompres(*.rle)'},... 'Buka File RLE');

if ~isequal(nama_file_rle,0)

rle=importdata(fullfile(nama_path_rle, nama_file_rle)); else

return; end

global runtime; runtime = cputime;

image = rle;

image_kompres = RunLengthEncoding(image,2); handles.citra = image_kompres;

axes(handles.axes_dekompresi_rle); imshow(handles.citra);

runtime = cputime-runtime;

set(handles.txt_rt_dekompresi_rle,'String',runtime);

sImage = getimage(handles.axes_dekompresi_rle);

[FileName, PathName] = uiputfile({'*.bmp','BMP'}, 'Save As'); pathfile=fullfile(PathName, FileName);

imwrite(sImage,pathfile,'bmp'); citra_drle=double(handles.citra);

[handles.baris handles.kolom handles.layer]=size(citra_drle); handles.jum_hasil_drle=handles.baris*handles.kolom*handles.layer; handles.ukuran_hasil_drle = handles.jum_hasil_drle / 1000;

size_hasil_drle = handles.ukuran_hasil_drle;

set(handles.txt_sizefile_dekompresi_rle,'String',size_hasil_drle);

set(handles.btn_reset,'Enable','On'); set(handles.btn_ambil,'Enable','Off');

set(handles.btn_kompres_daubechies,'Enable','On'); set(handles.btn_dekompres_rle,'Enable','Off');

function btn_dekompres_daubechies_Callback(hObject, eventdata, handles)

[nama_file_db,nama_path_db] = uigetfile(... {'*.db','File kompres(*.db)'},...

'Buka File Daubechies'); if ~isequal(nama_file_db,0)

db=importdata(fullfile(nama_path_db, nama_file_db)); else

return; end

global runtime; runtime = cputime;

citra_awal = db;

citra_terkompres = rlencoding(citra_awal,2);

Matriks_kuantisasi = [16 11 10 16 24 40 51 61; ... 12 12 14 19 26 58 60 55; ... 14 13 16 24 40 57 69 56; ... 14 17 22 29 51 87 80 62; ... 18 22 37 56 68 109 103 77; ... 24 35 55 64 81 104 113 92; ... 49 64 78 87 103 121 120 101; ... 72 92 95 98 112 100 103 99];

citra_proses = uint8(zeros(baris,kolom));

for bx = 1:baris/8 for by = 1:kolom/8

block = citra_terkompres(bx*8-7:bx*8, by*8-7:by*8); % get block block = block.*Matriks_kuantisasi; %

dequantization

block = idb1(block,1); % inverse db block = uint8(block + 128); % shift

citra_proses(bx*8-7:bx*8, by*8-7:by*8) = block; end

end

handles.citra = citra_proses; citra = handles.citra;

axes(handles.axes_dekompresi_daubechies); imshow(handles.citra);

runtime = cputime-runtime;

set(handles.txt_rt_dekompresi_daubechies,'String',runtime);

sImage = getimage(handles.axes_dekompresi_rle);

[FileName, PathName] = uiputfile({'*.bmp','BMP'}, 'Save As'); pathfile=fullfile(PathName, FileName);

imwrite(sImage,pathfile,'bmp'); citra_idb=double(handles.citra);

[handles.baris handles.kolom handles.layer]=size(citra_idb); handles.jum_hasil_idb=handles.baris*handles.kolom*handles.layer; handles.ukuran_hasil_idb = handles.jum_hasil_idb / 1000;

size_hasil_idb = handles.ukuran_hasil_idb;

set(handles.txt_sizefile_dekompresi_daubechies,'String',size_hasil_id b);

set(handles.btn_dekompres_daubechies,'Enable','Off'); set(handles.btn_reset,'Enable','On');

set(handles.btn_ambil,'Enable','Off');

function btn_home_Callback(hObject, eventdata, handles)

Cover

delete(handles.figure1)

function btn_exit_Callback(hObject, eventdata, handles)

function txt_namafile_Callback(hObject, eventdata, handles)

function txt_namafile_CreateFcn(hObject, eventdata, handles)

if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))

set(hObject,'BackgroundColor','white'); end

function txt_sizefile_Callback(hObject, eventdata, handles)

function txt_sizefile_CreateFcn(hObject, eventdata, handles)

if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))

set(hObject,'BackgroundColor','white'); end

function txt_sizefile_kompresi_rle_Callback(hObject, eventdata, handles)

function txt_sizefile_kompresi_rle_CreateFcn(hObject, eventdata, handles)

if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))

set(hObject,'BackgroundColor','white'); end

function txt_sizefile_kompresi_daubechies_Callback(hObject, eventdata, handles)

function txt_sizefile_kompresi_daubechies_CreateFcn(hObject, eventdata, handles)

if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))

set(hObject,'BackgroundColor','white'); end

function txt_sizefile_dekompresi_rle_CreateFcn(hObject, eventdata, handles)

if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))

set(hObject,'BackgroundColor','white'); end

function txt_sizefile_dekompresi_daubechies_Callback(hObject, eventdata, handles)

function txt_sizefile_dekompresi_daubechies_CreateFcn(hObject, eventdata, handles)

if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))

set(hObject,'BackgroundColor','white'); end

function txt_rt_kompresi_rle_Callback(hObject, eventdata, handles)

function txt_rt_kompresi_rle_CreateFcn(hObject, eventdata, handles)

if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))

set(hObject,'BackgroundColor','white'); end

function txt_ratiokompresi_rle_Callback(hObject, eventdata, handles)

function txt_ratiokompresi_rle_CreateFcn(hObject, eventdata, handles)

if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))

set(hObject,'BackgroundColor','white'); end

function txt_redudansi_rle_Callback(hObject, eventdata, handles)

if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))

set(hObject,'BackgroundColor','white'); end

function txt_rt_kompresi_daubechies_Callback(hObject, eventdata, handles)

function txt_rt_kompresi_daubechies_CreateFcn(hObject, eventdata, handles)

if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))

set(hObject,'BackgroundColor','white'); end

function txt_ratiokompresi_daubechies_Callback(hObject, eventdata, handles)

function txt_ratiokompresi_daubechies_CreateFcn(hObject, eventdata, handles)

if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))

set(hObject,'BackgroundColor','white'); end

function txt_redudansi_daubechies_Callback(hObject, eventdata, handles)

function txt_redudansi_daubechies_CreateFcn(hObject, eventdata, handles)

if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))

set(hObject,'BackgroundColor','white'); end

function txt_rt_dekompresi_rle_Callback(hObject, eventdata, handles)

function txt_rt_dekompresi_rle_CreateFcn(hObject, eventdata, handles)

if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))

function txt_rt_dekompresi_daubechies_Callback(hObject, eventdata, handles)

function txt_rt_dekompresi_daubechies_CreateFcn(hObject, eventdata, handles)

if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))

set(hObject,'BackgroundColor','white'); end

function btn_reset_Callback(hObject, eventdata, handles)

handles.citra=handles.citra([]); axes(handles.axes_awal);

imshow(handles.citra);

set(handles.btn_ambil,'Enable','On');

set(handles.btn_kompres_rle,'Enable','Off'); set(handles.btn_dekompres_rle,'Enable','On');

set(handles.btn_kompres_daubechies,'Enable','Off'); set(handles.btn_dekompres_daubechies,'Enable','On'); set(handles.btn_reset,'Enable','Off');

set(handles.txt_namafile,'string',' '); set(handles.txt_sizefile,'string',' ');

handles.citra=handles.citra([]); axes(handles.axes_kompresi_rle); imshow(handles.citra);

set(handles.txt_sizefile_kompresi_rle,'string',' '); set(handles.txt_rt_kompresi_rle,'string',' ');

set(handles.txt_ratiokompresi_rle,'string',' '); set(handles.txt_redudansi_rle,'string',' ');

handles.citra=handles.citra([]);

axes(handles.axes_kompresi_daubechies); imshow(handles.citra);

set(handles.txt_sizefile_kompresi_daubechies,'string',' '); set(handles.txt_rt_kompresi_daubechies,'string',' ');

set(handles.txt_ratiokompresi_daubechies,'string',' '); set(handles.txt_redudansi_daubechies,'string',' ');

handles.citra=handles.citra([]); axes(handles.axes_dekompresi_rle); imshow(handles.citra);

set(handles.txt_sizefile_dekompresi_rle,'string',' '); set(handles.txt_rt_dekompresi_rle,'string',' ');

handles.citra=handles.citra([]);

axes(handles.axes_dekompresi_daubechies); imshow(handles.citra);

3.

Form

_Help

function varargout = Help(varargin) gui_Singleton = 1;

gui_State = struct('gui_Name', mfilename, ... 'gui_Singleton', gui_Singleton, ... 'gui_OpeningFcn', @Help_OpeningFcn, ... 'gui_OutputFcn', @Help_OutputFcn, ... 'gui_LayoutFcn', [] , ...

'gui_Callback', []); if nargin && ischar(varargin{1})

gui_State.gui_Callback = str2func(varargin{1}); end

if nargout

[varargout{1:nargout}] = gui_mainfcn(gui_State, varargin{:}); else

gui_mainfcn(gui_State, varargin{:}); end

function Help_OpeningFcn(hObject, eventdata, handles, varargin) handles.output = hObject;

guidata(hObject, handles);

function varargout = Help_OutputFcn(hObject, eventdata, handles) varargout{1} = handles.output;

function pushbutton1_Callback(hObject, eventdata, handles) close;

function pushbutton3_Callback(hObject, eventdata, handles) Cover

delete(handles.figure1)

4.

Class

_{RunLengthEncoding.m}

function [citrahasil]=RunLengthEncoding(citraawal,pilihan) if (pilihan==1)

citrahasil(1:2)=size(citraawal); a=citraawal(1,1);

b=0; c=2;

for i=1:size(citraawal,1) for j=1:size(citraawal,2) if (citraawal(i,j)==a) b=b+1;

else

citrahasil(2*c-1)=a; citrahasil(2*c)=b; a=citraawal(i,j); b=1;

c=c+1; end

elseif (pilihan==2)

citrahasil=zeros(citraawal(1:2)); a=1;

b=0;

for i=2:length(citraawal)/2 for j=1:citraawal(2*i) b=b+1;

citrahasil(a,b)=citraawal(2*i-1); if (b==citraawal(2))

a=a+1; b=0; end end end

citrahasil=uint8(citrahasil);

else error('') end

display(citrahasil); end

5.

Class

_db1.m

function citrahasil = db1(citraawal, level); [baris,kolom] = size(citraawal);

count = 0;

citrahasil = citraawal;

while count < level,

k = 1; j = 1; index = 1;

while(k <= kolom), for j = 1:baris,

citraawal1(j, index) = (citraawal(j,k)+citraawal(j,k+1))/2; citraawal1(j, (kolom/2)+(index)) = (citraawal(j,k) -

citraawal(j,k+1))/2; end

index = index + 1; k = k + 2;

end

index = 1; k = 1; j = 1;

while(j <= baris), for k = 1:kolom,

citrahasil((baris/2) + (index), k) = (citraawal1(j,k) - citraawal1(j+1, k))/2;

end

index = index + 1; j = j + 2;

end

baris = baris/2; kolom = kolom/2; count = count+1;

citraawal = citrahasil; end

citrahasil = round(citrahasil);

6.

Class

_idb1.m

function citraakhir = idb1(citraawal, level);

[baris,kolom] = size(citraawal); baris = baris / 2^(level-1); kolom = kolom / 2^(level-1); count = 0;

citraakhir = citraawal; citraawal1 = citraawal;

while count < level

index = 1; j = 1; k = 1;

while j < baris, for k = 1:kolom,

citraawal1(j,k) = (citraawal(index,k) + citraawal(index+baris/2,k));

citraawal1(j+1,k) = (citraawal(index,k) - citraawal(index+baris/2,k));

end j = j+2;

index = index+1; end

k = 1; j = 1; index = 1;

while k <= kolom, for j = 1:baris,

citraakhir(j,k) = (citraawal1(j,index) + citraawal1(j, index+kolom/2));

citraakhir(j, k+1) = (citraawal1(j,index) - citraawal1(j, index+kolom/2));

end

k = k + 2;

count = count+1; baris = baris*2; kolom = kolom*2;

citraawal = citraakhir; end

citraakhir = round(citraakhir);

7.

Class

_rlencoding.m

function [citrahasil]=rlencodcitraawalg(citraawal,pilihan) if (pilihan==1)

citrahasil(1:2)=size(citraawal); a=citraawal(1,1);

b=0; c=2;

for i=1:size(citraawal,1) for j=1:size(citraawal,2) if (citraawal(i,j)==a) b=b+1;

else

citrahasil(2*c-1)=a; citrahasil(2*c)=b; a=citraawal(i,j); b=1;

c=c+1; end

end end

elseif (pilihan==2)

citrahasil=zeros(citraawal(1:2)); a=1;

b=0;

for i=2:length(citraawal)/2 for j=1:citraawal(2*i) b=b+1;

citrahasil(a,b)=citraawal(2*i-1); if (b==citraawal(2))

a=a+1; b=0; end end end

citrahasil=double(citrahasil);

else error('') end

display(citrahasil); end