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資源簡介

VectorQuantization 矢量量化數據壓縮編碼 對Lena圖像壓縮 平臺vs c++編程

資源截圖

代碼片段和文件信息

#include?
#include?
#include?
#include?

#define?Mx?512
#define?Nx?512
#define?Ax?2
#define?Bx?2

using?namespace?std;

struct?Color
{
int?R;
int?G;
int?B;
};

bool?bmpRead(vector>?&imageVec?const?char?*fileName)
{
ifstream?file(fileName?ios::in?|?ios::binary);
if?(!file)
return?false;

//?skip?header
const?ifstream::off_type?headerSize?=?54;
file.seekg(headerSize?ios::beg);
//?read?body
for?(size_t?y?=?0;?y?!=?imageVec.size();?++y)
{
for?(size_t?x?=?0;?x?!=?imageVec[0].size();?++x)
{
char?chR?chG?chB;
file.get(chB).get(chG).get(chR);

imageVec[y][x].B?=?chB;
imageVec[y][x].G?=?chG;
imageVec[y][x].R?=?chR;

if?(imageVec[y][x].B? imageVec[y][x].B?=?255?+?imageVec[y][x].B;
if?(imageVec[y][x].G? imageVec[y][x].G?=?255?+?imageVec[y][x].G;
if?(imageVec[y][x].R? imageVec[y][x].R?=?255?+?imageVec[y][x].R;
}
}

file.close();

return?true;
}

bool?bmpWrite(vector>?&imageVec?const?char?*fileName)
{
const?int?headerSize?=?54;

char?header[headerSize]?=?{
0x42?0x4d?0?0?0?0?0?0?0?0
54?0?0?0?40?0?0?0?0?0?0?0?0?0?0?0?1?0?24?0
0?0?0?0?0?0?0?0?0?0?0?0?0?0?0?0?0?0?0?0
0?0?0?0?};

int?ysize?=?imageVec.size();
int?xsize?=?imageVec[0].size();

long?file_size?=?(long)ysize?*?xsize?*?3?+?54;
header[2]?=?(unsigned?char)(file_size?&?0x000000ff);
header[3]?=?(file_size?>>?8)?&?0x000000ff;
header[4]?=?(file_size?>>?16)?&?0x000000ff;
header[5]?=?(file_size?>>?24)?&?0x000000ff;

long?width?=?xsize;
header[18]?=?width?&?0x000000ff;
header[19]?=?(width?>>?8)?&?0x000000ff;
header[20]?=?(width?>>?16)?&?0x000000ff;
header[21]?=?(width?>>?24)?&?0x000000ff;

long?height?=?ysize;
header[22]?=?height?&?0x000000ff;
header[23]?=?(height?>>?8)?&?0x000000ff;
header[24]?=?(height?>>?16)?&?0x000000ff;
header[25]?=?(height?>>?24)?&?0x000000ff;

ofstream?file(fileName?ios::out?|?ios::binary);
if?(!file)
return?false;

//?write?header
file.write(header?headerSize);
//?write?body
for?(size_t?y?=?0;?y?!=?imageVec.size();?++y)
{
for?(size_t?x?=?0;?x?!=?imageVec[0].size();?++x)
{
//char?chB?=?imageVec[y][x].B;
//char?chG?=?imageVec[y][x].G;
//char?chR?=?imageVec[y][x].R;

int?chB?=?(imageVec[y][x].B?*?0.114?+?imageVec[y][x].G?*?0.587?+?imageVec[y][x].R?*?0.299);
//?????int?chG?=?(imageVec[y][x].B+imageVec[y][x].G+imageVec[y][x].R)/3;
//?????int?chR?=?(imageVec[y][x].B+imageVec[y][x].G+imageVec[y][x].R)/3;

file.put(chB).put(chB).put(chB);
//cout?< }
}

file.close();

return?true;
}

int?main()
{
const?size_t?sizey?=?512;
const?size_t?sizex?=?512;

vector>?imageVec(sizey?vector(sizex));
vector>?imageVecNew(sizey?vector(sizex));
vector>?codebook(65?vector(Ax?*?Bx));
vector>?image((Mx?/?Ax)?*?(Nx?/?Bx)?vector(Ax?*?Bx

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-11-25?22:13??VectorQuantization-master\
?????目錄???????????0??2018-11-25?14:25??VectorQuantization-master\.vs\
?????目錄???????????0??2018-11-25?14:25??VectorQuantization-master\.vs\VQ\
?????目錄???????????0??2018-11-25?14:25??VectorQuantization-master\.vs\VQ\v14\
?????文件???????23552??2018-03-22?02:46??VectorQuantization-master\.vs\VQ\v14\.suo
?????目錄???????????0??2018-11-25?14:25??VectorQuantization-master\Debug\
?????文件??????158720??2018-03-22?02:46??VectorQuantization-master\Debug\VQ.exe
?????文件?????1461728??2018-03-22?02:46??VectorQuantization-master\Debug\VQ.ilk
?????文件?????2347008??2018-03-22?02:46??VectorQuantization-master\Debug\VQ.pdb
?????文件?????????633??2018-03-22?02:46??VectorQuantization-master\README.md
?????目錄???????????0??2018-11-25?14:25??VectorQuantization-master\VQ\
?????目錄???????????0??2018-11-25?14:25??VectorQuantization-master\VQ\Debug\
?????文件??????589338??2018-03-22?02:46??VectorQuantization-master\VQ\Debug\Source.obj
?????文件?????????894??2018-03-22?02:46??VectorQuantization-master\VQ\Debug\VQ.log
?????目錄???????????0??2018-11-25?14:25??VectorQuantization-master\VQ\Debug\VQ.tlog\
?????文件?????????618??2018-03-22?02:46??VectorQuantization-master\VQ\Debug\VQ.tlog\CL.command.1.tlog
?????文件???????16140??2018-03-22?02:46??VectorQuantization-master\VQ\Debug\VQ.tlog\CL.read.1.tlog
?????文件?????????396??2018-03-22?02:46??VectorQuantization-master\VQ\Debug\VQ.tlog\CL.write.1.tlog
?????文件?????????194??2018-03-22?02:46??VectorQuantization-master\VQ\Debug\VQ.tlog\VQ.lastbuildstate
?????文件????????1066??2018-03-22?02:46??VectorQuantization-master\VQ\Debug\VQ.tlog\link.command.1.tlog
?????文件????????2830??2018-03-22?02:46??VectorQuantization-master\VQ\Debug\VQ.tlog\link.read.1.tlog
?????文件?????????370??2018-03-22?02:46??VectorQuantization-master\VQ\Debug\VQ.tlog\link.write.1.tlog
?????文件??????379904??2018-03-22?02:46??VectorQuantization-master\VQ\Debug\vc140.idb
?????文件??????462848??2018-03-22?02:46??VectorQuantization-master\VQ\Debug\vc140.pdb
?????文件????????8811??2018-03-22?02:46??VectorQuantization-master\VQ\Source.cpp
?????文件????????7221??2018-03-22?02:46??VectorQuantization-master\VQ\VQ.vcxproj
?????文件?????????935??2018-03-22?02:46??VectorQuantization-master\VQ\VQ.vcxproj.filters
?????文件?????8605696??2018-03-22?02:46??VectorQuantization-master\VQ.VC.db
?????文件?????7340032??2018-11-25?19:37??VectorQuantization-master\VQ.sdf
?????文件????????1260??2018-03-22?02:46??VectorQuantization-master\VQ.sln
?????文件???????19968??2018-11-25?19:37??VectorQuantization-master\VQ.v12.suo
............此處省略3個文件信息

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