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  • 標(biāo)簽: 游程編碼??

資源簡(jiǎn)介

游程編碼(信息論課程設(shè)計(jì))

資源截圖

代碼片段和文件信息

#include“iostream.h“
#include
#include“stdlib.h“
#include“vector“
#include“algorithm“
#include“math.h“
using?namespace?std;
struct?data
{//用于存儲(chǔ)碼字及其編碼結(jié)果
int?mz;
vector??code;
};
struct?rle
{//用于存儲(chǔ)每個(gè)碼字及其個(gè)數(shù)
int?length;
int?mz;
};
int?get_gd(int?n)
{//用于求出編碼的長(zhǎng)度
int?i=0;
int?j=n-1;
while(j>0)
{
j=(j-j%2)/2;
i++;
}
return?i;
}
void?Creadmz(int?hdvector&?vdint?hs)
{//用于構(gòu)建碼字
int?w=0;
int?ws=get_gd(hd);
for(int?i=0;i {
data?d;
d.mz=i+hs;
w=i;
while(w>0)
{
if(w?%?2??==?1)
d.code.push_back(‘1‘);
else?d.code.push_back(‘0‘);
w=(w-w%2)/2.0;
}
for(int?m?=?d.code.size();m? d.code.push_back(‘0‘);
vd.push_back(d);
}
}
void?print(?vectorvd)
{//用于輸出編碼結(jié)果表明
for(int?i=0;i {
cout< for(int?j=vd[i].code.size()-1;j>=0;j--)
cout< cout< }
}
void?print1(?vector??re)
{//輸出碼及其個(gè)數(shù)的組合
for(int?i=0;i {
cout<<“<“<“<<“?“;
}
}
template??
void?print2(vector??cdint?n)
{//輸出編解碼結(jié)果
int?num=0;
for(int?i=0;i {
cout< num++;
if(num%n==0)?cout< }
cout<}

bool?read(vector?&vrint?hdint?&?corint?&rows)
{//讀入要編碼的灰度矩陣
int?rowacr;
rle?re;
cout<<“請(qǐng)輸入矩陣的行列數(shù):“< cin>>row;
cin>>acr;
cor=acr;
rows=row;
cout<<“請(qǐng)輸入灰度值矩陣:“< for(int?i=0;i {
int?n;
n=re.mz=0;
if(n==re.mz)
{
cin>>n;
if(n>=hd){vr.clear();??return?false;}
}
for(int?j=1;j {
re.mz=n;
re.length=0;
while(n==re.mz&&j {
re.length++;
j++;
cin>>n;
if(n>=hd){vr.clear();??return?false;}
}
if(n!=re.mz)
{
vr.push_back(re);
if(j==acr)
{
re.mz=n;
re.length=1;
vr.push_back(re);
}
}
else?if(j==acr)
{
if(n==re.mz)
{
re.length++;
vr.push_back(re);
}
else?{
re.mz=n;
re.length=1;
vr.push_back(re);
}
}
else?vr.push_back(re);
}
}return?true;
}
bool?read1(vector?&?vcint?num)
{//用于讀取要解碼的序列
cout<<“請(qǐng)輸入你要解碼的序列(以‘#‘號(hào)結(jié)束):“< char?ch;
cin>>ch;
while(ch!=‘#‘)
{
vc.push_back(ch);
cin>>ch;
if(ch!=‘0‘&&ch!=‘1‘&&ch!=‘#‘)?{
cout<<“你輸入的碼序列不正確請(qǐng)較正后rr再輸入。“;
vc.clear();
return?false;
}
}
if(vc.size()%num!=0)
{
cout<<“你輸入的碼序列不正確請(qǐng)較正后再輸入。“;
vc.clear();
return?false;
}
return?true;

}
int?find(vector??vdint?x)
{//用于查找要編碼的灰度值是否在灰度級(jí)范圍內(nèi)如果在反回相應(yīng)碼在編碼序列中的位置
int?low=0;
int?high=vd.size()-1;
int?mid=0;
while(low<=high)
{
mid?=?(low?+?high)/2;
if(vd[mid].mz==x)?return?mid;
else?if(x else?low?=?mid?+1;
}
cout<<“the?element?‘“< return?-1;
}
void?Encode(vector??vrvector??vdvector?vhvector?&cd)
{//

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件?????270394??2007-07-05?23:08??RunLength_finsh\Debug\RunLength.exe

?????文件?????116566??2007-07-05?23:08??RunLength_finsh\Debug\RunLength.obj

?????文件?????771072??2007-07-05?23:08??RunLength_finsh\Debug\RunLength.pdb

?????文件?????115712??2007-07-06?10:05??RunLength_finsh\Debug\vc60.idb

?????文件?????110592??2007-07-05?23:08??RunLength_finsh\Debug\vc60.pdb

?????文件???????5512??2007-07-05?23:08??RunLength_finsh\RunLength.cpp

?????文件???????3437??2007-06-03?16:14??RunLength_finsh\RunLength.dsp

?????文件????????541??2007-06-03?16:14??RunLength_finsh\RunLength.dsw

?????文件??????50176??2007-07-06?10:22??RunLength_finsh\RunLength.ncb

?????文件??????48640??2007-07-06?10:22??RunLength_finsh\RunLength.opt

?????文件????????252??2007-07-06?10:04??RunLength_finsh\RunLength.plg

?????文件??????93696??2007-07-06?10:21??RunLength_finsh\游程編碼.doc

?????目錄??????????0??2007-11-07?16:11??RunLength_finsh\Debug

?????目錄??????????0??2008-06-25?17:12??RunLength_finsh

-----------?---------??----------?-----??----

??????????????1586590????????????????????14


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