Why did the RGB to YUV program after the operation showed wrong? Who help me to see what was wrong?

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
# include "stdafx. H" 
#include  
#include  
#include  
#include  
#include  

Definition/* */
# define HIGH 255 
# define LOW 0 
# define LEVEL 256 
176//# define SIZEX column image size 
220//# define SIZEY row image size 
# define SUC sizeof (unsigned char) 
# define READ 0 
# define the WRITE 1 


Void GetFilename (char * name, char * message); 
The FILE * FileOpen (char * filename, int opmode); 
Void ReadImageData (FILE * file_p); 
Void WriteImageData (FILE * file_p); 
Void Calculate (int q []); 
Void the Histogram (long hist []); 
Void Equalization (long hist [], int q []); 

Unsigned char image_in [SIZEX SIZEY * * 3]; 
Unsigned char image_out [SIZEX SIZEY * * 3]; 
The float [SIZEX SIZEY], Y U [SIZEX SIZEY], V [SIZEX SIZEY *]; 
Float Y_out [SIZEX SIZEY *];//the Histogram Equalization, Y ailing 


/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* the MAIN FUNCTION */
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
Int main () 
{
In the FILE * and * out; 

Char source [20], destin [20]. 
Char * mes1="Input Data File Name===& gt; \ t "; 
Char * mes2="Output Data File Name===& gt; \ t "; 

int i; 
Long hist [LEVEL]={0}; 
Int q [LEVEL]={0}; 
Unsigned char Red [SIZEX SIZEY *]={0}; 
Unsigned char Green [SIZEX SIZEY *]={0}; 
Unsigned char Blue * [SIZEX SIZEY]={0}; 

GetFilename (source, mes1); 
GetFilename (destin, mes2); 

In=FileOpen (source, READ); 
Out=FileOpen (destin, WRITE); 
ReadImageData (in); 

for(i=0; I & lt; * SIZEX SIZEY. I++) {
//R, G, B 
Red [I]=image_in [I * 3]; 
Green [I]=image_in [I * 3 + 1]; 
Blue [I]=image_in [I * 3 + 2]; 

//RGB to YUV conversion 
[I] Y=0.3 + 0.59 * * Red [I], [I] + 0.11 * Blue [I]; 
U [I]=(Blue [I] - [I] Y) * 0.493; 
V [I]=(Red [I] - [I] Y) * 0.877; 

} 

for(i=0; I & lt; * SIZEX SIZEY. I++) 
{//YUV to RGB conversion 
Red [I]=Y_out [I] + 0.956 + 0.621 * * U [I] V [I]; 
Green=Y_out [I] [I] + 0.272 + 0.647 * * U [I] V [I]; 
Blue [I]=Y_out [I] + 1.1061 + 1.703 * * U [I] V [I]; 
} 

for(i=0; I & lt; SIZEX SIZEY *; I++) 
{//R, G, B blind the clear aperture moving qin 
Image_out [I * 3]=Red [I]; 
Image_out [I * 3 + 1)=Green [I]; 
Image_out [I * 3 + 2]=Blue [I]; 
} 

WriteImageData (out); 
Fcloseall (); 
} 

Void GetFilename (char * name, char * message) 
{
Printf (" % s ", message); The scanf (" % s ", name); 
} 

The FILE * FileOpen (char * filename, int opmode) 
{
The FILE * file_p; 
Char * op=""; 

If (opmode==WRITE)/* if you want to WRITE */
Op="w + b"; 
Else if (opmode==READ)/* if you want to READ */
Op="r + b"; 

/* the part to get the input data file name */
If ((file_p=fopen (filename, op))==NULL) {/* if the file can 't be the opened */
Printf (" the File Open Error!!!!!! \n"); 
exit(-1); 
} 

Return file_p;/* return the file pointer */
} 

Void ReadImageData (FILE * file_p) 
{
Int Y_Count=0; 
Unsigned char temp=0; 

For (Y_Count=0; Y_Count & lt; SIZEX SIZEY * * 3; Y_Count + +) 
{
The fscanf (file_p, "% c", & amp; Temp); 
Image_in [Y_Count]=temp; 
} 

} 

Void WriteImageData (FILE * file_p) 
{
Int Y_Count; 

For (Y_Count=0; Y_Count & lt; SIZEX SIZEY * * 3; Y_Count + +) 
{
Fprintf (file_p, "% c", image_out [Y_Count]); 
} 
} 

CodePudding user response:

What is wrong, the mistake?

CodePudding user response:

Don't Y_out assignment?