clear?all;
clc;

RGBimg=imread（‘C:/Users/bi/Desktop/picture/08.jpg‘）;
subplot（221）;
imshow（RGBimg）;
%imwrite（RGBimg‘new.bmp‘）;?
%y=imread（‘new.bmp‘）;?????
%x=rgb2gray（x）;
[imgHeightimgWidthimgDim]=size（RGBimg）;??
%imhist（x）;?%灰度直方圖?

%imshow（RGBimg）;
%xbw=im2bw（x0.95）;
s=0;
YUVimg?=?rgb2ycbcr（RGBimg）;?????%%%?rgb?->?yuv
Y?=?YUVimg（::1）;?????%?Y?矩陣
U?=?YUVimg（::2）;?????%?U?矩陣
V?=?YUVimg（::3）;?????%?V?矩陣

yuv444sampY（::1）=Y;???%最后一維為幀號，僅為一個圖設置成1就好，入十視頻需要做成循環
yuv444sampU（::1）=U;
yuv444sampV（::1）=V;

????fid1=?fopen（‘444yv12.yuv‘‘wb‘）;
????for?i1?=?1:imgHeight?
???????fwrite（fid1yuv444sampY（i1:1））;??%輸出到文件中Y
????end
????for?i1?=?1:imgHeight
???????fwrite（fid1yuv444sampU（i1:1））;??
????end
????for?i1?=?1:imgHeight
???????fwrite（fid1yuv444sampV（i1:1））;?
????end
?fclose（fid1）;


yuv422out?=?uint8（zeros（1len））;
yuv422sampY（::1）?=?Y;??????????
yuv422sampU（::1）?=?U（:1:2:size（U2））;
yuv422sampV（::1）?=?V（:2:2:size（V2））;

????fid2=?fopen（‘422yv12.yuv‘‘wb‘）;?????
????for?i1?=?1:imgHeight?
???????fwrite（fid2yuv422sampY（i1:1））;??%輸出到文件中Y
????end
????for?i1?=?1:imgHeight
???????fwrite（fid2yuv422sampU（i1:1））;??
????end
????for?i1?=?1:imgHeight
???????fwrite（fid2yuv422sampV（i1:1））;?
????end
????fclose（fid2）;



%?if（c==3）?%RGB?pic???
%?????fid?=?fopen（‘picture_RGB.txt‘‘w‘）;
%?????for?i=1:m
%?????????for?j=1:n
%?????????????rgb=uint32（uint32（x（ij1））*2^16+uint32（x（ij2））*2^8+uint32（x（ij3）））;
%?????????????fprintf（fid‘%x?‘rgb）;
%?????????end
%?????????fprintf（fid‘\n‘）;??
%?????end
%?????fclose（fid）;
%?else?
%???????fid?=?fopen（‘picture_data.txt‘‘w‘）;
%???????for?i=1:m
%?????????for?j=1:n
%?????????????fprintf（fid‘%x?‘x（ij））;
%?????????end
%??????????fprintf（fid‘\n‘）;?
%???????end
%????????fclose（fid）;
%?end
???



%?matlab=zeros（mnc‘uint8‘）;
%??
%?q=??textread（‘picture_data.txt‘‘%s‘）;
%?q=hex2dec（q）;
%?q=uint8（q）;
%??for?i=1:m
%?????????for?j=1:n
%?????????????for?k=1:c?????
%?????????????s=s+1;
%?????????????matlab（ijk）=?q（s）;
%?????????????end
%?????????end
%??end
%??
%?subplot（223）;
%?imshow（matlab）;
%?
%?Q=?textread（‘D:/modelsim/test/data_out.txt‘‘%s‘）;
%?Q=hex2dec（Q）;
%?Q=uint8（Q）;
%?
%?model=zeros（mnc‘uint8‘）;
%?
%?s=0;
%??for?i=1:m
%?????????for?j=1:n?bgtv
%?????????????for?k=1:c
%?????????????s=s+1;
%?????????????model（ijk）=?Q（s）;
%?????????????end
%?????????end
%??end
%??subplot（224）;
%?imshow（model）;

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????2579??2018-12-23?11:20??malab圖片讀取轉換存儲\picture_read.m

?????文件????1564672??2011-04-18?18:17??malab圖片讀取轉換存儲\yuvplayer.exe

?????目錄??????????0??2018-12-23?11:23??malab圖片讀取轉換存儲

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

??????????????1567251????????????????????3