clear;
clc;
warning?off?all
%%?視頻讀取
mov=VideoReader（‘行車記錄2_720P.avi‘）;?%讀入視頻

nframes?=?mov.NumberOfframes;
vidHeight?=?mov.Height;
vidWidth?=?mov.Width;


%%?車道線檢測(cè)，邊緣檢測(cè)?+?hough變換

%?%?%?從視頻中等間隔提取圖像
movpicture（11）?=?struct（‘cdata‘zeros（vidHeightvidWidth?3‘uint8‘）‘colormap‘[]）;
numpic=0;
%?循環(huán)，依次計(jì)算10幅圖片
k_r?=?[];k_l?=?[];
b_r?=?[];b_l?=?[];
dr?=?[];dl?=?[];
lim_r?=?[];lim_l?=?[];
y00?=?[];
%攝像頭離地高度h??車道寬度?b?車身寬度?bc
h?=?1.1;b?=?3.75;bc?=?1.8;

beta?=?atan（h/50）;%攝像頭與水平面夾角，離地高度?h?最遠(yuǎn)視距50m

for?i=1:floor（nframes/9）:nframes
????fprintf（‘**************正在檢測(cè)第%d幀畫面*************\n‘i）;
????numpic=numpic+1;
????movpicture（numpic）.cdata?=?read（movi）;
????strtemp=strcat（int2str（numpic）‘.‘‘jpg‘）;%將每禎轉(zhuǎn)成jpg的圖片
????imwrite（movpicture（numpic）.cdatastrtemp）;?
????

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

?????文件?????498510??2015-05-31?12:40??line\QQ截圖20150531124015.bmp

?????文件???????9009??2015-06-01?10:48??line\roadDetect5_9.m

?????文件??????48707??2015-05-31?10:55??line\rsulte.jpg

?????文件?????689432??2015-05-31?11:01??line\汽車偏離車道線的圖像分析與視覺計(jì)算方法.pdf

?????文件???16081960??2015-05-31?11:25??line\行車記錄2_720p.avi

?????目錄??????????0??2015-06-01?10:41??line

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

?????????????17327618????????????????????6