function?[faceIbox]?=?facedetect（I）?

faceI?=?[];
box?=?[];

faceDetector?=?vision.CascadeobjectDetector（）;%人臉檢測器?????
[MNK]?=?size（I）;

scale?=?1;%縮小系數，為了更快的檢索圖像中人臉
I?=?imresize（I[M/scaleN/scale]）;

bbox?=?step（faceDetector?I）;%人臉檢測

%這里可能檢測出多個，我們選擇最大人臉作為我們的樣本
if?~isempty（bbox）
????max_area?=?0;
????for?i?=?1:?size（bbox?1）
????????if?bbox（i3）*bbox（i4）?>?max_area
????????????max_area?=?bbox（i3）*bbox（i4）;
????????????max_idx?=?i;
????????end
????end
??

????box?=?bbox（max_idx:）;%最大區域矩形
????box?=?ceil（box.*scale）;%對應的尺寸也要放大
????faceI?=?imcrop（Ibox）;%截取出人臉區域
else
????box?=?[];?
end

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2019-07-23?10:55??基于MATLAB的庫外人臉識別GUI界面源碼\
?????文件?????????704??2019-03-18?01:12??基于MATLAB的庫外人臉識別GUI界面源碼\facedetect.m
?????文件????????7773??2019-07-22?22:22??基于MATLAB的庫外人臉識別GUI界面源碼\facerecg.fig
?????文件????????5921??2019-07-15?23:47??基于MATLAB的庫外人臉識別GUI界面源碼\facerecg.m
?????目錄???????????0??2019-07-22?22:19??基于MATLAB的庫外人臉識別GUI界面源碼\人臉庫\
?????目錄???????????0??2019-07-21?19:40??基于MATLAB的庫外人臉識別GUI界面源碼\人臉庫\01\
?????文件???????30966??1994-04-18?14:17??基于MATLAB的庫外人臉識別GUI界面源碼\人臉庫\01\s1.bmp
?????文件???????30966??1994-04-18?14:07??基于MATLAB的庫外人臉識別GUI界面源碼\人臉庫\01\s10.bmp
?????文件???????30966??1994-04-18?14:17??基于MATLAB的庫外人臉識別GUI界面源碼\人臉庫\01\s2.bmp
?????文件???????30966??1994-04-18?14:17??基于MATLAB的庫外人臉識別GUI界面源碼\人臉庫\01\s3.bmp
?????文件???????30966??1994-04-18?14:17??基于MATLAB的庫外人臉識別GUI界面源碼\人臉庫\01\s4.bmp
?????文件???????30966??1994-04-18?14:17??基于MATLAB的庫外人臉識別GUI界面源碼\人臉庫\01\s5.bmp
?????文件???????30966??1994-04-18?14:07??基于MATLAB的庫外人臉識別GUI界面源碼\人臉庫\01\s6.bmp
?????文件???????30966??1994-04-18?14:07??基于MATLAB的庫外人臉識別GUI界面源碼\人臉庫\01\s7.bmp
?????文件???????30966??1994-04-18?14:07??基于MATLAB的庫外人臉識別GUI界面源碼\人臉庫\01\s8.bmp
?????文件???????30966??1994-04-18?14:07??基于MATLAB的庫外人臉識別GUI界面源碼\人臉庫\01\s9.bmp
?????目錄???????????0??2019-07-21?19:40??基于MATLAB的庫外人臉識別GUI界面源碼\人臉庫\02\
?????文件???????30966??1994-04-18?14:17??基于MATLAB的庫外人臉識別GUI界面源碼\人臉庫\02\s1.bmp
?????文件???????30966??1994-04-18?14:07??基于MATLAB的庫外人臉識別GUI界面源碼\人臉庫\02\s10.bmp
?????文件???????30966??1994-04-18?14:17??基于MATLAB的庫外人臉識別GUI界面源碼\人臉庫\02\s2.bmp
?????文件???????30966??1994-04-18?14:17??基于MATLAB的庫外人臉識別GUI界面源碼\人臉庫\02\s3.bmp
?????文件???????30966??1994-04-18?14:17??基于MATLAB的庫外人臉識別GUI界面源碼\人臉庫\02\s4.bmp
?????文件???????30966??1994-04-18?14:17??基于MATLAB的庫外人臉識別GUI界面源碼\人臉庫\02\s5.bmp
?????文件???????30966??1994-04-18?14:07??基于MATLAB的庫外人臉識別GUI界面源碼\人臉庫\02\s6.bmp
?????文件???????30966??1994-04-18?14:07??基于MATLAB的庫外人臉識別GUI界面源碼\人臉庫\02\s7.bmp
?????文件???????30966??1994-04-18?14:07??基于MATLAB的庫外人臉識別GUI界面源碼\人臉庫\02\s8.bmp
?????文件???????30966??1994-04-18?14:07??基于MATLAB的庫外人臉識別GUI界面源碼\人臉庫\02\s9.bmp
?????目錄???????????0??2019-07-21?19:40??基于MATLAB的庫外人臉識別GUI界面源碼\人臉庫\03\
?????文件???????30966??1994-04-18?14:17??基于MATLAB的庫外人臉識別GUI界面源碼\人臉庫\03\s1.bmp
?????文件???????30966??1994-04-18?14:07??基于MATLAB的庫外人臉識別GUI界面源碼\人臉庫\03\s10.bmp
?????文件???????30966??1994-04-18?14:17??基于MATLAB的庫外人臉識別GUI界面源碼\人臉庫\03\s2.bmp
............此處省略78個文件信息