#!/usr/bin/env?python
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#?Copyright?（c）?2012?Philipp?Wagner
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import?sys?math?Image

def?Distance（p1p2）:
??dx?=?p2[0]?-?p1[0]
??dy?=?p2[1]?-?p1[1]
??return?math.sqrt（dx*dx+dy*dy）

def?ScaleRotateTranslate（image?angle?center?=?None?new_center?=?None?scale?=?None?resample=Image.BICUBIC）:
??if?（scale?is?None）?and?（center?is?None）:
????return?image.rotate（angle=angle?resample=resample）
??nxny?=?xy?=?center
??sx=sy=1.0
??if?new_center:
????（nxny）?=?new_center
??if?scale:
????（sxsy）?=?（scale?scale）
??cosine?=?math.cos（angle）
??sine?=?math.sin（angle）
??a?=?cosine/sx
??b?=?sine/sx
??c?=?x-nx*a-ny*b
??d?=?-sine/sy
??e?=?cosine/sy
??f?=?y-nx*d-ny*e
??return?image.transform（image.size?Image.AFFINE?（abcdef）?resample=resample）

def?CropFace（image?eye_left=（00）?eye_right=（00）?offset_pct=（0.20.2）?dest_sz?=?（7070））:
??#?calculate?offsets?in?original?image
??offset_h?=?math.floor（float（offset_pct[0]）*dest_sz[0]）
??offset_v?=?math.floor（float（offset_pct[1]）*dest_sz[1]）
??#?get?the?direction
??eye_direction?=?（eye_right[0]?-?eye_left[0]?eye_right[1]?-?eye_left[1]）
??#?calc?rotation?angle?in?radians
??rotation?=?-math.atan2（float（eye_direction[1]）float（eye_direction[0]））
??#?distance?between?them
??dist?=?Distance（eye_left?eye_right）
??#?calculate?the?reference?eye-width
??reference?=?dest_sz[0]?-?2.0*offset_h
??#?scale?factor
??scale?=?float（dist）/float（reference）
??#?rotate?original?around?the?left?eye
??image?

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2014-12-16?15:49??facerecognition_guide\
?????目錄???????????0??2012-07-28?03:41??facerecognition_guide\bib\
?????文件???????16001??2012-07-28?03:41??facerecognition_guide\bib\facerec.bib
?????文件??????????14??2012-07-28?03:41??facerecognition_guide\definitions.tex
?????文件?????1299605??2014-12-16?12:52??facerecognition_guide\facerec.pdf
?????文件????????2420??2012-07-28?03:41??facerecognition_guide\facerec.tex
?????文件??????887819??2012-07-28?03:41??facerecognition_guide\facerec_octave.pdf
?????文件?????1295314??2012-07-28?03:41??facerecognition_guide\facerec_python.pdf
?????目錄???????????0??2012-07-28?03:41??facerecognition_guide\img\
?????目錄???????????0??2012-07-28?03:41??facerecognition_guide\img\eigenfaces\
?????文件??????160636??2012-07-28?03:41??facerecognition_guide\img\eigenfaces\octave_pca_eigenfaces.pdf
?????文件??????105056??2012-07-28?03:41??facerecognition_guide\img\eigenfaces\octave_pca_reconstruction.pdf
?????文件??????330249??2012-07-28?03:41??facerecognition_guide\img\eigenfaces\python_pca_eigenfaces.pdf
?????文件??????156461??2012-07-28?03:41??facerecognition_guide\img\eigenfaces\python_pca_reconstruction.pdf
?????目錄???????????0??2012-07-28?03:41??facerecognition_guide\img\fisherfaces\
?????文件????????7954??2012-07-28?03:41??facerecognition_guide\img\fisherfaces\multiclasslda.pdf
?????文件??????163641??2012-07-28?03:41??facerecognition_guide\img\fisherfaces\octave_fisherfaces_fisherfaces.pdf
?????文件??????102334??2012-07-28?03:41??facerecognition_guide\img\fisherfaces\octave_fisherfaces_reconstruction.pdf
?????文件??????290898??2012-07-28?03:41??facerecognition_guide\img\fisherfaces\python_fisherfaces_fisherfaces.pdf
?????文件??????124754??2012-07-28?03:41??facerecognition_guide\img\fisherfaces\python_fisherfaces_reconstruction.pdf
?????目錄???????????0??2012-07-28?03:41??facerecognition_guide\img\libfacerec\
?????目錄???????????0??2012-07-28?03:41??facerecognition_guide\img\libfacerec\colormap\
?????文件???????91814??2012-07-28?03:41??facerecognition_guide\img\libfacerec\colormap\lena.jpg
?????文件???????89761??2012-07-28?03:41??facerecognition_guide\img\libfacerec\colormap\lena_autumn.jpg
?????文件???????96182??2012-07-28?03:41??facerecognition_guide\img\libfacerec\colormap\lena_bone.jpg
?????文件???????72090??2012-07-28?03:41??facerecognition_guide\img\libfacerec\colormap\lena_cool.jpg
?????文件??????121763??2012-07-28?03:41??facerecognition_guide\img\libfacerec\colormap\lena_hot.jpg
?????文件??????162097??2012-07-28?03:41??facerecognition_guide\img\libfacerec\colormap\lena_hsv.jpg
?????文件??????230060??2012-07-28?03:41??facerecognition_guide\img\libfacerec\colormap\lena_imshow_jet.jpg
?????文件??????153115??2012-07-28?03:41??facerecognition_guide\img\libfacerec\colormap\lena_jet.jpg
?????文件??????134351??2012-07-28?03:41??facerecognition_guide\img\libfacerec\colormap\lena_mkpj1.jpg
............此處省略227個文件信息