#!/usr/bin/python

import?math
import?numpy?as?np

class?Gesture（object）:
????def?__init__（selfname）:
????????self.name=name
????def?getName（self）:
????????return?self.name
????def?set_palm（selfhand_centerhand_radius）:
????????self.hand_center=hand_center
????????self.hand_radius=hand_radius
????def?set_finger_pos（selffinger_pos）:
????????self.finger_pos=finger_pos
????????self.finger_count=len（finger_pos）
????def?calc_angles（self）:
????????self.angle=np.zeros（self.finger_countdtype=int）
????????for?i?in?range（self.finger_count）:
????????????y?=?self.finger_pos[i][1]
????????????x?=?self.finger_pos[i][0]
????????????self.angle[i]=abs（math.atan2（（self.hand_center[1]-y）（x-self.hand_center[0]））*180/math.pi）

def?DefineGestures（）:
????dict={}
????#?1.?BEGIN?------------------------------------#
????V=Gesture（“V“）
????V.set_palm（（475225）45）
????V.set_finger_pos（[（49090）（415105）]）
????V.calc_angles（）
????dict[V.getName（）]=V
????#?1.?END?--------------------------------------#
????#?2.?BEGIN?------------------------------------#
????L_right=Gesture（“L_right“）
????L_right.set_palm（（475225）50）
????L_right.set_finger_pos（[（45062）（345200）]）
????L_right.calc_angles（）
????dict[L_right.getName（）]=L_right
????#?2.?END?--------------------------------------#
????#?3.?BEGIN?------------------------------------#
????Index_Pointing=Gesture（“Index_Pointing“）
????Index_Pointing.set_palm（（480230）43）
????Index_Pointing.set_finger_pos（[（475102）]）
????Index_Pointing.calc_angles（）
????dict[Index_Pointing.getName（）]=Index_Pointing
????#?3.?END?--------------------------------------#
????return?dict

def?CompareGestures（src1src2）:
????if（src1.finger_count==src2.finger_count）:
????????if（src1.finger_count==1）:
????????????angle_diff=src1.angle[0]-src2.angle[0]
????????????if（angle_diff>20）:
????????????????result=0
????????????else:
????????????????len1?=?np.sqrt（（src1.finger_pos[0][0]-?src1.hand_center[0]）**2?+?（src1.finger_pos[0][1]?-?src1.hand_center[1]）**2）
????????????????len2?=?np.sqrt（（src2.finger_pos[0][0]-?src2.hand_center[0]）**2?+?（src2.finger_pos[0][1]?-?src2.hand_center[1]）**2）
????????????????length_diff=len1/len2
????????????????radius_diff=src1.hand_radius/src2.hand_radius
????????????????length_score=abs（length_diff-radius_diff）
????????????????if（length_score<0.09）:
????????????????????result=src2.getName（）
????????????????else:
????????????????????result=0
????????else:
????????????angle_diff=[]
????????????for?i?in?range（src1.finger_count）:
????????????????angle_diff.append（src1.angle[i]-src2.angle[i]）
????????????angle_score=max（angle_diff）-min（angle_diff）
????????????if（angle_score<15）:
????????????????length_diff=[]
????????????????for?i?in?range（src1.finger_count）:
????????????????????len1?=?np.sqrt（（src1.finger_pos[i][0]-?src1.hand_center[0]）**2?+?（src1.finger_pos[i][1]?-?src1.hand_center[1]）**2）
????????????????????len2?=?np.sqrt（（src2.finger_pos[i][0]-?src2.hand_center[0]）**2?+?（src2.finger_pos[i][1]?-?src2.hand_center[1]）**2）
??

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2019-04-15?15:21??hand-gesture-recognition-opencv-master\
?????文件????????3579??2016-07-02?09:04??hand-gesture-recognition-opencv-master\GestureAPI.py
?????目錄???????????0??2019-04-15?16:00??__MACOSX\
?????目錄???????????0??2019-04-15?16:00??__MACOSX\hand-gesture-recognition-opencv-master\
?????文件?????????268??2016-07-02?09:04??__MACOSX\hand-gesture-recognition-opencv-master\._GestureAPI.py
?????目錄???????????0??2016-07-02?09:04??hand-gesture-recognition-opencv-master\screenshots\
?????文件??????182529??2016-07-02?09:04??hand-gesture-recognition-opencv-master\screenshots\8.jpg
?????目錄???????????0??2019-04-15?16:00??__MACOSX\hand-gesture-recognition-opencv-master\screenshots\
?????文件?????????212??2016-07-02?09:04??__MACOSX\hand-gesture-recognition-opencv-master\screenshots\._8.jpg
?????文件??????179163??2016-07-02?09:04??hand-gesture-recognition-opencv-master\screenshots\9.jpg
?????文件?????????212??2016-07-02?09:04??__MACOSX\hand-gesture-recognition-opencv-master\screenshots\._9.jpg
?????文件??????174660??2016-07-02?09:04??hand-gesture-recognition-opencv-master\screenshots\4.jpg
?????文件?????????268??2016-07-02?09:04??__MACOSX\hand-gesture-recognition-opencv-master\screenshots\._4.jpg
?????文件??????111111??2016-07-02?09:04??hand-gesture-recognition-opencv-master\screenshots\5.jpg
?????文件?????????268??2016-07-02?09:04??__MACOSX\hand-gesture-recognition-opencv-master\screenshots\._5.jpg
?????文件??????182413??2016-07-02?09:04??hand-gesture-recognition-opencv-master\screenshots\7.jpg
?????文件?????????212??2016-07-02?09:04??__MACOSX\hand-gesture-recognition-opencv-master\screenshots\._7.jpg
?????文件???????44299??2016-07-02?09:04??hand-gesture-recognition-opencv-master\screenshots\6.jpg
?????文件?????????212??2016-07-02?09:04??__MACOSX\hand-gesture-recognition-opencv-master\screenshots\._6.jpg
?????文件???????50359??2016-07-02?09:04??hand-gesture-recognition-opencv-master\screenshots\2.jpg
?????文件?????????268??2016-07-02?09:04??__MACOSX\hand-gesture-recognition-opencv-master\screenshots\._2.jpg
?????文件??????198452??2016-07-02?09:04??hand-gesture-recognition-opencv-master\screenshots\3.jpg
?????文件?????????268??2016-07-02?09:04??__MACOSX\hand-gesture-recognition-opencv-master\screenshots\._3.jpg
?????文件??????179617??2016-07-02?09:04??hand-gesture-recognition-opencv-master\screenshots\1.jpg
?????文件?????????268??2016-07-02?09:04??__MACOSX\hand-gesture-recognition-opencv-master\screenshots\._1.jpg
?????文件?????????212??2016-07-02?09:04??__MACOSX\hand-gesture-recognition-opencv-master\._screenshots
?????文件????????6148??2019-04-15?15:27??hand-gesture-recognition-opencv-master\.DS_Store
?????文件?????????120??2019-04-15?15:27??__MACOSX\hand-gesture-recognition-opencv-master\._.DS_Store
?????文件????????1081??2016-07-02?09:04??hand-gesture-recognition-opencv-master\LICENSE
?????文件?????????212??2016-07-02?09:04??__MACOSX\hand-gesture-recognition-opencv-master\._LICENSE
?????目錄???????????0??2019-04-15?14:40??hand-gesture-recognition-opencv-master\__pycache__\
............此處省略18個文件信息