update file directory and model files

README.md

-1、舵机角度控制参考如下：
-   https://www.yahboom.com/build.html?id=1992&cid=257
+版权归优波生命科技有限公司所有
+
+目录结构如下：
+c++目录存放C++下的库文件、接口代码、使用可以查看readme及使用列子
+python目录存放python实现代码，接口文件
+models存放相关模型文件
+image存放测试图片
+                 
 

python/README.md

+1、舵机角度控制参考如下：
+   https://www.yahboom.com/build.html?id=1992&cid=257
+2、安装python版本opencv
+   sudo pip install opencv-python
+   sudo pip install opnecv-contrib-python
+3、测试
+   cd examples
+   python facesMutiTracker.py

python/examples/facesMutiTracker.py

+import numpy as np 
+import cv2
+import sys
+import datetime 
+
+class item:
+    def __init__(self):
+        self.trackid = 0;
+        self.age = 0;
+        self.gender  = 0;
+        self.list =[];
+        
+
+def CatVideo():
+
+    cv2.namedWindow("CaptureFace")
+    cap=cv2.VideoCapture(0)
+    classfier=cv2.CascadeClassifier("haarcascade_frontalface_alt2.xml")
+    
+    tracker = cv2.MultiTracker_create()
+    isdetected = False
+
+    recordtime = datetime.datetime.now()
+    while cap.isOpened():
+        ok,frame=cap.read()
+        if not ok:
+            print('Failed to read video')
+            break
+     
+        curtime = datetime.datetime.now() 
+        if ( (curtime - recordtime).seconds >= 2):
+            isdetected = False
+            print("update date box")
+                   
+
+        if not isdetected:
+            grey=cv2.cvtColor(frame,cv2.COLOR_BGR2GRAY)
+            faceRects = classfier.detectMultiScale(grey, scaleFactor = 1.2, minNeighbors = 3, minSize = (32, 32))
+            if len(faceRects) > 0:                                         
+                for faceRect in faceRects: 
+                     x, y, w, h = faceRect 
+                     #cv2.rectangle(frame, (x - 10, y - 10), (x + w + 10, y + h + 10), (0,255,0), 3)
+                     tracker = cv2.MultiTracker_create()
+                     # Define an initial bounding box
+                     bbox = (x, w, y, h)
+                     #a= item()
+                     #a.list.append(bbox)
+                     #print("tst: "+len(a.list) )
+                     ok = tracker.add(cv2.TrackerKCF_create(), frame, bbox)
+                     isdetected = True
+                     recordtime = curtime
+                     
+            
+        # Start timer 
+        timer = cv2.getTickCount() 
+        # Update tracker 
+        ok, boxes = tracker.update(frame)
+        print ok, boxes
+        # Calculate Frames per second (FPS) 
+        fps = cv2.getTickFrequency() / (cv2.getTickCount() - timer);
+        
+        # Draw bounding box
+        if ok: 
+            # Tracking success 
+            for newbox in boxes:
+                p1 = (int(newbox[0]), int(newbox[1]))
+                p2 = (int(newbox[0] + newbox[2]), int(newbox[1] + newbox[3]))
+                cv2.rectangle(frame, p1, p2, (200,0,0))
+        else : 
+            # Tracking failure 
+            cv2.putText(frame, "Tracking failure detected", (100,80),  cv2.FONT_HERSHEY_SIMPLEX, 0.75,(0,0,255),2) 
+            
+        # Display FPS on frame 
+        cv2.putText(frame, "FPS : " + str(int(fps)), (100,50), cv2.FONT_HERSHEY_SIMPLEX, 0.75, (50,170,50), 2);
+                          
+        cv2.imshow("CaptureFace",frame)
+        if cv2.waitKey(10)&0xFF==ord('q'):
+            break
+ 
+    cap.release()
+    cv2.destroyAllWindows()
+ 
+CatVideo()