Initial commit

OpenCV/tutoriel8-2/enregistrement_visage.py

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+import cv2
+import operator
+import common as c
+
+face_cascade=cv2.CascadeClassifier("./haarcascade_frontalface_alt2.xml")
+#cap=cv2.VideoCapture("Plan 9 from Outer Space Charles Burg, J. Edward Reynolds, Hu.mp4")
+cap=cv2.VideoCapture("Plan_9_from_Outer_Space_1959_512kb.mp4")
+
+id=0
+while True:
+    ret, frame=cap.read()
+    gray=cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
+    face=face_cascade.detectMultiScale(gray, scaleFactor=1.2, minNeighbors=4, minSize=(c.min_size, c.min_size))
+    for x, y, w, h in face:
+        cv2.imwrite("non-classees/p-{:d}.png".format(id), frame[y:y+h, x:x+w])
+        cv2.rectangle(frame, (x, y), (x+w, y+h), (0, 0, 255), 2)
+        id+=1
+    cv2.imshow('video', frame)
+    key=cv2.waitKey(1)&0xFF
+    if key==ord('q'):
+        break
+    if key==ord('a'):
+        for cpt in range(100):
+            ret, frame=cap.read()
+    for cpt in range(4):
+        ret, frame=cap.read()
+cap.release()
+cv2.destroyAllWindows()