def capture_frame():
sender = FaceSender()
capture = cv2.VideoCapture(-1)
while True:
_, frame = capture.read()
cv2.imshow('Ringo Capture', frame)
key = 0xFF & cv2.waitKey(10)
if key == 13 or key == 10: # Enter
gray_frame = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
faces = detect_face(gray_frame)
if faces.size > 0:
# If we have a face, send the picture and wait for the reply which
# contains the URL assigned to the picture.
picture = sender.post_picture(frame_to_png(frame), 'png')
# Append each rect to the list along with the picture URL obtained
# before
rects = []
for (x, y, w, h) in faces:
cv2.rectangle(frame, (x, y), (x+w, y+h), GREEN, 1)
rects.append(get_rect(x, y, w, h, picture))
# Send the rects
sender.post_rect(rects)
sender.close()
cv2.imshow('Face', frame)
elif key == 27: # Escape
break
val, image = cv2.imencode('.png', frame)
return ''.join(struct.pack('B', byte[0]) for byte in image)
def get_rect(x, y, width, height, picture):
"""Construct a dictionary with the values passed"""
return {
'x': str(x),
'y': str(y),
'width': str(width),
'height': str(height),
'picture': picture
}
sender = FaceSender()
sender.set_auth('ringo', 'ringo-123')
capture = cv2.VideoCapture(0)
GREEN = (0, 255, 0)
while True:
_, frame = capture.read()
cv2.imshow('Ringo Capture', frame)
key = 0xFF & cv2.waitKey(10)
if key == 13 or key == 10: # Enter
gray_frame = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
def frame_to_png(frame):
"""Encode the frame in png and convert it to an array of bytes"""
val, image = cv2.imencode('.png', frame)
return ''.join(struct.pack('B', byte[0]) for byte in image)
def get_rect(x, y, width, height, picture):
"""Construct a dictionary with the values passed"""
return {'x': str(x),
'y': str(y),
'width': str(width),
'height': str(height),
'picture': picture}
sender = FaceSender()
sender.set_auth('ringo', 'ringo-123')
capture = cv2.VideoCapture(-1)
GREEN = (0, 255, 0)
while True:
_, frame = capture.read()
cv2.imshow('Ringo Capture', frame)
key = 0xFF & cv2.waitKey(10)
if key == 13 or key == 10: # Enter
gray_frame = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
return faces
return numpy.empty(0)
def frame_to_png(frame):
"""Encode the frame in png and convert it to an array of bytes"""
val, image = cv2.imencode(".png", frame)
return "".join(struct.pack("B", byte[0]) for byte in image)
def get_rect(x, y, width, height, picture):
"""Construct a dictionary with the values passed"""
return {"x": str(x), "y": str(y), "width": str(width), "height": str(height), "picture": picture}
sender = FaceSender()
sender.set_auth("ringo", "ringo-123")
capture = cv2.VideoCapture(0)
GREEN = (0, 255, 0)
while True:
_, frame = capture.read()
cv2.imshow("Ringo Capture", frame)
key = 0xFF & cv2.waitKey(10)
if key == 13 or key == 10: # Enter
gray_frame = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
