OpenCV + Processing + Python: Imagen de cámara y filtro en tiempo real

FilterCamera.py

# Reconoce rostro y filtra en tiempo real imagenes de video tomadas de la camara

add_library('video')
add_library('opencv_processing')

video, opencv, ancho, alto, fp = None, None, 640, 480, 12

def setup():
    global opencv, video, ancho, alto, fp
    size(ancho, alto)
    video = Capture(this, ancho/2, alto/2)
    opencv = OpenCV(this, ancho/2, alto/2)
    opencv.loadCascade(OpenCV.CASCADE_FRONTALFACE)
    frameRate(fp)
    noFill()
    stroke(0, 255, 0, 100)
    strokeWeight(2)
    video.start()

def draw():
    global opencv, video
    scale(2)
    opencv.loadImage(video)
    image(video, 0, 0)
    faces = opencv.detect()
    for face in faces:
        f = face.x, face.y, face.width, face.height
        rect(*f)
        opencv.loadImage(video)
        opencv.threshold(80)
        # opencv.blur(12)
        # opencv.adaptiveThreshold(591, 1)
        blur = opencv.getSnapshot().get(*f)
        image(blur,0,0,blur.width/2,blur.height/2)
        break

def captureEvent(c): c.read()