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Say there’s an existing component (service or actuator) that does almost everything you want it to, but there’s some slight changes you wish you could make. Luckily, SIC’s object-oriented architecture enables you to inherit from and extend the component you wish to modify. Let’s take the ‘detect’ function of the FaceDetectionComponent service, for example:
| Code Block |
|---|
def detect(self, image):
img = array(image).astype(np.uint8)
gray = cv2.cvtColor(img, cv2.COLOR_RGB2GRAY)
faces = self.faceCascade.detectMultiScale(
gray,
scaleFactor=1.2,
minNeighbors=5,
minSize=(int(self.params.minW), int(self.params.minH)),
)
faces = [BoundingBox(x, y, w, h) for (x, y, w, h) in faces]
return BoundingBoxesMessage(faces) |
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