class PreProcess():
def __init__(self):
self.transform = Transform()
self.project = Projection()
self.norm = Normalization()
# print("Construct Preprocessor")
def exec(self, depth_bg):
before = time.time()
xyzs, threshold = self.transform.exec(depth_bg)
img, threshold = self.project.exec(xyzs, threshold)
img = self.norm.exec(img, threshold)
after = time.time()
# print("totaltime: "+str(after - before))
# cv2.imshow('image', img)
# cv2.waitKey(0)
# cv2.destroyAllWindows()
# print(img.shape)
return img
