You can initialize your model here
def predict(self, img_data: bytes) -> Dict[str, Any]:
:param img_data: the binary data of one image file
:return: the predict result
"box2d": { "xmin": 1, "ymin": 2, "xmax": 3, "ymax": 4 },
"box2d": { "xmin": 5, "ymin": 4, "xmax": 6, "ymax": 9},