def getBoundingBoxByClass(self, classId):
    boundingBoxes = []
    for d in self._boundingBoxes:
        if (d.getClassId() == classId):
            boundingBoxes.append(d)
    return boundingBoxes
def getBoundingBoxByClass(self, classId):
    boundingBoxes = []
    for d in self._boundingBoxes:
        if (d.getClassId() == classId):
            boundingBoxes.append(d)
    return boundingBoxes