cls_id_to_name = { 1: 'person', 2: 'bicycle', 3: 'car', 4: 'motorcycle', 5: 'airplane', 6: 'bus', 7: 'train', 8: 'truck', 9: 'boat', 10: 'traffic light', 11: 'fire hydrant', 12: 'stop sign', 13: 'parking meter', 14: 'bench', 15: 'bird', 16: 'cat', 17: 'dog', 18: 'horse', 19: 'sheep', 20: 'cow', 21: 'elephant', 22: 'bear', 23: 'zebra', 24: 'giraffe', 25: 'backpack', 26: 'umbrella', 27: 'handbag', 28: 'tie', 29: 'suitcase', 30: 'frisbee', 31: 'skis', 32: 'snowboard', 33: 'sports ball', 34: 'kite', 35: 'baseball bat', 36: 'baseball glove', 37: 'skateboard', 38: 'surfboard', 39: 'tennis racket', 40: 'bottle', 41: 'wine glass', 42: 'cup', 43: 'fork', 44: 'knife', 45: 'spoon', 46: 'bowl', 47: 'banana', 48: 'apple', 49: 'sandwich', 50: 'orange', 51: 'broccoli', 52: 'carrot', 53: 'hot dog', 54: 'pizza', 55: 'donut', 56: 'cake', 57: 'chair', 58: 'couch', 59: 'potted plant', 60: 'bed', 61: 'dining table', 62: 'toilet', 63: 'tv', 64: 'laptop', 65: 'mouse', 66: 'remote', 67: 'keyboard', 68: 'cell phone', 69: 'microwave', 70: 'oven', 71: 'toaster', 72: 'sink', 73: 'refrigerator', 74: 'book', 75: 'clock', 76: 'vase', 77: 'scissors', 78: 'teddy bear', 79: 'hair drier', 80: 'toothbrush'}