labels_mapping = {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:'street sign',13:'stop sign',14:'parking meter',15:'bench',16:'bird',
 17:'cat',18:'dog',19:'horse',20:'sheep', 21:'cow',22:'elephant',23:'bear',
 24:'zebra',25:'giraffe',26:'hat',27:'backpack',28:'umbrella',29:'shoe',
 30:'eye glasses',31:'handbag',32:'tie',33:'suitcase',34:'frisbee',
 35:'skis',36:'snowboard',37:'sports ball',38:'kite',39:'baseball bat',
 40:'baseball glove',41:'skateboard',42:'surfboard',43:'tennis racket',
 44:'bottle',45:'plate',46:'wine glass',47:'cup',48:'fork',49:'knife',
 50:'spoon',51:'bowl',52:'banana',53:'apple',54:'sandwich',55:'orange',
 56:'broccoli',57:'carrot',58:'hot dog',59:'pizza',60:'donut',61:'cake',
 62:'chair',63:'couch',64:'potted plant',65:'bed',66:'mirror',
 67:'dining table',68:'window',69:'desk',70:'toilet',71:'door',
 72:'tv',73:'laptop',74:'mouse',75:'remote',76:'keyboard',77:'cell phone',
 78:'microwave',79:'oven',80:'toaster',81:'sink',82:'refrigerator',
 83:'blender',84:'book',85:'clock',86:'vase',87:'scissors',
 88:'teddy bear',89:'hair drier',90:'toothbrush',91:'hair brush'}