dnn: add a coco labels file for yolov3

samples/data/dnn/object_detection_classes_coco.txt

@@ -9,7 +9,7 @@ truck
 boat
 traffic light
 fire hydrant
-
+street sign
 stop sign
 parking meter
 bench
@@ -23,11 +23,11 @@ elephant
 bear
 zebra
 giraffe
-
+hat
 backpack
 umbrella
-
-
+shoe
+eye glasses
 handbag
 tie
 suitcase
@@ -42,7 +42,7 @@ skateboard
 surfboard
 tennis racket
 bottle
-
+plate
 wine glass
 cup
 fork
@@ -63,12 +63,12 @@ chair
 couch
 potted plant
 bed
-
+mirror
 dining table
-
-
+window
+desk
 toilet
-
+door
 tv
 laptop
 mouse
@@ -80,7 +80,7 @@ oven
 toaster
 sink
 refrigerator
-
+blender
 book
 clock
 vase

samples/data/dnn/object_detection_classes_yolov3.txt

+person
+bicycle
+car
+motorcycle
+airplane
+bus
+train
+truck
+boat
+traffic light
+fire hydrant
+stop sign
+parking meter
+bench
+bird
+cat
+dog
+horse
+sheep
+cow
+elephant
+bear
+zebra
+giraffe
+backpack
+umbrella
+handbag
+tie
+suitcase
+frisbee
+skis
+snowboard
+sports ball
+kite
+baseball bat
+baseball glove
+skateboard
+surfboard
+tennis racket
+bottle
+wine glass
+cup
+fork
+knife
+spoon
+bowl
+banana
+apple
+sandwich
+orange
+broccoli
+carrot
+hot dog
+pizza
+donut
+cake
+chair
+couch
+potted plant
+bed
+dining table
+toilet
+tv
+laptop
+mouse
+remote
+keyboard
+cell phone
+microwave
+oven
+toaster
+sink
+refrigerator
+book
+clock
+vase
+scissors
+teddy bear
+hair drier
+toothbrush