Current version:
Uses yolov3-tiny for "person" identification
Custom training done on yolov3 to identify 4 classes including "delivery person" and "package"
Data annotation done in Roboflow by @Subhiksha and @Debika
yolov3-tiny download links:
darknet
https://github.com/smarthomefans/darknet-test/blob/master/yolov3-tiny.weights
https://github.com/pjreddie/darknet/blob/master/data/coco.names
Instructions for custom training: https://github.com/spmallick/learnopencv/tree/master/YOLOv3-Training-Snowman-Detector