Right now writing detailed YOLO v3 tutorials for TensorFlow 2.x

Detection and custom training process works better and is more accurate:
https://github.com/pythonlessons/TensorFlow-2.x-YOLOv3

YOLOv3-object-detection-tutorial

More information:
https://pylessons.com/YOLOv3-custom-data/
and
https://pylessons.com/YOLOv3-custom-training/

How to use YOLO v3 with webcam:
https://pylessons.com/YOLOv3-WebCam/

In future will update readme file

Requirements:
TensorFlow 1.15
Keras 2.2.4
Numpy (all versions should work)
opencv-python (all versions should work)