Implement mosaic image augmentation with YOLO format

Use OpenCV to generate mosaic data augmentation image

Mosaic Data Augmentation in YOLOv4

Code for paper: "Road object detection: a comparative study of deep learning-based algorithms" https://link.springer.com/article/10.1007/s11042-022-12447-5

[ACCV2024] Official implementation of "A Recipe for CAC: Mosaic-based Generalized Loss for Improved Class-Agnostic Counting"

applies mosaic augmentation on YOLO format dataset