Coco Manager

Reads the annotations from a JSON file (i.e. "instances_train2017.json")
Reads the images either from the disk (i.e. from "COCO/train2017/" folder), or by downloading them from coco_urls provided in annotations JSON file
Selects all of the Coco classes (81 classes total), or produces a subset to scale according to the project (i.e. if classes = ['person'], it will find all of the images with a person, and delete all other bounding boxes and masks from them)
Pads the images so their shapes are a multiple of some number (i.e. a multiple of 32 for a VGG-FCN architecture)
Shows the image alongside the semantic masks of the objects
Fits easily into a pytorch DataLoader (see Usage_Coco_Manager.ipynb)

Files

Coco_Manager.ipynb: for being imported in a project

Usage_Coco_Manager.ipynb: use case and functionality explanation