import detectron2.data.transforms as T from detectron2 import model_zoo from detectron2.config import LazyCall as L from .coco_loader import dataloader # Data using LSJ image_size = 1024 dataloader.train.mapper.augmentations = [ L(T.RandomFlip)(horizontal=True), # flip first L(T.ResizeScale)( min_scale=0.1, max_scale=2.0, target_height=image_size, target_width=image_size ), L(T.FixedSizeCrop)(crop_size=(image_size, image_size)), ] dataloader.train.mapper.image_format = "RGB" dataloader.train.total_batch_size = 64 # recompute boxes due to cropping dataloader.train.mapper.recompute_boxes = True