cvdatasets/scripts/display.py

#!/usr/bin/env python
if __name__ != '__main__': raise Exception("Do not import me!")
import sys
sys.path.insert(0, "..")

import logging
import numpy as np
import matplotlib.pyplot as plt

from argparse import ArgumentParser

from nabirds.annotations import AnnotationType
from utils import parser, plot_crops

def main(args):

	annotation_cls = AnnotationType.get(args.dataset).value

	logging.info("Loading \"{}\" annnotations from \"{}\"".format(args.dataset, args.data))
	annot = annotation_cls(args.data, args.parts, args.feature_model)

	kwargs = {}
	if annot.info is None:
		# features = args.features[0 if args.subset == "train" else 1]
		kwargs = dict(
			part_rescale_size=args.rescale_size,
			# features=features,
			uniform_parts=args.uniform_parts,
			ratio=args.ratio,
		)

	data = annot.new_dataset(
		args.subset,

		crop_to_bb=args.crop_to_bb,
		crop_uniform=args.crop_uniform,

		parts_in_bb=args.parts_in_bb,

		rnd_select=args.rnd,
		seed=args.seed,

		**kwargs
	)

	logging.info("Loaded {} {} images".format(len(data), args.subset))

	start = max(args.start, 0)
	n_images = min(args.n_images, len(data) - start)

	for i in range(start, max(start, start + n_images)):
		im, parts, label = data[i]

		fig1, axs = plt.subplots(2, 1, figsize=(16,9))

		axs[0].axis("off")
		axs[0].set_title("Visible Parts")
		axs[0].imshow(im)
		if not args.crop_to_bb:
			data.plot_bounding_box(i, axs[0])
		parts.plot(im=im, ax=axs[0], ratio=data.ratio)

		axs[1].axis("off")
		axs[1].set_title("{}selected parts".format("randomly " if args.rnd else ""))
		axs[1].imshow(parts.reveal(im, ratio=data.ratio))

		if data.uniform_parts:
			crop_names = None
		else:
			crop_names = list(data._annot.part_names.values())

		part_crops = parts.visible_crops(im, ratio=data.ratio)
		if args.rnd:
			parts.invert_selection()
			action_crops = parts.visible_crops(im, ratio=data.ratio)

		plot_crops(part_crops, "Selected parts", names=crop_names)

		if args.rnd:
			plot_crops(action_crops, "Actions", names=crop_names)

		plt.show()
		plt.close()

main(parser.parse_args())