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test.py
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test.py
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import os
from options.test_options import TestOptions
from data import create_dataset
from models import create_model
import numpy as np
from util.util import tensor2im
from torch.utils.tensorboard import SummaryWriter
if __name__ == "__main__":
opt = TestOptions().parse() # get test options
# hard-code some parameters for test
opt.num_threads = 0 # test code only supports num_threads = 0
opt.batch_size = 1 # test code only supports batch_size = 1
opt.serial_batches = True # disable data shuffling; comment this line if results on randomly chosen images are needed.
opt.no_flip = (
True # no flip; comment this line if results on flipped images are needed.
)
dataset = create_dataset(
opt
) # create a dataset given opt.dataset_mode and other options
model = create_model(opt) # create a model given opt.model and other options
model.setup(opt) # regular setup: load and print networks; create schedulers
# create a website
web_dir = os.path.join(
opt.results_dir, opt.name, "{}_{}".format(opt.phase, opt.epoch)
) # define the website directory
if opt.load_iter > 0: # load_iter is 0 by default
web_dir = "{:s}_iter{:d}".format(web_dir, opt.load_iter)
summary_writer = SummaryWriter(web_dir)
print("creating web directory", web_dir)
if opt.eval:
model.eval()
for i, data in enumerate(dataset):
if i >= opt.num_test: # only apply our model to opt.num_test images.
break
model.set_input(data) # unpack data from data loader
model.test() # run inference
visuals = model.get_current_visuals() # get image results
show_imgs = []
for j, (label, image) in enumerate(visuals.items()):
image_numpy = tensor2im(image)
show_imgs.append(image_numpy)
if i % 5 == 0:
print("processing (%04d)-th image... " % (i))
label = "-".join(visuals.keys())
show_imgs = np.stack(show_imgs, axis=0)
summary_writer.add_images(
"test_img-%.3d: %s" % (i, label), show_imgs, i, dataformats="NHWC"
)
summary_writer.flush()