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inference_ahiq.py
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inference_ahiq.py
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import argparse
import glob
import os
from pyiqa import create_metric
from tqdm import tqdm
def main():
"""Inference demo for pyiqa.
"""
parser = argparse.ArgumentParser()
parser.add_argument('-i', '--input', type=str, default=None, help='input image/folder path.')
parser.add_argument('-r', '--ref', type=str, default=None, help='reference image/folder path if needed.')
args = parser.parse_args()
metric_name = 'AHIQ'.lower()
# set up IQA model
iqa_model = create_metric(metric_name, metric_mode='FR')
if os.path.isfile(args.input):
input_paths = [args.input]
if args.ref is not None:
ref_paths = [args.ref]
else:
input_paths = sorted(glob.glob(os.path.join(args.input, '*')))
if args.ref is not None:
ref_paths = sorted(glob.glob(os.path.join(args.ref, '*')))
total_avg = 0
n_iter = 100
for i in range(n_iter):
avg_score = 0
test_img_num = len(input_paths)
pbar = tqdm(total=test_img_num, unit='image')
for idx, img_path in enumerate(input_paths):
ref_img_path = ref_paths[idx]
score = iqa_model(img_path, ref_img_path).cpu().item()
avg_score += score
pbar.update(1)
pbar.close()
avg_score /= test_img_num
total_avg += avg_score
print(f'AHIQ[{i}]: {round(avg_score, 4)}')
print(f'Average AHIQ: {round(total_avg / n_iter, 4)}')
if __name__ == '__main__':
main()