Datasets:
Size Categories:
1K<n<10K
Tags:
image-quality
import os | |
import pandas as pd | |
import datasets | |
_CITATION = """\ | |
@article{ponomarenko_tid2008_2009, | |
author = {Ponomarenko, Nikolay and Lukin, Vladimir and Zelensky, Alexander and Egiazarian, Karen and Astola, Jaakko and Carli, Marco and Battisti, Federica}, | |
title = {{TID2008} -- {A} {Database} for {Evaluation} of {Full}- {Reference} {Visual} {Quality} {Assessment} {Metrics}}, | |
year = {2009} | |
} | |
""" | |
_DESCRIPTION = """\ | |
Image Quality Assessment Dataset consisting of 25 reference images, 17 different distortions and 4 intensities per distortion. | |
In total there are 1700 (reference, distortion, MOS) tuples. | |
""" | |
_HOMEPAGE = "https://www.ponomarenko.info/tid2008.htm" | |
# _LICENSE = "" | |
class TID2008(datasets.GeneratorBasedBuilder): | |
"""TID2008 Image Quality Dataset""" | |
VERSION = datasets.Version("1.0.0") | |
def _info(self): | |
# TODO: This method specifies the datasets.DatasetInfo object which contains informations and typings for the dataset | |
features = datasets.Features( | |
{ | |
"reference": datasets.Image(), | |
"distorted": datasets.Image(), | |
"mos": datasets.Value("float") | |
} | |
) | |
return datasets.DatasetInfo( | |
description=_DESCRIPTION, | |
features=features, | |
# supervised_keys=("reference", "distorted", "mos"), | |
homepage=_HOMEPAGE, | |
# license=_LICENSE, | |
citation=_CITATION, | |
) | |
def _split_generators(self, dl_manager): | |
data_path = dl_manager.download("image_pairs_mos.csv") | |
data = pd.read_csv(data_path, index_col=0) | |
reference_paths = data["Reference"].apply(lambda x: os.path.join("reference_images", x)).to_list() | |
distorted_paths = data["Distorted"].apply(lambda x: os.path.join("distorted_images", x)).to_list() | |
reference_paths = dl_manager.download(reference_paths) | |
distorted_paths = dl_manager.download(distorted_paths) | |
return [ | |
datasets.SplitGenerator( | |
name=datasets.Split.TRAIN, | |
gen_kwargs={ | |
"reference": reference_paths, | |
"distorted": distorted_paths, | |
"mos": data["MOS"], | |
"split": "train", | |
}, | |
) | |
] | |
# method parameters are unpacked from `gen_kwargs` as given in `_split_generators` | |
def _generate_examples(self, reference, distorted, mos, split): | |
for key, (ref, dist, m) in enumerate(zip(reference, distorted, mos)): | |
yield key, { | |
"reference": ref, | |
"distorted": dist, | |
"mos": m, | |
} |