Datasets:
Size:
10K - 100K
import pickle | |
from pathlib import Path | |
from typing import List | |
import datasets | |
logger = datasets.logging.get_logger(__name__) | |
_HOMEPAGE = "https://www.microsoft.com/en-us/download/details.aspx?id=54765" | |
_URL = "https://huggingface.co/datasets/nateraw/cats-and-dogs/resolve/main/" | |
_URLS = { | |
"train": _URL + "train.pt", | |
} | |
_DESCRIPTION = "A large set of images of cats and dogs. There are 1738 corrupted images that are dropped." | |
_CITATION = """\ | |
@Inproceedings (Conference){asirra-a-captcha-that-exploits-interest-aligned-manual-image-categorization, | |
author = {Elson, Jeremy and Douceur, John (JD) and Howell, Jon and Saul, Jared}, | |
title = {Asirra: A CAPTCHA that Exploits Interest-Aligned Manual Image Categorization}, | |
booktitle = {Proceedings of 14th ACM Conference on Computer and Communications Security (CCS)}, | |
year = {2007}, | |
month = {October}, | |
publisher = {Association for Computing Machinery, Inc.}, | |
url = {https://www.microsoft.com/en-us/research/publication/asirra-a-captcha-that-exploits-interest-aligned-manual-image-categorization/}, | |
edition = {Proceedings of 14th ACM Conference on Computer and Communications Security (CCS)}, | |
} | |
""" | |
class CatsAndDogs(datasets.GeneratorBasedBuilder): | |
def _info(self): | |
return datasets.DatasetInfo( | |
description=_DESCRIPTION, | |
features=datasets.Features( | |
{ | |
"img_bytes": datasets.Value("binary"), | |
"labels": datasets.features.ClassLabel(names=["cat", "dog"]), | |
} | |
), | |
supervised_keys=("img_bytes", "labels"), | |
homepage=_HOMEPAGE, | |
citation=_CITATION, | |
) | |
def _split_generators(self, dl_manager: datasets.DownloadManager) -> List[datasets.SplitGenerator]: | |
downloaded_files = dl_manager.download_and_extract(_URLS) | |
return [ | |
datasets.SplitGenerator(name=datasets.Split.TRAIN, gen_kwargs={"filepath": downloaded_files["train"]}), | |
] | |
def _generate_examples(self, filepath): | |
"""This function returns the examples in the raw (text) form.""" | |
logger.info("generating examples from = %s", filepath) | |
with Path(filepath).open("rb") as f: | |
examples = pickle.load(f) | |
for i, ex in enumerate(examples): | |
yield str(i), ex | |