Task Categories: other
Multilinguality: monolingual
Size Categories: unknown
Language Creators: found
Annotations Creators: machine-generated
Source Datasets: original
Licenses: cc-by-4.0
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Dataset Card for Urban100

Dataset Summary

The Urban100 dataset contains 100 images of urban scenes. It commonly used as a test set to evaluate the performance of super-resolution models. It was first published by Huang et al. (2015) in the paper "Single Image Super-Resolution From Transformed Self-Exemplars".

Install with pip:

pip install datasets super-image

Evaluate a model with the super-image library:

from datasets import load_dataset
from super_image import EdsrModel
from import EvalDataset, EvalMetrics

dataset = load_dataset('eugenesiow/Urban100', 'bicubic_x2', split='validation')
eval_dataset = EvalDataset(dataset)
model = EdsrModel.from_pretrained('eugenesiow/edsr-base', scale=2)
EvalMetrics().evaluate(model, eval_dataset)

Supported Tasks and Leaderboards

The dataset is commonly used for evaluation of the image-super-resolution task.

Unofficial super-image leaderboard for:


Not applicable.

Dataset Structure

Data Instances

An example of validation for bicubic_x2 looks as follows.

    "hr": "/.cache/huggingface/datasets/downloads/extracted/Urban100_HR/img_001.png",
    "lr": "/.cache/huggingface/datasets/downloads/extracted/Urban100_LR_x2/img_001.png"

Data Fields

The data fields are the same among all splits.

  • hr: a string to the path of the High Resolution (HR) .png image.
  • lr: a string to the path of the Low Resolution (LR) .png image.

Data Splits

name validation
bicubic_x2 100
bicubic_x3 100
bicubic_x4 100

Dataset Creation

Curation Rationale

The authors have created Urban100 containing 100 HR images with a variety of real-world structures.

Source Data

Initial Data Collection and Normalization

The authors constructed this dataset using images from Flickr (under CC license) using keywords such as urban, city, architecture, and structure.

Who are the source language producers?

[More Information Needed]


Annotation process

No annotations.

Who are the annotators?

No annotators.

Personal and Sensitive Information

[More Information Needed]

Considerations for Using the Data

Social Impact of Dataset

[More Information Needed]

Discussion of Biases

[More Information Needed]

Other Known Limitations

[More Information Needed]

Additional Information

Dataset Curators

Licensing Information

The dataset provided uses images from Flikr under the CC (CC-BY-4.0) license.

Citation Information

  author = {Huang, Jia-Bin and Singh, Abhishek and Ahuja, Narendra},
  title = {Single Image Super-Resolution From Transformed Self-Exemplars},
  booktitle = {Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition (CVPR)},
  month = {June},
  year = {2015}


Thanks to @eugenesiow for adding this dataset.

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