metadata

license: openrail
task_categories:
  - image-to-text

Dataset Description

中文版本

There are two datasets: raw_formulas and cleaned_formulas(This dataset has 550K formula-image pairs).

We scraped approximately 1 million LaTeX formula image-text pairs from arxiv that were uncleaned and without text segmentation to create the raw_formulas dataset. After cleaning the raw_formulas dataset and integrating it with the im2latex-100K dataset, we obtained the cleaned_formulas dataset, which has 550K formula-image pairs.

To render the images corresponding to the formulas, the following external packages are needed:

amsmath
amsfonts
amssymb
mathtools

Usage

for raw_formulas dataset:

from datasets import load_dataset
data = load_dataset("OleehyO/latex-formulas", "raw_formulas")

for cleaned_formulas dataset:

from datasets import load_dataset
data = load_dataset("OleehyO/latex-formulas", "cleaned_formulas")

Details About the raw_formulas Dataset

We scraped LaTeX formulas containing the following environments:

equation
align
align*
gather
gather*

The formulas do not include the following content:

\label
%
\quad
\qquad
\vspace
\hspace
\resizebox
\scalebox
\rotatebox
\parbox
\fbox
\makebox
\raisebox
\addvspace
\hfill
\vfill
\textwidth
\textheight
\rule

Preprocessing Details of the cleaned_formulas Dataset

Cleaning

We removed some useless junk data from both raw_formulas and im2latex-100K.
We deleted overly complex formulas from both raw_formulas and im2latex-100K:
- Formulas were deleted if the aspect ratio of the corresponding rendered image was greater than 0.8.
- Formulas with a character length greater than 200 were deleted.
In the formulas from both raw_formulas and im2latex-100K, the following content was removed:
- \tag
- \text
- \begin{split}
- \end{split}
- \nonumber
- \notag
The equation, equation*, align, \[...\] environments in raw_formulas were all replaced with the align* environment.
We deleted formulas from raw_formulas that contained custom macros.