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- ---
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- license: openrail
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- task_categories:
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- - image-to-text
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- ---
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- # Dataset Description
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- There are two datasets here: *raw_formulas* and *tokenized_formulas*.
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-
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- We crawled approximately 1 million uncleaned and untokenized latex formula image-text pairs from *arxiv*, resulting in the *raw_formulas* dataset. After cleaning and tokenizing the *raw_formulas* dataset, we obtained the *tokenized_formulas* dataset.
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-
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- When rendering images corresponding to the formulas, the following external packages are required:
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-
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- * amsmath
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- * amsfonts
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- * amssymb
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- * mathtools
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-
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- ## Details about the *raw_formulas* dataset
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- We crawled latex formulas containing the following formula environments:
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- * equation
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- * align
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- * align*
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- * gather
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- * gather*
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-
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- The formulas do not contain the following content:
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- * \label
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- * %
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- * \quad
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- * \qquad
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- * \vspace
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- * \hspace
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- * \resizebox
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- * \scalebox
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- * \rotatebox
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- * \parbox
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- * \fbox
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- * \makebox
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- * \raisebox
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- * \addvspace
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- * \hfill
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- * \vfill
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- * \textwidth
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- * \textheight
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- * \rule
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-
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- ## Preprocessing details of the *tokenized_formulas* dataset
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- ### Cleaning
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- * We removed some useless junk data from *raw_formulas*.
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- * We removed overly complex formulas from *raw_formulas*:
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- * Formulas with a render image aspect ratio greater than 0.8 were deleted.
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- * Formulas with a character length greater than 200 were deleted.
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- * The following content in *raw_formulas* formulas was removed:
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- * \tag,
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- * \text
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- * \begin{split}
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- * \end{split}
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- * \nonumber
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- * \notag
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- * In *raw_formulas*, the `equation, equation*, align, \[...\]` formula environments were replaced with the `align*` formula environment, and the `gather` formula environment was replaced with the `gather*` environment.
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- * We removed formulas containing custom macros from *raw_formulas*, only the following common custom macros were retained:
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- * \newcommand{\R}{\mathbb{R}}
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- * \newcommand{\N}{\mathbb{N}}
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- * \newcommand{\Z}{\mathbb{Z}}
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- * \newcommand{\Q}{\mathbb{Q}}
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- * \newcommand{\C}{\mathbb{C}}
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- * \newcommand{\avg}[1]{\left<#1\right>}
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- * \newcommand{\Deriv}[2]{\frac{\mathrm{d} #1}{\mathrm{d} #2}}
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- * \newcommand{\dd}{\mathrm{d}}
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- * \newcommand{\norm}[1]{\left\lVert#1\right\rVert}
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- * \newcommand{\abs}[1]{\left|#1\right|}
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- * \newcommand{\vect}[1]{\mathbf{#1}}
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-
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- ### Tokenization
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- Substrings that match the following pattern are considered a word:
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- * \begin{.*?}
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- * \end{.*?}
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- * \\[A-Za-z]+
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-
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- The following strings are also considered a word:
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- * \\[
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- * \\]
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- * \\{
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- * \\}
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- * \\_
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- * \\$
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- * \\&
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- * \\\#
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- * \\%
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- * \\|
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- * '
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- * ''
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- * '''
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- * ''''
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- * '^
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- * ''^
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- * '''^
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- * ''''^
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
README_zh.md ADDED
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+ ---
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+ license: openrail
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+ task_categories:
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+ - image-to-text
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+ ---
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+
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+ # Dataset Description
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+
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+ 这里有两个数据集:**raw_formulas**和**cleaned_formulas**(这个数据集有*550K*个公式-图片对)。
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+
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+ 我们在*arxiv*上爬取了约100万条未经过清洗以及文本分词的latex公式的图片文本对从而得到了*raw_formulas*数据集。
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+ 在将*raw_formulas*数据集进行**清洗**并加入[im2latex-100K](https://zenodo.org/records/56198#.V2px0jXT6eA)数据集后得到了*cleaned_formulas*数据集(一个具有*550K*公式-图片对的数据集)。
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+
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+ 渲染公式对应的图片时,需要用到以下外部包:
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+ * amsmath
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+ * amsfonts
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+ * amssymb
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+ * mathtools
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+
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+ ## 用法
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+ 加载 **raw_formulas** 数据集:
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+
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+ ```python
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+ from datasets import load_dataset
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+ data = load_dataset("OleehyO/latex-formulas", "raw_formulas")
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+ ```
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+
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+ 加载 **cleaned_formulas** 数据集:
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+ ```python
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+ from datasets import load_dataset
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+ data = load_dataset("OleehyO/latex-formulas", "cleaned_formulas")
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+ ```
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+
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+ ## 有关*raw_formulas*数据集的一些细节
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+ 我们爬取了包含以下公式环境的latex公式:
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+ * equation
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+ * align
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+ * align*
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+ * gather
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+ * gather*
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+
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+ 公式中不存在以下内容:
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+ * \label
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+ * %
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+ * \quad
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+ * \qquad
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+ * \vspace
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+ * \hspace
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+ * \resizebox
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+ * \scalebox
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+ * \rotatebox
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+ * \parbox
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+ * \fbox
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+ * \makebox
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+ * \raisebox
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+ * \addvspace
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+ * \hfill
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+ * \vfill
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+ * \textwidth
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+ * \textheight
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+ * \rule
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+
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+ ## *cleaned_formulas*数据集的一些预处理细节
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+ ### 清洗
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+ * 我们删除了*raw_formulas*和[im2latex-100K](https://zenodo.org/records/56198#.V2px0jXT6eA)中一些无用的垃圾数据
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+ * 我们删除了*raw_formulas*和[im2latex-100K](https://zenodo.org/records/56198#.V2px0jXT6eA)中过于复杂的公式:
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+ * 公式对应的渲染图片高宽比如果大于0.8,那么公式会被删除
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+ * 字符长度大于200的公式被删除了
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+ * 在*raw_formulas*和[im2latex-100K](https://zenodo.org/records/56198#.V2px0jXT6eA)的公式中,以下内容被删除了:
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+ * \tag
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+ * \text
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+ * \begin{split}
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+ * \end{split}
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+ * \nonumber
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+ * \notag
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+ * *raw_formulas*和中的`equation、equation*、align、\[...\]`公式环境均被替换成了`align*`公式环境
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+ * 我们删除了*raw_formulas*中包含自定义宏的公式。