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z _ { 1 } = r _ { 1 } ( \cos \theta _ { 1 } + i \sin \theta _ { 1 } ) |
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\log z = \log r + i ( \theta + 2 n \pi ) |
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( 6 9 + 1 7 7 \times 1 3 6 ) + ( 1 1 7 \div 1 4 0 ) > 5 6 1 2 |
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x ^ { 2 } \frac { d ^ { 2 } y } { d x ^ { 2 } } - 3 x \frac { d y } { d x } + y = \frac { \log x \cdot \sin { \log x } + 1 } { x } |
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p ^ { 3 } - ( x ^ { 2 } + x y + y ^ { 2 } ) p ^ { 2 } + ( x ^ { 3 } y + x ^ { 2 } y ^ { 2 } + x y ^ { 3 } ) p - x ^ { 3 } y ^ { 3 } = 0 |
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y = x p + \sqrt { b ^ { 2 } + a ^ { 2 } p ^ { 2 } } |
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( ( 2 4 - 4 4 ) \times 6 1 ) - ( 6 4 \div ( 1 9 6 + 1 6 2 ) ) > - 9 9 2 |
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\phi ( x ) |
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\log _ { c } ( a - b ) = \log _ { c } ( c ^ { ( \log _ { c } a - \log _ { c } b ) } - 1 ) + \log _ { c } b |
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1 5 1 \pm 1 4 3 \div 9 7 |
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2 1 - 5 \sqrt { 2 1 } + ( 1 5 \sqrt { 7 } - 2 1 \sqrt { 3 } ) i |
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7 8 \pm 5 \times 4 7 |
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\cos ( a + b ) = \cos a \cos b - \sin a \sin b |
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e ^ { - 1 } |
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1 - 1 + 1 - 1 + \ldots |
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2 ^ { n } - 1 |
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1 \pm 2 0 - 1 7 3 |
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\frac { 2 } { 3 } n ^ { 3 } |
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a ^ { 2 } - 2 a b |
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\cos x + i \sin x = e ^ { i x } |
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y = y _ { 0 } + t ^ { m } Y |
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b _ { n } - a _ { n } |
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1 7 5 \times ( 1 6 2 \times 1 0 3 ) \leq 2 9 2 0 0 5 0 |
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a ^ { 2 } - 2 a b = ( a - b ) ^ { 2 } - b ^ { 2 } |
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\gamma _ { j k } |
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1 1 3 + ( 1 6 8 \div 8 6 ) \leq 1 1 5 |
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b = a ^ { 2 } + c ^ { 2 } |
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n ^ { 2 } - n + 4 1 |
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n ^ { \log _ { 2 } ( 3 ) } |
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4 2 - 8 5 - 1 8 \geq - 2 5 |
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Y = g ( X ) = \frac { 1 } { X } |
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7 6 \pm ( ( 4 1 + 1 1 8 ) \times 1 2 4 ) \times 1 3 0 |
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a x ^ { 2 } + 2 b x + c = 0 |
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\gamma = 1 + \frac { 1 } { n } |
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9 4 + 7 4 + 6 + 1 3 8 > 2 1 |
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x ^ { 3 } + 3 x ^ { 2 } \sqrt { 3 } - 3 x - \sqrt { 3 } |
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( 2 9 - 2 4 + 1 6 9 ) \times 8 8 \leq - 1 4 4 3 1 |
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y _ { 1 } ( x ) = x ^ { 2 } |
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8 9 \times ( ( 1 5 5 \times 5 0 ) \div 1 3 2 ) \neq - 1 3 7 2 |
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\sin ( n x ) |
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1 2 + 1 3 8 + 1 4 4 + 7 3 > 4 5 |
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\sin ^ { 2 } ( x ) |
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( ( 8 4 / 1 1 3 ) / 5 1 ) - 1 1 9 = - 1 1 8 . 9 9 |
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\forall x , f ( x ) |
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a _ { 2 } = - 1 |
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2 4 / 1 2 5 = 0 . 1 9 |
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n _ { 1 } + \ldots + n _ { j } |
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4 \div 1 8 2 = 0 . 0 2 |
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4 , 2 , 1 |
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( - a ) ^ { n } = a ^ { n } |
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y = \frac { 1 } { Y } |
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( ( 1 1 6 - 1 7 ) \times ( 1 2 4 - 9 8 ) ) \div 1 0 > 2 0 5 |
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x ^ { - 4 } |
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\frac 1 { n ^ { k + 2 } } |
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\cos ( 4 a ) = 8 \cos ^ { 4 } ( a ) - 8 \cos ^ { 2 } ( a ) + 1 |
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( 1 8 + 2 2 ) \div 9 2 \neq 0 |
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y = x ^ { n } |
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\frac { y _ { 2 } x _ { 2 } - y _ { 1 } x _ { 1 } } { n } |
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3 = \sqrt { 6 + \sqrt { 6 + \sqrt { 6 + \sqrt { 6 + \ldots } } } } |
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\frac { n ( n + 1 ) } { 2 } + \frac { n ( n - 1 ) } { 2 } |
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1 4 \times 8 7 \neq - 1 9 6 |
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y \neq x |
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x ^ { 2 } + 2 x \sqrt { 2 } + 1 |
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1 4 8 - 1 4 1 \neq - 4 |
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\frac { 9 } { 5 } |
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k _ { n } = 1 |
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1 2 \div 7 5 \geq 0 |
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- \frac { 1 } { \pi } |
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( 2 - 1 ) |
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1 2 6 - 4 8 = 7 8 |
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( ( 2 6 \div 1 2 8 ) + 5 0 ) - ( 1 8 3 \div 2 9 ) \neq - 6 |
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1 0 ^ { 6 4 } |
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2 ^ { 1 7 } |
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( ( 1 2 6 \div 1 8 5 ) \times ( 5 9 + 1 3 9 ) ) - 5 9 > 0 |
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r = \sqrt { \theta } |
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n ^ { 3 } = n ^ { \log _ { 2 } 8 } |
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1 9 \times 7 \leq 1 3 3 |
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y = \frac { 1 } { x ^ { 2 } + 1 } |
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\sin ( x ) |
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2 6 \pm ( 1 0 9 + 1 1 9 - 8 2 ) \div ( ( 1 6 9 - 1 2 3 ) + ( 2 0 \div 1 7 5 ) ) |
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z ^ { 2 } - 2 z - 1 = 0 |
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1 8 6 \pm 6 + 9 8 + 1 7 6 + 9 2 |
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2 ^ { 1 8 } |
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f ( x ) = X ^ { 2 } - 4 X - 5 |
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m _ { 1 } , m _ { 2 } , m _ { 3 } |
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1 5 \div ( ( 7 6 \div 1 0 ) + ( 1 9 9 - 8 9 ) ) > 0 |
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\frac { 4 } { 3 } |
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b = \sqrt { 2 } |
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6 9 + ( ( 1 1 2 - 4 6 ) / 1 2 6 ) > 6 1 |
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x ^ { 5 } + x + a |
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( g ^ { - 1 } ) ^ { i j } |
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f + g |
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- 2 x |
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6 7 - 1 3 2 - 1 8 1 - 1 9 4 = - 5 2 |
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2 ^ { 5 0 } |
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( ( 1 1 7 \times 5 4 ) \div ( 1 4 1 \times 1 2 4 ) ) - ( ( 7 0 \div 1 9 3 ) \div 1 5 9 ) \geq 0 |
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2 { k } { \pi } |
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( 1 6 6 + ( 9 3 \times 6 7 ) ) - ( 6 4 + 1 2 7 + 1 7 6 ) \leq 6 0 3 0 |
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y ( 0 ) = \alpha _ { 1 } |
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2 ^ { 5 } + 2 + 1 |
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Dataset Card for BigSunOCR
Dataset Summary
BigSunOCR is a dataset designed for training and evaluating Optical Character Recognition (OCR) systems for mathematical formulas, including handwritten, printed, and complex expressions. Developed by WLHEX INC. for cost-efficient training and inference, the dataset supports applications in educational and research contexts requiring accurate LaTeX formula recognition.
The dataset accompanies a deep learning-based OCR system that builds on CRNN architectures with enhancements to support long LaTeX sequences. It includes:
- Handwritten and printed formula images
- Corresponding LaTeX labels
The full code, pretrained model, and usage instructions are available at: 👉 GitHub: https://github.com/Wrste/bigSunOCR
Citation
If you use this dataset or system in your research, please cite or reference the GitHub repository:
@misc{BigSunOCR,
author = {XingChengFu (bigSun), WLHEX INC.},
title = {BigSunOCR: Deep Learning-based Mathematical Formula OCR Recognition System},
year = 2024,
url = {https://github.com/Wrste/bigSunOCR}
}
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