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  ---
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  # Math-Strike Dataset
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  ## Dataset Description
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- **Math-Strike** is a novel dataset featuring real and synthetic strike-outs, component-level annotations, and aligned LaTeX, designed to support research on strike-out removal and handwritten mathematical formula recognition.
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- Handwritten STEM manuscripts often contain strike-outs, overwrites, and other markings that disrupt mathematical content structure and reduce OCR/VLM recognition accuracy. This dataset provides a rigorous benchmark for training and evaluating models on connected-component classification, geometry-aware inpainting, and downstream compilable LaTeX generation.
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  The collection originates from the 2024-2025 mid-term and final examinations of a university's Multivariate Calculus Elite class.
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  ### Dataset Subsets
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  The dataset is divided into two main subsets, easily accessible via Hugging Face's configuration system:
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-
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  - **`real` (Math-Strike-Real)**: Contains only real, authentic strike-outs collected directly from student exam papers.
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  - **`synth` (Math-Strike-Synth)**: Contains synthetic strike-outs generated using an augmentation taxonomy of 20 diverse strike-out styles (e.g., wavy, zigzag, multi-crossed, blackout) to address class imbalance and improve model robustness against complex occlusion patterns.
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  Additionally, the `original_img` folder is provided in the repository, containing the full page-level raw scans with minimal border cropping and all original marks.
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  ## Dataset Structure
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  ### Data Instances
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  When loading the dataset via the `datasets` library, each instance represents a single connected component extracted from the manuscript.
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- **Example instance:**
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- ```json
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- {
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- "id": 85235,
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- "page_img": "20250523024843071_page001.png",
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- "bbox": [5694, 6677, 91, 112],
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- "centroid": [5739.5, 6733.0],
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- "box_area": 4506,
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- "label": 0,
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- "comp_size": [112, 91],
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- "image": "<...>"
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- "file": "<...>"
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- }
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- ```
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  ### Data Fields
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- - **`id`** (int): Global component identifier.
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- - **`page_img`** (string): Source page filename.
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- - **`bbox`** (list): Bounding box coordinates in pixels.
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- - **`centroid`** (list): Geometric centre (x, y) of the component.
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- - **`box_area` / `pixel_area`** (int): Foreground-pixel count within the component.
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- - **`label`** (int): 0 = retained (valid mathematical symbol), 1 = removed (strike-out/noise).
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- - **`comp_size`** (list): Height and width of the bounding box.
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- - **`image`** (Image): The actual cropped PNG image of the component.
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- - **`file`** (string): The actual path of the image.
 
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  ## Usage
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  You can easily load the dataset using the Hugging Face `datasets` library. The images and metadata are already pre-aligned in Parquet format.
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  ```python
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  from datasets import load_dataset
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  ```
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  ## License
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  The Math-Strike dataset is distributed under the **CC-BY-NC 4.0** license for non-commercial research and educational use.
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  ## Citation
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  If you find this dataset useful for your research, please cite our paper:
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  ```
 
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  viewer: false
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  ---
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  # Math-Strike Dataset
 
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  ## Dataset Description
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+ **Math-Strike** is a novel dataset featuring real and synthetic strike-outs, component-level annotations, and aligned LaTeX, designed to support research on strike-out removal and handwritten mathematical formula recognition. Handwritten STEM manuscripts often contain strike-outs, overwrites, and other markings that disrupt mathematical content structure and reduce OCR/VLM recognition accuracy. This dataset provides a rigorous benchmark for training and evaluating models on connected-component classification, geometry-aware inpainting, and downstream compilable LaTeX generation.
 
 
 
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  The collection originates from the 2024-2025 mid-term and final examinations of a university's Multivariate Calculus Elite class.
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  ### Dataset Subsets
 
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  The dataset is divided into two main subsets, easily accessible via Hugging Face's configuration system:
 
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  - **`real` (Math-Strike-Real)**: Contains only real, authentic strike-outs collected directly from student exam papers.
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  - **`synth` (Math-Strike-Synth)**: Contains synthetic strike-outs generated using an augmentation taxonomy of 20 diverse strike-out styles (e.g., wavy, zigzag, multi-crossed, blackout) to address class imbalance and improve model robustness against complex occlusion patterns.
 
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  Additionally, the `original_img` folder is provided in the repository, containing the full page-level raw scans with minimal border cropping and all original marks.
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  ## Dataset Structure
 
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  ### Data Instances
 
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  When loading the dataset via the `datasets` library, each instance represents a single connected component extracted from the manuscript.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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  ### Data Fields
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+ | Field | Type | Description |
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+ | :--- | :--- | :--- |
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+ | `id` | int | Global component identifier. |
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+ | `page_img` | string | Source page filename. |
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+ | `bbox` | list | Bounding box coordinates in pixels. |
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+ | `centroid` | list | Geometric centre (x, y) of the component. |
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+ | `box_area` / `pixel_area` | int | Foreground-pixel count within the component. |
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+ | `label` | int | 0 = retained (valid mathematical symbol), 1 = removed (strike-out/noise). |
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+ | `comp_size` | list | Height and width of the bounding box. |
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+ | `image` | Image | The actual cropped PNG image of the component. |
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+ | `file` | string | The actual path of the image. |
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  ## Usage
 
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  You can easily load the dataset using the Hugging Face `datasets` library. The images and metadata are already pre-aligned in Parquet format.
 
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  ```python
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  from datasets import load_dataset
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  ```
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  ## License
 
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  The Math-Strike dataset is distributed under the **CC-BY-NC 4.0** license for non-commercial research and educational use.
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  ## Citation
 
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  If you find this dataset useful for your research, please cite our paper:
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  ```