| --- |
| license: odc-by |
| language: |
| - en |
| tags: |
| - ocr |
| - document-understanding |
| - benchmark |
| - pdf |
| - text-extraction |
| size_categories: |
| - 1K<n<10K |
| task_categories: |
| - image-to-text |
| pretty_name: olmOCR-Bench English |
| --- |
| |
| # olmOCR-bench (English Only) |
|
|
| This is a filtered version of the [allenai/olmOCR-bench](https://huggingface.co/datasets/allenai/olmOCR-bench) dataset containing only English documents. |
|
|
| ## Test Cases: Before vs After |
|
|
| | Category | Before | After | Removed | % Retained | |
| |----------|--------|-------|---------|------------| |
| | arxiv_math | 2927 | 2917 | 10 | 99.7% | |
| | headers_footers | 760 | 520 | 240 | 68.4% | |
| | long_tiny_text | 442 | 442 | 0 | 100.0% | |
| | multi_column | 884 | 691 | 193 | 78.2% | |
| | old_scans | 526 | 526 | 0 | 100.0% | |
| | old_scans_math | 458 | 458 | 0 | 100.0% | |
| | tables | 1022 | 929 | 93 | 90.9% | |
| | **TOTAL** | **7019** | **6483** | **536** | **92.4%** | |
|
|
| ## PDF Files: Before vs After |
|
|
| | Category | Before | After | Removed | % Retained | |
| |----------|--------|-------|---------|------------| |
| | arxiv_math | 522 | 521 | 1 | 99.8% | |
| | headers_footers | 266 | 190 | 76 | 71.4% | |
| | long_tiny_text | 62 | 62 | 0 | 100.0% | |
| | multi_column | 231 | 182 | 49 | 78.8% | |
| | old_scans | 98 | 98 | 0 | 100.0% | |
| | old_scans_math | 36 | 36 | 0 | 100.0% | |
| | tables | 188 | 169 | 19 | 89.9% | |
| | **TOTAL** | **1403** | **1258** | **145** | **89.7%** | |
|
|
| ## Summary |
|
|
| | Metric | Original | English-Only | Retained | |
| |--------|----------|--------------|----------| |
| | Test Cases | 7019 | 6483 | 92.4% | |
| | PDF Files | 1403 | 1258 | 89.7% | |
|
|
| ## Usage |
|
|
| This dataset follows the same structure as the original olmOCR-bench: |
|
|
| ``` |
| ├── README.md |
| ├── stats.json |
| └── bench_data/ |
| ├── *.jsonl (test cases for each category) |
| └── pdfs/<category>/*.pdf |
| ``` |
|
|
| ## Categories |
|
|
| - **arxiv_math**: Math formulas from arXiv papers |
| - **headers_footers**: Header/footer detection tests |
| - **long_tiny_text**: Long documents with tiny text |
| - **multi_column**: Multi-column layout documents |
| - **old_scans**: Historical scanned documents |
| - **old_scans_math**: Math from historical scans |
| - **tables**: Table extraction tests |
|
|
| ## License |
|
|
| This dataset inherits the ODC-BY-1.0 license from the original olmOCR-bench dataset. |
|
|
| ## Original Dataset |
|
|
| Based on [allenai/olmOCR-bench](https://huggingface.co/datasets/allenai/olmOCR-bench). |
|
|
