---
license: apache-2.0
task_categories:
  - image-to-text
language:
  - en
  - hi
tags:
  - table-structure-recognition
  - tsr
  - document-understanding
  - ocr
  - benchmark
  - leaderboard
  - indian-textbooks
size_categories:
  - 1K<n<10K
---

# DrishtiTable: A Benchmark for Table Structure Recognition in Indian Academic Textbooks

**1,421 table images with expert-verified HTML structure annotations from Indian academic textbooks (S. Chand Publications).**

> **🏆 Live Leaderboard:** [DrishtiTable Leaderboard](https://huggingface.co/spaces/Nalandadata/DrishtiTable-Leaderboard) — see how frontier models rank on this benchmark.
>
> **📦 Public sample (no login required):** [Nalandadata/DrishtiTable-sample](https://huggingface.co/datasets/Nalandadata/DrishtiTable-sample) — 10 rows with embedded images.
>
> **🔬 Fine-tuned model:** [Nalandadata/DrishtiTable-Qwen2.5-VL-7B](https://huggingface.co/Nalandadata/DrishtiTable-Qwen2.5-VL-7B)
>
> **🔗 GitHub:** [Nalandadata/DrishtiTable](https://github.com/Nalandadata/DrishtiTable) — evaluation code, methodology, and citation.
>
> **🌐 Benchmark page:** [nalandadata.ai/benchmarks/drishtitable](https://nalandadata.ai/benchmarks/drishtitable) — full leaderboard, figures, and methodology.
>
> **📝 Blog:** [DrishtiTable-8B Beats All Frontier Models](https://nalandadata.ai/blog/drishtitable-8b-beats-all-frontier-models)
>
> **Live demo:** [DrishtiTable Demo](https://huggingface.co/spaces/Nalandadata/nalanda-live-demos) — upload any table image, get HTML back.

---

## Benchmark Results

| Model | Method | TEDS | S-TEDS |
|---|---|---|---|
| Qwen2.5-VL-7B | Zero-shot | 58.8% | 74.0% |
| o4-mini (OpenAI) | Zero-shot | 61.4% | 70.0% |
| GPT-4.1 (OpenAI) | Zero-shot | 68.0% | 80.8% |
| GPT-4o (OpenAI) | Zero-shot | 71.1% | 84.3% |
| **DrishtiTable-Qwen2.5-VL-7B** | **Fine-tuned (SFT)** | **83.2%** | **89.7%** |

TEDS = Tree-Edit Distance Similarity · S-TEDS = Structure-only TEDS (ignores cell content)

---

## Dataset Summary

| Split | Rows |
|---|---|
| Train | 1,141 |
| Validation | 145 |
| Test | 135 |
| **Total** | **1,421** |

### Subject Domains

| Subject | Tables |
|---|---|
| Statistics / Business Statistics | 528 |
| Business & Finance / Accounting | 474 |
| Operations Research | 99 |
| Mathematics | 97 |
| Engineering (Steam Tables) | 52 |
| Other (Ethics, Philosophy, Physics…) | 171 |

### Table Types

| Type | Count | Description |
|---|---|---|
| Statistical | 684 | Data tables with numerical analysis |
| Financial | 459 | Accounting statements, ledgers, balance sheets |
| Lookup | 217 | Reference and conversion tables |
| Comparison | 49 | Side-by-side comparison tables |
| Other | 12 | Calculation, procedural, etc. |

### Complexity Flags

| Flag | Count |
|---|---|
| Has empty cells | 773 |
| Complex tables | 285 |
| Merged cells | 200 |
| No-line tables | 174 |
| Has colors | 164 |
| Multi-page tables | 64 |

---

## Data Format

Each row contains:

| Column | Type | Description |
|--------|------|-------------|
| `table_id` | string | Unique ID (book ISBN + page + table index) |
| `subject` | string | Subject domain |
| `sub_topic` | string | Sub-topic within the subject |
| `table_type` | string | Statistical / Financial / Lookup / Comparison |
| `image` | Image | Embedded table image (renders in Dataset Viewer) |
| `html` | string | Expert-verified HTML ground truth (`<table>...</table>`) |
| `is_complex` | bool | Whether the table has complex structure |
| `merged_cells` | bool | Whether the table has merged cells |
| `has_colors` | bool | Whether the table uses colored cells |
| `no_line_table` | bool | Whether the table has no visible border lines |

---

## Access & Licensing

This dataset is available under **Apache 2.0**. Access is gated — please request access above.

For commercial licensing, contact [info@nalandadata.ai](mailto:info@nalandadata.ai).

More details at [nalandadata.ai](https://nalandadata.ai).