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 — see how frontier models rank on this benchmark.

📦 Public sample (no login required): Nalandadata/DrishtiTable-sample — 10 rows with embedded images.

🔬 Fine-tuned model: Nalandadata/DrishtiTable-Qwen2.5-VL-7B

🔗 GitHub: Nalandadata/DrishtiTable — evaluation code, methodology, and citation.

🌐 Benchmark page: nalandadata.ai/benchmarks/drishtitable — full leaderboard, figures, and methodology.

📝 Blog: DrishtiTable-8B Beats All Frontier Models

Live demo: DrishtiTable Demo — upload any table image, get HTML back.

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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)

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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

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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

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Access & Licensing

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

For commercial licensing, contact info@nalandadata.ai.

More details at nalandadata.ai.