ritvikpandey21

Joined 2 years ago

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182
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56
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Comment · 6 months ago
We've been building table extraction at Pulse and evaluated four benchmarks: OmniDocBench, SCORE-Bench, ParseBench, and RD-TableBench. None of them fully reflect the enterprise document workflows we've encountered in production.

TEDS (OmniDocBench) penalizes HTML formatting differences that don't affect the actual table, so the same 3x3 grid scores differently depending on whether headers use <thead> vs <tr>, and the benchmark only covers English and Chinese plus a small mixed category.

SCORE-Bench's spatial tolerance parameter can mask real failures, because if you drop a header row and shift all data up by one with delta=1, the benchmark reports high accuracy even though the column labels are gone.

ParseBench generates its ground truth with frontier VLMs (Claude Opus for tables), which introduces hallucination risk, and its TableRecordMatch metric treats tables as unordered bags of key-value records, so it doesn't penalize column transposition or row reordering. The table set is also 503 pages, English-only, with over half from a single source.

RD-TableBench linearizes tables into 1D sequences, losing horizontal vs vertical adjacency. The RD-TableBench ground truth audit is what concerned us most. We went through all 1,000 ground truth files against the source images, and the errors consisted of scrambled text and wrong structure, garbled OCR on CJK and Arabic, and buffer artifacts where random digit sequences got appended to real numeric values. Dozens of ground truth files are byte-for-byte identical to one provider's output, and in a subset of the error cases the ground truth and that provider share the exact same specific error (same wrong word order in headers, same watermark text pulled into cells, same garbled CJK characters) while independent providers don't produce those errors.

This also motivated us to build PulseBench-Tab, a benchmark of 1,820 human-annotated tables across 9 languages and 4 scripts, with graph-based evaluation via T-LAG that operates on the parsed grid rather than the DOM tree, and fully open ground truth, scoring code, and provider outputs. Arabic and Korean both show 75+ point spreads across providers, and everything is available on HuggingFace and GitHub.

Comment · 10 months ago
Comment · 10 months ago
thanks! we benchmark against all the major players (azure doc intelligence, aws textract, google doc ai, frontier llms, etc). we have some public news coming out soon on this front, but we have a very rigorous dataset using both public and synthetic data focusing on the hardest problems in the space (handwriting, tables, etc).
Comment · 10 months ago
yeah models are definitely improving, but we've found even the latest ones still hallucinate and infer text rather than doing pure transcription. we carry out very rigorous benchmarks against all of the frontier models. we think the differentiation is in accuracy on truly messy docs (nested tables, degraded scans, handwriting) and being able to deploy on-prem/vpc for regulated industries.
Comment · 10 months ago
yeah models are definitely improving, but we've found even the latest ones still hallucinate and infer text rather than doing pure transcription. we carry out very rigorous benchmarks against all of the frontier models. we think the differentiation is in accuracy on truly messy docs (nested tables, degraded scans, handwriting) and being able to deploy on-prem/vpc for regulated industries.
Comment · 10 months ago
thanks for the flag! have pointed this out will be pushing an update here shortly
Comment · 10 months ago
Comment · 10 months ago
thanks! appreciate the kind words
Comment · 10 months ago
our team has tested docling pretty extensively, works well for simpler text-heavy docs without complex layouts, but the moment you introduce tables or multi-column stuff it doesn't maintain layout well.
Comment · 10 months ago
we're more focused on the core extraction layer itself rather than workflow tooling. we train our own vision models for layout detection, ocr, and table parsing from scratch. the key thing for us is determinism and auditability, so outputs are reproducible run over run, which matters a lot for regulated enterprises.
Comment · 1 year ago
DeepSeek AI just released DeepSeek-OCR, a new open-source model that aims to rethink text extraction through what it calls Context Optical Compression. The launch quickly caught attention on X and GitHub, with many celebrating another big step in open document AI.

At Pulse, we were curious how it performs on the kinds of messy, high-density documents that power real business workflows. So we ran DeepSeek-OCR through our standard evaluation suite: multi-page PDFs, handwritten forms, nested tables, and scanned statements. The results were promising in theory but inconsistent in practice.

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