From Pixels to Pairs: A Comprehensive Benchmark of LLM-Driven Key-Value Extraction in Noisy Document Settings

arXiv:2609.17538 · cs.CL, cs.CV · Submitted 2026-07-14 · Read on arXiv

cs.CL, cs.CV

Submitted: 2026-07-14

Updated: 2026-09-28

Comments: 25 pages, 20 tables, 5 figures

Code: https://github.com/JaidedAI/EasyOCR

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Benchmark — 28× in this paper · explained in 2 episodes
• Robustness — 15× in this paper · explained in 5 episodes
• Failure Modes — 11× in this paper · explained in 3 episodes
• Hallucination — 11× in this paper · explained in 3 episodes
• Alignment — 9× in this paper · explained in 1 episode
• Exact Match — 9× in this paper
• Transformer — 8× in this paper · explained in 2 episodes
• Accuracy — 5× in this paper · explained in 1 episode
• Fidelity — 5× in this paper · explained in 2 episodes
• Large Language Models (LLMs) — 4× in this paper · explained in 6 episodes
• Generalization — 3× in this paper · explained in 13 episodes
• Structural Reasoning — 3× in this paper · explained in 2 episodes
• Character Error Rate — 2× in this paper
• Fine-Tuning — 2× in this paper · explained in 5 episodes
• Instruction Tuning — 2× in this paper · explained in 2 episodes
• Word Error Rate — 2× in this paper
• Adaptation — 1× in this paper · explained in 1 episode
• Benchmarking — 1× in this paper · explained in 3 episodes
• Core — 1× in this paper · explained in 2 episodes
• Domain Shift — 1× in this paper · explained in 4 episodes
• Embeddings — 1× in this paper · explained in 2 episodes
• F1 Score — 1× in this paper · explained in 3 episodes
• Generative Modeling — 1× in this paper · explained in 3 episodes
• Hybrid System — 1× in this paper · explained in 2 episodes
• Regularization — 1× in this paper · explained in 3 episodes
• Semantic Alignment — 1× in this paper · explained in 3 episodes
• Tokenization — 1× in this paper · explained in 2 episodes

Sources

• The Llama 3 Herd of Models
• DeepSeek LLM: Scaling Open-Source Language Models with Longtermism
• PP-OCR: A Practical Ultra Lightweight OCR System
• LayoutLMv3: Pre-training for Document AI with Unified Text and Image Masking
• Mistral 7B
• StructuralLM: Structural Pre-training for Form Understanding
• LayoutLLM: Layout Instruction Tuning with Large Language Models for Document Understanding
• Quantum RNG Integration in an NG-PON2 Transceiver
• Qwen2.5 Technical Report
• DocVLM: Make Your VLM an Efficient Reader
• Achieving the Asymptotically Optimal Sample Complexity of Offline Reinforcement Learning: A DRO-Based Approach
• Unifying Vision, Text, and Layout for Universal Document Processing
• Gemma: Open Models Based on Gemini Research and Technology
• InstructUIE: Multi-task Instruction Tuning for Unified Information Extraction
• Emergent Abilities of Large Language Models

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