Unified Pretraining Framework for Document Understanding
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Abstract (arXiv)
Document intelligence automates the extraction of information from documents and supports many business applications. Recent self-supervised learning methods on large-scale unlabeled document datasets have opened up promising directions towards reducing annotation efforts by training models with self-supervised objectives. However, most of the existing document pretraining methods are still language-dominated. We present UDoc, a new unified pretraining framework for document understanding. UDoc is designed to support most document understanding tasks, extending the Transformer to take multimodal embeddings as input. Each input element is composed of words and visual features from a semantic region of the input document image. An important feature of UDoc is that it learns a generic representation by making use of three self-supervised losses, encouraging the representation to model sentences, learn similarities, and align modalities. Extensive empirical analysis demonstrates that the pretraining procedure learns better joint representations and leads to improvements in downstream tasks.
Key facts. Cited by 85 papers in the map (data through 7 Oct 2026). Builds on 25 of its 34 references that are in the map. First posted on arXiv 22 Apr 2022.
Builds on
25 of 34 references.
References · 25
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- 2017SemEval-2017 Task 1: Semantic Textual Similarity - Multilingual and Cross-lingual Focused Evaluationcited by 998
- 2019VL-BERT: Pre-training of Generic Visual-Linguistic Representationscited by 954
- 2019LayoutLM: Pre-training of Text and Layout for Document Image Understandingcited by 549
- 2019Similarity-Preserving Knowledge Distillationcited by 507
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- 2020LayoutLMv2: Multi-modal Pre-training for Visually-Rich Document Understandingcited by 406
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Citing papers per year: 2022: 10; 2023: 33; 2024: 27; 2025: 10; 2026: 5.
85 papers.
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- 2024OmniDocBench: Benchmarking Diverse PDF Document Parsing with Comprehensive Annotationscited by 144
- 2022Unifying Vision, Text, and Layout for Universal Document Processingcited by 140
- 2023Document Understanding Dataset and Evaluation (DUDE)cited by 132
- 2024LayoutLLM: Layout Instruction Tuning with Large Language Models for Document Understandingcited by 94
- 2024OmniParser: A Unified Framework for Text Spotting, Key Information Extraction and Table Recognitioncited by 74
- 2023DocILE Benchmark for Document Information Localization and Extractioncited by 58
- 2023DocFormerv2: Local Features for Document Understandingcited by 46
- 2023Vision Grid Transformer for Document Layout Analysiscited by 45
- 2023GeoLayoutLM: Geometric Pre-training for Visual Information Extractioncited by 40
- 2023StrucTexTv2: Masked Visual-Textual Prediction for Document Image Pre-trainingcited by 39
- 2025SimpleDoc: Multi-Modal Document Understanding with Dual-Cue Page Retrieval and Iterative Refinementcited by 27
- 2024LayoutLLM: Large Language Model Instruction Tuning for Visually Rich Document Understandingcited by 24
38 more
- 2025OmniParser V2: Structured-Points-of-Thought for Unified Visual Text Parsing and Its Generality to Multimodal Large Language Modelscited by 22
- 2024Deep Learning based Visually Rich Document Content Understanding: A Surveycited by 21
- 2022Wukong-Reader: Multi-modal Pre-training for Fine-grained Visual Document Understandingcited by 20
- 2023Modeling Entities as Semantic Points for Visual Information Extraction in the Wildcited by 20
- 2023FormNetV2: Multimodal Graph Contrastive Learning for Form Document Information Extractioncited by 20
- 2022Doc-GCN: Heterogeneous Graph Convolutional Networks for Document Layout Analysiscited by 17
- 2022Evaluating Out-of-Distribution Performance on Document Image Classifierscited by 16
- 2024Detect-Order-Construct: A Tree Construction based Approach for Hierarchical Document Structure Analysiscited by 14
- 2024SciPostLayout: A Dataset for Layout Analysis and Layout Generation of Scientific Posterscited by 14
- 2023SwinDocSegmenter: An End-to-End Unified Domain Adaptive Transformer for Document Instance Segmentationcited by 13
- 2022XDoc: Unified Pre-training for Cross-Format Document Understandingcited by 12
- 2024Visually Guided Generative Text-Layout Pre-training for Document Intelligencecited by 12
- 2025Handwritten Text Recognition: A Surveycited by 12
- 2022Relational Representation Learning in Visually-Rich Documentscited by 11
- 2024DLAFormer: An End-to-End Transformer For Document Layout Analysiscited by 11
- 2023Beyond Document Page Classification: Design, Datasets, and Challengescited by 10
- 2022MGDoc: Pre-training with Multi-granular Hierarchy for Document Image Understandingcited by 9
- 2025Scaling Beyond Context: A Survey of Multimodal Retrieval-Augmented Generation for Document Understandingcited by 9
- 2023A Graphical Approach to Document Layout Analysiscited by 8
- 2024Multi-Page Document Visual Question Answering using Self-Attention Scoring Mechanismcited by 8
- 2023SelfDocSeg: A Self-Supervised vision-based Approach towards Document Segmentationcited by 7
- 2023DocumentCLIP: Linking Figures and Main Body Text in Reflowed Documentscited by 7
- 2023Bridging the Performance Gap between DETR and R-CNN for Graphical Object Detection in Document Imagescited by 7
- 2023RealCQA: Scientific Chart Question Answering as a Test-bed for First-Order Logiccited by 7
- 2024PDF-MVQA: A Dataset for Multimodal Information Retrieval in PDF-based Visual Question Answeringcited by 7
- 2022Test-Time Adaptation for Visual Document Understandingcited by 6
- 2023Fast-StrucTexT: An Efficient Hourglass Transformer with Modality-guided Dynamic Token Merge for Document Understandingcited by 6
- 2023Do-GOOD: Towards Distribution Shift Evaluation for Pre-Trained Visual Document Understanding Modelscited by 6
- 2023DSG: An End-to-End Document Structure Generatorcited by 6
- 2024Transformers and Language Models in Form Understanding: A Comprehensive Review of Scanned Document Analysiscited by 6
- 2024A Hybrid Approach for Document Layout Analysis in Document imagescited by 6
- 2024Deep Learning based Key Information Extraction from Business Documents: Systematic Literature Reviewcited by 6
- 2023Text Reading Order in Uncontrolled Conditions by Sparse Graph Segmentationcited by 5
- 2023On Evaluation of Document Classification using RVL-CDIPcited by 5
- 2024ProcTag: Process Tagging for Assessing the Efficacy of Document Instruction Datacited by 5
- 2023DocumentNet: Bridging the Data Gap in Document Pre-Trainingcited by 4
- 2023FATURA: A Multi-Layout Invoice Image Dataset for Document Analysis and Understandingcited by 4
- 2024SynJAC: Synthetic-data-driven Joint-granular Adaptation and Calibration for Domain Specific Scanned Document Key Information Extractioncited by 4
50 most cited of 85 All 85 (JSON)
- 2026Amnesia by Design, Memory By Necessity: Persistent State for Document Intelligence25 Sep 2026
- 2026Visual Information Extraction from Documents via Classification-Guided Large Vision-Language Models22 Jul 2026
- 2026Invoice Haystack: Benchmarking Document Retrieval and Visual Question Answering Under Strong Visual Homogeneity24 Jun 2026
- 2026SEA-Vision: A Multilingual Benchmark for Comprehensive Document and Scene Text Understanding in Southeast Asia16 Mar 2026
- 2026PromptDLA: A Domain-aware Prompt Document Layout Analysis Framework with Descriptive Knowledge as a Cue10 Mar 2026
- 2025ColMate: Contrastive Late Interaction and Masked Text for Multimodal Document Retrieval2 Nov 2025
- 2025Scaling Beyond Context: A Survey of Multimodal Retrieval-Augmented Generation for Document Understanding17 Oct 2025
- 2025SynDoc: A Hybrid Discriminative-Generative Framework for Enhancing Synthetic Domain-Adaptive Document Key Information Extraction27 Sep 2025
- 2025DocPolarBERT: A Pre-trained Model for Document Understanding with Relative Polar Coordinate Encoding of Layout Structures11 Jul 2025
- 2025Spatial ModernBERT: Spatial-Aware Transformer for Table and Key-Value Extraction in Financial Documents at Scale9 Jul 2025
- 2025Class-Agnostic Region-of-Interest Matching in Document Images26 Jun 2025
- 2025SimpleDoc: Multi-Modal Document Understanding with Dual-Cue Page Retrieval and Iterative Refinement16 Jun 2025
38 more
- 2025Generative Compositor for Few-Shot Visual Information Extraction21 Mar 2025
- 2025OmniParser V2: Structured-Points-of-Thought for Unified Visual Text Parsing and Its Generality to Multimodal Large Language Models22 Feb 2025
- 2025Handwritten Text Recognition: A Survey12 Feb 2025
- 2024OmniDocBench: Benchmarking Diverse PDF Document Parsing with Comprehensive Annotations10 Dec 2024
- 2024ReLayout: Towards Real-World Document Understanding via Layout-enhanced Pre-training14 Oct 2024
- 2024DocKD: Knowledge Distillation from LLMs for Open-World Document Understanding Models4 Oct 2024
- 2024SynJAC: Synthetic-data-driven Joint-granular Adaptation and Calibration for Domain Specific Scanned Document Key Information Extraction2 Oct 2024
- 2024DocMamba: Efficient Document Pre-training with State Space Model18 Sep 2024
- 2024Deep Learning based Visually Rich Document Content Understanding: A Survey2 Aug 2024
- 2024SciPostLayout: A Dataset for Layout Analysis and Layout Generation of Scientific Posters29 Jul 2024
- 2024Deep Learning based Key Information Extraction from Business Documents: Systematic Literature Review23 Jul 2024
- 2024ProcTag: Process Tagging for Assessing the Efficacy of Document Instruction Data17 Jul 2024
- 2024DistilDoc: Knowledge Distillation for Visually-Rich Document Applications12 Jun 2024
- 2024UnSupDLA: Towards Unsupervised Document Layout Analysis10 Jun 2024
- 2024Multimodal Adaptive Inference for Document Image Classification with Anytime Early Exiting21 May 2024
- 2024DLAFormer: An End-to-End Transformer For Document Layout Analysis20 May 2024
- 2024GeoContrastNet: Contrastive Key-Value Edge Learning for Language-Agnostic Document Understanding6 May 2024
- 2024Multi-Page Document Visual Question Answering using Self-Attention Scoring Mechanism29 Apr 2024
- 2024A Hybrid Approach for Document Layout Analysis in Document images27 Apr 2024
- 2024PDF-MVQA: A Dataset for Multimodal Information Retrieval in PDF-based Visual Question Answering19 Apr 2024
- 2024LayoutLLM: Layout Instruction Tuning with Large Language Models for Document Understanding8 Apr 2024
- 2024Noise-Aware Training of Layout-Aware Language Models30 Mar 2024
- 2024DOCMASTER: A Unified Platform for Annotation, Training, & Inference in Document Question-Answering30 Mar 2024
- 2024OmniParser: A Unified Framework for Text Spotting, Key Information Extraction and Table Recognition28 Mar 2024
- 2024Visually Guided Generative Text-Layout Pre-training for Document Intelligence25 Mar 2024
- 2024LayoutLLM: Large Language Model Instruction Tuning for Visually Rich Document Understanding21 Mar 2024
- 2024Transformers and Language Models in Form Understanding: A Comprehensive Review of Scanned Document Analysis6 Mar 2024
- 2024TreeForm: End-to-end Annotation and Evaluation for Form Document Parsing7 Feb 2024
- 2024Detect-Order-Construct: A Tree Construction based Approach for Hierarchical Document Structure Analysis22 Jan 2024
- 2024PEneo: Unifying Line Extraction, Line Grouping, and Entity Linking for End-to-end Document Pair Extraction7 Jan 2024
- 2023FATURA: A Multi-Layout Invoice Image Dataset for Document Analysis and Understanding20 Nov 2023
- 2023On Task-personalized Multimodal Few-shot Learning for Visually-rich Document Entity Retrieval1 Nov 2023
- 2023Enhancing Document Information Analysis with Multi-Task Pre-training: A Robust Approach for Information Extraction in Visually-Rich Documents25 Oct 2023
- 2023Vision-Enhanced Semantic Entity Recognition in Document Images via Visually-Asymmetric Consistency Learning23 Oct 2023
- 2023DSG: An End-to-End Document Structure Generator13 Oct 2023
- 2023Document Understanding for Healthcare Referrals22 Sep 2023
- 2023SCOB: Universal Text Understanding via Character-wise Supervised Contrastive Learning with Online Text Rendering for Bridging Domain Gap21 Sep 2023
- 2023GlobalDoc: A Cross-Modal Vision-Language Framework for Real-World Document Image Retrieval and Classification11 Sep 2023
50 newest of 85 All 85 (JSON)
- 2024LayoutLLM: Layout Instruction Tuning with Large Language Models for Document Understandingcited by 94
- 2023DocumentCLIP: Linking Figures and Main Body Text in Reflowed Documentscited by 7
- 2024ProcTag: Process Tagging for Assessing the Efficacy of Document Instruction Datacited by 5
- 2023GlobalDoc: A Cross-Modal Vision-Language Framework for Real-World Document Image Retrieval and Classificationcited by 1
- 2026Invoice Haystack: Benchmarking Document Retrieval and Visual Question Answering Under Strong Visual Homogeneitycited by 0
- 2026Visual Information Extraction from Documents via Classification-Guided Large Vision-Language Modelscited by 0
- 2026Visual Information Extraction from Documents via Classification-Guided Large Vision-Language Models22 Jul 2026
- 2026Invoice Haystack: Benchmarking Document Retrieval and Visual Question Answering Under Strong Visual Homogeneity24 Jun 2026
- 2024ProcTag: Process Tagging for Assessing the Efficacy of Document Instruction Data17 Jul 2024
- 2024LayoutLLM: Layout Instruction Tuning with Large Language Models for Document Understanding8 Apr 2024
- 2023GlobalDoc: A Cross-Modal Vision-Language Framework for Real-World Document Image Retrieval and Classification11 Sep 2023
- 2023DocumentCLIP: Linking Figures and Main Body Text in Reflowed Documents9 Jun 2023
- 2024OmniDocBench: Benchmarking Diverse PDF Document Parsing with Comprehensive Annotationscited by 144
- 2025Scaling Beyond Context: A Survey of Multimodal Retrieval-Augmented Generation for Document Understandingcited by 9
- 2025ColMate: Contrastive Late Interaction and Masked Text for Multimodal Document Retrievalcited by 4
- 2025ColMate: Contrastive Late Interaction and Masked Text for Multimodal Document Retrieval2 Nov 2025
- 2025Scaling Beyond Context: A Survey of Multimodal Retrieval-Augmented Generation for Document Understanding17 Oct 2025
- 2024OmniDocBench: Benchmarking Diverse PDF Document Parsing with Comprehensive Annotations10 Dec 2024
- 2022Unifying Vision, Text, and Layout for Universal Document Processingcited by 140
- 2023Document Understanding Dataset and Evaluation (DUDE)cited by 132
- 2024OmniParser: A Unified Framework for Text Spotting, Key Information Extraction and Table Recognitioncited by 74
- 2023DocILE Benchmark for Document Information Localization and Extractioncited by 58
- 2023DocFormerv2: Local Features for Document Understandingcited by 46
- 2023Vision Grid Transformer for Document Layout Analysiscited by 45
- 2023GeoLayoutLM: Geometric Pre-training for Visual Information Extractioncited by 40
- 2023StrucTexTv2: Masked Visual-Textual Prediction for Document Image Pre-trainingcited by 39
- 2025SimpleDoc: Multi-Modal Document Understanding with Dual-Cue Page Retrieval and Iterative Refinementcited by 27
- 2024LayoutLLM: Large Language Model Instruction Tuning for Visually Rich Document Understandingcited by 24
- 2024Deep Learning based Visually Rich Document Content Understanding: A Surveycited by 21
- 2022Wukong-Reader: Multi-modal Pre-training for Fine-grained Visual Document Understandingcited by 20
12 most cited of 74 All 74 (JSON)
- 2026Amnesia by Design, Memory By Necessity: Persistent State for Document Intelligence25 Sep 2026
- 2026SEA-Vision: A Multilingual Benchmark for Comprehensive Document and Scene Text Understanding in Southeast Asia16 Mar 2026
- 2026PromptDLA: A Domain-aware Prompt Document Layout Analysis Framework with Descriptive Knowledge as a Cue10 Mar 2026
- 2025SynDoc: A Hybrid Discriminative-Generative Framework for Enhancing Synthetic Domain-Adaptive Document Key Information Extraction27 Sep 2025
- 2025DocPolarBERT: A Pre-trained Model for Document Understanding with Relative Polar Coordinate Encoding of Layout Structures11 Jul 2025
- 2025Spatial ModernBERT: Spatial-Aware Transformer for Table and Key-Value Extraction in Financial Documents at Scale9 Jul 2025
- 2025Class-Agnostic Region-of-Interest Matching in Document Images26 Jun 2025
- 2025SimpleDoc: Multi-Modal Document Understanding with Dual-Cue Page Retrieval and Iterative Refinement16 Jun 2025
- 2025Generative Compositor for Few-Shot Visual Information Extraction21 Mar 2025
- 2025Handwritten Text Recognition: A Survey12 Feb 2025
- 2024ReLayout: Towards Real-World Document Understanding via Layout-enhanced Pre-training14 Oct 2024
- 2024DocKD: Knowledge Distillation from LLMs for Open-World Document Understanding Models4 Oct 2024
12 newest of 74 All 74 (JSON)