Evaluating VisualRAG: Quantifying Cross-Modal Performance in Enterprise Document Understanding
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Abstract (arXiv)
Current evaluation frameworks for multimodal generative AI struggle to establish trustworthiness, hindering enterprise adoption where reliability is paramount. We introduce a systematic, quantitative benchmarking framework to measure the trustworthiness of progressively integrating cross-modal inputs such as text, images, captions, and OCR within VisualRAG systems for enterprise document intelligence. Our approach establishes quantitative relationships between technical metrics and user-centric trust measures. Evaluation reveals that optimal modality weighting with weights of 30% text, 15% image, 25% caption, and 30% OCR improves performance by 57.3% over text-only baselines while maintaining computational efficiency. We provide comparative assessments of foundation models, demonstrating their differential impact on trustworthiness in caption generation and OCR extraction-a vital consideration for reliable enterprise AI. This work advances responsible AI deployment by providing a rigorous framework for quantifying and enhancing trustworthiness in multimodal RAG for critical enterprise applications.
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References · 18
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- 2021DocFormer: End-to-End Transformer for Document Understandingcited by 256
- 2021TextOCR: Towards large-scale end-to-end reasoning for arbitrary-shaped scene textcited by 171
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- 2020Document Visual Question Answering Challenge 2020cited by 20
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- 2026Benchmarking Complex Multimodal Document Processing Pipelines: A Unified Evaluation Framework for Enterprise AI
- 2025Building Trustworthy Multimodal AI: A Review of Fairness, Transparency, and Ethics in Vision-Language Tasks
- 2025Trust in Vision-Language Models: Insights from a Participatory User Workshop
- 2026ParseBench: A Document Parsing Benchmark for AI Agents
- 2026Evaluating the Evaluators: Diagnosing Large Multimodal Models for AI-Generated Image Assessment
- 2026Beyond Accuracy: Robustness, Cost, and Governance Trade-offs for Vision-Language Models in Templated Document Extraction
- 2025Mapping User Trust in Vision Language Models: Research Landscape, Challenges, and Prospects
- 2025Emerging Properties in Unified Multimodal Pretraining