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SyntheticPast: Generating Historically Accurate 360°Panoramic Visualizations through Iterative AI Refinement

Chakravarthy R

2025

Abstract

This paper presents SyntheticPast, a novel framework for generating historically accurate 360°panoramic visualizations of past events by integrating Large Language Models (LLMs) with image generation models. Traditional history education relies heavily on text-based resources, limiting students' ability to engage with and contextualize historical events. The proposed approach combines GPT-4o with Stable Diffusion through an iterative prompt refinement pipeline that incorporates primary source data and includes historical accuracy verification. A multi-stage generation process is introduced where GPT-4o both evaluates generated panoramas for historical accuracy and refines prompts to improve subsequent generations. This system was successfully implemented for reconstructing 1850s San Francisco during the California Gold Rush, using primary sources including travelogs and eyewitness accounts. The results demonstrate that AI-driven iterative refinement can produce historically grounded, immersive 360°visualizations suitable for educational applications. The system achieved an average historical accuracy score of 81.7% with 62.5% of generated panoramas meeting the 85% threshold. A Retrieval Augmented Generation (RAG) chatbot was also developed that provides contextual information about the visualizations, creating an interactive educational experience. This work establishes a practical framework for AI-augmented historical education and demonstrates the viability of generating…

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