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Literature review demonstrates how projection mapping enhances emotional perception and engagement at heritage sites, highlighting sustainable pathways for digital preservation.
As globalisation accelerates, many historical and cultural heritage sites face serious threats, including environmental deterioration, physical damage, and cultural discontinuity. Emergency restoration and conservation alone are no longer sufficient to meet the requirements for protecting and transmitting cultural heritage in the age of the internet. Consequently, this article reviews research on protecting and transmitting cultural heritage against the backdrop of projection mapping, analysing, and proposing spatial augmented reality technologies suitable for audience experience. Through a literature review and case studies, this article focuses on the integration and transcendence of projection mapping, as well as audience behaviour and emotional perception within immersive media. Finally, projection mapping is a highly interdisciplinary technology, with its academic foundations rooted in computer graphics, computer vision and augmented reality. The immersive experiences offered by projection mapping offer greater scope for innovation in preserving and transmitting cultural heritage. In the future, we should continue exploring new methods and approaches for utilising projection mapping in this field, thereby achieving broader public engagement and disseminating cultural values.
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Lu et al. (2026) studied this question.
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