Core Viewpoint - The "Tanyuan Plan 2024" focuses on the digital preservation of the Longmen Grottoes, emphasizing technological innovation, cultural revitalization, and sustainable operation to enhance the digital protection of cultural heritage [1][10][26] Group 1: Project Overview - The Longmen Grottoes contain 2,345 caves and nearly 110,000 statues, recognized as the pinnacle of Chinese stone carving art by UNESCO [3] - The project addresses the technical challenges of digitizing shallow relief sculptures, which have surface engravings less than 0.1mm deep, requiring high precision and efficiency [3][4] - The "Tanyuan Plan 2024" collaborates with the Longmen Grottoes Research Institute and Wuhan University to develop high-precision digital collection methods for key caves [3][4] Group 2: Technological Innovations - The project introduces a "high-precision 3D reconstruction method based on photometric stereo" and a "topology-aware local-global fusion modeling strategy" to overcome non-contact modeling challenges [4] - The use of Tencent's mixed model for automatic information aggregation and intelligent understanding of the relief pattern database supports the creation and dissemination of cultural heritage [4][19] - The cost of high-precision equipment has significantly decreased, with photometric stereo modeling devices costing only a fraction of traditional laser scanning equipment [20] Group 3: Expert Contributions and Findings - Experts conducted field research on the preservation status and digitalization of shallow reliefs, focusing on the technical challenges of modeling and pattern extraction [6][7] - The research provided essential insights for selecting technologies and strategies for data collection and future collaborative practices [7][26] - The project showcased its digitalization achievements, including a high-precision 3D dataset and a decorative pattern database, which serve as innovative solutions for the protection of grotto heritage [18][25] Group 4: Future Directions - The "Tanyuan Plan 2024" aims to create a complete loop of "technology validation, content reconstruction, and collaborative dissemination" to enhance the digital protection capabilities of the Longmen Grottoes [26] - The success of this project lays a solid foundation for "Tanyuan Plan 2025," which will continue to expand the platform-driven approach to cultural heritage preservation [26]

Core Viewpoint - The article highlights the significant advancements in digital technology for the preservation and presentation of cultural heritage in Sichuan, particularly focusing on the digitalization of stone carvings and archaeological sites, enhancing public engagement and cultural appreciation [5][17]. Digital Preservation and Innovation - Sichuan's cultural authorities have implemented a digital innovation plan aimed at significantly improving the digital preservation of cultural relics by 2025, utilizing technologies such as 3D modeling and AI for restoration [5][7]. - The digitalization projects, including the online exhibition of Sichuan's stone carvings, allow audiences to explore cultural heritage from home, showcasing the depth and charm of these historical sites [5][16]. Technological Applications - Advanced technologies like 3D laser scanning and AI-driven restoration techniques have been employed to create detailed digital records of stone carvings, enabling precise restoration and preservation efforts [8][14]. - The use of immersive technologies such as VR and AR in museums enhances visitor experiences, allowing for interactive engagement with cultural artifacts [12][17]. Cultural Impact and Public Engagement - The digital initiatives aim to connect traditional culture with modern life, fostering a deeper understanding and appreciation of cultural heritage among the public [11][16]. - Events like the "Encounter Sanxingdui" exhibition have successfully brought ancient artifacts to international audiences, utilizing digital technology to enhance the presentation and accessibility of cultural treasures [18]. Future Prospects - The ongoing digitalization efforts are expected to not only preserve cultural heritage but also stimulate tourism and cultural industries in Sichuan, creating new opportunities for cultural exchange and education [17][18]. - The integration of digital technologies in cultural heritage management is seen as a pathway to ensure the longevity and relevance of historical artifacts in contemporary society [7][14].