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The Great Wall, a monument that represents China's thousands of years culture, is suffering from natural disasters and artificial damage nowadays, such as the Jiankou Great Wall, requiring urgent repairment. However, it is a great challenge to detect defects and reconstruct 3D model in the Great Wall repairment.
Prof. Xianfeng Huang and his team, from the State Key Laboratory of Information Engineering in Surveying and Mapping and Remote Sensing (abbreviated LIESMARS), Wuhan University, associating with the Intel Corporation and China Foundation For Cultural Heritage Conservation, put forward a solution combining UAV (Unmanned Aerial Vehicles) oblique photogrammetry, 3D model reconstruction and AI (Artificial Intelligence) technologies, to help repair the Great Wall.
Professor of LIESMARS , Wuhan University.
CEO of Wuhan Daspatial Technology Co., Ltd.
The Chief Assistant of the 973 Project "Digital Theory and Method of Cultural Heritage" --- the first major research project on digital protection of cultural heritage in China.
He is taking charge of the digital protection system and key standards (immovable cultural relics) of cultural relics. He has been engaged in scientific research in the field of computer science and geospatial and digital protection of cultural relics for many years.
3D Model Reconstruction using UAV
High-resolution aerial oblique images, captured by Intel's latest falcon 8+ UAV with stability and security, are used to reconstruct accurate 3D model. Thousands of high-resolution images of the Jian-Kou Great Wall are delivered back to workstation for analysis and process and the processed images are then used to reconstruct a 3D model. The high-fidelity 3D model of the Jian-Kou Great Wall, generated from modern high-tech and UAV oblique images, provides its repair-team with technical support.
Defects detection using AI
LIESMARS cooperated with Intel conducted a series of analysis and processes using deep learning network such as RNN, GAN, for the whole repair plan including defects recognition, crack detection and brick-wall production. Defects are detected by the AI to find wall cracks and lacks of bricks and tiles that needed to be repaired, making the Jian-Kou Great Wall repairment more accurate and efficient.
The Jian-Kou Great Wall, the most precipitous, is famous for the full bow button arrow and its W-shape. After years of polishing, its elegance is fading with the walls, beacon towers and stairs look like crumbling. The Great Wall is not only the first military project in ancient China, but also a cultural heritage of the world. Technology can repair cultural relics, but not civilization. It is just a beginning of cultural heritage protection to repair the Great Wall using AI by LIESMARS and Intel. More cultural heritages are suffering damage and need our joint efforts!