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  • Open Access

    ARTICLE

    Zero-Shot Based Spatial AI Algorithm for Up-to-Date 3D Vision Map Generations in Highly Complex Indoor Environments

    Sehun Lee, Taehoon Kim, Junho Ahn*

    CMC-Computers, Materials & Continua, Vol.84, No.2, pp. 3623-3648, 2025, DOI:10.32604/cmc.2025.063985 - 03 July 2025

    Abstract This paper proposes a zero-shot based spatial recognition AI algorithm by fusing and developing multi-dimensional vision identification technology adapted to the situation in large indoor and underground spaces. With the expansion of large shopping malls and underground urban spaces (UUS), there is an increasing need for new technologies that can quickly identify complex indoor structures and changes such as relocation, remodeling, and construction for the safety and management of citizens through the provision of the up-to-date indoor 3D site maps. The proposed algorithm utilizes data collected by an unmanned robot to create a 3D site… More >

  • Open Access

    ARTICLE

    Vision-based Recognition Algorithm for Up-To-Date Indoor Digital Map Generations at Damaged Buildings

    Dahyeon Kim1, Chulsu Kim2, Junho Ahn1,*

    CMC-Computers, Materials & Continua, Vol.72, No.2, pp. 2765-2781, 2022, DOI:10.32604/cmc.2022.025116 - 29 March 2022

    Abstract When firefighters are engaged in search and rescue missions inside a building at a risk of collapse, they have difficulty in field command and rescue because they can only simply monitor the situation inside the building utilizing old building drawings or robots. To propose an efficient solution for fast search and rescue work of firefighters, this study investigates the generation of up-to-date digital maps for disaster sites by tracking the collapse situation, and identifying the information of obstacles which are risk factors, using an artificial intelligence algorithm based on low-cost robots. Our research separates the… More >

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