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A detection method of urban underground geological anomalies in the United Kingdom based on feature fusion
Método de detección de anomalías geológicas subterráneas en el Reino Unido con base en la fusión de características
DOI:
https://doi.org/10.15446/esrj.v26n3.103605Keywords:
feature fusion, British city, underground space, geology, abnormal body, detection (en)fusión de características, Reino Unido, espacios urbanos subterráneos, geología, cuerpos anormales, detección (es)
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Engineering geological conditions include the nature of rock and soil, geological structure, landform, hydrogeological conditions, and adverse geological processes. Among them, faults, fissures, folds, karst, and lithology changes seriously affect the safety and construction cost of mountain tunnels, hydraulic tunnels, and other projects. For this reason, a new method based on feature fusion is proposed to detect the geological anomalies in London and Sheffield. It established a 3D raster data model oriented to attribute information modeling and visualization of urban underground space to obtain geological data. Based on this acquired data, authors adopted the feature-level fusion extraction method based on the multi-attribute geological abnormal body to extract, fuse, fill and surface the multi-attribute data of underground space geological data. Smooth processing can realize the detection of abnormal geological bodies in underground space. It has been proved that this method can be used in geological data display, feature extraction, feature fusion, and abnormal physical examination.
Las condiciones de ingeniería geológica incluyen la naturaleza de rocas y suelo, estructura geológica, formas de la tierra, condiciones hidrogeológicas y procesos geológicos adversos. Entre estas condiciones las fallas, fisuras, plegamientos, kársticos y los cambios de la litología afectan seriamente la seguridad y los costos de producción de túneles en montañas, túneles hidráulicos y otros proyectos. Por esta razón, este trabajo propone un nuevo método basado en la fusión de características para detectar las anomalías geológicas en Londres y Sheffield, en el Reino Unido. Este método parte de un modelo de datos de trama 3D para realizar un modelado de información y visualización del espacio urbano subterráneo con el fin de obtener información geológica. Con base en esta información adquirida, los autores adoptaron el método de extraccción de fusión de características con base en los multiatributos geológicos de un cuerpo anormal para extraer, fusionar, llenar y normalizar la información multiatributos del espacio urbano subterráneo. En el proceso de suavizado se pueden detectar los cuerpos anormales en el espacio subterráneo. Los resultados prueban que este método puede usarse en la presentación de información geológica, en las características de extracción, características de fusión, y en la examinación física de los cuerpos.
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